WO2019200594A1 - 酰化的glp-1衍生物 - Google Patents
酰化的glp-1衍生物 Download PDFInfo
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- WO2019200594A1 WO2019200594A1 PCT/CN2018/083789 CN2018083789W WO2019200594A1 WO 2019200594 A1 WO2019200594 A1 WO 2019200594A1 CN 2018083789 W CN2018083789 W CN 2018083789W WO 2019200594 A1 WO2019200594 A1 WO 2019200594A1
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- 0 C*C(C(O)=O)NC(*)=O Chemical compound C*C(C(O)=O)NC(*)=O 0.000 description 2
- GUBHYUUVSQXOBT-UHFFFAOYSA-N CC(C)(CC(C)(C)OCCOCCNC(C)(C)C(COCCOCCNC(C)(C)C(CCC(C(O)=O)NC)=O)=O)C(C)=N Chemical compound CC(C)(CC(C)(C)OCCOCCNC(C)(C)C(COCCOCCNC(C)(C)C(CCC(C(O)=O)NC)=O)=O)C(C)=N GUBHYUUVSQXOBT-UHFFFAOYSA-N 0.000 description 1
- OXGHFNQUUVTFQF-UHFFFAOYSA-N CC(C)(CCO)OCCNC(CCC(C(O)=O)NC)=O Chemical compound CC(C)(CCO)OCCNC(CCC(C(O)=O)NC)=O OXGHFNQUUVTFQF-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/575—Hormones
- C07K14/605—Glucagons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/542—Carboxylic acids, e.g. a fatty acid or an amino acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/02—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length in solution
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/30—Extraction; Separation; Purification by precipitation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/36—Extraction; Separation; Purification by a combination of two or more processes of different types
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
- A61K38/26—Glucagons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/107—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides
Definitions
- the invention belongs to the field of polypeptide technology.
- the invention relates to fatty acid modified derivatives of GLP-1 (7-37) polypeptide analogs.
- the present invention relates to a method for producing the peptide derivative, a medicament containing the peptide derivative, a use in the preparation of a medicament, and the like.
- Diabetes is a disorder of glucose metabolism caused by various factors such as genetics and environment. It has become the third major disease that threatens human health and life after cancer and cardiovascular and cerebrovascular diseases. Diabetes itself does not necessarily cause harm, but long-term blood sugar is increased, large blood vessels, micro-vessels are damaged and endanger the heart, brain, kidney, peripheral nerves, eyes, feet, etc. According to the World Health Organization, diabetes complications are as high as 100 kinds. One of the diseases with the most complications. More than half of the deaths due to diabetes are caused by cardiovascular and cerebrovascular diseases, and 10% are caused by nephropathy. Amputation due to diabetes is 10 to 20 times that of non-diabetes. To treat diabetes and prevent its complications is a social issue that is crucial.
- Diabetes can be divided into several types due to different mechanisms of disease. Most of them belong to type 2 diabetes (about 90%), mainly due to overweight and lack of physical activity. Patients with type 2 diabetes often have abnormalities in insulin resistance and insufficient insulin secretion. Apoptosis of islet ⁇ cells often occurs in the middle and late stages of the disease. At present, the mechanism of action of oral hypoglycemic agents used in clinical practice is to enhance insulin sensitivity, or to promote insulin secretion to stabilize blood sugar, and the problem of ⁇ -cell apoptosis cannot be solved.
- Glucagon-like peptide-1 (GLP-1) and its analogues have been used to treat type 2 diabetes by slowing the apoptosis of ⁇ -cells, enhancing their regeneration, and promoting the differentiation and proliferation of islet ⁇ cells. Focus.
- glucagon-like peptide-1 BELL G I, SANCHEZ-
- PG proglucagon
- PESCADOR R LAYBOURN P J, et al. Exon duplication and divergence in the human preproglucagon gene [J]. Nature, 1983, 304 (5924): 368-371).
- the PG gene sequence consists of 6 exons and 5 introns and contains 3 major domains: glucagon (33-61), GLP-1 (72-108) and GLP-2 (126 ⁇ ). 158).
- the mRNA of PG is expressed in pancreatic A cells, intestinal L cells and brain, and specific translational modifications are made in these tissue cells to finally form different end products.
- GLP-1 analogue is a polypeptide hormone secreted by Langerhans's cell in the terminal jejunum, ileum and colon. It has glucose-dependent insulin secretion and biosynthesis, inhibits glucagon secretion and It inhibits various functions such as gastric emptying.
- GLP-2 analogues are synthesized in the intestinal tissue and in the brainstem and hypothalamic neurons of the central nervous system, mainly promoting the growth of normal small intestine and repairing intestinal mucosal damage (Fu Gang, Gong Yu, Xu Weiren. Pancreas Research progress of glucagon-like peptide 1 and its receptor agonist [J]. Tianjin Medicine, 2012, 40 (2): 181-184.).
- GLP-1 is an endogenous hormone that promotes insulin secretion, mainly secreted by intestinal L-cells, and plays a role in balancing insulin and glucose levels.
- GLP-1 histidine (His)-asparagine (Asn)-glutamic acid (Glu)-phenylalanine (Phe)-glutamic acid (Glu)-arginine (Arg - histidine (His)-alanine (Ala)-glutamic acid (Glu)-glycine (Gly)-threonine (Thr)-phenylalanine (Phe)-threonine (Thr)- Serine (Ser)-aspartic acid (Asp)-valine (Val)-serine (Ser)-serine (Ser)-tyrosine (Tyr)-leucine (Leu)-glutamic acid (Glu) - glycine (Gly)-glutamine (Gln)-alanine (Ala)-alanine (Ala)-lysine (Lys)-glutamic acid (Glu)-phenylalanine (Phe)-iso Leucine (Ile)
- DDP-IV can rapidly degrade histidine (H)-alanine (A) at the 7th to 8th positions of the N-terminus.
- DDP-IV mainly acts as a peptide chain end hydrolase, and the 8th position is alanine or guanidine.
- Acid which degrades and rapidly inactivates GLP-1 (AERTGEERTS K, YE S, TENNANT MG, et al.Crystal structure of human dipeptidyl peptidase IV in complex with a dipeptide peptidase reveals details on substrate specificity and Tetrahedral intermediate [J]. Protein Sci, 2004, 13(2): 412-421).
- SARRAUSTE DE MENTHIERE and other GLP-1 models were constructed to observe the changes in affinity and intrinsic activity of GLP-1 analogues and receptors after amino acid substitution.
- the histidine at position 7 is the determinant of affinity and intrinsic activity.
- the ring is smaller than tryptophan and does not have any polar substituents; the polar group in the alanine side chain at the 8th position affects the activity of GLP-1, and the volume of the side chain cannot be too large, beyond a certain limit.
- the activity will decrease; when glutamic acid at position 9 is replaced by certain amino acids, such as acidic, polar and hydrophobic amino acids, the activity does not change, and the activity is decreased or even inactivated when replaced with basic amino acids; GLP-1 Binding to the receptor, if the amino acid residue has an ionic bond, it occurs between amino acids 7-15, forming a ring structure, and Ala8-Glu9-Gly10-Thr11 forms a ⁇ -turn, making the 7th position Three aromatic nucleuses, such as histidine, phenylalanine at position 12, and tyrosine at position 19, interact with the hydrophobic pockets of aromatic clusters present on the receptor, presumably they Activate the role of the receptor; on the 22nd Amino acid glycine is a flexible, flexible connection play role in maintaining the coiled-coil shape.
- amino acids such as acidic, polar and hydrophobic amino acids
- Destruction of glycine causes all aromatic amino acids to be clustered, but the affinity for the receptor is reduced by 1/40 (SARAUSTE DE MENTHIEREC, CHAVANIEUA, GRASSYG, et al.Structural requirements of the N-terminal region of GLP-1-[7- 37]-NH 2 for receptor interaction and cAMP production [J]. Eur J Med Chem, 2004, 39(6): 473-480).
- GLP-1 includes molecular forms such as GLP-1 (1-37), GLP-1 (1-36), GLP-1 (7-37) glycine derivatives, and GLP-1 (7-36) NH 2 . It is generally believed that the latter two have the same biological activity. GLP-1 (1-37) secreted by intestinal mucosal L cells is inactive and requires further hydrolysis to excise the N-terminal 6 amino acids to become active GLP-1 (7-37). GLP-1 (7-37) is present in the body for a short period of time and is rapidly degraded. Accordingly, various studies have been conducted on GLP-1 analogs having anti-DPP IV. For example, U.S. Patent No.
- 5,554,618 describes the modification of the N-terminus with an alkyl group or an acyl group
- Gallwitz et al. describe the seventh-position His for N. Methylation or a methylation, or substitution of imidazole with the entire His to increase resistance to DPP-IV and maintain physiological activity.
- the GLP-1 analogue exendin-4 (US Pat. No. 5,424,686) purified from the salivary glands of the Hieratolus has resistance to DPP IV and is higher than GLP-1. Physiological activity. Therefore, it has an in vivo half-life of 2 to 4 hours longer than the half-life of GLP-1.
- DPP IV resistance is applied, physiological activity cannot be sufficiently maintained, and in the case of using commercially available exenatide, it requires injection twice a day to the patient, which It is still very painful for the patient.
- insulinotropic peptides have a small molecular weight and are therefore rapidly excreted from the kidneys.
- Some scientists have used chemical methods to add high solubility polymers such as polyethylene glycol to the surface of peptides to inhibit their loss in the kidney.
- U.S. Patent No. 692,464 describes the binding of PEG to the lysine residue of Exendin-4 to increase its residence time in vivo.
- this method while increasing the residence time of the peptide drug in vivo, With the increase in molecular weight, the concentration of the peptide drug is significantly reduced, and the reactivity to the peptide is also lowered.
- WO 96/29342 discloses peptide hormone derivatives modified by introducing a lipophilic substituent at the C-terminal amino acid residue of the parent peptide hormone or at the N-terminal amino acid residue.
- WO 98/08871 discloses a GLP-1 derivative (liraglutide) in which at least one amino acid residue of a parent peptide is linked to a lipophilic substituent.
- WO 99/43708 discloses lipophilic substituents GLP-1 (7-35) and GLP-1 (7-36) derivatives having an amino acid residue linked to the C-terminus.
- WO 00/34331 discloses bisacylated GLP-1 analogs.
- WO 00/69911 discloses activated insulinotropic peptides for injection, which are believed to react with blood components to form conjugates in patients, prolonging the duration of action in vivo.
- WO2006/097537 discloses another acylated GLP-1 analogue (semaglutide) having a mutated amino acid at position 8 to an unnatural amino acid, compared to the acylated GLP-1 (liraglutide) of WO 98/08871 Longer half-life.
- WO 02/046227 discloses the use of genetic recombination techniques to prepare fusion proteins by binding GLP-1, Exendin-4 or an analog thereof to human serum albumin or immunoglobulin region (Fc), which can be solved, for example, by polyethylation
- the diolization yields are low and non-specific, but their effect on increasing half-life in blood is still not as significant as expected.
- various types of peptide connectors have been tried, but the problem faced by this method is that it may cause an immune response.
- CN107033234A discloses a fatty acid modified conjugate of a GLP-1 analog, the fatty acid modification site being on Lys 26 , which can suitably prolong the in vivo action time of the GLP-1 analogue, but the prolonged time is still not ideal.
- Exenatide-4 isolated from lizard saliva, and human GLP-1 similar to fatty acid, antibody Fc fragment or serum albumin modification. Things.
- the half-life of Exenatide-4 is too short, only 2-4 hours, requiring at least two injections a day.
- Novo Nordisk's fatty acid-modified liraglutide is most effective in reducing hemoglobin glycosylation with fewer side effects, but the disadvantage is that the in vivo half-life is only 13 hours and requires daily dosing.
- amino acid sequence mutants and modified long-acting GLP-1 analogs such as FC, fatty acid or albumin have been developed.
- FC fatty acid
- albumin such as Lula Rubide from Lilly and the Semaglutide from Novo Nordisk.
- the half-life of these long-acting GLP-1 analogs in humans can be extended to varying degrees, up to the frequency of dosing once a week. Since GLP-1 analogs require long-term injection administration, attempts have been made to find longer-acting drugs to further improve patient compliance.
- the inventors of the present application have developed a new GLP-1 analogue and its derivative after long-term research, under the same experimental conditions, compared with the currently recognized best drug somaglutide, in ordinary small In the mouse and diabetic mouse models, the duration of hypoglycemic activity in the body can be increased by about 1 time, meaning that administration can be achieved in the human body at least weekly intervals, even every two weeks or longer intervals. Frequency has a significant application prospect.
- the present invention provides a derivative of a GLP-1 (7-37) analog, or a pharmaceutically acceptable salt thereof, wherein the GLP-1 analogue comprises an amino acid sequence of the following formula Peptide:
- HVEGTFTSDVSSX 19 LEEX 23 AAX 26 X 27 FIX 30 WLVX 34 GX 36 X 37
- X 19 is Y or K
- X 23 is Q or K
- X 26 is R or K
- X 27 is E or K
- X 30 is A or K
- X 34 is R or K
- X 36 is R or K
- X 37 is G or K
- the derivative comprises an extension joined to the K residue, wherein the extension is
- x is an integer from 4 to 38.
- the extension is preferably: HOOC(CH 2 ) 14 CO-, HOOC(CH 2 ) 15 CO-, HOOC(CH 2 ) 16 CO-, HOOC(CH 2 ) 17 CO-, HOOC(CH 2 ) 18 CO -, HOOC(CH 2 ) 19 CO-, HOOC(CH 2 ) 20 CO-, HOOC(CH 2 ) 21 CO- and HOOC(CH 2 ) 22 CO-, more preferably HOOC(CH 2 ) 16 CO-.
- the extension of a derivative of a GLP-1 analogue of the invention, or a pharmaceutically acceptable salt thereof, is linked to the K residue of GLP-1 via a linker.
- the joint may be of the following structure:
- n 0, 1, 2 or 3
- n 1, 2 or 3
- s is any integer from 0 to 6
- p is an arbitrary integer from 1 to 8.
- the joint is:
- the joint is:
- n 1 or 2.
- the invention also relates to GLP-1 (7-37) analogs, the analogs comprising
- HVEGTFTSDVSSX 19 LEEX 23 AAX 26 X 27 FIX 30 WLVX 34 GX 36 X 37 sequence, which contains a mutation selected from one or more of the following positions:
- the amino acid residue at position 19 is Y or K
- the amino acid residue at position 23 is Q or K
- the amino acid residue at position 27 is E or K
- the amino acid residue at position 30 is A or K
- the 34th amino acid residue is R or K
- the 36th amino acid residue is R or K
- the 37th amino acid residue is G or K, provided that the 19th, 23rd, 27th, and 30th positions Only one of the 34, 36 or 37 bits can be a K residue.
- the acylated derivative of the above GLP-1 analog can obtain a longer duration of hypoglycemic activity in mice and inhibit OGTT in diabetic mice compared to the same acylated GLP-1 product somaglutide.
- the rate effect is significantly better than somatoglutide.
- the GLP-1 (7-37) analog of the present invention can be produced by a method comprising expressing a DNA sequence encoding the polypeptide in a host cell under conditions allowing expression of the peptide, and then recovering the produced peptide.
- the medium used to culture the cells may be any conventional medium for culturing the host cells, such as a minimal medium or a complex medium containing suitable additives.
- a suitable medium can be obtained by commercially available or a suitable medium can be prepared according to the published method.
- the polypeptide produced by the host cell can then be recovered from the culture medium by a conventional method, for example, the supernatant of the supernatant or the protein component in the filtrate is precipitated with a salt such as ammonium sulfate, and various chromatographic methods are selected depending on the kind of the peptide of interest. Further purification is carried out by exchange chromatography, gel filtration chromatography, affinity chromatography or the like.
- the above-described coding DNA sequence can be inserted into any suitable vector.
- the choice of vector will often depend on the host cell into which the vector is to be introduced.
- the vector may be an autonomously replicating vector, i.e., a vector that exists as an extrachromosomal entity, the replication of which is independent of chromosomal replication, such as a plasmid.
- the vector may be of a type which, when introduced into a host cell, will integrate into the host cell genome and replicate along with the chromosome into which it is integrated.
- the vector is preferably an expression vector in which the DNA sequence encoding the peptide is operably linked to other segments required for transcription of the DNA, such as a promoter.
- promoters suitable for directing transcription of DNA encoding the peptides of the invention in a variety of host cells are well known in the art, see, for example, Sambrook, J, Fritsch, EF and Maniatis, T, Molecular Cloning: A Guide to Experimental Procedures, Cold Spring Harbor Laboratory Press, New York, 1989.
- the vector may also contain a selection marker, such as a gene whose gene product will compensate for a defect in the host cell or confer a drug such as ampicillin, doxorubicin, tetracycline, chloramphenicol, neomycin Resistance to streptomycin or methotrexate.
- a selection marker such as a gene whose gene product will compensate for a defect in the host cell or confer a drug such as ampicillin, doxorubicin, tetracycline, chloramphenicol, neomycin Resistance to streptomycin or methotrexate.
- a secretion signal sequence (also referred to as a leader sequence) can be provided in the recombinant vector.
- the secretion signal sequence is ligated in the correct reading frame to the DNA sequence encoding the peptide.
- the secretion signal sequence is usually located on the 5' side of the DNA sequence encoding the peptide.
- the secretion signal sequence may be a secretion signal sequence that is normally linked to the peptide, or may be derived from a gene encoding another secreted protein.
- the host cell into which the DNA sequence or recombinant vector is introduced may be any cell capable of producing the peptide of the present invention, including bacteria, yeast, fungi, and higher eukaryotic cells.
- suitable host cells include, but are not limited to, E. coli, Saccharomyces cerevisiae, or mammalian BHK or CHO cell lines.
- the present invention relates to a pharmaceutical or pharmaceutical composition
- a pharmaceutical or pharmaceutical composition comprising the above-mentioned GLP-1 (7-37) analog, and to the use of the analog in the preparation of a medicament, for example, in the preparation of a prophylactic or therapeutic diabetes (preferably type 2 diabetes), diabetes complicated Use in diseases such as diabetic nephropathy, diabetic heart disease, drugs that lower blood sugar or increase glucose tolerance.
- a prophylactic or therapeutic diabetes preferably type 2 diabetes
- diabetes preferably type 2 diabetes
- diabetes complicated Use in diseases such as diabetic nephropathy, diabetic heart disease, drugs that lower blood sugar or increase glucose tolerance.
- the invention also relates to the prevention or treatment of diabetes (preferably type 2 diabetes) by administering to a subject a GLP-1 (7-37) analog or a derivative of the above GLP-1 (7-37) analog , diabetes complications (such as diabetic nephropathy, diabetes heart disease), ways to lower blood sugar or increase glucose tolerance.
- diabetes preferably type 2 diabetes
- diabetes complications such as diabetic nephropathy, diabetes heart disease
- the present invention also relates to the above-mentioned GLP-1 (7-37) analog or a derivative of the above GLP-1 (7-37) analog in the preparation of a prophylactic or therapeutic diabetes (preferably type 2 diabetes), diabetic complications (For example, diabetic nephropathy, diabetic heart disease), use in drugs that lower blood sugar or increase glucose tolerance.
- a prophylactic or therapeutic diabetes preferably type 2 diabetes
- diabetic complications For example, diabetic nephropathy, diabetic heart disease
- the invention features a pharmaceutical composition, article or kit comprising the above-described GLP-1 (7-37) analog.
- the invention further relates to a pharmaceutical composition, article or kit comprising a derivative of the above GLP-1 (7-37) analog.
- the pharmaceutical composition of the present invention comprises, in addition to the active ingredient GLP-1 (7-37) analog or a derivative of the GLP-1 (7-37) analog or a salt thereof, a pharmaceutically acceptable adjuvant.
- Pharmaceutically acceptable excipients such as non-toxic fillers, stabilizers, diluents, carriers, solvents or other formulation excipients are well known to those skilled in the art.
- diluents such as microcrystalline cellulose, mannitol, etc.
- fillers such as starch, sucrose, etc.
- binders such as starch, cellulose derivatives, alginates, gelatin and/or polyethylene Pyrrolidone
- a disintegrating agent such as calcium carbonate and/or sodium hydrogencarbonate
- an absorption enhancer such as a quaternary ammonium compound
- a surfactant such as cetyl alcohol
- a carrier a solvent such as water, physiological saline, kaolin, soap clay, etc.
- Lubricants such as talc, calcium/magnesium stearate, polyethylene glycol, and the like.
- the pharmaceutical composition of the present invention is preferably an injection.
- the present invention also relates to a method of reducing islet ⁇ -cell apoptosis, enhancing islet ⁇ -cell function, increasing islet ⁇ -cell number, and/or restoring glucose sensitivity of islet ⁇ -cells, including administering a subject in need thereof An effective amount of the above analog, derivative or drug, pharmaceutical composition.
- the present invention also relates to the preparation of the above analogs, derivatives or drugs, pharmaceutical compositions for reducing islet ⁇ -cell apoptosis, enhancing islet ⁇ -cell function, increasing islet ⁇ -cell number and/or restoring islet ⁇ -cell glucose sensitivity Use in sexual drugs.
- a GLP-1 (7-37) polypeptide, a GLP-1 (7-37) polypeptide analog, and a GLP-1 (7-37) analog are used interchangeably to indicate an amino acid sequence: HVEGTFTSDVSSX 19 LEEX 23 AAX 26 X 27 FIX 30 WLVX 34 GX 36 X 37 polypeptide, wherein X 19 is Y or K, X 23 is Q or K, X 26 is R or K, X 27 is E or K, X 30 is A or K, X 34 is R or K, X 36 is R or K, and X 37 is G or K.
- the GLP-1 (7-37) polypeptide analog forms a derivative of the GLP-1 (7-37) polypeptide analog by attachment to an extension.
- the invention relates to acylated derivatives of GLP-1 (7-37) analogs.
- the acylated derivative not only has a remarkable therapeutic effect, but also has an in vivo activity duration of about 1 time higher than that of the currently recognized best drug somaglutide, meaning that at least weekly can be achieved in the human body. The frequency of dosing administered at intervals, even at intervals of two or more weeks.
- a derivative of the GLP-1 (7-37) analog of the present invention, an acylated derivative of the GLP-1 (7-37) analog, a GLP-1 (7-37) derivative, and a GLP-1 derivative may be mutually Change to use.
- the present invention is also a process for the preparation of the above derivative or a pharmaceutically acceptable salt thereof, comprising:
- the above method comprises adding triethylamine to a solution of the GLP-1 analog.
- the extension e.g., fatty acid
- the extension is a solution in which acetonitrile is dissolved.
- An exemplary preparation method of the present invention comprises (1) providing a GLP-1 (7-37) analog solution, adjusting the pH to 9-12;
- the present invention relates to a preparation of a pharmaceutical composition comprising a derivative of GLP-1 (7-37) analog or a pharmaceutically acceptable salt thereof.
- a derivative of the invention comprising a GLP-1 (7-37) analog, or a pharmaceutically acceptable salt thereof, is present at a concentration of from 0.1 mg/ml to 25 mg/ml, preferably at 0.1 mg/ml It is present at a concentration of 10.0 mg/ml.
- the pharmaceutical composition has a pH of from 3.0 to 9.0.
- the pharmaceutical composition may further comprise a buffer system, a preservative, a surface tensioning agent, a chelating agent, a stabilizer, and a surfactant.
- the medicaments or formulations of the invention are aqueous medicaments or formulations, for example, they may generally be solutions or suspensions.
- the medicament or formulation is a stable aqueous solution.
- the medicament or formulation is a lyophilized formulation to which a solvent and/or diluent is added prior to use.
- the invention further relates to a kit or kit comprising the above pharmaceutical composition, formulation, medicament.
- a kit or kit comprising the above pharmaceutical composition, formulation, medicament.
- other drugs, pharmaceutical compounds or compositions which can be used in combination with the pharmaceutical composition, preparation, or drug for example, the other drugs and drug compounds are included.
- the composition may be selected from the group consisting of anti-diabetic drugs, drugs for treating and/or preventing complications caused by or associated with diabetes.
- drugs include: insulin, sulfonylureas, biguanides, meglitinides, glucosidase inhibitors, glucagon antagonists, inhibitors of liver enzymes involved in stimulating gluconeogenesis and/or glycogenolysis , glucose uptake regulator, NPY antagonist, PYY agonist, PYY2 agonist, PYY4 agonist, TNF agonist, cortisol releasing factor agonist, 5HT, bombesin agonist, gangliopeptide antagonist, growth hormone , thyroid stimulating hormone releasing hormone agonist, TR ⁇ agonist; histamine H3 antagonist, lipase/amylase inhibitor, gastric inhibitory polypeptide agonist or antagonist, gastrin and gastrin analog, and the like.
- the pharmaceutical compositions, formulations, medicaments, and other drugs, pharmaceutical compounds, or compositions of the invention are each placed in separate containers.
- the present invention also relates to a method for preventing or treating diabetes (preferably type 2 diabetes), diabetic complications (such as diabetic nephropathy, diabetic heart disease), comprising administering to a subject in need thereof the above-mentioned analog, derivative or drug, a pharmaceutical composition, wherein the analog, derivative or drug, pharmaceutical composition is used in combination with other drugs, pharmaceutical compounds or compositions, for example, the other drug, pharmaceutical compound or composition may be selected from an anti-diabetic drug, A medicament for treating and/or preventing complications caused by or associated with diabetes.
- diabetes preferably type 2 diabetes
- diabetic complications such as diabetic nephropathy, diabetic heart disease
- drugs include: insulin, sulfonylureas, biguanides, meglitinides, glucosidase inhibitors, glucagon antagonists, inhibitors of liver enzymes involved in stimulating gluconeogenesis and/or glycogenolysis , glucose uptake regulator; CART agonist, NPY antagonist, PYY agonist, PYY2 agonist, PYY4 agonist, TNF agonist, cortisol releasing factor agonist, 5HT, bombesin agonist, ganglion peptide antagonism Agent, growth hormone, thyroid stimulating hormone releasing hormone agonist, TR ⁇ agonist; histamine H3 antagonist, lipase/amylase inhibitor, gastric inhibitory polypeptide agonist or antagonist, gastrin and gastrin analog Wait.
- the diabetes is type 2 diabetes or diabetic nephropathy.
- the "diabetic complication" as used in the present invention refers to damage or dysfunction of other organs or tissues of the body caused by poor glycemic control during diabetes, including damage or function of the liver, kidney, heart, retina, nervous system. Obstacles and so on.
- the complications of diabetes can be divided into five aspects: 1. Cardiovascular disease: including microvascular disease on the heart and large blood vessels, myocardial lesions, cardiac autonomic neuropathy, the leading cause of death in diabetic patients. 2. Cerebrovascular disease: refers to intracranial large blood vessels and microvascular lesions caused by diabetes, mainly manifested as cerebral arteriosclerosis, ischemic cerebrovascular disease, cerebral hemorrhage, brain atrophy. 3.
- Renal vascular disease The main form is diabetic nephropathy, which is one of the most important complications of diabetes patients. 4. Lower extremity arterial disease: mainly manifested as diabetic foot. 5. Fundus microvascular disease: mainly manifested as diabetic retinopathy.
- FIG 1 shows the hypoglycemic effect of different GLP-1 derivatives on ICR mice.
- the 6-His tag, the SUMO tag and the Val 8 Glu 22 Lys 23 Arg 26,34 -GLP-1 (7-37) coding gene sequence (SEQ ID NO: 7) were sequentially fused in tandem, and the gene was obtained by chemical synthesis. Fragment (SEQ ID NO: 18). The above fragment was inserted into the prokaryotic expression plasmid pET-24(+) by BamHI and XhoI sites and verified by sequencing. The resulting expression plasmid for transformation assay was designated pET-24(+)-His-SUMO-Val 8 Glu 22 Lys 23 Arg 26,34 -GLP-1 (7-37).
- Val 8 Glu 22 Lys 26 Arg 34 -GLP-1 (7-37) ( gene encoding SEQ ID NO: 3), Val 8 Glu 22 Lys 30 Arg 26,34 -GLP-1 (7 -37) (coding gene is SEQ ID NO: 11), Val 8 Glu 22 Lys 19 Arg 26, 34 - GLP-1 (7-37) (coding gene is SEQ ID NO: 5), Val 8 Glu 22 Lys 27 Arg 26,34 -GLP-1 (7-37) (coding gene is SEQ ID NO: 9), Val 8 Glu 22 Lys 34 Arg 26 -GLP-1 (7-37) (coding gene is SEQ ID NO: 13 ), Val 8 Glu 22 Arg 26,34 Lys 36 -GLP-1 (7-37) (coding gene is SEQ ID NO: 15), Val 8 Glu 22 Arg 26, 34 Lys 37 -GLP-1 (7-37) (The corresponding gene encoding the gene is SEQ ID NO: 17).
- Expression of the fusion protein was carried out using the DNA construction described in Example 1, and the target protein was obtained by expressing the cell BL21 (Trabs Gen Biotech., catalog #CD601). 50 ⁇ l of BL21 competent cells were thawed on an ice bath, DNA of interest was added, gently shaken, and left in an ice bath for 30 minutes. Then heat in a 42 ° C water bath for 30 seconds, then quickly transfer the tube to the ice bath for 2 minutes, do not shake the tube. 500 ⁇ l of sterile LB medium (without antibiotics) was added to the centrifuge tube, mixed and placed at 37 ° C, and cultured at 180 rpm for 1 hour to resuscitate the bacteria.
- bacterial solution (expressing GLP-1 bacterial solution) was added to 50 ml of LB medium, and 50 ⁇ l of kanamycin was added thereto, mixed, and placed in a 30 ° C constant temperature shaker, and inoculated overnight. 10 ml of the overnight inoculum was added to 1000 ml of LB medium while 1000 ⁇ l of kanamycin was added. After shaking, the cells were placed in a 37 ° C shaker at 200 rpm. After inoculation for 4 hours, IPTG was added to the medium at a final concentration of 0.1 mol/L, shaken, placed in a shaker at 30 ° C, and induced to express overnight at 180 rpm. The overnight expressed bacterial solution was centrifuged at 13,000 g for 60 min. The bacterial cell yield is about 4g bacteria/L fermentation broth, and the expression of the target protein by SDS-PAGE is about 40%.
- 100 g of the cell slurry was weighed and resuspended in 500 ml of 50 mM Tris-HCl, pH 8.0, 50 mM NaCl, and sonicated for 30 min in an ultrasonic cell pulverizer to disrupt the cells.
- the homogenate was centrifuged at 13,000 g for 60 min at 4 ° C. After centrifugation, the supernatant was collected and the sample was a Ni column chromatography.
- the resulting supernatant was concentrated by Chelating Sepharose FF previously equilibrated with 50 mM Tris-HCl, pH 8.0, 500 mM NaCl, 10 mM imidazole (Equilibration 1). After the equilibration solution 1 was rinsed, it was further eluted with 50 mM Tris-HCl, pH 8.0, 50 mM NaCl, 0.3 M imidazole (eluent). The purity of the GLP-1 intermediate produced by the above purification process was higher than 70% by SDS-PAGE analysis.
- the Sumo tag sequence was excised using the ULP enzyme: the intermediate product was diluted three times by adding 20 mM PB, pH 7.4 buffer, and mixed with ULP according to ULP enzyme: intermediate product 1:150 at 4 ° C, and then cleaved overnight.
- the enzyme digestion rate was nearly 100% by SDS-PAGE.
- GLP-1 analogue The product obtained after digestion was concentrated by Tosoh Butyl 550C medium previously equilibrated with 20 mM Na 2 HPO 4 , 0.7 M NaCl (equilibrium solution 2). After the equilibration solution 2 was rinsed, it was eluted with 20% ethanol, and the purity by SDS-PAGE was about 90%.
- Fatty acid modification Water was added to the precipitate of Val 8 Glu 22 Lys 23 Arg 26, 34 -GLP-1 (7-37) prepared and collected in the above examples to prepare a 4-6 mg/ml solution, and 1 M hydroxide was added. The sodium was adjusted to pH 11.0-11.5, shaken to completely dissolve the protein, and the polypeptide concentration was quantified by HPLC. The fatty acid powder was weighed into acetonitrile at a molar ratio of 1:4 to the fatty acid (structure as follows). To the polypeptide solution, triethylamine in a volume of two thousandths was added and mixed with the fatty acid solution, and the mixture was allowed to stand at 4 ° C for one hour.
- the sample was diluted with water 5 times, the pH was adjusted to 4.8 with 1 M citric acid (or 10% acetic acid) to terminate the reaction, and the acid solution was allowed to stand at 4 ° for 10 min, after centrifugation, centrifuged 13000 g, centrifuged at 4 ° C for 30 min, and the precipitate was placed at -80. °C save.
- TFA was added to the acid precipitation sample to a final concentration of about 10 mg/ml of the polypeptide.
- the precipitate was dissolved by shaking, left to stand at room temperature for 30 min, and 4 M NaOH was added dropwise to the reaction solution to adjust the pH to 7.5. -8.5 Terminate the reaction.
- the reaction solution was stopped at a flow rate of 4 ml/min, and pumped into UniSil10-120C18 (purchased from Suzhou Na.) previously equilibrated with 10 mM ammonium acetate and 20% ethanol (equilibration solution 3). Micro Technology Co., Ltd.) is concentrated. After the equilibration solution 3 was rinsed, it was further eluted with a gradient of 0-100% eluent (10 mM ammonium acetate, 80% ethanol), and the eluted peak was collected by RP-HPLC to a purity of about 90%.
- the elution peak was diluted 3 times with water, the acid was adjusted to pH 4.80, and the acid was precipitated at 4 ° C for 30 min. After centrifugation, the precipitate was reconstituted by adding PBST buffer (pH 7.0), and then frozen at -80 °C.
- RIN-m5F cells in good culture were selected.
- the cells were collected, counted, and RPMI1640 base medium was used to prepare a cell suspension of 1 ⁇ 10 5 cells/ml.
- the cell suspension was seeded in a 96-well cell culture plate at 100 ⁇ l per well, and cultured overnight at 37 ° C under 5% CO 2 .
- the activity was detected by the promega detection kit: the diluted sample of the culture medium (Aib, M0, M1, M2, M3, M4, M5, M6, M7) was prepared to 300 ng/ml, and then subjected to 3-fold gradient dilution in a 96-well plate. A total of 8 concentrations, 2 duplicate wells per dilution. M0, M1, M2, M3, M4, M5, M6, M7 were prepared as described above.
- Aib is
- the prepared cell plate was taken out, the medium was discarded, and the filter paper was blotted dry.
- the sample solution was correspondingly transferred into the cell plate at 40 ⁇ l/well.
- the lid was opened for 15 min at 37 ° C under 5% CO 2 .
- the cell culture plate was taken out from the incubator, 10 ⁇ l of CD solution (Promega kit) was added to each well, and the cell plate was placed at 22 ° C - 25 ° C and shaken at 500 rpm for 20 min.
- 50 ⁇ l of KG solution (Promega kit) was added to each well, and the mixture was shaken at a temperature of 22 ° C to 25 ° C and 500 rpm for 10 min.
- the chemiluminescence values were read using a Molecular Devices SpectraMax L chemiluminometer and the assay was completed in 30 min.
- Sample EC50 was calculated using a four parameter regression in softmax Pro software software.
- mice Twenty-eight healthy CD-1 female mice, aged 4-6 weeks, were divided into 4 groups, subcutaneously injected with M2, M4, M0 and somaglutide (Aib) at a dose of 0.15 mg/kg body weight.
- 20% glucose was administered at intervals of 6h, 1 day, 2 days, 3 days and 4 days after the administration, the dose was 2g/kg body weight, fasted for 6h before sugar feeding, and 0 after sugar feeding.
- blood was taken from the tip of the tail, and the blood glucose level was measured in real time using Roche blood glucose test paper, and the blood glucose AUC (area under the blood glucose to time curve) was calculated within 0 to 120 minutes, and the blood glucose suppression rate was calculated (Table 3).
- hypoglycemic activity of somaglutide in normal mice lasted about 2 days
- hypoglycemic activity of M0 in normal mice lasted about 3 days
- M2 and M4 were in normal mice.
- the hypoglycemic activity still showed significant activity on the fourth day, and the time to maintain the sustained hypoglycemic activity in the body was significantly longer than that of the somaglutide or M0, and the hypoglycemic effect of M2 and M4 at each time point after the third day of administration. Also significantly stronger than somaglutide or M0.
- mice Twenty-eight healthy CD-1 female mice, aged 4-6 weeks, were divided into 4 groups, subcutaneously injected with M4, M5, M7 and M0, respectively at a dose of 0.15 mg/kg body weight.
- 20% glucose was administered at intervals of 6h, 1 day, 2 days, 3 days and 4 days after the administration, the dose was 2g/kg body weight, fasted for 6h before sugar feeding, and 0 after sugar feeding.
- blood glucose was taken from the tip of the tail and blood glucose was measured in real time using Roche blood glucose test paper, and blood glucose AUC (area under blood glucose to time curve) was calculated within 0 to 120 minutes, and the blood glucose suppression rate was calculated (Table 4).
- ICR mouse OGTT test 30 ICR mice aged 4-6 weeks were divided into 6 groups, 5 rats/group, subcutaneously injected with M0, somaglutide, M2, M4, M5 and M7, respectively.
- 1d, 2d, 3d, 4d, 5d, 20% glucose was administered daily, the dose was 2g/kg body weight, fasted for 6h before sugar, and 0, 0.5, 1, 2 hours after sugar supply. Blood was taken from the tip of the tail and blood glucose was measured in real time using Roche blood glucose test strips.
- the tail tip was taken and the blood glucose level was measured in real time using a Roche blood glucose test strip, and the blood glucose AUC (area under the blood glucose to time curve) in 0 to 120 minutes was calculated, and the blood sugar suppression rate was calculated (Table 5, Fig. 1).
- hypoglycemic maintenance effect M4, M5, M2, M7 can maintain the hypoglycemic effect for at least 4 days, while M0 only lasts for 3 days, and somaglutide only lasts for 2 days. Both were statistically significant.
- mice Twenty-eight healthy ob/ob male mice aged 4-6 weeks were divided into 4 groups (7/group). The experimental group was injected subcutaneously with M2, M4 and somaglutide (Aib) at a dose of 0.05. Mg/kg body weight, once daily. Before administration, 20% glucose was administered at a time interval of 15 days after the administration, and the dose was 2 g/kg body weight. The rats were fasted overnight before the sugar, and the blood was collected at the tail tips at 0, 30 min, 60 min, and 120 min after the sugar administration. The blood glucose level (OGTT) was measured in real time using Roche blood glucose test strips, and the blood glucose AUC (area under the blood glucose to time curve) was calculated from 0 to 120 minutes using the trapezoidal area method.
- the blood glucose inhibition rate formula is as follows:
Abstract
Description
样品 | Aib | M0 | M1 | M2 | M3 | M4 | M5 | M6 | M7 |
EC50 | 2.437 | 10.68 | 5.386 | 1.996 | 5.387 | 2.322 | 3.043 | 7.650 | 3.208 |
Claims (21)
- 一种GLP-1(7-37)类似物的衍生物或其药学上可接受的盐,其中GLP-1(7-37)类似物包含下式的氨基酸序列:HVEGTFTSDVSSX 19LEEX 23AAX 26X 27FIX 30WLVX 34GX 36X 37其中X 19为Y或K,X 23为Q或K,X 26为R或K,X 27为E或K,X 30为A或K,X 34为R或K,X 36为R或K,X 37为G或K,条件是,在X 19、X 23、X 26、X 27、X 30、X 34、X 36或X 37中只有一个是K残基,其中x是4-38的整数。
- 根据权利要求1所述的衍生物或其药学上可接受的盐,其中所述延长部分选自:HOOC(CH 2) 14CO-、HOOC(CH 2) 15CO-、HOOC(CH 2) 16CO-、HOOC(CH 2) 17CO-、HOOC(CH 2) 18CO-、HOOC(CH 2) 19CO-、HOOC(CH 2) 20CO-、HOOC(CH 2) 21CO-和HOOC(CH 2) 22CO-。
- 根据权利要求1或2所述的衍生物或其药学上可接受的盐,其中所述延长部分通过接头与GLP-1(7-37)类似物的K残基连接。
- 制备权利要求1-5中任意一项所述的衍生物或其药学上可接受的盐的方法,包括:(1)将溶解有上述权利要求任一项中所述的GLP-1类似物的溶液与溶解有上述权利要求任一项所述的延长部分的溶液混合;(2)调节pH至4-5终止反应,静置,至沉淀产生,取沉淀;和(3)向沉淀中加入TFA,调节pH至7.5-8.5终止反应。
- 权利要求6的方法,还包括在与溶解有上述权利要求任一项所述延长部分的溶液混合前,向溶解有GLP-1类似物的溶液中加入三乙胺。
- 权利要求6或7的方法,其中上述权利要求任一项所述的延长部分的溶液是乙腈溶解的。
- 一种药物组合物,其包括权利要求1-5中任意一项权利要求所述的衍生物或其药学上可接受的盐,以及药学上可接受的辅料。
- 权利要求1-5中任意一项权利要求所述的衍生物或其药学上可接受的盐在制备预防和/或治疗糖尿病或糖尿病并发症的药物中的用途。
- 权利要求10的用途,其中所述糖尿病并发症为糖尿病性肾病。
- 权利要求1-5中任意一项权利要求所述的衍生物或其药学上可接受的盐在制备减少胰岛β-细胞凋亡、增强胰岛β-细胞功能、增加胰岛β-细胞数量和/或恢复胰岛β-细胞的葡萄糖敏感性的药物中的用途。
- 一种预防和/或治疗糖尿病或糖尿病并发症的方法,包括给药受试者预防或治疗有效量的权利要求1-5中任意一项所述的衍生物或其药学上可接受的盐。
- 权利要求13的方法,其中所述糖尿病并发症为糖尿病性肾病。
- 一种减少胰岛β-细胞凋亡、增强胰岛β-细胞功能、增加胰岛β-细胞数量和/或恢复胰岛β-细胞的葡萄糖敏感性的方法,包括给药受试者治疗有效量的权利要求1-5中任意一项权利要求所述的衍生物或其药学上可接受的盐。
- 一种GLP-1(7-37)类似物,包含由如下氨基酸序列组成的多肽:HVEGTFTSDVSSX 19LEEX 23AAX 26X 27FIX 30WLVX 34GX 36X 37其中X 19为Y或K,X 23为Q或K,X 26为R或K,X 27为E或K,X 30为A或K,X 34为R或K,X 36为R或K,X 37为G或K,并且,在X 19、X 23、X 26、X 27、X 30、X 34、X 36或X 37中只有一个是K。
- 包含权利要求16的类似物的药物组合物。
- 权利要求16的类似物在制备预防或治疗糖尿病、糖尿病并发症的药物中的用途。
- 一种制品,包括其中装有权利要求9或权利要求17的药物组合物的容器和包装插页,其中该包装插页载有所述药物组合物的使用说明。
- 权利要求19的制品,还包含装有其它药物的容器。
- 权利要求20的制品,其中所述其它药物为治疗糖尿病或糖尿病并发症的其它药物。
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BR112020021245A BR112020021245A8 (pt) | 2018-04-19 | 2019-04-19 | Derivado de um análogo de peptídeo semelhante a glucagon 1, métodos para preparar o derivado, para prevenir e/ou tratar diabetes ou complicações diabéticas e para reduzir glicose no sangue, aumentar tolerância à glicose, reduzir apoptose de célula beta de ilhota, intensificar função de célula beta de ilhota, aumentar número de célula beta de ilhota e/ou restaurar sensibilidade à glicose de célula beta de ilhota, composição farmacêutica, usos do derivado e do análogo, análogo de peptídeo semelhante a glucagon 1, e, produto. |
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EP3783014A1 (en) | 2021-02-24 |
CA3202015A1 (en) | 2019-10-24 |
AU2021204749A1 (en) | 2021-07-29 |
AU2021204749B2 (en) | 2022-03-31 |
EP3783014A4 (en) | 2021-07-07 |
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US20230330189A1 (en) | 2023-10-19 |
KR20220035996A (ko) | 2022-03-22 |
AU2019256245B2 (en) | 2021-08-05 |
AU2019256245A1 (en) | 2020-11-19 |
KR102464605B1 (ko) | 2022-11-10 |
BR112020021245A2 (pt) | 2021-02-02 |
KR102653113B1 (ko) | 2024-04-02 |
JP7164247B2 (ja) | 2022-11-01 |
CA3135910C (en) | 2023-08-22 |
US11612640B2 (en) | 2023-03-28 |
MX2020011007A (es) | 2021-01-20 |
JP2022191398A (ja) | 2022-12-27 |
KR20210005093A (ko) | 2021-01-13 |
CA3135910A1 (en) | 2019-10-24 |
JP2021522318A (ja) | 2021-08-30 |
WO2019201328A1 (zh) | 2019-10-24 |
BR112020021245A8 (pt) | 2022-05-10 |
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