NZ629859B - Methods for treating cancer using tor kinase inhibitor combination therapy - Google Patents
Methods for treating cancer using tor kinase inhibitor combination therapyInfo
- Publication number
- NZ629859B NZ629859B NZ629859A NZ62985914A NZ629859B NZ 629859 B NZ629859 B NZ 629859B NZ 629859 A NZ629859 A NZ 629859A NZ 62985914 A NZ62985914 A NZ 62985914A NZ 629859 B NZ629859 B NZ 629859B
- Authority
- NZ
- New Zealand
- Prior art keywords
- cancer
- pyrazin
- dihydropyrazino
- tor kinase
- pyridinyl
- Prior art date
Links
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- 229960004919 procaine Drugs 0.000 description 1
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- 238000004393 prognosis Methods 0.000 description 1
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- 125000001042 pteridinyl group Chemical group N1=C(N=CC2=NC=CN=C12)* 0.000 description 1
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- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000004307 pyrazin-2-yl group Chemical group [H]C1=C([H])N=C(*)C([H])=N1 0.000 description 1
- KYQCOXFCLRTKLS-UHFFFAOYSA-N pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 125000003072 pyrazolidinyl group Chemical group 0.000 description 1
- 125000002755 pyrazolinyl group Chemical group 0.000 description 1
- INVTYAOGFAGBOE-UHFFFAOYSA-N pyridin-3-ylmethyl N-[[4-[(2-aminophenyl)carbamoyl]phenyl]methyl]carbamate Chemical compound NC1=CC=CC=C1NC(=O)C(C=C1)=CC=C1CNC(=O)OCC1=CC=CN=C1 INVTYAOGFAGBOE-UHFFFAOYSA-N 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
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- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229960001407 sodium bicarbonate Drugs 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229940001607 sodium bisulfite Drugs 0.000 description 1
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- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
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- IXMINYBUNCWGER-UHFFFAOYSA-M sodium;4-propoxycarbonylphenolate Chemical compound [Na+].CCCOC(=O)C1=CC=C([O-])C=C1 IXMINYBUNCWGER-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
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- 125000000565 sulfonamide group Chemical group 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
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- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000005888 tetrahydroindolyl group Chemical group 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 125000004632 tetrahydrothiopyranyl group Chemical group S1C(CCCC1)* 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000004305 thiazinyl group Chemical group S1NC(=CC=C1)* 0.000 description 1
- 125000001984 thiazolidinyl group Chemical group 0.000 description 1
- 125000002769 thiazolinyl group Chemical group 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M thiocyanate group Chemical group [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 125000004568 thiomorpholinyl group Chemical group 0.000 description 1
- 230000002992 thymic Effects 0.000 description 1
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- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2300/00—Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/16—Amides, e.g. hydroxamic acids
- A61K31/18—Sulfonamides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4406—Non condensed pyridines; Hydrogenated derivatives thereof only substituted in position 3, e.g. zimeldine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/02—Antineoplastic agents specific for leukemia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Abstract
Disclosed herein is the use of 1-ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-3-yl)pyridin-3-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one, a TOR kinase inhibitor, in combination with an effective amount of a histone deacetylase inhibitor for treating or preventing a cancer, wherein the cancer is a cancer of the head, neck, eye, mouth, throat, esophagus, bronchus, larynx, pharynx, chest, bone, lung, colon, rectum, stomach, prostate, urinary bladder, uterine, cervix, breast, ovaries, testicles or other reproductive organs, skin, thyroid, blood, lymph nodes, kidney, liver, pancreas, and brain or central nervous system, and wherein the histone deacetylase inhibitor may be selected from Belinostat, MS-275 and Romidepsin. r of the head, neck, eye, mouth, throat, esophagus, bronchus, larynx, pharynx, chest, bone, lung, colon, rectum, stomach, prostate, urinary bladder, uterine, cervix, breast, ovaries, testicles or other reproductive organs, skin, thyroid, blood, lymph nodes, kidney, liver, pancreas, and brain or central nervous system, and wherein the histone deacetylase inhibitor may be selected from Belinostat, MS-275 and Romidepsin.
Description
Patents Form No. 5
N.Z. No. 629859
NEW ZEALAND
Patents Act 1953
COMPLETE SPECIFICATION
METHODS FOR TREATING CANCER USING TOR KINASE TOR COMBINATION
THERAPY
We, Signal Pharmaceuticals, LLC a company of the United State of America of 10300 Campus
Point Drive, Suite 100, San Diego, CA 92121, UNITED STATES OF AMERICA
do hereby declare the invention, for which we pray that a patent may be granted to us, and the
method by which it is to be performed, to be ularly described in and by the following
statement:-
METHODS FOR TREATING CANCER USING TOR KINASE INHIBITOR
COMBINATION THERAPY
1. FIELD
Provided herein are methods for treating or preventing a cancer comprising
administering an effective amount of a TOR kinase inhibitor and an ive amount of a
second active agent to a patient having a cancer.
2. BACKGROUND
The connection between abnormal protein phosphorylation and the cause or
uence of diseases has been known for over 20 years. Accordingly, protein kinases
have become a very important group of drug targets. See Cohen, Nature, 1:309-315 (2002).
Various protein kinase inhibitors have been used clinically in the treatment of a wide variety
of diseases, such as cancer and chronic inflammatory es, including diabetes and stroke.
See Cohen, Eur. J. Biochem., 01-5010 (2001), Protein Kinase Inhibitors for the
Treatment of Disease: The Promise and the Problems, Handbook of Experimental
Pharmacology, Springer Berlin Heidelberg, 167 (2005).
The protein kinases are a large and diverse family of enzymes that catalyze
protein phosphorylation and play a al role in cellular signaling. Protein kinases may
exert positive or negative tory effects, depending upon their target protein. Protein
kinases are involved in specific signaling pathways which regulate cell functions such as, but
not limited to, metabolism, cell cycle ssion, cell adhesion, vascular function, apoptosis,
and angiogenesis. Malfunctions of cellular signaling have been associated with many
diseases, the most characterized of which include cancer and diabetes. The tion of
signal transduction by cytokines and the association of signal molecules with ncogenes
and tumor suppressor genes have been well documented. Similarly, the connection n
diabetes and related conditions, and deregulated levels of protein kinases, has been
demonstrated. See e.g., r et al. Pharmaceutical Research, 17(11):1345-1353 (2000).
Viral ions and the conditions related thereto have also been associated with the
regulation of n kinases. Park et al. Cell 101 (7): 777-787 (2000).
Because protein kinases te nearly every cellular process, including
metabolism, cell proliferation, cell differentiation, and cell survival, they are attractive s
for therapeutic intervention for various disease states. For example, cell-cycle control and
angiogenesis, in which protein kinases play a pivotal role are cellular processes associated
with numerous e conditions such as but not limited to cancer, inflammatory diseases,
al angiogenesis and diseases related thereto, atherosclerosis, macular degeneration,
diabetes, obesity, and pain.
Protein kinases have become attractive targets for the treatment of cancers.
Fabbro et al., Pharmacology & Therapeutics 93:79-98 (2002). It has been proposed that the
involvement of protein kinases in the pment of human malignancies may occur by: (1)
genomic rearrangements (e.g., BCR-ABL in chronic myelogenous leukemia), (2) ons
g to tutively active kinase activity, such as acute myelogenous leukemia and
gastrointestinal , (3) deregulation of kinase activity by activation of oncogenes or loss
of tumor suppressor functions, such as in cancers with oncogenic RAS, (4) deregulation of
kinase ty by over-expression, as in the case of EGFR and (5) ectopic expression of
growth factors that can bute to the development and maintenance of the neoplastic
phenotype. Fabbro et al., Pharmacology & Therapeutics 93:79-98 (2002).
The elucidation of the intricacy of protein kinase pathways and the complexity
of the onship and interaction among and between the various protein kinases and kinase
pathways highlights the importance of developing pharmaceutical agents capable of acting as
n kinase modulators, regulators or inhibitors that have beneficial activity on multiple
kinases or le kinase pathways. Accordingly, there remains a need for new kinase
modulators.
The protein named mTOR (mammalian target of rapamycin), which is also
called FRAP, RAFTI or RAPT1), is a 2549-amino acid r protein kinase, that has been
shown to be one of the most critical proteins in the mTOR/PI3K/Akt pathway that tes
cell growth and proliferation. Georgakis and Younes Expert Rev. Anticancer Ther. 6(1):131-
140 (2006). mTOR exists within two complexes, mTORC1 and mTORC2. While mTORC1
is sensitive to rapamycin analogs (such as temsirolimus or imus), mTORC2 is y
rapamycin-insensitive. Notably, rapamycin is not a TOR kinase inhibitor. Several mTOR
inhibitors have been or are being evaluated in al trials for the treatment of cancer.
Temsirolimus was approved for use in renal cell carcinoma in 2007 and sirolimus was
approved in 1999 for the prophylaxis of renal transplant rejection. Everolimus was approved
in 2009 for renal cell carcinoma patients that have progressed on vascular endothelial growth
factor receptor inhibitors, in 2010 for subependymal giant cell astrocytoma (SEGA)
associated with tuberous sclerosis (TS) in patients who require therapy but are not candidates
for surgical resection, and in 2011 for progressive neuroendocrine tumors of pancreatic origin
(PNET) in patients with unresectable, locally advanced or metastatic disease. There remains
a need for TOR kinase inhibitors that inhibit both mTORC1 and mTORC2 complexes.
DNA-dependent n kinase (DNA-PK) is a serine/threonine kinase
involved in the repair of DNA double strand breaks (DSBs). DSBs are considered to be the
most lethal DNA lesion and occur endogenously or in se to ionizing radiation and
herapeutics (for review see Jackson, S. P., Bartek, J. The DNA-damage response in
human biology and disease. Nature Rev 2009; 461:1071-1078). If left unrepaired, DSBs will
lead to cell cycle arrest and/or cell death (Hoeijmakers, J. H. J. Genome maintenance
isms for preventing cancer. Nature 2001; 411: 366-374; van Gent, D. C.,
Hoeijmakers, J. H., Kanaar, R. Chromosomal stability and the DNA double-stranded break
tion. Nat Rev Genet 2001; 2: 196-206). In response to the insult, cells have developed
complex mechanisms to repair such breaks and these mechanisms may form the basis of
therapeutic resistance. There are two major pathways used to repair DSBs, non-homologous
end joining (NHEJ) and homologous recombination (HR). NHEJ brings broken ends of the
DNA er and rejoins them t reference to a second template s, S. J.,
DeWeese, T. L., Jeggo P. A., Parker, A.R. The life and death of DNA-PK. Oncogene 2005;
24: 949-961). In contrast, HR is dependent on the proximity of the sister tid which
provides a template to mediate faithful repair (Takata, M., , M. S., Sonoda, E.,
Morrison, C., Hashimoto, M., Utsumi, H., et al. Homologous ination and nonhomologous
end-joining pathways of DNA double-strand break repair have overlapping roles
in the maintenance of chromosomal integrity in vertebrate cells. EMBO J 1998; 17: 5497-
5508; Haber, J. E. Partners and pathways repairing a double-strand break. Trends Genet
2000; 16: 259-264). NHEJ repairs the majority of DSBs. In NHEJ, DSBs are recognized by
the Ku protein that binds and then activates the catalytic subunit of DNA-PK. This leads to
recruitment and activation of end-processing enzymes, polymerases and DNA ligase IV
(Collis, S. J., DeWeese, T. L., Jeggo P. A., Parker, A.R. The life and death of .
Oncogene 2005; 24: 949-961). NHEJ is primarily controlled by DNA-PK and thus inhibition
of DNA-PK is an attractive approach to modulating the repair response to exogenously
induced DSBs. Cells deficient in components of the NHEJ pathway are defective in DSB
repair and highly sensitive to ionizing radiation and omerase poisons (reviewed by
Smith, G. C. M., Jackson, S.P. The DNA-dependent protein . Genes Dev 1999; 13:
916-934; Jeggo, P.A., Caldecott, K., Pidsley, S., Banks, G.R. Sensitivity of Chinese hamster
ovary mutants defective in DNA double strand break repair to topoisomerase II inhibitors.
Cancer Res 1989; 49: 7057-7063). A DNA-PK inhibitor has been reported to have the same
effect of sensitizing cancer cells to therapeutically induced DSBs (Smith, G. C. M., Jackson,
S.P. The DNA-dependent protein kinase. Genes Dev 1999; 13: 916-934).
Romidepsin has been shown to have anticancer activities. The drug is
approved in the U.S. for treatment of cutaneous T-cell lymphoma (CTCL) and peripheral T-
cell lymphoma , and is tly being tested, for example, for use in treating patients
with other hematological malignancies (e.g., multiple myeloma, etc.) and solid tumors (e.g.,
prostate cancer, pancreatic cancer, etc.). It is thought to act by selectively inhibiting
deacetylases (e.g., histone deacetylase, tubulin deacetylase), promising new s for
pment of a new class of anti-cancer therapies (Bertino & Otterson, Expert Opin
Investig Drugs 20(8):11151-1158, 2011). One mode of action involves the inhibition of one
or more classes of histone ylases (HDAC).
on or identification of any nce in Section 2 of this application is not
to be construed as an admission that the reference is prior art to the present application.
3. SUMMARY
Provided herein are methods for treating or preventing a , comprising
administering an effective amount of a TOR kinase inhibitor and an effective amount of a
second active agent to a patient having a cancer, wherein the second active agent is a histone
deacetylase (HDAC) inhibitor.
[0011A] In a particular embodiment, provided herein is the use of 1-ethyl(2-methyl-
6-(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a
pharmaceutically acceptable salt, clathrate, solvate, isomer, tautomer or isotopologue
thereof and a histone deacetylase inhibitor in the manufacture of a ment for the
treatment of cancer. In a related embodiment, provided herein is the use of 1-ethyl(2-
methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one
or a pharmaceutically acceptable salt, clathrate, e, stereoisomer, tautomer or
ologue thereof in the manufacture of a medicament for the treatment of cancer, wherein
the treatment comprises administration of 1-ethyl(2-methyl(1H-1,2,4-triazol
yl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically
acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue f in
combination with a histone deacetylase inhibitor. In a related embodiment, provided herein is
the use of a histone deacetylase inhibitor in the manufacture of a ment for the
treatment of cancer, n the treatment comprises administration of the histone
deacetylase inhibitor in combination with 1-ethyl(2-methyl(1H-1,2,4-triazol
(followed by 5A)
yl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically
acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof.
In certain embodiments, ed herein are methods for achieving an
International Workshop on Chronic Lymphocytic Leukemia (IWCLL) response definition of
complete response (CR), complete se with lete marrow recovery (CRi), partial
response (PR), or stable disease (SD) in a patient having chronic cytic ia,
sing administering an effective amount of a TOR kinase inhibitor in combination with
a second active agent to said patient. In certain embodiments, provided herein are methods
for achieving a National Cancer Institute-sponsored Working Group on Chronic Lymphocytic
Leukemia (NCI-WG CLL) response definition of complete response (CR), te response
with incomplete marrow recovery (CRi), partial se (PR) or stable disease (SD) in a
patient having chronic lymphocytic leukemia, comprising stering an effective amount
of a TOR kinase inhibitor in combination with a second active agent to said patient. In certain
embodiments, provided herein are methods for achieving an International Workshop Criteria
(IWC) for non-Hodgkin’s lymphoma of complete response, partial response or stable disease
in a patient having non-Hodgkin’s lymphoma, comprising administering an effective amount
of a TOR kinase inhibitor in combination with a second active agent to said patient.
5A (followed by 6)
In certain embodiments, provided herein are methods for achieving an International Uniform
Response Criteria (IURC) for multiple myeloma of complete response, partial response or
stable disease in a patient having multiple myeloma, comprising administering an effective
amount of a TOR kinase inhibitor in combination with a second active agent to said patient.
In n embodiments, provided herein are methods for achieving a Response Evaluation
Criteria in Solid Tumors (for example, RECIST 1.1) of te response, partial response or
stable disease in a patient having a solid tumor, comprising administering an effective amount
of a TOR kinase inhibitor in combination with a second active agent to said patient. In
certain embodiments, provided herein are methods for achieving a Prostate Cancer Working
Group 2 (PCWG2) Criteria of te response, partial response or stable disease in a
patient having prostate cancer, comprising administering an effective amount of a TOR
kinase inhibitor in ation with a second active agent to said patient. In n
embodiments, ed herein are s for ing a Responses Assessment for Neuro-
Oncology (RANO) Working Group for glioblastoma multiforme of complete response,
l response or stable e in a patient having glioblastoma multiforme, comprising
administering an effective amount of a TOR kinase inhibitor in combination with a second
active agent to said patient.
In n embodiments, provided herein are methods for increasing survival
without cancer progression of a patient having a , comprising administering an
effective amount of a TOR kinase inhibitor in combination with an effective amount of a
second active agent.
In certain embodiments, the TOR kinase inhibitor is a compound as described
herein.
The present embodiments can be understood more fully by reference to the
detailed description and examples, which are intended to ify non-limiting
embodiments.
4. DETAILED DESCRIPTION
4.1 DEFINITIONS
An “alkyl” group is a saturated, partially saturated, or unsaturated straight
chain or branched non-cyclic hydrocarbon having from 1 to 10 carbon atoms, typically from
1 to 8 s or, in some embodiments, from 1 to 6, 1 to 4, or 2 to 6 or carbon atoms.
Representative alkyl groups include -methyl, -ethyl, -n-propyl, -n-butyl, -n-pentyl and
-n-hexyl; while saturated branched alkyls include -isopropyl, -sec-butyl, -isobutyl, -tert-butyl,
-isopentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 2,3-dimethylbutyl and the like.
Examples of unsaturared alkyl groups include, but are not d to, vinyl, allyl,
-CH=CH(CH3), -CH=C(CH3)2, -C(CH3)=CH2, -C(CH3)=CH(CH3), -C(CH2CH3)=CH2,
-C≡CH, -C≡C(CH3), H2CH3), -CH2C≡CH, -CH2C≡C(CH3) and -CH2C≡C(CH2CH3),
among others. An alkyl group can be substituted or unsubstituted. In certain ments,
when the alkyl groups described herein are said to be “substituted,” they may be substituted
with any substituent or tuents as those found in the exemplary nds and
embodiments disclosed herein, as well as halogen (chloro, iodo, bromo, or fluoro); hydroxyl;
alkoxy; alkoxyalkyl; amino; alkylamino; y; nitro; cyano; thiol; thioether; imine; imide;
amidine; guanidine; enamine; aminocarbonyl; acylamino; phosphonato; phosphine;
thiocarbonyl; sulfonyl; sulfone; sulfonamide; ketone; aldehyde; ester; urea; urethane; oxime;
hydroxyl amine; alkoxyamine; xyamine; N-oxide; hydrazine; hydrazide; hydrazone;
azide; isocyanate; isothiocyanate; cyanate; thiocyanate; , or O(alkyl)aminocarbonyl.
An “alkenyl” group is a straight chain or branched non-cyclic hydrocarbon
having from 2 to 10 carbon atoms, lly from 2 to 8 carbon atoms, and including at least
one carbon-carbon double bond. Representative straight chain and branched (C2-C8)alkenyls
include -vinyl, -allyl, butenyl, butenyl, -isobutylenyl, pentenyl, pentenyl,
methylbutenyl, methylbutenyl, -2,3-dimethylbutenyl, hexenyl, hexenyl,
hexenyl, heptenyl, heptenyl, heptenyl, octenyl, octenyl, octenyl and the like.
The double bond of an alkenyl group can be unconjugated or conjugated to another
unsaturated group. An alkenyl group can be unsubstituted or substituted.
A “cycloalkyl” group is a saturated, or partially saturated cyclic alkyl group of
from 3 to 10 carbon atoms having a single cyclic ring or multiple condensed or bridged rings
which can be optionally substituted with from 1 to 3 alkyl groups. In some embodiments, the
cycloalkyl group has 3 to 8 ring members, s in other embodiments the number of ring
carbon atoms ranges from 3 to 5, 3 to 6, or 3 to 7. Such cycloalkyl groups include, by way of
example, single ring structures such as ropyl, cyclobutyl, cyclopentyl, cyclohexyl,
cycloheptyl, cyclooctyl, ylcyclopropyl, 2-methylcyclopentyl, 2-methylcyclooctyl, and
the like, or multiple or bridged ring structures such as adamantyl and the like. Examples of
unsaturared cycloalkyl groups include cyclohexenyl, cyclopentenyl, cyclohexadienyl,
butadienyl, pentadienyl, hexadienyl, among others. A cycloalkyl group can be substituted or
tituted. Such substituted cycloalkyl groups include, by way of example,
cyclohexanone and the like.
An “aryl” group is an aromatic carbocyclic group of from 6 to 14 carbon
atoms having a single ring (e.g., phenyl) or multiple sed rings (e.g., yl or
anthryl). In some embodiments, aryl groups contain 6-14 carbons, and in others from 6 to 12
or even 6 to 10 carbon atoms in the ring portions of the groups. Particular aryls include
phenyl, biphenyl, naphthyl and the like. An aryl group can be substituted or unsubstituted.
The phrase “aryl groups” also includes groups containing fused rings, such as fused aromaticaliphatic
ring systems (e.g., indanyl, tetrahydronaphthyl, and the like).
A “heteroaryl” group is an aryl ring system having one to four heteroatoms as
ring atoms in a heteroaromatic ring system, wherein the remainder of the atoms are carbon
atoms. In some embodiments, heteroaryl groups contain 5 to 6 ring atoms, and in others from
6 to 9 or even 6 to 10 atoms in the ring portions of the groups. Suitable heteroatoms include
oxygen, sulfur and nitrogen. In certain embodiments, the heteroaryl ring system is
monocyclic or bicyclic. Non-limiting examples include but are not limited to, groups such as
pyrrolyl, pyrazolyl, olyl, triazolyl, tetrazolyl, oxazolyl, isoxazolyl, lyl, pyrolyl,
pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, thiophenyl, benzothiophenyl, furanyl,
benzofuranyl (for example, isobenzofuran-1,3-diimine), indolyl, olyl (for example,
pyrrolopyridyl or 1H-pyrrolo[2,3-b]pyridyl), indazolyl, idazolyl (for example, 1H-
benzo[d]imidazolyl), imidazopyridyl (for example, zimidazolyl, 3H-imidazo[4,5-
dyl or 1H-imidazo[4,5-b]pyridyl), pyrazolopyridyl, triazolopyridyl, benzotriazolyl,
benzoxazolyl, hiazolyl, hiadiazolyl, isoxazolopyridyl, thianaphthalenyl, purinyl,
xanthinyl, adeninyl, guaninyl, quinolinyl, isoquinolinyl, tetrahydroquinolinyl, quinoxalinyl,
and quinazolinyl groups.
A “heterocyclyl” is an aromatic (also referred to as heteroaryl) or nonaromatic
cycloalkyl in which one to four of the ring carbon atoms are independently replaced
with a heteroatom from the group consisting of O, S and N. In some embodiments,
heterocyclyl groups e 3 to10 ring members, whereas other such groups have 3 to 5, 3 to
6, or 3 to 8 ring members. Heterocyclyls can also be bonded to other groups at any ring atom
(i.e., at any carbon atom or heteroatom of the heterocyclic ring). A cyclylalkyl group
can be substituted or unsubstituted. Heterocyclyl groups encompass unsaturated, partially
saturated and saturated ring systems, such as, for example, olyl, imidazolinyl and
imidazolidinyl groups. The phrase heterocyclyl includes fused ring species, including those
comprising fused aromatic and non-aromatic groups, such as, for example, benzotriazolyl,
2,3-dihydrobenzo[l,4]dioxinyl, and benzo[l,3]dioxolyl. The phrase also includes bridged
polycyclic ring systems ning a heteroatom such as, but not limited to, quinuclidyl.
Representative examples of a cyclyl group include, but are not limited to, aziridinyl,
azetidinyl, pyrrolidyl, imidazolidinyl, pyrazolidinyl, thiazolidinyl, tetrahydrothiophenyl,
tetrahydrofuranyl, dioxolyl, furanyl, thiophenyl, pyrrolyl, pyrrolinyl, imidazolyl,
imidazolinyl, pyrazolyl, pyrazolinyl, triazolyl, tetrazolyl, yl, isoxazolyl, thiazolyl,
thiazolinyl, isothiazolyl, thiadiazolyl, oxadiazolyl, piperidyl, piperazinyl, morpholinyl,
thiomorpholinyl, tetrahydropyranyl (for example, tetrahydro-2H-pyranyl),
tetrahydrothiopyranyl, oxathiane, dioxyl, dithianyl, pyranyl, pyridyl, pyrimidinyl,
pyridazinyl, pyrazinyl, triazinyl, dihydropyridyl, odithiinyl, odithionyl,
homopiperazinyl, quinuclidyl, indolyl, indolinyl, isoindolyl, olyl (pyrrolopyridyl),
indazolyl, indolizinyl, benzotriazolyl, benzimidazolyl, uranyl, benzothiophenyl,
benzthiazolyl, adiazolyl, benzoxazinyl, benzodithiinyl, benzoxathiinyl,
benzothiazinyl, benzoxazolyl, benzothiazolyl, benzothiadiazolyl, benzo[l,3]dioxolyl,
lopyridyl, imidazopyridyl (azabenzimidazolyl; for example, 1H-imidazo[4,5-b]pyridyl,
or 1H-imidazo[4,5-b]pyridin-2(3H)-onyl), triazolopyridyl, isoxazolopyridyl, purinyl,
nyl, adeninyl, guaninyl, quinolinyl, isoquinolinyl, izinyl, quinoxalinyl,
quinazolinyl, cinnolinyl, phthalazinyl, naphthyridinyl, pteridinyl, thianaphthalenyl,
dihydrobenzothiazinyl, dihydrobenzofuranyl, dihydroindolyl, dihydrobenzodioxinyl,
tetrahydroindolyl, tetrahydroindazolyl, tetrahydrobenzimidazolyl, tetrahydrobenzotriazolyl,
ydropyrrolopyridyl, tetrahydropyrazolopyridyl, ydroimidazopyridyl,
tetrahydrotriazolopyridyl, and tetrahydroquinolinyl groups. Representative tuted
heterocyclyl groups may be mono- substituted or substituted more than once, such as, but not
limited to, pyridyl or morpholinyl groups, which are 2-, 3-, 4-, 5-, or 6-substituted, or
tituted with various substituents such as those listed below.
A “cycloalkylalkyl” group is a radical of the formula: -alkyl-cycloalkyl,
wherein alkyl and cycloalkyl are defined above. tuted cycloalkylalkyl groups may be
substituted at the alkyl, the cycloalkyl, or both the alkyl and the cycloalkyl portions of the
group. Representative cycloalkylalkyl groups include but are not limited to
cyclopentylmethyl, cyclopentylethyl, cyclohexylmethyl, cyclohexylethyl, and
cyclohexylpropyl. Representative substituted cycloalkylalkyl groups may be monosubstituted
or substituted more than once.
An “aralkyl” group is a radical of the formula: -alkyl-aryl, wherein alkyl and
aryl are defined above. Substituted aralkyl groups may be substituted at the alkyl, the aryl, or
both the alkyl and the aryl portions of the group. entative aralkyl groups include but
are not limited to benzyl and phenethyl groups and fused (cycloalkylaryl)alkyl groups such as
4-ethyl-indanyl.
A “heterocyclylalkyl” group is a radical of the formula: -heterocyclyl,
wherein alkyl and heterocyclyl are defined above. Substituted heterocyclylalkyl groups may
be substituted at the alkyl, the heterocyclyl, or both the alkyl and the cyclyl portions of
the group. Representative heterocylylalkyl groups include but are not limited to 4-ethylmorpholinyl
, 4-propylmorpholinyl, 2-yl methyl, furanyl , eyl
methyl, (tetrahydro-2H-pyranyl)methyl, (tetrahydro-2H-pyranyl)ethyl, tetrahydrofuran-
2-yl methyl, tetrahydrofuranyl ethyl, and indolyl propyl.
A “halogen” is chloro, iodo, bromo, or fluoro.
A “hydroxyalkyl” group is an alkyl group as described above substituted with
one or more hydroxy groups.
An y” group is -O-(alkyl), n alkyl is defined above.
An “alkoxyalkyl” group is -(alkyl)-O-(alkyl), wherein alkyl is defined above.
An “amine” group is a radical of the formula: -NH2.
A “hydroxyl amine” group is a radical of the formula: -N(R#)OH or -NHOH,
wherein R# is a substituted or unsubstituted alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl,
heterocyclyl or heterocyclylalkyl group as defined .
An “alkoxyamine” group is a l of the formula: -N(R#)O-alkyl or
-NHO-alkyl, wherein R# is as defined above.
An “aralkoxyamine” group is a l of the formula: -N(R#)O-aryl or
-NHO-aryl, wherein R# is as defined above.
An “alkylamine” group is a radical of the formula: -NH-alkyl or -N(alkyl)2,
wherein each alkyl is independently as defined above.
An “aminocarbonyl” group is a radical of the formula: -C(=O)N(R#)2,
-C(=O)NH(R#) or -C(=O)NH2, wherein each R# is as defined above.
An “acylamino” group is a radical of the formula: -NHC(=O)(R#) or
-N(alkyl)C(=O)(R#), wherein each alkyl and R# are independently as d above.
An “O(alkyl)aminocarbonyl” group is a radical of the formula:
-O(alkyl)C(=O)N(R#)2, -O(alkyl)C(=O)NH(R#) or -O(alkyl)C(=O)NH2, n each R# is
independently as defined above.
An “N-oxide” group is a radical of the formula: -N+-O-.
A “carboxy” group is a radical of the formula: -C(=O)OH.
A “ketone” group is a radical of the formula: -C(=O)(R#), wherein R# is as
defined above.
An “aldehyde” group is a radical of the formula: -CH(=O).
An “ester” group is a radical of the formula: -C(=O)O(R#) or -OC(=O)(R#),
n R# is as defined above.
A “urea” group is a radical of the formula: yl)C(=O)N(R#)2,
-N(alkyl)C(=O)NH(R#), -N(alkyl)C(=O)NH2, -NHC(=O)N(R#)2, -NHC(=O)NH(R#), or
-NHC(=O)NH2#, wherein each alkyl and R# are independently as defined above.
An “imine” group is a radical of the formula: #)2 or -C(R#)=N(R#),
wherein each R# is independently as defined above.
An “imide” group is a radical of the formula: N(R#)C(=O)(R#) or
-N((C=O)(R#))2, wherein each R# is independently as defined above.
A “urethane” group is a radical of the formula: -OC(=O)N(R#)2,
-OC(=O)NH(R#), -N(R#)C(=O)O(R#), or -NHC(=O)O(R#), wherein each R# is independently
as defined above.
An “amidine” group is a radical of the formula: -C(=N(R#))N(R#)2,
-C(=N(R#))NH(R#), -C(=N(R#))NH2, -C(=NH)N(R#)2, -C(=NH)NH(R#), -C(=NH)NH2,
-N=C(R#)N(R#)2, -N=C(R#)NH(R#), -N=C(R#)NH2, -N(R#)C(R#)=N(R#), -NHC(R#)=N(R#),
-N(R#)C(R#)=NH, or #)=NH, wherein each R# is independently as defined above.
A dine” group is a radical of the formula: C(=N(R#))N(R#)2,
N(R#))N(R#)2, -N(R#)C(=NH)N(R#)2, -N(R#)C(=N(R#))NH(R#),
-N(R#)C(=N(R#))NH2, -NHC(=NH)N(R#)2, -NHC(=N(R#))NH(R#), -NHC(=N(R#))NH2,
-NHC(=NH)NH(R#), -NHC(=NH)NH2, -N=C(N(R#)2)2, -N=C(NH(R#))2, or -N=C(NH2)2,
wherein each R# is independently as defined above.
A “enamine” group is a radical of the formula: -N(R#)C(R#)=C(R#)2,
-NHC(R#)=C(R#)2, -C(N(R#)2)=C(R#)2, -C(NH(R#))=C(R#)2, -C(NH2)=C(R#)2,
-C(R#)=C(R#)(N(R#)2), =C(R#)(NH(R#)) or -C(R#)=C(R#)(NH2), wherein each R# is
independently as defined above.
An “oxime” group is a l of the formula: -C(=NO(R#))(R#),
-C(=NOH)(R#), -CH(=NO(R#)), or -CH(=NOH), wherein each R# is independently as defined
above.
A “hydrazide” group is a radical of the formula: -C(=O)N(R#)N(R#)2,
-C(=O)NHN(R#)2, N(R#)NH(R#), -C(=O)N(R#)NH2, -C(=O)NHNH(R#)2, or
-C(=O)NHNH2, wherein each R# is independently as defined above.
A “hydrazine” group is a radical of the formula: -N(R#)N(R#)2, -NHN(R#)2,
-N(R#)NH(R#), -N(R#)NH2, -NHNH(R#)2, or -NHNH2, wherein each R# is independently as
defined above.
A “hydrazone” group is a radical of the formula: -C(=N-N(R#)2)(R#)2,
-C(=N-NH(R#))(R#)2, -C(=N-NH2)(R#)2, -N(R#)(N=C(R#)2), or -NH(N=C(R#)2), wherein each
R# is independently as defined above.
An “azide” group is a radical of the formula: -N3.
An “isocyanate” group is a radical of the a: -N=C=O.
An “isothiocyanate” group is a radical of the formula: -N=C=S.
A “cyanate” group is a radical of the formula: -OCN.
A “thiocyanate” group is a radical of the formula: -SCN.
A “thioether” group is a radical of the formula; , wherein R# is as
defined above.
A “thiocarbonyl” group is a radical of the formula: -C(=S)(R#), wherein R# is
as defined above.
A “sulfinyl” group is a radical of the formula: (R#), wherein R# is as
defined above.
A “sulfone” group is a radical of the formula: -S(=O)2(R#), wherein R# is as
defined above.
A nylamino” group is a radical of the formula: -NHSO2(R#) or
-N(alkyl)SO2(R#), n each alkyl and R# are defined above.
A “sulfonamide” group is a radical of the formula: -S(=O)2N(R#)2, or
-S(=O)2NH(R#), or -S(=O)2NH2, wherein each R# is independently as defined above.
A “phosphonate” group is a radical of the formula: -P(=O)(O(R#))2,
-P(=O)(OH)2, -OP(=O)(O(R#))(R#), or )(OH)(R#), wherein each R# is ndently
as defined above.
A “phosphine” group is a radical of the formula: -P(R#)2, wherein each R# is
ndently as defined above.
When the groups described , with the exception of alkyl group are said
to be ituted,” they may be substituted with any appropriate substituent or substituents.
Illustrative examples of substituents are those found in the exemplary compounds and
embodiments disclosed herein, as well as halogen (chloro, iodo, bromo, or fluoro); alkyl;
hydroxyl; alkoxy; alkoxyalkyl; amino; alkylamino; carboxy; nitro; cyano; thiol; thioether;
imine; imide; amidine; guanidine; e; arbonyl; acylamino; phosphonate;
phosphine; thiocarbonyl; sulfinyl; e; sulfonamide; ketone; aldehyde; ester; urea;
ne; oxime; hydroxyl amine; alkoxyamine; aralkoxyamine; N-oxide; hydrazine;
hydrazide; hydrazone; azide; isocyanate; isothiocyanate; cyanate; anate; oxygen (═O);
B(OH)2, O(alkyl)aminocarbonyl; cycloalkyl, which may be monocyclic or fused or non-fused
polycyclic (e.g., ropyl, utyl, cyclopentyl, or cyclohexyl), or a heterocyclyl,
which may be clic or fused or sed polycyclic (e.g., pyrrolidyl, piperidyl,
piperazinyl, morpholinyl, or thiazinyl); monocyclic or fused or non-fused polycyclic aryl or
heteroaryl (e.g., phenyl, naphthyl, pyrrolyl, l, furanyl, thiophenyl, imidazolyl, oxazolyl,
isoxazolyl, thiazolyl, triazolyl, tetrazolyl, pyrazolyl, pyridinyl, quinolinyl, isoquinolinyl,
acridinyl, pyrazinyl, pyridazinyl, pyrimidinyl, benzimidazolyl, benzothiophenyl, or
benzofuranyl) aryloxy; aralkyloxy; cyclyloxy; and heterocyclyl alkoxy.
As used herein, the term “pharmaceutically acceptable salt(s)” refers to a salt
prepared from a pharmaceutically acceptable non-toxic acid or base including an inorganic
acid and base and an organic acid and base. Suitable pharmaceutically acceptable base
on salts include, but are not limited to metallic salts made from aluminum, calcium,
lithium, magnesium, potassium, sodium and zinc or organic salts made from lysine, N,N’-
dibenzylethylenediamine, chloroprocaine, choline, diethanolamine, nediamine,
meglumine (N-methylglucamine) and procaine. Suitable non-toxic acids e, but are not
limited to, inorganic and organic acids such as acetic, alginic, anthranilic, benzenesulfonic or
te, benzoic, camphorsulfonic, citric, ethenesulfonic, formic, c, furoic,
galacturonic, gluconic, glucuronic, ic, glycolic, hydrobromic, hloric, isethionic,
lactic, maleic, malic, mandelic, methanesulfonic, mucic, nitric, pamoic, pantothenic,
phenylacetic, phosphoric, propionic, salicylic, stearic, succinic, sulfanilic, sulfuric, tartaric
acid, and enesulfonic acid. Specific non-toxic acids include hydrochloric,
hydrobromic, phosphoric, sulfuric, and methanesulfonic acids. Examples of specific salts
thus include hydrochloride and mesylate salts. Others are well-known in the art, see for
example, Remington’s Pharmaceutical Sciences, 18th eds., Mack Publishing, Easton PA
(1990) or ton: The Science and Practice of Pharmacy, 19th eds., Mack Publishing,
Easton PA (1995).
As used herein and unless otherwise indicated, the term “clathrate” means a
TOR kinase inhibitor, or a salt thereof, in the form of a crystal lattice that contains spaces
(e.g., channels) that have a guest molecule (e.g., a solvent or water) trapped within or a
crystal lattice wherein a TOR kinase inhibitor is a guest molecule.
As used herein and unless otherwise indicated, the term “solvate” means a
TOR kinase inhibitor, or a salt thereof, that further includes a iometric or nonstoichiometric
amount of a solvent bound by non-covalent intermolecular forces. In one
embodiment, the solvate is a hydrate.
As used herein and unless otherwise indicated, the term “hydrate” means a
TOR kinase inhibitor, or a salt thereof, that further includes a stoichiometric or nonstoichiometric
amount of water bound by non-covalent intermolecular forces.
As used herein and unless otherwise ted, the term “prodrug” means a
TOR kinase inhibitor derivative that can hydrolyze, e, or otherwise react under
biological conditions (in vitro or in vivo) to provide an active compound, particularly a TOR
kinase inhibitor. Examples of prodrugs include, but are not limited to, derivatives and
metabolites of a TOR kinase inhibitor that e biohydrolyzable es such as
biohydrolyzable amides, biohydrolyzable esters, biohydrolyzable carbamates,
biohydrolyzable carbonates, biohydrolyzable ureides, and biohydrolyzable phosphate
analogues. In certain embodiments, prodrugs of compounds with carboxyl onal groups
are the lower alkyl esters of the carboxylic acid. The carboxylate esters are conveniently
formed by esterifying any of the carboxylic acid moieties present on the molecule. gs
can lly be prepared using well-known methods, such as those described by Burger’s
Medicinal Chemistry and Drug Discovery 6th ed. (Donald J. Abraham ed., 2001, Wiley) and
Design and ation of Prodrugs (H. Bundgaard ed., 1985, d Academic
Publishers Gmfh).
As used herein and unless otherwise indicated, the term “stereoisomer” or
“stereomerically pure” means one stereoisomer of a TOR kinase inhibitor that is substantially
free of other isomers of that compound. For example, a stereomerically pure
compound having one chiral center will be substantially free of the te enantiomer of
the compound. A stereomerically pure compound having two chiral centers will be
substantially free of other diastereomers of the compound. A typical stereomerically pure
compound comprises greater than about 80% by weight of one stereoisomer of the compound
and less than about 20% by weight of other stereoisomers of the compound, greater than
about 90% by weight of one stereoisomer of the compound and less than about 10% by
weight of the other stereoisomers of the compound, greater than about 95% by weight of one
stereoisomer of the compound and less than about 5% by weight of the other stereoisomers of
the compound, or greater than about 97% by weight of one stereoisomer of the compound
and less than about 3% by weight of the other stereoisomers of the compound. The TOR
kinase inhibitors can have chiral s and can occur as racemates, individual enantiomers
or diastereomers, and mixtures thereof. All such isomeric forms are included within the
embodiments sed herein, including mixtures thereof. The use of stereomerically pure
forms of such TOR kinase tors, as well as the use of mixtures of those forms are
encompassed by the embodiments disclosed herein. For example, mixtures comprising equal
or unequal amounts of the enantiomers of a particular TOR kinase inhibitor may be used in
methods and compositions sed herein. These isomers may be asymmetrically
synthesized or resolved using standard techniques such as chiral columns or chiral resolving
agents. See, e.g., s, J., et al., Enantiomers, Racemates and Resolutions
(Wiley-Interscience, New York, 1981); Wilen, S. H., et al., Tetrahedron 33:2725 (1977);
Eliel, E. L., Stereochemistry of Carbon Compounds (McGraw-Hill, NY, 1962); and Wilen, S.
H., Tables of Resolving Agents and Optical Resolutions p. 268 (E.L. Eliel, Ed., Univ. of
Notre Dame Press, Notre Dame, IN, 1972).
It should also be noted the TOR kinase inhibitors can e E and Z isomers,
or a mixture thereof, and cis and trans isomers or a mixture thereof. In n embodiments,
the TOR kinase inhibitors are isolated as either the cis or trans isomer. In other
embodiments, the TOR kinase inhibitors are a mixture of the cis and trans isomers.
“Tautomers” refers to isomeric forms of a compound that are in equilibrium
with each other. The concentrations of the isomeric forms will depend on the environment
the nd is found in and may be different depending upon, for example, whether the
compound is a solid or is in an organic or aqueous on. For example, in aqueous
solution, pyrazoles may exhibit the following isomeric forms, which are referred to as
tautomers of each other:
N N
HN N
As readily understood by one skilled in the art, a wide y of functional
groups and other structures may exhibit tautomerism and all tautomers of the TOR kinase
inhibitors are within the scope of the present ion.
It should also be noted the TOR kinase inhibitors can contain unnatural
proportions of atomic isotopes at one or more of the atoms. For example, the nds may
be radiolabeled with radioactive isotopes, such as for example tritium (3H), iodine-125 (125I),
sulfur-35 (35S), or carbon-14 (14C), or may be isotopically enriched, such as with deuterium
(2H), carbon-13 (13C), or nitrogen-15 (15N). As used herein, an “isotopologue” is an
isotopically enriched nd. The term “isotopically enriched” refers to an atom having
an isotopic composition other than the natural isotopic composition of that atom.
“Isotopically enriched” may also refer to a compound containing at least one atom having an
isotopic composition other than the l isotopic composition of that atom. The term
“isotopic composition” refers to the amount of each isotope present for a given atom.
Radiolabeled and isotopically enriched compounds are useful as therapeutic agents, e.g.,
cancer and inflammation therapeutic agents, research reagents, e.g., g assay reagents,
and diagnostic agents, e.g., in vivo imaging agents. All isotopic variations of the TOR kinase
inhibitors as described herein, whether radioactive or not, are intended to be encompassed
within the scope of the ments provided herein. In some embodiments, there are
provided isotopologues of the TOR kinase inhibitors, for example, the isotopologues are
ium, carbon-13, or nitrogen-15 enriched TOR kinase inhibitors.
It should be noted that if there is a discrepancy between a depicted structure
and a name for that structure, the depicted ure is to be accorded more weight.
“Treating” as used herein, means an alleviation, in whole or in part, of a
cancer or a symptom associated with a cancer, or slowing, or halting of further progression or
worsening of those symptoms.
“Preventing” as used herein, means the prevention of the onset, recurrence or
spread, in whole or in part, of a cancer, or a symptom thereof.
The term “effective amount” in connection with an TOR kinase inhibitor or a
second active agent means an amount alone or in ation e of alleviating, in
whole or in part, a m associated with a cancer, or slowing or halting further
progression or worsening of those symptoms, or treating or ting a cancer in a subject
having or at risk for having a cancer. The effective amount of the TOR kinase tor or a
second active agent, for example in a pharmaceutical composition, may be at a level that will
exercise the desired effect; for e, about 0.005 mg/kg of a subject’s body weight to
about 100 mg/kg of a patient’s body weight in unit dosage for both oral and parenteral
administration.
The term “second active agent(s)” means a histone deacetylase (HDAC)
inhibitor, including those described herein in Section 4.4.
The term “cancer” includes, but is not d to, blood borne tumors and solid
tumors. Blood borne tumors include lymphomas, leukemias and myelomas. Lymphomas
and leukemias are malignancies arising among white blood cells. The term “cancer” also
refers to any of various ant neoplasms characterized by the proliferation of cells that
can invade surrounding tissue and metastasize to new body sites. Both benign and malignant
tumors are classified according to the type of tissue in which they are found. For example,
fibromas are neoplasms of fibrous connective tissue, and melanomas are abnormal growths of
pigment (melanin) cells. Malignant tumors originating from lial tissue, e.g., in skin,
bronchi, and stomach, are termed carcinomas. Malignancies of epithelial glandular tissue
such as are found in the breast, prostate, and colon, are known as adenocarcinomas.
Malignant growths of connective , e.g., muscle, cartilage, lymph tissue, and bone, are
called sarcomas. Through the process of metastasis, tumor cell migration to other areas of
the body establishes neoplasms in areas away from the site of initial appearance. Bone tissues
are one of the most d sites of metastases of malignant tumors, ing in about 30%
of all cancer cases. Among malignant tumors, cancers of the lung, breast, prostate or the like
are particularly known to be likely to metastasize to bone.
In the t of neoplasm, cancer, tumor growth or tumor cell growth,
inhibition may be assessed by delayed appearance of primary or secondary tumors, slowed
development of y or secondary tumors, decreased occurrence of primary or secondary
, slowed or decreased severity of secondary s of disease, arrested tumor growth
and sion of tumors, among others. In the extreme, complete inhibition, is referred to
herein as prevention or chemoprevention. In this context, the term “prevention” includes
either preventing the onset of clinically evident neoplasia ther or ting the onset
of a preclinically evident stage of neoplasia in individuals at risk. Also intended to be
encompassed by this definition is the prevention of transformation into malignant cells or to
arrest or reverse the progression of premalignant cells to malignant cells. This includes
prophylactic treatment of those at risk of developing the neoplasia.
The term “refractory B-cell non-Hodgkin’s lymphoma” as used herein is
defined as B-cell non-Hodgkin’s lymphoma which was treated with an anti-CD-20 antibodycontaining
regimen, for example rituximab-containing regimen, (i) without achieving at least
a partial se to y or (ii) which progressed within 6 months of treatment.
The term “relapsed B-cell dgkin’s lymphoma” as used herein is
defined as B-cell non-Hodgkin’s lymphoma which progressed after ≥ 6 months posttreatment
with an anti-CD-20 antibody-containing regimen, for example rituximabcontaining
regimen, after achieving partial se or complete response to therapy.
A person of ordinary skill will appreciate that diseases characterized as “B-cell
lymphoma” exist as a continuum of diseases or disorders. While the continuum of B-cell
lymphomas is sometimes discussed in terms of “aggressive” B-cell lymphomas or “indolent”
B-cell lymphomas, a person of ordinary skill will appreciate that a B-cell lymphoma
characterized as indolent may progress and become an aggressive B-cell lymphoma.
sely, an aggressive form of B-cell ma may be aded to an indolent or
stable form of B-cell lymphoma. Reference is made to indolent and sive B-cell
lymphomas as generally tood by a person skilled in the art with the recognition that
such characterizations are inherently dynamic and depend on the particular circumstances of
the individual.
As used herein, and unless otherwise specified, the term “in combination
with” includes the administration of two or more therapeutic agents simultaneously,
concurrently, or sequentially within no specific time limits unless otherwise indicated. In one
embodiment, a TOR kinase inhibitor is administered in combination with a second active
agent. In one embodiment, the agents are present in the cell or in the subject’s body at the
same time or exert their ical or therapeutic effect at the same time. In one embodiment,
the therapeutic agents are in the same composition or unit dosage form. In other
embodiments, the therapeutic agents are in separate compositions or unit dosage forms. In
certain embodiments, a first agent can be administered prior to (e.g., 5 minutes, 15 s,
minutes, 45 s, 1 hour, 2 hours, 4 hours, 6 hours, 12 hours, 24 hours, 48 hours, 72
hours, 96 hours, 1 week, 2 weeks, 3 weeks, 4 weeks, 5 weeks, 6 weeks, 8 weeks, or 12 weeks
before), essentially concomitantly with, or subsequent to (e.g., 5 minutes, 15 minutes, 30
minutes, 45 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 12 hours, 24 hours, 48 hours, 72
hours, 96 hours, 1 week, 2 weeks, 3 weeks, 4 weeks, 5 weeks, 6 weeks, 8 weeks, or 12 weeks
after) the administration of a second therapeutic agent, or any combination thereof. For
example, in one embodiment, the first agent can be administered prior to the second
therapeutic agent, for e.g. 1 week. In another, the first agent can be administered prior to (for
e 1 day prior) and then concomitant with the second therapeutic agent.
The terms “patient” and “subject” as used herein e an animal, including,
but not limited to, an animal such as a cow, monkey, horse, sheep, pig, n, turkey, quail,
cat, dog, mouse, rat, rabbit or guinea pig, in one embodiment a mammal, in another
embodiment a human. In one embodiment, a “patient” or “subject” is a human having a
cancer.
In the context of a cancer, inhibition may be assessed by tion of disease
progression, inhibition of tumor growth, reduction of primary tumor, relief of tumor-related
symptoms, inhibition of tumor secreted factors ding tumor secreted hormones, such as
those that contribute to carcinoid syndrome), delayed appearance of primary or secondary
tumors, slowed development of primary or secondary tumors, decreased occurrence of
primary or secondary , slowed or decreased severity of secondary effects of disease,
arrested tumor growth and regression of , increased Time To Progression (TTP),
increased Progression Free Survival (PFS), increased Overall Survival (OS), among others.
OS as used herein means the time from randomization until death from any cause, and is
measured in the intent-to-treat population. TTP as used herein means the time from
randomization until objective tumor progression; TTP does not include deaths. As used
herein, PFS means the time from randomization until objective tumor progression or death.
In one embodiment, PFS rates will be ed using the Kaplan-Meier estimates. In the
extreme, complete inhibition, is referred to herein as prevention or chemoprevention. In this
context, the term “prevention” includes either preventing the onset of clinically evident
cancer altogether or preventing the onset of a preclinically evident stage of a cancer. Also
intended to be encompassed by this definition is the prevention of ormation into
ant cells or to arrest or reverse the progression of premalignant cells to malignant cells.
This includes prophylactic treatment of those at risk of developing a .
In n embodiments, the treatment of lymphoma may be ed by the
International Workshop Criteria (IWC) for non-Hodgkin lymphoma (NHL) (see Cheson BD,
Pfistner B, Juweid, ME, et. al. Revised Response ia for Malignant Lymphoma. J. Clin.
Oncol: 2007: (25) 579-586), using the response and nt definitions shown below:
Response Definition Nodal Masses Spleen, liver Bone Marrow
CR Disappearan (a) id or PET Not Infiltrate cleared
ce of all positive prior to therapy; palpable, on repeat biopsy; if
evidence mass of any size permitted nodules indeterminate by
of disease if PET negative disappeared morphology,
(b) Variably FDG-avid or histochemi
PET negative; regression stry
to normal size on CT should be negative
Response tion Nodal Masses Spleen, liver Bone Marrow
PR Regression ≥50% decrease in SPD of ≥50% Irrelevant if
of up to 6 t dominant decrease in positive prior to
measurable masses; no increase in size SPD of therapy; cell type
disease and of other nodes nodules (for should be specified
no new sites (a) id or PET single
ve prior to therapy; nodule in
one or more PET positive greatest
at previously involved site transverse
(b) Variably FDG-avid or diameter);
PET ve; regression no increase
on CT in size of
liver or
spleen
SD Failure to (a) FDG-avid or PET
attain positive prior to therapy;
CR/PR or PET positive at prior sites
PD of e and no new
sites on CT or PET
(b) Variably FDG-avid or
PET negative; no change
in size of previous lesions
on CT
PD or Any new Appearance of a new ≥50% New or recurrent
relapsed lesion or lesion(s) ≥1.5 cm in any increase involvement
disease increase by axis, ≥50% increase in from nadir in
≥ 50% of SPD of more than one the SPD of
previously node, any previous
involved or ≥50% increase in lesions
sites from longest diameter of a
nadir previously identifed node
≥1 cm in short axis
Lesions PET positive if
FDG-avid lymphoma or
PET positive prior to
therapy
Abbreviations: CR, complete remission; FDG, [18F]fluorodeoxyglucose; PET,
positron emission tomography; CT, ed tomography; PR, l remission; SPD, sum
of the product of the diameters; SD, stable disease; PD, progressive disease.
End point Patients Definition Measured
from
Primary
Overall survival All Death as a result of any cause Entry onto
study
Progression-free All Disease progression or death as a result of Entry onto
survival any cause study
Secondary
free survival All Failure of treatment or death as result of any Entry onto
cause study
Time to All Time to progression or death as a result of Entry onto
progression lymphoma study
Disease-free In CR Time to relapse or death as a result of Documentation
survival lymphoma or acute toxicity of treatment of response
Response duration In CR Time to e or progression Documentation
or PR of response
Lymphoma- All Time to death as a result of lymphoma Entry onto
specific survival study
Time to next All Time to new treatment End of primary
treatment treatment
Abbreviations: CR: complete remission; PR: l remission.
In one embodiment, the end point for ma is evidence of clinical
benefit. Clinical benefit may reflect improvement in quality of life, or reduction in patient
symptoms, transfusion requirements, frequent infections, or other parameters. Time to
reappearance or progression of lymphoma-related symptoms can also be used in this end
point.
In certain embodiments, the treatment of CLL may be assessed by the
ational Workshop Guidelines for CLL (see Hallek M, Cheson BD, Catovsky D, et al.
ines for the sis and treatment of chronic lymphocytic leukemia: a report from
the International op on c Lymphocytic Leukemia updating the National Cancer
Institute-Working Group 1996 guidelines. Blood, 2008; (111) 12: 5446-5456) using the
response and endpoint definitions shown n and in particular:
Parameter CR PR PD
Group A
Lymphadenopathy† None > 1.5 cm Decrease ≥ 50% Increase ≥ 50%
Hepatomegaly None Decrease ≥ 50% Increase ≥ 50%
Splenomegaly None Decrease ≥ 50% Increase ≥ 50%
Parameter CR PR PD
Decrease ≥ 50% Increase ≥ 50%
Blood lymphocytes < 4000/μL
from baseline over baseline
Normocellular, < 30%
50% reduction in
lymphocytes, no B-lymphoid
Marrow‡ marrow infiltrate, or
nodules. Hypocellular
B-lymphoid nodules
marrow defines CRi (5.1.6).
Group B
Decrease of ≥
> 100 000/μL or 50% from
Platelet count > 100 000/μL baseline
secondary to
increase ≥ 50% over CLL
baseline
Decrease of > 2
> 11 g/dL or g/dL from
Hemoglobin > 11.0 g/dL increase ≥ 50% over baseline
baseline secondary to
> 1500/μL or > 50%
Neutrophils‡ > 1500/μL improvement over
Group A criteria define the tumor load; Group B criteria define the function of
the poietic system (or marrow). CR (complete remission): all of the criteria have to be
met, and patients have to lack disease-related constitutional symptoms; PR (partial
remission): at least two of the criteria of group A plus one of the ia of group B have to
be met; SD is absence of progressive disease (PD) and failure to achieve at least a PR; PD: at
least one of the above criteria of group A or group B has to be met. Sum of the products of
multiple lymph nodes (as evaluated by CT scans in clinical trials, or by physical examination
in general practice). These parameters are vant for some response categories.
In certain embodiments, the treatment of multiple myeloma may be assessed
by the International Uniform Response Criteria for Multiple Myeloma (IURC) (see Durie
BGM, seau J-L, Miguel JS, et al. International uniform response criteria for multiple
a. Leukemia, 2006; (10) 10: 1-7), using the response and endpoint definitions shown
below:
Response Subcategory se Criteriaa
sCR CR as defined below plus
Normal FLC ratio and
Absence of clonal cells in bone marrowb by
histochemistry or
immunofluorescencec
Response Subcategory Response Criteriaa
CR Negative immunofixation on the serum and urine and
Disappearance of any soft tissue plasmacytomas and
<5% plasma cells in bone marrowb
VGPR Serum and urine M-protein detectable by
immunofixation but not on ophoresis or 90% or
greater reduction in serum M-protein plus urine
M-protein level <100mg per 24 h
PR ≥50% reduction of serum M-protein and reduction in
24-h urinary M-protein by≥90% or to <200mg per 24 h
If the serum and urine M-protein are unmeasurable,d a
≥50% decrease in the difference between involved and
uninvolved FLC levels is ed in place of the M-
protein criteria
If serum and urine M-protein are unmeasurable, and
serum free light assay is also unmeasurable, ≥50%
reduction in plasma cells is required in place of
M-protein, provided baseline bone marrow plasma cell
percentage was ≥30%
In addition to the above listed criteria, if t at
baseline, a ≥50% reduction in the size of soft tissue
plasmacytomas is also required
SD (not recommended for use as Not g criteria for CR, VGPR, PR or ssive
an indicator of response; stability disease
of e is best described by
providing the time to progression
estimates)
Abbreviations: CR, complete response; FLC, free light chain; PR, partial
response; SD, stable disease; sCR, stringent te se; VGPR, very good partial
response; aAll response categories require two consecutive assessments made at anytime
before the institution of any new therapy; all categories also require no known evidence of
progressive or new bone lesions if radiographic studies were performed. Radiographic studies
are not required to satisfy these response requirements; bConfirmation with repeat bone
marrow biopsy not needed; cPresence/absence of clonal cells is based upon the κ/λ ratio. An
abnormal κ/λ ratio by immunohistochemistry and/or immunofluorescence es a
minimum of 100 plasma cells for analysis. An abnormal ratio ting presence of an
abnormal clone is κ/λ of >4:1 or <1:2.dMeasurable disease defined by at least one of the
ing measurements: Bone marrow plasma cells ≥30%; Serum M-protein ≥1 g/dl
(≥10 gm/l)[10 g/l]; Urine ein ≥200 mg/24 h; Serum FLC assay: Involved FLC level
≥10 mg/dl (≥100 mg/l); provided serum FLC ratio is abnormal.
In certain embodiments, the treatment of a cancer may be assessed by
Response Evaluation Criteria in Solid Tumors (RECIST 1.1) (see Thereasse P., et al. New
Guidelines to Evaluate the Response to Treatment in Solid Tumors. J. of the National Cancer
Institute; 2000; (92) 205-216 and auer E.A., Therasse P., Bogaerts J., et al. New
response evaluation criteria in solid s: Revised RECIST guideline (version 1.1).
European J. Cancer; 2009; (45) 228–247). Overall responses for all possible combinations of
tumor ses in target and rget lesions with our without the ance of new
lesions are as follows:
Target lesions Non-target lesions New lesions l response
CR CR No CR
CR Incomplete No PR
response/SD
PR Non-PD No PR
SD Non-PD No SD
PD Any Yes or no PD
Any PD Yes or no PD
Any Any Yes PD
CR = complete response; PR = partial response; SD = stable disease; and PD = progressive
With respect to the evaluation of target s, complete response (CR) is the
disappearance of all target lesions, partial response (PR) is at least a 30% decrease in the sum
of the longest diameter of target lesions, taking as reference the baseline sum longest
diameter, progressive disease (PD) is at least a 20% increase in the sum of the t
diameter of target lesions, taking as reference the smallest sum longest diameter recorded
since the treatment started or the appearance of one or more new lesions and stable disease
(SD) is neither sufficient shrinkage to qualify for partial response nor sufficient increase to
qualify for ssive disease, taking as reference the smallest sum t diameter since
the treatment started.
With respect to the evaluation of non-target lesions, complete response (CR) is
the disappearance of all non-target lesions and normalization of tumor marker level;
incomplete response/stable e (SD) is the persistence of one or more non-target lesion(s)
and/or the maintenance of tumor marker level above the normal limits, and progressive
disease (PD) is the appearance of one or more new lesions and/or unequivocal progression of
existing non-target lesions.
The procedures, conventions, and definitions described below provide
guidance for implementing the recommendations from the Response Assessment for Neuro-
Oncology (RANO) Working Group regarding response criteria for high-grade gliomas
(Wen P., Macdonald, DR., Reardon, DA., et al. Updated response assessment criteria for
highgrade gliomas: Response assessment in neuro-oncology g group. J Clin Oncol
2010; 28: 1963-1972). Primary modifications to the RANO criteria for Criteria for Time
Point Responses (TPR) can include the addition of ional conventions for defining
changes in glucocorticoid dose, and the removal of subjects’ clinical deterioration component
to focus on objective radiologic assessments. The baseline MRI scan is d as the
assessment performed at the end of the post-surgery rest period, prior to re-initiating
compound treatment. The baseline MRI is used as the reference for assessing complete
response (CR) and l response (PR). Whereas, the smallest SPD (sum of the products of
perpendicular diameters) obtained either at baseline or at subsequent assessments will be
ated the nadir assessment and ed as the reference for determining progression.
For the 5 days preceding any protocol-defined MRI scan, subjects receive either no
glucocorticoids or are on a stable dose of glucocorticoids. A stable dose is defined as the
same daily dose for the 5 consecutive days preceding the MRI scan. If the prescribed
glucocorticoid dose is changed in the 5 days before the baseline scan, a new baseline scan is
required with glucocorticoid use g the criteria described above. The following
definitions will be used.
able Lesions: able lesions are contrast-enhancing lesions that
can be measured bidimensionally. A measurement is made of the l enhancing tumor
diameter (also known as the longest diameter, LD). The st perpendicular diameter is
measured on the same image. The cross hairs of bidimensional ements should cross
and the product of these ers will be calculated.
Minimal Diameter: T1-weighted image in which the sections are 5 mm with 1
mm skip. The minimal LD of a measurable lesion is set as 5 mm by 5 mm. Larger diameters
may be required for inclusion and/or designation as target lesions. After baseline, target
lesions that become smaller than the minimum requirement for measurement or become no
longer amenable to bidimensional measurement will be recorded at the default value of 5 mm
for each diameter below 5 mm. Lesions that disappear will be recorded as 0 mm by 0 mm.
Multicentric Lesions: s that are ered entric (as opposed to
continuous) are lesions where there is normal intervening brain tissue between the two (or
more) lesions. For multicentric lesions that are discrete foci of enhancement, the approach is
to separately measure each enhancing lesion that meets the inclusion criteria. If there is no
normal brain tissue between two (or more) lesions, they will be considered the same lesion.
Nonmeasurable Lesions: All lesions that do not meet the criteria for
measurable disease as defined above will be considered non-measurable lesions, as well as all
nonenhancing and other truly nonmeasurable s. Nonmeasurable lesions include foci of
ement that are less than the specified smallest diameter (i.e., less than 5 mm by 5 mm),
nonenhancing lesions (e.g., as seen on T1-weighted post-contrast, T2-weighted, or fluidattenuated
inversion ry (FLAIR) images), hemorrhagic or predominantly cystic or
necrotic lesions, and leptomeningeal tumor. Hemorrhagic lesions often have intrinsic T1-
weighted hyperintensity that could be erpreted as enhancing tumor, and for this reason,
the pre-contrast T1-weighted image may be examined to exclude baseline or interval subacute
hemorrhage.
At baseline, lesions will be classified as follows: Target s: Up to
measurable lesions can be selected as target s with each measuring at least 10 mm by
mm, representative of the subject’s disease; Non-target lesions: All other lesions, including
all nonmeasurable lesions (including mass effects and T2/FLAIR findings) and any
measurable lesion not selected as a target lesion. At baseline, target lesions are to be
measured as described in the definition for measurable lesions and the SPD of all target
lesions is to be determined. The presence of all other lesions is to be nted. At all
post-treatment evaluations, the baseline classification of s as target and non-target
lesions will be ined and lesions will be documented and described in a consistent
fashion over time (e.g., recorded in the same order on source documents and eCRFs). All
measurable and nonmeasurable lesions must be assessed using the same technique as at
baseline (e.g., subjects should be imaged on the same MRI scanner or at least with the same
magnet th) for the duration of the study to reduce difficulties in interpreting changes.
At each evaluation, target lesions will be measured and the SPD calculated. Non-target
lesions will be assessed qualitatively and new lesions, if any, will be documented separately.
At each evaluation, a time point response will be determined for target lesions, non-target
lesions, and new lesion. Tumor progression can be established even if only a subset of
s is assessed. However, unless ssion is observed, objective status (stable disease,
PR or CR) can only be determined when all lesions are ed.
] mation assessments for overall time point responses of CR and PR will
be performed at the next scheduled ment, but confirmation may not occur if scans have
an interval of < 28 days. Best response, incorporating confirmation requirements, will be
derived from the series of time points.
In certain ments, ent of a cancer may be ed by the
tion of phosphorylation of S6RP, 4E-BP1, AKT and/or DNA-PK in ating blood
and/or tumor cells, and/or skin biopsies or tumor biopsies/aspirates, before, during and/or
after treatment with a TOR kinase inhibitor. For example, the inhibition of phosphorylation
of S6RP, 4E-BP1, AKT and/or DNA-PK is assessed in B-cells, T-cells and/or monocytes. In
other embodiments, treatment of a cancer may be assessed by the inhibition of
DNA-dependent protein kinase (DNA-PK) activity in skin samples and/or tumor
biopsies/aspirates, such as by assessment of the amount of pDNA-PK S2056 as a biomarker
for DNA damage pathways, before, during, and/or after TOR kinase inhibitor ent. In
one embodiment, the skin sample is irradiated by UV light.
In the extreme, complete inhibition, is referred to herein as prevention or
chemoprevention. In this context, the term “prevention” includes either preventing the onset
of ally evident cancer altogether or preventing the onset of a nically evident stage
of a cancer. Also intended to be encompassed by this definition is the prevention of
transformation into malignant cells or to arrest or reverse the progression of premalignant
cells to malignant cells. This includes prophylactic treatment of those at risk of developing a
cancer.
4.2 TOR KINASE INHIBITORS
The nds provided herein are generally referred to as “TOR kinase
inhibitor(s).” In one , the TOR kinase inhibitors do not include rapamycin or
rapamycin analogs (rapalogs).
In one embodiment, the TOR kinase inhibitors include compounds having the
following formula (I):
R1 N N O
N N R3
and pharmaceutically acceptable salts, clathrates, solvates, stereoisomers,
tautomers, metabolites, ologues and prodrugs thereof, wherein:
R1 is substituted or unsubstituted C13 alkyl, substituted or unsubstituted aryl,
substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclyl, or
substituted or unsubstituted heterocyclylalkyl;
R2 is H, substituted or unsubstituted CH; alkyl, substituted or unsubstituted
cycloalkyl, substituted or unsubstituted heterocyclyl, substituted or unsubstituted
heterocyclylalkyl, substituted or unsubstituted l, or substituted or unsubstituted
cycloalkylalkyl;
R3 is H, or a substituted or unsubstituted CH; alkyl,
wherein in certain embodiments, the TOR kinase inhibitors do not include 7-
(4-hydroxyphenyl)- 1-(3-methoxybenzyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one,
depicted below:
Ho p
N N O
[I I T
N N
In some embodiments ofcompounds of formula (I), R1 is substituted or
unsubstituted aryl or substituted or unsubstituted heteroaryl. For example, R1 is phenyl,
pyridyl, pyrimidyl, benzimidazolyl, lH-pyrrolo[2,3-b]pyridyl, indazolyl, indolyl,
1H-imidazo[4,5-b]pyridyl, 1H-imidazo[4,5-b]pyridin—2(3H)-onyl, 3H—imidazo[4,5-b]pyridyl,
or pyrazolyl, each optionally substituted. In some embodiments, R1 is phenyl substituted
with one or more substituents independently ed from the group consisting of substituted
or unsubstituted CH; alkyl (for example, methyl), tuted or unsubstituted heterocyclyl
(for example, a substituted or unsubstituted triazolyl or pyrazolyl), aminocarbonyl, halogen
(for example, fluorine), cyano, hydroxyalkyl and hydroxy. In other ments, R1 is
pyridyl substituted with one or more tuents independently ed from the group
ting of substituted or unsubstituted C1_s alkyl (for e, methyl), tuted or
unsubstituted heterocyclyl (for example, a substituted or unsubstituted triazolyl), halogen,
aminocarbonyl and -NR2, wherein
, cyano, hydroxyalkyl (for example, hydroxypropyl), -OR,
each R is independently H, or a substituted or unsubstituted C14 alkyl. In some
embodiments, R1 is lH—pyrrolo[2,3-b]pyridyl or benzimidazolyl, ally substituted with
one or more substituents independently selected from the group consisting of substituted or
unsubstituted CH; alkyl, and -NR2, wherein R is independently H, or a substituted or
tituted C14 alkyl.
In some ments, R1 is
\ \ 3
W \ o
| , N/\_\ | ( '
— CR n0R2)
/\”\J. _
/\/ , \N’N |/\;\, QNRZ u/\/ (CR2)nOR
“Hm ‘33» Rm ‘51»
, , R'In , ”m,
R N/\ 0 RN
I‘ll/\—<\le qu—q I‘d/j \
“m R'm m “a R".
, , //
“in, ,
RN RN’\\N N, ’N~
N \ | /—R'm N \fiNR
—R'm {£41}?; m
“4/Ln —Rm “(my ’
' “‘4
O "MC/u ,or
“at,
wherein R is at each occurrence independently H, or a tuted or
unsubstituted C14 alkyl (for example, methyl); R’ is at each occurrence independently a
substituted or unsubstituted C14 alkyl (for example, methyl), halogen (for example, fluoro),
cyano, -OR, or -NR2; m is 0-3; and n is 0-3. It will be tood by those skilled in the art
that any of the substituents R’ may be attached to any suitable atom of any of the rings in the
filsed ring systems.
In some embodiments ofcompounds of fonnula a), R1 is
N‘\ N‘\
(CR2)nOR NR
12,0 / \N‘ EU/N
(CR2)nOR
13,\\' , \\Jig/L‘NNR
n R is at each occurrence independently H, or a substituted or
unsubstituted C14 alkyl; R’ is at each occurrence independently a tuted or unsubstituted
C14 alkyl, halogen, cyano, -OR or -NR2; m is 0-3; and n is 0-3.
In some embodiments ofcompounds of formula (I), R2 is H, substituted or
unsubstituted C14; alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted
heterocyclyl, tuted or unsubstituted C14 alkyl-heterocyclyl, substituted or unsubstituted
C14 alkyl-aryl, or substituted or unsubstituted C14 alkyl-cycloalkyl. For example, R2 is H,
, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl,
cyclopentyl, cyclohexyl, ydrofuranyl, tetrahydropyranyl, (C14 alkyl)—phenyl, (C14
alkyl)-cyclopropyl, (C14 alkyl)-cyclobutyl, (C14 alkyl)-cyclopentyl, (C14 alkyl)-cyclohexyl,
(C14 alkyl)—pylrolidyl, (C14 alkyl)—piperidyl, (C14 alkyl)—piperazinyl, (C14 alkyl)-
morpholinyl, (C14 alkyl)-tetrahydrofuranyl, or (C14 alkyl)—tetrahydropyranyl, each optionally
substituted.
In other embodiments, R2 is H, C14 alkyl, (CMalkyl)(OR),
/ ,w ”a /
, {1%};
’ ’ ’
R R
/ 361m” /
’ WV?) 2) 33““th
\j >R'
wherein R is at each occurrence ndently H, or a substituted or
unsubstituted C14 alkyl (for example, methyl); R’ is at each occurrence independently H,
-OR, cyano, or a tuted or unsubstituted CH alkyl (for example, methyl); and p is 0-3.
In other ments of nds of formula (I), R2 is H, C14 alkyl,
(C14alkyl)(OR),
\f >R'
wherein R is at each occurrence independently H, or a substituted or
unsubstituted C1_2 alkyl; R’ is at each occurrence independently H, —OR, cyano, or a
substituted or tituted C1_2 alkyl; and p is 0-1.
In other embodiments of compounds of formula (I), R3 is H.
In some such embodiments described herein, R1 is substituted or unsubstituted
aryl, or substituted or unsubstituted heteroaryl. For example, R1 is phenyl, pyridyl,
pyrimidyl, benzimidazolyl, 1H-pyrrolo[2,3-b]pyridyl, indazolyl, indolyl, lH—imidazo[4,5-
b]pyridine, pyridyl, lH-imidazo[4,5-b]pyridin-2(3H)-onyl, 3H-imidazo[4,5-b]pyn'dyl, or
pyrazolyl, each optionally substituted. In some embodiments, R1 is phenyl substituted with
one or more substituents independently selected from the group consisting of substituted or
unsubstituted CH; alkyl, substituted or tituted cyclyl, aminocarbonyl, halogen,
cyano, hydroxyalkyl and y. In others, R1 is pyridyl tuted with one or more
substituents independently selected from the group consisting of C13 alkyl, substituted or
unsubstituted heterocyclyl, halogen, aminocarbonyl, cyano, hydroxyalkyl, -0R, and -NR2,
wherein each R is independently H, or a substituted or unsubstituted C14 alkyl. In still
others, R1 is lH-pyrrolo[2,3-b]pyridyl or benzimidazolyl, optionally substituted with one or
more substituents independently ed from the group consisting of substituted or
unsubstituted C1_g alkyl, and -NR2, wherein R is independently H, or a substituted or
unsubstituted C14 alkyl.
In certain embodiments, the compounds of formula (I) have an R1 group set
forth herein and an R2 group set forth herein.
In some embodiments ofcompounds of formula (I), the compound inhibits
TOR . In other embodiments of compounds of a (I), the compound inhibits
DNA-PK. In certain embodiments of compounds of formula (I), the compound inhibits both
TOR kinase and .
In some embodiments of compounds of formula (I), the compound at a
tration of 10 μM inhibits TOR kinase, DNA-PK, PI3K, or a ation thereof by at
least about 50%. Compounds of formula (I) may be shown to be inhibitors of the kinases
above in any suitable assay system.
Representative TOR kinase inhibitors of formula (I) include compounds from
Table A.
Table A.
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)((trans
methoxycyclohexyl)methyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)(cismethoxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
pyrrolo[2,3-b]pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)((cismethoxycyclohexyl)methyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-ethyl(1H-pyrrolo[3,2-b]pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)((cismethoxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-benzo[d]imidazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-pyrrolo[2,3-b]pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)((transmethoxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)((transhydroxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1H-1,2,4-triazolyl)pyridinyl)(cishydroxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(cishydroxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)(tetrahydro-2H-pyranyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-
zin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)ethyl-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-
one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)((cishydroxycyclohexyl)methyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(tetrahydro-2H-pyranyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-indolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)((trans
hydroxycyclohexyl)methyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)((cishydroxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)(transhydroxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)(transmethoxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(1H-1,2,4-triazolyl)pyridinyl)isopropyl-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(transmethoxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(transhydroxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(2-methoxyethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
luoromethyl(1H-1,2,4-triazolyl)phenyl)isopropyl-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
1-ethyl(5-fluoromethyl(1H-1,2,4-triazolyl)phenyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(2-hydroxypyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
ropyl(4-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
-(8-isopropyloxo-5,6,7,8-tetrahydropyrazino[2,3-b]pyrazinyl)methylpicolinamide;
7-(1H-indazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(2-aminopyrimidinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(2-aminopyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(6-(methylamino)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-hydroxypyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
zin-2(1H)-one;
7-(4-(1H-pyrazolyl)phenyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(1H-indazolyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-indazolyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(pyrimidinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(6-methoxypyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
1-(2-methoxyethyl)(1H-pyrrolo[2,3-b]pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
1-ethyl(1H-pyrrolo[2,3-b]pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
l(1H-indazolyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(6-aminopyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
1-methyl(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
2-(2-hydroxypropanyl)(8-(transmethoxycyclohexyl)oxo-5,6,7,8-
ydropyrazino[2,3-b]pyrazinyl)pyridine 1-oxide;
4-methyl(7-oxo((tetrahydro-2H-pyranyl)methyl)-5,6,7,8-tetrahydropyrazino[2,3-
b]pyrazinyl)picolinamide;
-(8-((cismethoxycyclohexyl)methyl)oxo-5,6,7,8-tetrahydropyrazino[2,3-b]pyrazin
yl)methylpicolinamide;
7-(1H-pyrazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
1-(transmethoxycyclohexyl)(4-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
3-((7-(2-methyl(4H-1,2,4-triazolyl)pyridinyl)oxo-3,4-dihydropyrazino[2,3-
b]pyrazin-1(2H)-yl)methyl)benzonitrile;
ansmethoxycyclohexyl)methyl)(4-methyl(1H-1,2,4-triazolyl)pyridinyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
3-(7-oxo(2-(tetrahydro-2H-pyranyl)ethyl)-5,6,7,8-tetrahydropyrazino[2,3-b]pyrazin
yl)benzamide;
-(8-((transmethoxycyclohexyl)methyl)oxo-5,6,7,8-tetrahydropyrazino[2,3-b]pyrazin-
2-yl)methylpicolinamide;
3-((7-(6-(2-hydroxypropanyl)pyridinyl)oxo-3,4-dihydropyrazino[2,3-b]pyrazin-
1(2H)-yl)methyl)benzonitrile;
7-(6-(2-hydroxypropanyl)pyridinyl)((1R,3R)methoxycyclopentyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)((1S,3R)methoxycyclopentyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)((1S,3S)methoxycyclopentyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
2-hydroxypropanyl)pyridinyl)((1R,3S)methoxycyclopentyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-indazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(2-methyl(4H-1,2,4-triazolyl)pyridinyl)(2-morpholinoethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(transhydroxycyclohexyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
hydroxycyclohexyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(2-morpholinoethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
1-isopropyl(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(1H-imidazo[4,5-b]pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
opyrazino[2,3-b]pyrazin-2(1H)-one;
1-((cismethoxycyclohexyl)methyl)(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(transhydroxycyclohexyl)(6-(2-hydroxypropanyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(cishydroxycyclohexyl)(6-(2-hydroxypropanyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
4-(7-oxo(2-(tetrahydro-2H-pyranyl)ethyl)-5,6,7,8-tetrahydropyrazino[2,3-b]pyrazin
yl)benzamide;
indazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(1H-pyrrolo[2,3-b]pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-methyl(4H-1,2,4-triazolyl)pyridinyl)(tetrahydro-2H-pyranyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-((1S,3R)methoxycyclopentyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
,3R)methoxycyclopentyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-((1R,3S)methoxycyclopentyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-((1S,3S)methoxycyclopentyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(1H-indolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
1-ethyl(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(1H-indolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
7-(4-(2-hydroxypropanyl)phenyl)(transmethoxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(tetrahydro-2H-pyranyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-((transmethoxycyclohexyl)methyl)(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)((cismethoxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(2-methoxyethyl)(4-methyl(methylamino)-1H-benzo[d]imidazolyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(7-methyloxo-2,3-dihydro-1H-benzo[d]imidazolyl)((tetrahydro-2H-pyran
yl)methyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-methyl(4H-1,2,4-triazolyl)phenyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(2-methoxyethyl)(4-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-benzyl(2-methyl(4H-1,2,4-triazolyl)phenyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
one;
7-(3-fluoro(4H-1,2,4-triazolyl)phenyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(3-fluoro(4H-1,2,4-triazolyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
opyrazino[2,3-b]pyrazin-2(1H)-one;
7-(3-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(2-methoxyethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(transmethoxycyclohexyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(transmethoxycyclohexyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
luoromethyl(4H-1,2,4-triazolyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(3-fluoromethyl(1H-1,2,4-triazolyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(2-methoxyethyl)(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)((transmethoxycyclohexyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(cyclopentylmethyl)(6-(2-hydroxypropanyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(4-(2-hydroxypropanyl)phenyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one;
(S)(6-(1-hydroxyethyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
(R)(6-(1-hydroxyethyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-methyl(4H-1,2,4-triazolyl)pyridinyl)((tetrahydro-2H-pyranyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(4-(2-hydroxypropanyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(4-(trifluoromethyl)benzyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(3-(trifluoromethyl)benzyl)-3,4-
opyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(3-methoxypropyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(4-methyl(1H-1,2,4-triazolyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-
hydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(2-methoxyethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)((tetrahydro-2H-pyranyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(4-methyl(methylamino)-1H-benzo[d]imidazolyl)((tetrahydro-2H-pyran
hyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-aminomethyl-1H-benzo[d]imidazolyl)((tetrahydro-2H-pyranyl)methyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-methyl(4H-1,2,4-triazolyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
(R)(6-(2-hydroxypropanyl)pyridinyl)methyl(2-(tetrahydro-2H-pyran
yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
(S)(6-(2-hydroxypropanyl)pyridinyl)methyl(2-(tetrahydro-2H-pyran
yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)-3,3-dimethyl(2-(tetrahydro-2H-pyran
yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-aminomethyl-1H-benzo[d]imidazolyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(6-(2-hydroxypropanyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
7-(2-methyl(1H-1,2,4-triazolyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1H-1,2,4-triazolyl)phenyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one;
1-(1-hydroxypropanyl)(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one; and
1-(2-hydroxyethyl)(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one,
and pharmaceutically acceptable salts, clathrates, solvates, stereoisomers, tautomers,
metabolites, isotopologues and prodrugs thereof.
4.3 METHODS FOR MAKING TOR KINASE INHIBITORS
The TOR kinase inhibitors can be obtained via standard, well-known synthetic
methodology, see e.g., March, J. ed Organic Chemistry; Reactions Mechanisms, and
Structure, 4th ed., 1992. ng materials useful for ing compounds of formula (III)
and ediates therefore, are commercially available or can be prepared from
commercially available materials using known synthetic methods and reagents.
Particular methods for preparing compounds of formula (I) are sed in
U.S. Patent No. 8,110,578, issued February 7, 2012, and U.S. Patent No. 8,569,494, issued
r 29, 2013, each incorporated by reference herein in their entirety.
4.4 SECOND ACTIVE AGENTS
Second active agents useful in combination with the TOR kinase inhibitors are
provided below.
4.4.1 Histone Deacetylase (HDAC) inhibitors
Second active agents ed herein are HDAC inhibitors. In certain
embodiments, the HDAC inhibitor is Belinostat (PXD101), MS-275 (Entinostat or SNDX-
275) or Romidepsin (Istodax®).
psin is a natural product which was isolated from Chromobacterium
eum by Fujisawa Pharmaceuticals (Published Japanese Patent Application No. 64872,
U.S. Patent 4,977,138, issued December 11, 1990, Ueda et al., J. Antibiot ) -
310, 1994; Nakajima et al., Exp Cell Res 241:126-133, 1998; and WO 02/20817; each of
which is incorporated herein by reference. It is a bicyclic peptide consisting of four amino
acid residues (D-valine, D-cysteine, dehydrobutyrine, and L-valine) and a novel acid (3-
hydroxymercaptoheptenoic acid) containing both amide and ester bonds. In addition to
the production from C. violaceum using fermentation, romidepsin can also be prepared by
synthetic or ynthetic means. The total synthesis of romidepsin reported by Kahn et al.
involves 14 steps and yields romidepsin in 18% overall yield (Kahn et al. J. Am. Chem. Soc.
118:7237-7238, 1996).
The chemical name of romidepsin is (1S,4S,7Z,10S,16E,21R)ethylidene-
4,21-bis(1-methylethyl)oxa-12,13-dithia-5,8,20,23-tetrazabicyclo[8.7.6]tricosene-
3,6,9,19,22-pentone. The empirical formula is C24H36N4O6S2. The lar weight is
540.71. At room temperature, romidepsin is a white powder.
The structure of romidepsin is shown below (formula I):
(I).
psin has been shown to have anti-microbial, immunosuppressive, and
anti-tumor activities. It was tested, for example, for use in treating ts with
hematological malignancies (e.g, ous T-cell lymphoma (CTCL), peripheral T-cell
lymphoma (PTCL), multiple myeloma, etc.) and solid tumors (e.g., prostate cancer,
pancreatic cancer, etc.) and is thought to act by selectively inhibiting deacetylases (e.g.,
histone deacetylase, tubulin deacetylase), thus promising new targets for the development of
a new class of anti-cancer ies (Nakajima et al., Exp Cell Res 241:126-133, 1998). One
mode of action of psin involves the inhibition of one or more classes of histone
deacetylases (HDAC). Preparations and purification of romidepsin is described, for e,
in U.S. Patent 4,977,138 and International PCT Application Publication WO 02/20817, each
of which is incorporated herein by nce.
Exemplary forms of romidepsin include, but are not limited to, salts, esters,
pro-drugs, isomers, isomers (e.g., enantiomers, diastereomers), tautomers, protected
forms, reduced forms, ed forms, derivatives, and combinations thereof, with the desired
activity (e.g., deacetylase inhibitory ty, aggressive inhibition, cytotoxicity). In certain
embodiments, romidepsin is a pharmaceutical grade material and meets the standards of the
U.S. Pharmacopoeia, Japanese Pharmacopoeia, or European Pharmacopoeia. In certain
embodiments, the romidepsin is at least 95%, at least 98%, at least 99%, at least 99.9%, or at
least 99.95% pure. In certain embodiments, the romidepsin is at least 95%, at least 98%, at
least 99%, at least 99.9%, or at least 99.95% monomeric. In certain embodiments, no
impurities are detectable in the romidepsin als (e.g., oxidized material, reduced
material, dimerized or erized material, side products, etc.). psin typically
includes less than 1.0%, less than 0.5%, less than 0.2%, or less than 0.1% of total other
unknowns. The purity of psin may be assessed by appearance, HPLC, specific
rotation, NMR spectroscopy, IR spectroscopy, UV/Visible spectroscopy, powder x-ray
diffraction (XRPD) analysis, elemental analysis, LC-mass spectroscopy, or mass
oscopy.
Romidepsin is sold under the tradename Istodax® and is approved in the
United States for the treatment of cutaneous T-cell lymphoma (CTCL) in patients who have
received at least one prior systemic therapy, and for the treatment of peripheral T-cell
lymphoma (PTCL) in patients who have received at least one prior therapy.
4.5 METHODS OF USE
Provided herein are methods for treating or preventing a cancer, comprising
administering an effective amount of a TOR kinase inhibitor and an effective amount of a
second active agent to a t having a cancer.
In certain embodiments, the cancer is a bloodborne tumor.
In certain embodiments, the cancer is a lymphoma, a leukemia or a multiple
myeloma.
In certain embodiments, the cancer is non-Hodgkin’s lymphoma. In certain
embodiments, the non-Hodgkin’s lymphoma is diffuse large B-cell ma (DLBCL),
follicular lymphoma (FL), acute d leukemia (AML), mantle cell ma (MCL), or
ALK+ anaplastic large cell lymphoma. In one embodiment, the non-Hodgkin’s lymphoma is
advanced solid non-Hodgkin’s lymphoma. In one embodiment, the non-Hodgkin’s
lymphoma is diffuse large B-cell lymphoma (DLBCL).
In certain embodiments, the cancer is diffuse large B-cell lymphoma
(DLBCL).
In certain embodiments, the cancer is a B-cell lymphoma.
In n embodiments, the B-cell lymphoma is a B-cell non-Hodgkin’s
lymphoma selected from diffuse large B-cell lymphoma, Burkitt’s lymphoma/leukemia,
mantle cell lymphoma, tinal (thymic) large B-cell lymphoma, ular lymphoma,
marginal zone lymphoma (including odal marginal zone B-cell lymphoma and nodal
marginal zone B-cell lymphoma), lymphoplasmacytic lymphoma/Waldenstrom
macroglobulinemia. In some embodiments, the B-cell lymphoma is chronic lymphocytic
leukemia/small lymphocytic lymphoma LL). In one embodiment, the B-cell
lymphoma is Waldenstrom macroglobulinemia. In other embodiments, the CLL is
characterized as the small lymphocytic lymphoma (SLL) variant of CLL.
In one embodiment, the B-cell non-Hodgkin’s lymphoma is refractory B-cell
non-Hodgkin’s lymphoma. In one embodiment, the B-cell non-Hodgkin’s lymphoma is
relapsed B-cell non-Hodgkin’s lymphoma.
In n embodiments, the cancer is a T-cell lymphoma. In one embodiment,
the T-cell lymphoma is peripheral T-cell lymphoma, or cutaneous T-cell lymphoma.
The B-cell ers c cytic leukemia/small lymphocytic
lymphoma (CLL/SLL) represent 2 ends of a spectrum of the same disease process differing in
the degree of blood/marrow involvement (CLL) versus lymph node involvement (SLL).
In other embodiments, the cancer is a multiple myeloma.
In certain embodiments, the cancer is a cancer of the head, neck, eye, mouth,
throat, esophagus, bronchus, , pharynx, chest, bone, lung, colon, rectum, stomach,
prostate, urinary bladder, uterine, cervix, breast, ovaries, testicles or other reproductive
organs, skin, thyroid, blood, lymph nodes, kidney, liver, pancreas, and brain or central
nervous system.
In other embodiments, the cancer is a solid tumor. In n embodiments,
the solid tumor is a ed or refractory solid tumor.
In one embodiment, the solid tumor is a neuroendocrine tumor. In certain
embodiments, the neuroendocrine tumor is a neuroendocrine tumor of gut origin. In certain
embodiments, the neuroendocrine tumor is of non-pancreatic origin. In certain embodiments,
the neuroendocrine tumor is non-pancreatic of gut origin. In certain embodiments, the
neuroendocrine tumor is of unknown primary origin. In n embodiments, the
neuroendocrine tumor is a symptomatic endocrine producing tumor or a nonfunctional tumor.
In certain embodiments, the neuroendocrine tumor is locally unresectable, metastatic
moderate, well differentiated, low (grade 1) or intermediate (grade 2).
In one ment, the solid tumor is non-small cell lung cancer (NSCLC).
In another ment, the solid tumor is astoma multiforme (GBM).
] In another embodiment, the solid tumor is a carcinoma.
In another embodiment, the solid tumor is ductal carcinoma.
In r embodiment, the solid tumor is adenocarcinoma.
In another embodiment, the solid tumor is hepatocellular carcinoma (HCC).
In r embodiment, the solid tumor is breast cancer. In one embodiment,
the breast cancer is hormone receptor positive. In one embodiment, the breast cancer is
estrogen receptor positive (ER+, ER+/Her2 or ER+/Her2+). In one embodiment, the breast
cancer is estrogen or ve (ER-/Her2+). In one embodiment, the breast cancer is
triple negative (TN) (breast cancer that does not express the genes and/or protein
corresponding to the estrogen receptor (ER), progesterone receptor (PR), and that does not
overexpress the eu protein).
In another embodiment, the solid tumor is colorectal cancer (CRC).
In another embodiment, the solid tumor is salivary cancer.
In another embodiment, the solid tumor is atic .
In another embodiment, the solid tumor is adenocystic cancer.
In another embodiment, the solid tumor is adrenal .
In another ment, the solid tumor is esophageal , renal cancer,
leiomyosarcoma, or paraganglioma.
In one embodiment, the solid tumor is an advanced solid tumor.
In another embodiment, the cancer is head and neck squamous cell carcinoma.
In another embodiment, the cancer is E-twenty six (ETS) overexpressing
castration-resistant prostate cancer.
In another embodiment, the cancer is E-twenty six (ETS) overexpressing
Ewings sarcoma.
In other embodiments, the cancer is a cancer associated with the pathways
involving mTOR, PI3K, or Akt kinases and mutants or isoforms thereof. Other cancers
within the scope of the methods provided herein e those associated with the pathways
of the following kinases: PI3K, PI3K, PI3K, KDR, GSK3, GSK3, ATM, ATX, ATR,
cFMS, and/or DNA-PK kinases and mutants or isoforms thereof. In some embodiments, the
s associated with mTOR/ PI3K/Akt pathways include solid and blood-borne tumors,
for example, multiple myeloma, mantle cell lymphoma, diffused large B-cell lymphoma,
acute myeloid lymphoma, follicular lymphoma, chronic cytic leukemia; and solid
tumors, for e, breast, lung, endometrial, ovarian, gastric, cervical, and prostate cancer;
glioblastoma; renal carcinoma; hepatocellular carcinoma; colon oma; neuroendocrine
tumors; head and neck ; and sarcomas, such as Ewing’s sarcoma.
In certain embodiments, ed herein are methods for achieving an
International Workshop on Chronic Lymphocytic Leukemia (IWCLL) response definition of
a complete se, partial response or stable e in a patient having chronic
lymphocytic ia, comprising administering an effective amount of a TOR kinase
inhibitor in combination with a second active agent to said patient. In certain embodiments,
provided herein are methods for achieving a Response Evaluation Criteria in Solid Tumors
(for example, RECIST 1.1) of complete response, partial response or stable e in a
patient having a solid tumor, comprising administering an effective amount of a TOR kinase
inhibitor in combination with a second active agent to said patient. In certain embodiments,
provided herein are methods for achieving a National Cancer ute-Sponsored Working
Group on Chronic Lymphocytic Leukemia (NCI-WG CLL) response definition of te
response, partial response or stable disease in a patient having leukemia, comprising
stering an effective amount of a TOR kinase inhibitor in combination with a second
active agent to said patient. In certain ments, provided herein are methods for
achieving a Prostate Cancer Working Group 2 (PCWG2) Criteria of complete response,
partial response or stable disease in a patient having te cancer, comprising
administering an effective amount of a TOR kinase inhibitor in ation with a second
active agent to said patient. In certain embodiments, provided herein are methods for
achieving an International Workshop Criteria (IWC) for non-Hodgkin’s lymphoma of
complete response, partial response or stable disease in a patient having non-Hodgkin’s
lymphoma, comprising stering an effective amount of a TOR kinase inhibitor in
combination with a second active agent to said patient. In certain embodiments, provided
herein are methods for achieving an International Uniform Response Criteria (IURC) for
multiple myeloma of complete se, partial response or stable disease in a patient having
multiple myeloma, comprising administering an effective amount of a TOR kinase inhibitor
in ation with a second active agent to said patient. In certain embodiments, provided
herein are methods for achieving a Responses Assessment for Neuro-Oncology (RANO)
Working Group for glioblastoma multiforme of complete response, partial response or stable
disease in a patient having glioblastoma multiforme, comprising administering an effective
amount of a TOR kinase inhibitor in combination with a second active agent to said t.
In n embodiments, provided herein are s for increasing survival
without disease progression of a patient having a , comprising administering an
effective amount of a TOR kinase inhibitor in combination with an effective amount of a
second active agent to said patient.
In certain embodiments, provided herein are methods for treating a cancer, the
methods comprising administering an effective amount of a TOR kinase inhibitor in
combination with an effective amount of a second active agent to a patient having a cancer,
wherein the treatment results in prevention or retarding of clinical progression, such as
-related cachexia or increased pain.
In some embodiments, provided herein are methods for treating a cancer, the
methods comprising administering an effective amount of a TOR kinase inhibitor in
combination with an effective amount of a second active agent to a patient having a B-cell
ma, wherein the treatment results in one or more of inhibition of disease progression,
increased Time To Progression (TTP), increased Progression Free Survival (PFS), and/or
increased Overall Survival (OS), among .
In some embodiments, the TOR kinase inhibitor is a compound as described
herein. In one embodiment, the TOR kinase inhibitor is a compound of formula (I). In one
embodiment, the TOR kinase inhibitor is a nd from Table A. In one embodiment, the
TOR kinase inhibitor is Compound 1 (a TOR kinase inhibitor set forth herein having
molecular formula C16H16N8O). In one embodiment, the TOR kinase inhibitor is Compound
2 (a TOR kinase inhibitor set forth herein having molecular a C21H27N5O3). In one
embodiment, the TOR kinase tor is Compound 3 (a TOR kinase tor set forth
herein having molecular formula C20H25N5O3). In one embodiment, the TOR kinase inhibitor
is nd 4 (a TOR kinase inhibitor set forth herein having molecular formula
C21H24N8O2). In another embodiment, Compound 1 is l(2-methyl(1H-1,2,4-
triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one, or a tautomer
thereof, for example, l(2-methyl(4H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one, or 1-ethyl(2-methyl(1H-1,2,4-triazol
yl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one. In one embodiment,
Compound 2 is 7-(6-(2-hydroxypropanyl)pyridinyl)((1r,4r)methoxycyclohexyl)-
3,4-dihydropyrazino-[2,3-b]pyrazin-2(1H)-one, alternatively named 7-(6-(2-hydroxypropan-
2-yl)pyridinyl)((trans)methoxycyclohexyl)-3,4-dihydropyrazino[2,3-b]pyrazin-
2(1H)-one, or 7-(6-(2-hydroxypropanyl)pyridinyl)((1R*,4R*)
methoxycyclohexyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one. In another embodiment,
Compound 3 is 1-((trans)hydroxycyclohexyl)(6-(2-hydroxypropanyl)pyridinyl)-
3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one, alternatively named 1-((1r,4r)
hydroxycyclohexyl)(6-(2-hydroxypropanyl)pyridinyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one. In another embodiment, Compound 4 is 7-(2-methyl(4H-1,2,4-
triazolyl)pyridinyl)(2-(tetrahydro-2H-pyranyl)ethyl)-3,4-dihydropyrazino[2,3-
b]pyrazin-2(1H)-one. In one embodiment, Compound 3 is a metabolite of Compound 2.
A TOR kinase inhibitor administered in combination with a second active
agent can be further combined with radiation therapy or surgery. In certain embodiments, a
TOR kinase inhibitor is administered in combination with a second active agent to t
who is undergoing radiation y, has previously undergone ion therapy or will be
oing radiation therapy. In certain embodiments, a TOR kinase inhibitor is
administered in combination with a second active agent to a patient who has undergone
y, such as tumor removal surgery.
Further provided herein are methods for treating patients who have been
previously treated for a cancer, as well as those who have not previously been d.
Because patients with a a cancer have heterogenous al stations and varying
clinical outcomes, the treatment given to a patient may vary, depending on his/her prognosis.
The skilled clinician will be able to readily determine without undue experimentation specific
secondary agents, types of surgery, and types of non-drug based standard y that can be
ively used to treat an individual patient with a cancer.
In certain ments, a TOR kinase inhibitor is administered in
combination with a second active agent to a patient in cycles. Cycling therapy involves the
administration of an active s) for a period of time, followed by a rest for a period of
time, and repeating this sequential administration. Cycling therapy can reduce the
development of resistance, avoid or reduce the side effects, and/or improves the efficacy of
the treatment.
In some embodiments, a second active agent is administered twice daily, or
BID, whereas a TOR kinase inhibitor is administered once daily, or QD. Alternatively and/or
additionally, a second active agent may be administered once or twice daily for one or more
28-day cycles, whereas a TOR kinase inhibitor may be stered once daily for days 1
h 21 of one or more 28-day cycles. In some ments, a second active agent is
administered twice daily on days 1 through 28 of one or more 28-day cycles and a TOR
kinase tor is administered once daily on days 2 through 22 of one or more 28-day
cycles. In some embodiments, a second active agent is administered twice daily on days 1
through 28 of one or more 28-day cycles and a TOR kinase inhibitor is administered once
daily on days 1 through 28 of one or more 28-day cycles.
In some ments, the provided methods comprise administering a second
active agent in combination with a TOR kinase tor daily for a period of 1, 2, 3, 4, 5, 6,
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 or 28 days. In
some embodiments, a treatment regimen comprises at least one 28-day cycle. As used
herein, the term “28-day cycle” means that the combination of a second active agent and a
TOR kinase inhibitor is administered to a patient in need thereof for 28 consecutive days. In
some embodiments, the combination of a second active agent and a TOR kinase inhibitor is
administered for at least one 28-day cycle. In some embodiments, the ation of a
second active agent and a TOR kinase inhibitor is stered for at least two, at least three,
at least four, at least five or at least six 28-day cycles. In some embodiments, the
combination of a second active agent and a TOR kinase inhibitor is administered for at least
seven, at least eight, at least nine, at least ten, at least eleven or at least twelve 28-day cycles.
In some embodiments, the combination of a second active agent and a TOR kinase inhibitor
is administered for at least thirteen, at least fourteen, at least fifteen, at least sixteen, at least
seventeen or at least eighteen 28-day cycles.
In some embodiments, the combination of a second active agentand a TOR
kinase inhibitor is administered for at least eighteen 28-day , and a second active agent
is further administered for at least one additional 28-day cycle. In some embodiments, the
combination of a second active agent and a TOR kinase inhibitor is administered for at least
eighteen 28-day cycles, and a second active agent is further administered for at least two, at
least three, at least four, at least five, at least six, at least seven, at least eight, at least nine, at
least ten, at least eleven or at least twelve additional 28-day cycles. In some embodiments,
the combination of a second active agent and a TOR kinase inhibitor is administered for at
least eighteen 28-day cycles, and a second active agent is further stered for at least
thirteen, at least fourteen, at least fifteen, at least sixteen, at least seventeen, at least eighteen,
at least nineteen, at least twenty, at least twenty-one, at least twenty-two, at least twenty-three
or at least twenty-four additional 28-day cycles. In some embodiments, the combination of a
second active agent and a TOR kinase inhibitor is administered to a patient for the duration of
the t’s life. In some embodiments, the combination of a second active agent and a TOR
kinase tor is administered for at least eighteen 28-day cycles, and a second active agent
is further administered for the on of the patient’s life. In some embodiments, a second
active agent is administered on days 1 through 28 (for example, one dose each day or two
doses each day) of each 28-day cycle and a second active agent is administered on days 1
through 21 (for e, one dose each day) of one or more 28-day cycles. In some
embodiments, a second active agent is administered on days 1 through 28 of one or more 28-
day cycles and a second active agent is administered on days 2 through 22 of one or more 28-
day cycles.
In some embodiments, two nt 28-day cycles may be separated by a rest
period. Such a rest period may be one, two, three, four, five, six, seven or more days during
which the patient is not administered either or both a second active agent and a TOR kinase
inhibitor. In a preferred embodiment, two adjacent 28-day cycles are continuous.
In one ment, a TOR kinase inhibitor is administered in combination
with a second active agent daily in single or divided doses for about 3 days, about 5 days,
about one week, about two weeks, about three weeks, about four weeks (e.g., 28 days), about
five weeks, about six weeks, about seven weeks, about eight weeks, about ten weeks, about
fifteen weeks, or about twenty weeks, followed by a rest period of about 1 day to about ten
weeks. In one embodiment, the methods provided herein contemplate g treatments of
about one week, about two weeks, about three weeks, about four weeks, about five weeks,
about six weeks, about eight weeks, about ten weeks, about fifteen weeks, or about twenty
weeks. In some embodiments, a TOR kinase inhibitor is administered in combination with a
second active agent in single or divided doses for about 3 days, about 5 days, about one week,
about two weeks, about three weeks, about four weeks (e.g., 28 days), about five weeks, or
about six weeks with a rest period of about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22,
24, 26, 28, 29, or 30 days. In some embodiments, the rest period is 1 day. In some
embodiments, the rest period is 3 days. In some embodiments, the rest period is 7 days. In
some embodiments, the rest period is 14 days. In some embodiments, the rest period is 28
days. The frequency, number and length of dosing cycles can be increased or decreased.
In one embodiment, the methods provided herein comprise: i) administering to
the subject a first daily dose of a TOR kinase inhibitor in combination with a second active
agent; ii) optionally resting for a period of at least one day where a second active agent is not
administered to the subject; iii) administering a second dose of a TOR kinase inhibitor in
combination with a second active agent to the subject; and iv) repeating steps ii) to iii) a
plurality of times.
In one embodiment, the methods ed herein comprise administering to
the subject a dose of a second active agent on day 1, followed by administering a TOR kinase
tor in combination with a second active agent to the subject on day 2 and subsequent
days.
In certain embodiments, a TOR kinase inhibitor in ation with a second
active agent is stered continuously for between about 1 and about 52 weeks. In n
embodiments, a TOR kinase inhibitor in combination with a second active agent is
administered continuously for about 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 months. In
certain embodiments, a TOR kinase inhibitor in combination with a second active agent is
administered continuously for about 7, about 14, about 21, about 28, about 35, about 42,
about 84, or about 112 days.
In certain embodiments, when a TOR kinase inhibitor is administered in
combination with a second active agent, the TOR kinase inhibitor is administered
continuously for 28 days, while a second active agent is administered continuously for 21
days followed by 7 days without administration of a second active agent. In one
embodiment, in a 28 day cycle, a second active agent is administered alone on Day 1, a
second active agent and the TOR kinase inhibitor are administered in combination on Days 2-
21 and the TOR kinase inhibitor is administered alone on Days 22-28. In some such
ments, starting with Cycle 2 both a second active agent and the TOR kinase tor
are administered on Day 1, a second active agent is continued through Day 21, while the
TOR kinase inhibitor is continued through Day 28. The 28 day cycles, as described above,
can be ued for as long needed, such as for 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12 months or
longer.
] In certain ments, when a TOR kinase inhibitor is administered in
combination with a second active agent, in a 28 day cycle, a second active agent is
administered alone on Days 1-7 and the TOR kinase inhibitor is administered alone on Days
8-28. Such 28 day cycles can be continued for as long needed, such as for 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11 or 12 months or longer.
In n embodiments, when a TOR kinase inhibitor is administered in
combination with a second active agent, the TOR kinase inhibitor is administered at an
amount of about 2.5 mg to about 50 mg per day (such as about 2.5 mg, about 10 mg, about 15
mg, about 16 mg/day, about 20 mg, about 30 mg or about 45 mg per day) and a second active
agent is administered at an amount of about 125 mg to about 1250 mg per day (such as about
mg, about 50 mg, about 75 mg, about 100 mg, about 125 mg, about 150 mg, about 175
mg, about 200 mg, about 225 mg, about 250 mg, about 375 mg, about 500 mg, about 750 mg,
about 1000 mg or about 1250 mg per day). In certain embodiments, about 2.5 mg per day of
a TOR kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about
75 mg, about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225
mg, about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250
mg per day of a second active agent. In certain embodiments, about 10 mg per day of a TOR
kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. In certain embodiments, about 15 mg per day of a TOR
kinase inhibitor is stered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. In certain embodiments, about 16 mg per day of a TOR
kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. In certain embodiments, about 20 mg per day of a TOR
kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. In certain embodiments, about 30 mg per day of a TOR
kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. In certain embodiments, about 45 mg per day of a TOR
kinase inhibitor is administered in combination with about 25 mg, about 50 mg, about 75 mg,
about 100 mg, about 125 mg, about 150 mg, about 175 mg, about 200 mg, about 225 mg,
about 250 mg, about 375 mg, about 500 mg, about 750 mg, about 1000 mg or about 1250 mg
per day of a second active agent. A TOR kinase inhibitor and a second active agent can each
be independently administered once (QD), twice (BD) or three times (TID) per day.
In some embodiments, methods provided herein comprise administering to a
patient in need thereof a therapeutically effective amount of a TOR kinase inhbitor in
combination with a second active agent, wherein the therapeutically effective amount of a
second active agent is about 250 mg to about 1250 mg per day. In some embodiments, the
therapeutically effective amount of a second active agent is stered as one or more
et doses. For example, in some embodiments, a therapeutically effective amount of a
second active agent is 250 mg per day, n the therapeutically effective amount is
administered as 125 mg twice daily (BID). In some ments, a eutically effective
amount of a second active agent is 500 mg per day, n the therapeutically effective
amount is administered as 250 mg twice daily (BID). In some embodiments, a
therapeutically effective amount of a second active agent is 750 mg per day, wherein the
therapeutically effective amount is administered as 375 mg twice daily (BID). In some
embodiments, a therapeutically effective amount of a second active agent is 1000 mg per day,
wherein the therapeutically effective amount is administered as 500 mg twice daily (BID).
In some embodiments, methods provided herein comprise stering to a
patient in need thereof a therapeutically effective amount of a TOR kinase inhibitor in
combination with a second active agent, wherein the therapeutically effective amount of a
second active agent is about 125 mg to about 1250 mg per day, or about 125 mg to about
1125 mg per day, or about 125 mg to about 1000 mg per day, or about 125 mg to about 875
mg per day, or about 125 mg to about 750 mg per day, or about 125 mg to about 625 mg per
day, or about 125 mg to about 500 mg per day, or about 125 mg to about 375 mg per day, or
about 125 mg to about 250 mg per day, or about 250 mg to about 1250 mg per day, or about
250 mg to about 1125 mg per day, or about 250 mg to about 1000 mg per day, or about 250
mg to about 875 mg per day, or about 250 mg to about 750 mg per day, or about 250 mg to
about 625 mg per day, or about 250 mg to about 500 mg per day, or about 250 mg to about
375 mg per day, or about 375 mg to about 1250 mg per day, or about 375 mg to about 1125
mg per day, or about 375 mg to about 1000 mg per day, or about 375 mg to about 875 mg per
day, or about 375 mg to about 750 mg per day, or about 375 mg to about 625 mg per day, or
about 375 mg to about 500 mg per day, or about 500 mg to about 1250 mg per day, or about
500 mg to about 1125 mg per day, or about 500 mg to about 1000 mg per day, or about 500
mg to about 875 mg per day, or about 500 mg to about 750 mg per day, or about 500 mg to
about 625 mg per day, or about 625 mg to about 1250 mg per day, or about 625 mg to about
1125 mg per day, or about 625 mg to about 1000 mg per day, or about 625 mg to about 875
mg per day, or about 625 mg to about 750 mg per day, or about 750 mg to about 1250 mg per
day, or about 750 mg to about 1125 mg per day, or about 750 mg to about 1000 mg per day,
or about 875 mg to about 1250 mg per day, or about 875 mg to about 1125 mg per day, or
about 875 mg to about 1000 mg per day.
In some embodiments, methods provided herein comprise administering to a
patient in need thereof a therapeutically effective amount of a TOR kinase inhibitor in
combination with a second active agent, wherein the eutically effective amount of a
second active agent per day is about 125 mg, 130 mg, 135 mg, 140 mg, 145 mg, 150 mg, 155
mg, 160 mg, 165 mg, 170 mg, 175 mg, 180 mg, 185 mg, 190 mg, 195 mg, 200 mg, 205 mg,
210 mg, 215 mg, 220 mg, 225 mg, 230 mg, 235 mg, 240 mg, 245 mg, 250 mg, 255 mg, 260
mg, 265 mg, 270 mg, 275 mg, 280 mg, 285 mg, 290 mg, 295 mg, 300 mg, 305 mg, 310 mg,
315 mg, 320 mg, 325 mg, 330 mg, 335 mg, 340 mg, 345 mg, 350 mg, 355 mg, 360 mg, 365
mg, 370 mg, 375 mg, 380 mg, 385 mg, 390 mg, 395 mg, 400 mg, 405 mg, 410 mg, 415 mg,
420 mg, 425 mg, 430 mg, 435 mg, 440 mg, 445 mg, 450 mg, 455 mg, 460 mg, 465 mg, 470
mg, 475 mg, 480 mg, 485 mg, 490 mg, 495 mg, 500 mg, 505 mg, 510 mg, 515 mg, 520 mg,
525 mg, 530 mg, 535 mg, 540 mg, 545 mg, 550 mg, 555 mg, 560 mg, 565 mg, 570 mg, 575
mg, 580 mg, 585 mg, 590 mg, 595 mg, 600 mg, 605 mg, 610 mg, 615 mg, 620 mg, 625 mg,
630 mg, 635 mg, 640 mg, 645 mg, 650 mg, 655 mg, 660 mg, 665 mg, 670 mg, 675 mg, 680
mg, 685 mg, 690 mg, 695 mg, 700 mg, 705 mg, 710 mg, 715 mg, 720 mg, 725 mg, 730 mg,
735 mg, 740 mg, 745 mg, 750 mg, 755 mg, 760 mg, 765 mg, 770 mg, 775 mg, 780 mg, 785
mg, 790 mg, 795 mg, 800 mg, 805 mg, 810 mg, 815 mg, 820 mg, 825 mg, 830 mg, 835 mg,
840 mg, 845 mg, 850 mg, 855 mg, 860 mg, 865 mg, 870 mg, 875 mg, 880 mg, 885 mg, 890
mg, 895 mg, 900 mg, 905 mg, 910 mg, 915 mg, 920 mg, 925 mg, 930 mg, 935 mg, 940 mg,
945 mg, 950 mg, 955 mg, 960 mg, 965 mg, 970 mg, 975 mg, 980 mg, 985 mg, 990 mg, 995
mg, 1000 mg, 1005 mg, 1010 mg, 1015 mg, 1020 mg, 1025 mg, 1030 mg, 1035 mg, 1040
mg, 1045 mg, 1050 mg, 1055 mg, 1060 mg, 1065 mg, 1070 mg, 1075 mg, 1080 mg, 1085
mg, 1090 mg, 1095 mg, 1100 mg, 1105 mg, 1110 mg, 1115 mg, 1120 mg, 1125 mg, 1130
mg, 1135 mg, 1140 mg, 1145 mg, 1150 mg, 1155 mg, 1160 mg, 1165 mg, 1170 mg, 1175
mg, 1180 mg, 1185 mg, 1190 mg, 1195 mg, 1200 mg, 1205 mg, 1210 mg, 1215 mg, 1220
mg, 1225 mg, 1230 mg, 1235 mg, 1240 mg, 1245 mg or 1250 mg.
In some embodiments, the methods of treatment provided herein comprise
administering to a patient in need thereof about 125 mg BID to about 500 mg BID a second
active agent in combination with about 2.5 mg to about 50 mg per day (such as about 2.5 mg,
about 10 mg, about 15 mg, about 16 mg/day, about 20 mg, about 30 mg or about 45 mg per
day) of a TOR kinase inhibitor. In some embodiments, provided methods comprise
administering to a patient in need thereof 375 mg BID to about 500 mg BID a second active
agent in combination with about 2.5 mg to about 50 mg (such as about 2.5 mg, about 10 mg,
about 15 mg, about 16 mg/day, about 20 mg, about 30 mg or about 45 mg per day) of a TOR
kinase inhibitor.
4.6 PHARMACEUTICAL COMPOSITIONS AND
ROUTES OF ADMINISTRATION
Provided herein are compositions comprising an effective amount of a TOR
kinase tor and an effective amount of a second active agent and compositions
sing an effective amount of a TOR kinase tor and a second active agent and a
pharmaceutically able carrier or vehicle.
[00189A] In a particular embodiment, provided herein is a pharmaceutical composition
comprising 1-ethyl(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-
dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, ate,
solvate, stereoisomer, tautomer or isotopologue thereof, a histone deacetylase tor, and a
pharmaceutically acceptable carrier or vehicle.
In some embodiments, the pharmaceutical itions described herein are
suitable for oral, parenteral, mucosal, transdermal or topical administration.
The compositions can be administered to a patient orally or parenterally in the
conventional form of preparations, such as capsules, microcapsules, s, granules,
powder, troches, pills, suppositories, injections, suspensions and syrups. le
formulations can be prepared by methods commonly employed using conventional, organic
or inorganic additives, such as an excipient (e.g., sucrose, , mannitol, sorbitol, lactose,
glucose, cellulose, talc, calcium phosphate or calcium carbonate), a binder (e.g., ose,
53 (followed by 53A)
methylcellulose, hydroxymethylcellulose, polypropylpyrrolidone, polyvinylpyrrolidone,
gelatin, gum arabic, polyethyleneglycol, e or starch), a disintegrator (e.g., starch,
carboxymethylcellulose, hydroxypropylstarch, low substituted hydroxypropylcellulose,
sodium bicarbonate, calcium phosphate or calcium citrate), a lubricant (e.g., ium
stearate, light anhydrous silicic acid, talc or sodium lauryl sulfate), a flavoring agent (e.g.,
53A (followed by 54)
citric acid, menthol, glycine or orange powder), a preservative (e.g, sodium benzoate, sodium
bisulfite, methylparaben or propylparaben), a stabilizer (e.g., citric acid, sodium e or
acetic acid), a suspending agent (e.g., cellulose, nyl pyrroliclone or aluminum
stearate), a dispersing agent (e.g., hydroxypropylmethylcellulose), a diluent (e.g., , and
base wax (e.g., cocoa butter, white petrolatum or polyethylene glycol). The effective amount
of the TOR kinase inhibitor in the pharmaceutical composition may be at a level that will
exercise the desired effect; for example, about 0.005 mg/kg of a patient’s body weight to
about 10 mg/kg of a patient’s body weight in unit dosage for both oral and parenteral
administration.
The dose of a TOR kinase tor and the dose of a second active agent to be
administered to a patient is rather widely variable and can be subject to the judgment of a
-care practitioner. In general, the TOR kinase inhibitors and a second active agent can
be administered one to four times a day in a dose of about 0.005 mg/kg of a patient’s body
weight to about 10 mg/kg of a t’s body weight in a patient, but the above dosage may
be properly varied depending on the age, body weight and medical condition of the patient
and the type of administration. In one embodiment, the dose is about 0.01 mg/kg of a
patient’s body weight to about 5 mg/kg of a patient’s body , about 0.05 mg/kg of a
patient’s body weight to about 1 mg/kg of a patient’s body weight, about 0.1 mg/kg of a
patient’s body weight to about 0.75 mg/kg of a patient’s body weight or about 0.25 mg/kg of
a patient’s body weight to about 0.5 mg/kg of a patient’s body weight. In one embodiment,
one dose is given per day. In any given case, the amount of the TOR kinase inhibitor
administered will depend on such factors as the solubility of the active component, the
formulation used and the route of administration.
In another embodiment, provided herein are unit dosage formulations that
comprise between about 1 mg and about 2000 mg, about 1 mg and about 200 mg, about
mg and about 1400 mg, about 125 mg and about 1000 mg, about 250 mg and about
1000 mg, about 500 mg and about 1000 mg, about 1 mg to about 30 mg, about 1 mg to about
mg or about 2.5 mg to about 20 mg of a TOR kinase inhibitor alone or in combination
with a second active agent. In another embodiment, provided herein are unit dosage
formulations that comprise 1 mg, 2.5 mg, 5 mg, 7.5 mg, 8 mg, 10 mg, 15 mg, 20 mg, 30 mg,
mg, 45 mg, 50 mg, 70 mg, 100 mg, 125 mg, 140 mg, 175 mg, 200 mg, 250 mg, 280 mg,
350 mg, 500 mg, 560 mg, 700 mg, 750 mg, 1000 mg or 1400 mg of a TOR kinase inhibitor
alone or in combination with a second active agent. In another embodiment, provided herein
are unit dosage formulations that comprise about 2.5 mg, about 7.5 mg, about 8 mg, about 10
mg, about 15 mg, about 20 mg, about 30 mg or about 45 mg of a TOR kinase inhibitor alone
or in combination with a second active agent.
In a particular embodiment, provided herein are unit dosage formulations
comprising about 7.5 mg, about 8 mg, about 10 mg, about 15 mg, about 30 mg, about 45 mg,
about 50 mg, about 75 mg, about 100 mg or about 400 mg of a TOR kinase inhibitor in
combination with a second active agent. In a ular embodiment, provided herein are unit
dosage formulations comprising about 5 mg, about 7.5 mg or about 10 mg of a TOR kinase
tor in combination with a second active agent.
In certain embodiments, provided herein are unit dosage formulations
comprising about 25 mg, about 50 mg, about 75 mg, about 100 mg, about 125 mg, about 150
mg, about 175 mg, about 200 mg, about 225 mg or about 250 mg of a second active agent
alone or in combination with a TOR kinase inhibitor.
A TOR kinase inhibitor can be administered in combination with a second
active agent once, twice, three, four or more times daily.
A TOR kinase inhibitor can be administered in combination with a second
active agent orally for reasons of convenience. In one ment, when administered
orally, a TOR kinase inhibitor in combination with a second active agent is administered with
a meal and water. In another embodiment, the TOR kinase inhibitor in combination with a
second active agent is dispersed in water or juice (e.g., apple juice or orange juice) and
administered orally as a suspension. In another embodiment, when administered orally, a
TOR kinase inhibitor in ation with a second active agent is administered in a fasted
state.
The TOR kinase inhibitor can also be administered in combination with a
second active agent intravenously, such as intravenous infusion, or subcutaneously, such as
aneous injection. The mode of administration is left to the tion of the health-care
tioner, and can depend in-part upon the site of the medical condition.
In one embodiment, provided herein are capsules containing a TOR kinase
inhibitor in combination with a second active agent without an additional carrier, excipient or
vehicle.
In another embodiment, provided herein are compositions comprising an
effective amount of a TOR kinase tor, an effective amount of a second active agent, and
a pharmaceutically acceptable carrier or e, wherein a ceutically acceptable
carrier or vehicle can se an excipient, diluent, or a mixture thereof. In one
embodiment, the composition is a pharmaceutical composition.
] The compositions can be in the form of tablets, chewable tablets, capsules,
solutions, parenteral solutions, troches, suppositories and suspensions and the like.
Compositions can be ated to contain a daily dose, or a convenient fraction of a daily
dose, in a dosage unit, which may be a single tablet or capsule or convenient volume of a
liquid. In one embodiment, the solutions are prepared from water-soluble salts, such as the
hydrochloride salt. In general, all of the compositions are prepared ing to known
methods in pharmaceutical chemistry. Capsules can be prepared by mixing a TOR kinase
inhibitor with a suitable carrier or diluent and filling the proper amount of the mixture in
capsules. The usual carriers and diluents include, but are not limited to, inert powdered
substances such as starch of many different kinds, powdered cellulose, especially crystalline
and microcrystalline cellulose, sugars such as fructose, mannitol and e, grain flours and
r edible powders.
Tablets can be prepared by direct compression, by wet granulation, or by dry
granulation. Their formulations usually incorporate diluents, binders, lubricants and
disintegrators as well as the compound. Typical diluents include, for example, various types
of starch, e, mannitol, kaolin, calcium phosphate or sulfate, inorganic salts such as
sodium chloride and powdered sugar. Powdered cellulose derivatives are also . In one
embodiment, the pharmaceutical composition is lactose-free. Typical tablet binders are
nces such as starch, gelatin and sugars such as lactose, fructose, glucose and the like.
l and synthetic gums are also convenient, including acacia, alginates, methylcellulose,
polyvinylpyrrolidine and the like. Polyethylene glycol, ethylcellulose and waxes can also
serve as binders.
A lubricant might be necessary in a tablet formulation to prevent the tablet and
punches from sticking in the die. The lubricant can be chosen from such slippery solids as
talc, magnesium and m stearate, stearic acid and enated vegetable oils. Tablet
egrators are substances that swell when wetted to break up the tablet and release the
compound. They include starches, clays, celluloses, algins and gums. More particularly, corn
and potato starches, methylcellulose, agar, ite, wood cellulose, powdered natural
sponge, cation-exchange resins, alginic acid, guar gum, citrus pulp and carboxymethyl
cellulose, for example, can be used as well as sodium lauryl sulfate. Tablets can be coated
with sugar as a flavor and sealant, or with film-forming protecting agents to modify the
dissolution properties of the tablet. The compositions can also be formulated as chewable
tablets, for example, by using substances such as mannitol in the formulation.
When it is desired to administer a TOR kinase inhibitor in combination with a
second active agent as a suppository, typical bases can be used. Cocoa butter is a traditional
suppository base, which can be modified by addition of waxes to raise its melting point
slightly. Water-miscible suppository bases comprising, particularly, polyethylene glycols of
various molecular weights are in wide use.
The effect of the TOR kinase inhibitor in combination with a second active
agent can be delayed or prolonged by proper formulation. For example, a slowly soluble
pellet of the TOR kinase tor in combination with a second active agent can be prepared
and incorporated in a tablet or capsule, or as a slow-release implantable device. The
technique also es making s of several different dissolution rates and filling
capsules with a mixture of the pellets. Tablets or capsules can be coated with a film that
resists dissolution for a predictable period of time. Even the parenteral preparations can be
made long-acting, by dissolving or suspending the TOR kinase inhibitor in combination with
a second active agent in oily or emulsified vehicles that allow it to disperse slowly in the
serum.
In some ments, a pharmaceutically acceptable composition comprising
a second active agent ses from about 5% to about 60% of a second active agent, or a
pharmaceutically acceptable salt thereof, based upon total weight of the composition. In
some embodiments, a pharmaceutically acceptable composition comprising a second active
agent comprises from about 5% to about 15% or about 7% to about 15% or about 7% to
about 10% or about 9% to about 12% of a second active agent, based upon total weight of the
composition. In some embodiments, provided methods comprise stering to a t in
need thereof a ceutically acceptable ition comprising from about 25% to about
75% or about 30% to about 60% or about 40% to about 50% or about 40% to about 45% of a
second active agent, based upon total weight of the formulation. In certain embodiments,
provided regimens comprise administering to a patient in need thereof a pharmaceutically
acceptable composition comprising from about 6%, about 7%, about 8%, about 9%, about
%, about 11%, about 12%, about 13%, about 20%, about 30%, about 40%, about 41%,
about 42%, about 43%, about 44%, about 45%, about 50%, about 60%, about 70%, or about
75% of a second active agent, based upon total weight of given composition or formulation.
In certain embodiments, the Compound 2 is administered in a formulation set
forth in U.S. Patent Application Publication No. 2013-0142873, published June 6, 2013,
which is incorporated herein in its ty (see particularly paragraph [0323] to paragraph
, and paragraph [0636] to paragraph ). In other embodiments, the Compound 2
is administered in a formulation set forth in U.S. Provisional Patent Application No. ,506,
filed May 29, 2013, which is incorporated herein in its entirety (see particularly paragraph [0246] to
paragraph [0403], and paragraph [0571] to paragraph [0586]).
In certain embodiments, the Compound 1 is administered in a formulation set forth in
U.S. Provisional Application No. 61/813,064, filed April 17, 2013, which is orated herein in its
entirety (see particularly paragraph [0168] to paragraph [0189] and paragraph [0262] to paragraph
). In other embodiments, the Compound 1 is administered in a formulation set forth in U.S.
Provisional Patent Application No. 61/911,201, filed December 3, 2013, which is incorporated herein
in its entirety (see particularly paragraph [0170] to paragraph [0190], and paragraph [0264] to
paragraph [0296]).
4.7 KITS
] In certain embodiments, provided herein are kits sing a TOR kinase inhibitor
and a second active agent, such as those described herein.
[00209A] In a particular embodiment, provided herein is a kit comprising l(2-methyl
(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a
pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof,
and a histone deacetylase inhibitor.
In certain ments, ed herein are kits comprising one or more unit dosage
forms of a TOR kinase inhibitor, such as those described , and one or more unit dosage forms
of a second active agent, such as those described herein.
In certain embodiments, the kits provided herein further comprise instructions for use,
such as for administering a TOR kinase inhibitor and a second active agent, such as those described
herein.
. EXAMPLES
.1 CELL BASED ASSAYS
Compound 1 Combinatorial Effects with Second Active Agents in Breast Cancer
Cell Lines.
Anti-Proliferation Assay. Cells were thawed from a liquid nitrogen ved state.
Once cells expanded and divided at their expected doubling times, ing began. Cells were
seeded in growth media in 384-well tissue culture treated plates at cell densities as listed in Table 1.
58 (followed by 58A)
] Table 1: Breast cancer cell line panel
Cell Line Name Tumor Growth Media Cell Density
(cells/well)
BT-20 Carcinoma Eagles MEM with 10% FBS 500
BT-474 Carcinoma Hybri-Care with 10% FBS 500
BT-549 Carcinoma, Ductal RPMI with 10% FBS and 0.023 500
58A (followed by 59)
Cell Line Name Tumor Growth Media Cell Density
(cells/well)
IU/ml Bovine Insulin
HCC1187 Carcinoma, Ductal RPMI with 10% FBS 500
HCC-1428 Adenocarcinoma RPMI with 10% FBS 500
HCC1806 Carcinoma, Ductal RPMI with 10% FBS 500
7 Carcinoma, Ductal RPMI with 10% FBS 500
HCC70 Carcinoma, Ductal RPMI with 10% FBS 500
Carcinoma DMEM with 10% FBS and 500
HsT
0.01mg/ml Bovine Insulin
Adenocarcinoma Eagles MEM with 10% FBS 500
MCF7
and 0.01mg/ml Bovine Insulin
Carcinoma RPMI with 10% FBS (with 5% 500
MDA-MB-157
CO2)
Adenocarcinoma RPMI with 10% FBS (with 5% 500
MDA-MB-231
CO2)
Adenocarcinoma RPMI with 10% FBS (with 5% 500
MDA-MB-436
CO2) plus Supplements
Adenocarcinoma RPMI with 10% FBS (with 5% 500
MDA-MB-453
CO2)
Adenocarcinoma DMEM with 10% FBS (with 500
MDA-MB-468
% CO2)
0 Carcinoma, Ductal RPMI with 10% FBS 500
MDA-MB oma, Ductal RPMI with 10% FBS 500
Cells were equilibrated in assay plates via centrifugation and placed in
incubators attached to the Dosing Modules at 37 °C for twenty-four hours before treatment.
At the time of treatment, a set of assay plates (which did not receive treatment) were
collected and ATP levels were measured by adding ATP Lite (Perkin Elmer). These T zero
(T0) plates were read using ultra-sensitive luminescence on Envision Plate s. Treated
assay plates were incubated with compound (single compound or combination) for ytwo
hours. After seventy-two hours, platesweare developed for endpoint analysis using
ATPLite. All data points were ted via automated processes; quality controlled; and
analyzed. Assay plates were accepted if they passed the following quality control standards:
relative luciferase values were consistent hout the entire ment, Z-factor
weare r than 0.6, untreated/vehicle controls behaved consistently on the plate.
The calculation for synergy score is provided below.
Growth Inhibition (GI) was used as a measure of cell viability. The cell
viability of vehicle was measured at the time of dosing (T0) and after seventy-two hours (T72).
A GI reading of 0% represents no growth inhibition - cells treated with compound and T72
vehicle signals are matched. A GI 100% represents complete growth tion - cells treated
by compound and T0 vehicle signals are matched. Cell numbers have not increased during the
treatment period in wells with GI 100% and may suggest a cytostatic effect for nds
reaching a plateau at this effect level. A GI 200% represents complete death of all cells in the
culture well. Compounds reaching an activity u of GI 200% are considered cytotoxic.
GI is calculated by applying the following test and equation:
If T < V0 : -(T-V0)/V0]
If T ≥ V0 : 100*[1-(T-V0)/(V-V0)]
where T is the signal measure for a test article, V is the vehicle-treated control
measure, and V0 is the vehicle control measure at time zero. This formula is derived from the
Growth Inhibition calculation used in the National Cancer Institute’s NCI-60 high throughput
screen.
Synergy Score Analysis. Synergy scores were determined using the Chalice
Software (Zalicus Inc., Cambridge MA). Briefly, to measure combination effects in excess
of Loewe vity, a scalar measure to characterize the strength of istic interaction
termed the Synergy Score was used. The y Score is calculated as:
Synergy Score = log fX log FY∑max(0,Idata)(Idata – ILoewe)
wherein Idata is the observed tion at a given combination of drug concentrations.
The calculation for additivity is:
ILoewe that ies (X/XI) + (Y/YI) = 1,
where XI and YI are the single agent effective concentrations for the observed
ation effect I.
Activity observed in excess of Loewe additivity identifies potential synergistic
interaction.
The fractional inhibition for each component agent and combination point in
the matrix was calculated relative to the median of all vehicle-treated control wells. The
Synergy Score on integrates the experimentally -observed activity volume at each point
in the matrix in excess of a model surface numerically derived from the activity of the
ent agents using the Loewe model for additivity. Additional terms in the Synergy
Score on (above) were used to normalize for s dilution factors used for individual
agents and to allow for comparison of synergy scores across an entire experiment. The
inclusion of positive inhibition gating or an Idata multiplier removes noise near the zero effect
level, and biases results for synergistic interactions at that occur at high activity levels.
Self-Cross-Based ation Screen Analysis. Combinations where the
synergy score is greater than the mean self-cross plus two standard deviations (2σ’s) can be
considered candidate synergies at the 95% confidence level.
] In order to objectively ish hit criteria for the combination screen
analysis, twenty compounds were selected to be self-crossed across the seventeen cell line
panel as a means to empirically determine a baseline additive, non-synergistic se. The
identity of the twenty self-cross compounds was determined by selecting compounds with a
variety of maximum response values and single agent dose response steepness. Those drug
combinations which yielded effect levels that statistically superseded those baseline additivity
values were considered synergistic.
Compound 1 had varying activity across the seventeen cell line panel. For
each cell line, a three-fold, ten-point dose titration was performed in 384-well plate .
For cell lines where the GI50 reached inhibition levels of greater than fifty percent, the median
GI50 was 0.14 µM. Synergy scores for treatment of breast cancer cell line panel with
Compound 1 and second active agents are provided in Table 2. Synergy scores that exceed
the mean self-cross thresholds plus two standard deviations (2σ) are depicted in bold.
Conclusion: As can be seen in Table 2, Compound 1 in ation with
certain second active agents showed synergistic effects in multiple breast cancer cell lines .
Table 2: Effects of Compound 1 in combination with second active agents on
cell line colony ion of certain breast cancer cell lines. Synergy scores that exceed the
mean ross thresholds plus two standard deviations (2σ) are depicted in bold. Each data
point ents the mean of n = 3 ments in triplicate. ***p<0.001 vs theoretical
additivity by unpaired t test.
Cell Line Synergy Score Synergy Score Synergy Score Mean Self
Belinostat MS-275 Romidepsin Cross Score +
BT-20 9.26 5.84 8.00 3.23
BT-474 6.88 7.79 6.00 3.37
BT-549 9.09 11.80 12.00 3.94
87 4.60 7.64 6.10 4.80
HCC-1428 7.23 1.65 4.80 3.22
HCC-1500 4.58 2.18 4.80 4.17
Cell Line Synergy Score Synergy Score Synergy Score Mean Self
Belinostat MS-275 Romidepsin Cross Score +
HCC-1806 11.40 10.00 8.39 5.05
HCC-1937 14.50 9.75 12.50 2.89
HCC-70 10.10 9.37 6.74 3.45
HsT 7.48 8.44 9.01 4.09
MCF7 7.66 7.69 6.17 3.07
MDA-MB-157 7.58 8.10 5.71 4.68
MDA-MBVII 3.21 6.71 6.30 2.82
MDA-MB-231 12.40 11.70 9.27 2.61
MDA-MB-436 7.84 7.83 5.84 1.91
MDA-MB-453 14.80 14.60 13.80 2.99
MDA-MB-468 6.75 9.25 7.26 4.66
.2 COMPOUND 1 AND COMPOUND 2 COMBINATORIAL EFFECTS WITH
ROMIDEPSIN IN CANCER CELL LINES
Anti-Proliferation Assay. Combination treatment with Romidepsin and
Compound 1 or Compound 2 was evaluated in a romidepsin sensitive cell line (5637 –
bladder cancer) and a romidepsin resistant cell line (SKOV3 – n ). Cells were
thawed from a liquid nitrogen ved state. Once cells were expanded and divided at their
expected doubling times, ing began. Cells were seeded in their respective growth
media in 96-well tissue culture treated plates at 2000 cells/well and placed in incubators at 37
°C the night before treatment. At the time of treatment, a set of assay plates (which did not
receive treatment) were collected and ATP levels were measured by adding CellTiter-Glo
(Promega). These T zero (T0) plates were read using luminescence on Spectramax Plate
Readers. Treated assay plates were incubated with nd for seventy-two hours. After
seventy-two hours, plates were developed for nt analysis using CellTiter-Glo. The
calculation for synergy score is provided below.
Growth Inhibition (GI) was used as a measure of cell viability. The cell
viability of e was measured at the time of dosing (T0) and after seventy-two hours (T72).
A GI reading of 0% represents no growth inhibition - cells treated with compound and T72
vehicle signals are matched. A GI 100% ents complete growth inhibition - cells treated
by compound and T0 vehicle signals are d. Cell numbers did not increase during the
treatment period in wells with GI 100% and may suggest a atic effect for compounds
reaching a plateau at this effect level. A GI 200% represents complete death of all cells in the
culture well. Compounds reaching an activity plateau of GI 200% are considered cytotoxic.
GI is calculated by applying the following test and equation:
If T < V0 : 100*[1-(T-V0)/V0]
If T ≥ V0 : 100*[1-(T-V0)/(V-V0)]
] Where T is the signal measure for a test article, V is the vehicle-treated control
measure, and V0 is the e control measure at time zero. This formula is derived from the
Growth Inhibition ation used in the National Cancer Institute’s NCI-60 high throughput
screen.
The Bliss independence model was used to assess synergy in the following
experiment. We measured the reduction in cell growth, compared to vehicle d controls
after treatment with compounds A and B, and the combination of compounds A and B. The
Bliss independence model assumes that the fraction of cells unaffected by a combination of
two compounds equals the t of fraction of cells unaffected by the individual drugs:
FuAB= FuA x FuB
wherein Fu is fraction unaffected.
We next compared the expected compound effect to the ed compound
effect, and calculated the differences between the observed and the expected cell viability,
expressed as % of control. It the diffence was greater than 10%, the effect was considred
synergistic.
Table 3: Romidepsin combination ent with Compound 1 and
nd 2.
Cell Lines
5637(S) SKOV3(R)
Compound 1 16% 23%
Compound 2 19% 27%
Values = differences between ed and ed cell viability (% of
control).
Conclusion: Since the reduction of cell viability of Compound 1 and
Compound 2 is greater than expected according to the Bliss independence model, ism
was observed for the treatment with the combination of romidepsin and Compound 1 or
Compound 2.
A number of references have been cited, the disclosures of which are
incorporated herein by reference in their entirety. The ments disclosed herein are not
to be limited in scope by the ic embodiments disclosed in the examples which are
intended as illustrations of a few aspects of the disclosed embodiments and any embodiments
that are functionally equivalent are encompassed by the present disclosure. Indeed, various
cations of the embodiments disclosed herein are in addition to those shown and
described herein will become apparent to those skilled in the art and are intended to fall
within the scope of the appended claims.
Claims (28)
1. The use of 1-ethyl(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4- dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof and a histone deacetylase inhibitor in the manufacture of a medicament for the treatment of cancer.
2. The use of 1-ethyl(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4- dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically able salt, clathrate, solvate, stereoisomer, tautomer or ologue thereof in the manufacture of a medicament for the treatment of cancer, wherein the treatment comprises administration of 1-ethyl(2- methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof in ation with a e deacetylase inhibitor.
3. The use of a histone deacetylase inhibitor in the manufacture of a medicament for the ent of cancer, wherein the ent comprises administration of the histone deacetylase inhibitor in combination with1-ethyl(2-methyl(1H-1,2,4-triazol yl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue f.
4. The use of any one of claims 1-3, wherein the cancer is a cancer of the head, neck, eye, mouth, throat, esophagus, bronchus, larynx, pharynx, chest, bone, lung, colon, rectum, stomach, prostate, urinary bladder, uterine, cervix, breast, ovaries, testicles or other reproductive organs, skin, thyroid, blood, lymph nodes, kidney, liver, pancreas, and brain or central nervous system.
5. The use of any one of claims 1-4, n the cancer is a solid tumor.
6. The use of claim 5, n the solid tumor is a relapsed or refractory solid tumor.
7. The use of claim 5, n the solid tumor is an advanced solid tumor.
8. The use of claim 5, wherein the solid tumor is a neuroendocrine tumor, glioblastoma multiforme (GBM), hepatocellular carcinoma (HCC), breast cancer, colorectal cancer (CRC), salivary cancer, pancreatic cancer, adenocystic cancer, adrenal cancer, esophageal cancer, renal cancer, osarcoma, paraganglioma, head and neck squamous cell carcinoma, E-twenty six (ETS) pressing castration-resistant prostate cancer or E- twenty six (ETS) overexpressing Ewings sarcoma.
9. The use of any one of claims 1-8, wherein the cancer is a cancer associated with the pathways involving mTOR, PI3K, or Akt kinases.
10. The use of any one of claims 1-9, wherein the histone deacetylase inhibitor is Belinostat.
11. The use of any one of claims 1-9, wherein the histone deacetylase inhibitor is MS-275.
12. The use of any one of claims 1-9, n the e deacetylase inhibitor is Romidepsin.
13. A pharmaceutical composition comprising 1-ethyl(2-methyl(1H-1,2,4- lyl)pyridinyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, ate, solvate, stereoisomer, tautomer or isotopologue thereof, a histone deacetylase inhibitor, and a pharmaceutically acceptable carrier or vehicle.
14. A pharmaceutical composition of claim 13, which is suitable for oral, eral, mucosal, transdermal or topical administration.
15. A pharmaceutical composition of claim 13 or 14, which is in the form of tablets, chewable tablets, capsules, microcapsules, pills, solutions, parenteral solutions, troches, suppositories, granules, powder, injections, suspensions or syrups.
16. The pharmaceutical composition of any one of claims 13-15, wherein the e ylase inhibitor is Belinostat.
17. The pharmaceutical composition of any one of claims 13-15, wherein the histone deacetylase inhibitor is MS-275.
18. The pharmaceutical composition of any one of claims 13-15, wherein the histone ylase inhibitor is Romidepsin.
19. A kit comprising l(2-methyl(1H-1,2,4-triazolyl)pyridinyl)- 3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof, and a histone deacetylase inhibitor.
20. The kit of claim 19, wherein the kit comprises one or more unit dosage forms of 1-ethyl(2-methyl(1H-1,2,4-triazolyl)pyridinyl)-3,4-dihydropyrazino[2,3- b]pyrazin-2(1H)-one or a pharmaceutically acceptable salt, clathrate, solvate, stereoisomer, tautomer or isotopologue thereof, and one or more unit dosage forms of a histone deacetylase inhibitor.
21. The kit of claim 19 or 20, wherein the histone deacetylase inhibitor is Belinostat.
22. The kit of claim 19 or 20, n the histone ylase inhibitor is MS-275.
23. The kit of claim 19 or 20, wherein the histone ylase inhibitor is Romidepsin.
24. A use according to claim 1, substantially as herein described or exemplified.
25. A use according to claim 2, substantially as herein described or exemplified.
26. A use according to claim 3, ntially as herein described or exemplified.
27. A pharmaceutical composition according to claim 13, substantially as herein bed or exemplified.
28. A kit according to claim 19, substantially as herein described or exemplified. Signal ceuticals, LLC By Their Attorneys HENRY HUGHES Per:
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US201461980125P | 2014-04-16 | 2014-04-16 | |
US61/980125 | 2014-04-16 |
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