WO1995011697A1 - Accelerateur de guerison utilise en chondroplastie - Google Patents

Accelerateur de guerison utilise en chondroplastie Download PDF

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Publication number
WO1995011697A1
WO1995011697A1 PCT/JP1994/001803 JP9401803W WO9511697A1 WO 1995011697 A1 WO1995011697 A1 WO 1995011697A1 JP 9401803 W JP9401803 W JP 9401803W WO 9511697 A1 WO9511697 A1 WO 9511697A1
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WO
WIPO (PCT)
Prior art keywords
pth
cartilage
bone
human
parathyroid hormone
Prior art date
Application number
PCT/JP1994/001803
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Takashi Mori
Sayumi Higashi
Original Assignee
Chugai Seiyaku Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chugai Seiyaku Kabushiki Kaisha filed Critical Chugai Seiyaku Kabushiki Kaisha
Priority to AU80029/94A priority Critical patent/AU8002994A/en
Publication of WO1995011697A1 publication Critical patent/WO1995011697A1/ja

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/22Hormones
    • A61K38/29Parathyroid hormone, i.e. parathormone; Parathyroid hormone-related peptides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/575Hormones
    • C07K14/635Parathyroid hormone, i.e. parathormone; Parathyroid hormone-related peptides

Definitions

  • the present invention relates to a therapeutic accelerator in cartilage reduction. More particularly, the present invention relates to a drug that promotes healing, ie, bone regeneration and cartilage repair, in cartilage reduction surgery in which a defect is formed in the subchondral bone and articular cartilage.
  • Articular cartilage has a role as a cushion against loads and impacts, and is also important as guaranteeing mobility in joints.However, even with the same cartilage, growth plate cartilage plays an important role in skeletal growth. Be distinguished. In other words, the growth plate and bone cells present at the epiphysis and other parts achieve their physiological significance by proliferating and differentiating and then calcifying and replacing bone, whereas calcification is a desired function in articular cartilage. Contrary to this and usually does not cause calcification. This is why articular cartilage is called permanent or stationary cartilage.
  • Articular cartilage disorders can occur for a variety of reasons. These include joint overuse, joint trauma, fractures, infection, chronic arthritis, endocrine abnormalities, and metabolic abnormalities. It is often thought to be closely related to aging and aging, for which the cause cannot be identified.
  • This joint condition which is collectively called osteoarthritis and is based on the degenerative degeneration of joint components centered on articular cartilage, has become a serious social problem due to the aging society and the number of patients is growing rapidly. ing.
  • cartilage matrix destruction progresses, the cartilage layer becomes thinner, and subchondral bone hardens in the load area, which further increases the stress on cartilage, and further degenerates and destroys cartilage. Go.
  • the cartilage layer is completely lost locally, and the subchondral bone is exposed, and is worn and dentinized by frictional motion.
  • cartilage reduction procedures include arthroscopic perforation by drilling the affected area where the cartilage layer is damaged, recurrence to the subchondral bone, and removal of necrotic tissue.
  • Chen Yongzhen, Joint Surgery, 8, 113-121 (1989) Ch i 1 der, El ll wo o ⁇ C lin. O rt ho p.. 144, 114—120 (1979)) performed perforation in patients with extra-knee cartilage disorders, and Good results have been obtained.
  • S workede et al. (Clin. Orthop., 144, 74—83 (1979)) reported that degenerative arthritic knees were subjected to debridement and resection in 73% of patients. I see joint stiffness and pain relief.
  • Surgery to create defects in the bone for surgical treatment includes, for example, benign bone tumors and osteomas, when harvesting bone grafts (eg, iliac bones), joint contractures, open fractures, complex fractures, bone atrophy, It is performed due to osteonecrosis, osteomyelitis, etc., and cartilage reduction can be considered as a surgical technique in which the surgical site is limited to the joint.
  • bone grafts eg, iliac bones
  • joint contractures eg, open fractures, complex fractures, bone atrophy
  • cartilage reduction can be considered as a surgical technique in which the surgical site is limited to the joint.
  • the present inventors have continued research on drugs that promote bone regeneration and cartilage repair in surgical cartilage reduction, and as a result, parathyroid hormone ( ⁇ ⁇ ⁇ ⁇ ) showed such a useful effect.
  • PTH is the most important hormone involved in bone metabolism secreted by the parathyroid gland, its pharmacological effects are diverse. In short, its effect is to promote bone turnover, and in recent years, in addition to the long-known activity of promoting bone absorption, bone formation has also attracted attention, and its potential as a therapeutic agent for osteoporosis is being investigated. .
  • the present inventors suggest that PTH promotes the differentiation of various undifferentiated cells derived from blood in surgical cartilage reduction with hemorrhage, repairs bone defects, and helps regeneration of cartilage tissue.
  • Animal experiments were performed based on the hypothesis. In other words, when repairing a hole drilled from the surface of the cartilage at the distal end of the egret femur, the subchondral bone grew faster in the PTH-administered group than in the control group, and the cartilage layer was almost normal in regeneration. Was found to be fast.
  • Fig. 1 is a photograph of the HE-stained tissue specimen at the 21st postoperative day in the PTH administration group.
  • FIG. 2 is a photograph of the HE-stained tissue specimen of the control group 21 days after the operation.
  • FIG. 3 is a photograph of the HE-stained tissue specimen of the control group on day 42 after the operation.
  • Figure 4 is a photograph of the 21st post-operative Alshan blue stained tissue specimen in the PTH-administered group.
  • FIG. 5 is a photograph of the 21st post-operative Alshan blue stained tissue specimen of the control group.
  • FIG. 6 is a photograph of the Alshambre single-stained tissue specimen of the control group on day 42 after the operation.
  • the parathyroid hormone (PTH) in the present invention includes natural PTH, PTH produced by a genetic method, and PTH chemically synthesized, and preferably comprises human PTH comprising 84 amino acid residues.
  • the PTH derivative means a peptide having the same activity as the above-mentioned partial peptide of PTH or a peptide in which the amino acid constituting PTH itself or its partial peptide is partially replaced with another amino acid.
  • Examples of the partial peptide of PTH include, for example, human 1-34PTH and peptide 1-34PTH.
  • 1-34 PTH means the partial peptide of PTH consisting of 34 amino acids from the N-terminal to the 34th amino acid of PTH.
  • Parathyroid hormone used as a therapeutic accelerator in bone reduction according to the present invention is used as a therapeutic accelerator in bone reduction according to the present invention.
  • Preferred examples of (PTH) or PTH derivatives human 1-84PTH, human 1 one 34PTH, human 1 one 38PTH, human 1 one 37 PTH, such as human 1-34P TH- NH 2 and the like, More preferred are human 1-84 PTH and human 1-34 PTH, and most preferred is human 1-84 PTH.
  • Cartilage repair such as drilling a hole in the affected area where the cartilage layer is damaged under arthroscopic vision, recurrence to the subchondral bone, and removal of necrotic tissue. It means the intended surgical treatment of cartilage and subchondral bone.
  • the dosage form of the drug of the present invention in addition to an injection prepared by a usual preparation method of a peptide, localization and delayed action such as encapsulation in a microcapsule or inclusion in a gel sheet were expected. Dosage forms are also possible. In the case of a liquid preparation, it is preferable to add an appropriate protein or an appropriate anti-adhesion agent.
  • the method of administering the agent of the present invention can be performed by systemic administration or local administration. Preferred examples include whole injection such as local injection into the joint cavity or into a lesion by injection, or subcutaneous administration.
  • the dosage of PTH of the present invention, the adaptive diseases, varies depending on such conditions, 10 7 M from 10-15 at the tissue level by topical administration, from 10 to 1000 gZ head is preferable than systemic administration.
  • the administration timing may be either before or after cartilage reduction surgery, but administration after surgery is more preferable.
  • PTH used in the examples was prepared by using a modified method of the method described in Japanese Patent Publication No. 505259/1992 and J. Biol. Chem., 265, 15854 (1990).
  • the following experiment was performed as an experiment using an animal model of cartilage reduction.
  • JWZCSK Japanese White Heron
  • the darkly stained portion with HE staining in Fig. 1, Fig. 2 and Fig. 3 is the bone (subchondral bone), and the darkly stained portion with Alshan blue staining in Fig. 4, Fig. 5 and Fig. 6.
  • the repair of the hole drilled from the ⁇ distal end of the heron's femur ⁇ bone surface was performed in the PTH-administered group not only at the same time as the control group (21 after surgery) but also in the control group. 42 Compared to 42 days after the operation, ⁇ the growth of the subosseous bone was faster, near normal, and the regeneration of the cartilage layer was much faster '.
  • the drug containing the PTH or PTH derivative of the present invention as an active ingredient is useful for promoting healing in surgical cartilage reduction surgery.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Endocrinology (AREA)
  • Chemical & Material Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Toxicology (AREA)
  • Immunology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
PCT/JP1994/001803 1993-10-27 1994-10-27 Accelerateur de guerison utilise en chondroplastie WO1995011697A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU80029/94A AU8002994A (en) 1993-10-27 1994-10-27 Cure accelerator in chondroplasty

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5/303204 1993-10-27
JP30320493 1993-10-27

Publications (1)

Publication Number Publication Date
WO1995011697A1 true WO1995011697A1 (fr) 1995-05-04

Family

ID=17918138

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1994/001803 WO1995011697A1 (fr) 1993-10-27 1994-10-27 Accelerateur de guerison utilise en chondroplastie

Country Status (3)

Country Link
AU (1) AU8002994A (de)
TW (1) TW273513B (de)
WO (1) WO1995011697A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998024471A1 (en) * 1996-12-05 1998-06-11 Société De Conseils De Recherches Et D'applications Scientifiques S.A.; Treatment of bone fracture
WO1999012561A2 (en) * 1997-09-09 1999-03-18 F. Hoffman-La Roche Ag FRACTURE HEALING USING PTHrP ANALOGS
EP0811383A4 (de) * 1995-02-20 2000-02-09 Yukio Kato Heilmittel für arthrosis deformans und entzündliche gelenkerkrankungen
WO2010045229A2 (en) 2008-10-13 2010-04-22 University Of Rochester Protecting and repairing cartilage and musculoskeletal soft tissues

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0532696A (ja) * 1990-09-28 1993-02-09 Takeda Chem Ind Ltd 副甲状腺ホルモン誘導体
JPH05320193A (ja) * 1992-03-19 1993-12-03 Takeda Chem Ind Ltd 副甲状腺ホルモン誘導体
JPH0687897A (ja) * 1991-05-23 1994-03-29 Allelix Biopharmaceut Inc 本質的に純粋なヒト副甲状腺ホルモン
JPH06184198A (ja) * 1992-07-15 1994-07-05 Sandoz Ag ペプチド類

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0532696A (ja) * 1990-09-28 1993-02-09 Takeda Chem Ind Ltd 副甲状腺ホルモン誘導体
JPH0687897A (ja) * 1991-05-23 1994-03-29 Allelix Biopharmaceut Inc 本質的に純粋なヒト副甲状腺ホルモン
JPH05320193A (ja) * 1992-03-19 1993-12-03 Takeda Chem Ind Ltd 副甲状腺ホルモン誘導体
JPH06184198A (ja) * 1992-07-15 1994-07-05 Sandoz Ag ペプチド類

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811383A4 (de) * 1995-02-20 2000-02-09 Yukio Kato Heilmittel für arthrosis deformans und entzündliche gelenkerkrankungen
WO1998024471A1 (en) * 1996-12-05 1998-06-11 Société De Conseils De Recherches Et D'applications Scientifiques S.A.; Treatment of bone fracture
WO1999012561A2 (en) * 1997-09-09 1999-03-18 F. Hoffman-La Roche Ag FRACTURE HEALING USING PTHrP ANALOGS
WO1999012561A3 (en) * 1997-09-09 1999-05-14 Hoffmann La Roche FRACTURE HEALING USING PTHrP ANALOGS
AU752925B2 (en) * 1997-09-09 2002-10-03 F. Hoffmann-La Roche Ag Fracture healing using PTHrP analogs
US6583114B2 (en) 1997-09-09 2003-06-24 Roche Palo Alto Llc Fracture healing using pthrp analogs
WO2010045229A2 (en) 2008-10-13 2010-04-22 University Of Rochester Protecting and repairing cartilage and musculoskeletal soft tissues
EP2349325A4 (de) * 2008-10-13 2012-08-29 Univ Rochester Schutz und reparatur von knorpel und muskuloskeletalen weichgeweben
US8513193B2 (en) 2008-10-13 2013-08-20 University Of Rochester Protecting and repairing cartilage and musculoskeletal soft tissues
US9192653B2 (en) 2008-10-13 2015-11-24 University Of Rochester Protecting and repairing cartilage and musculoskeletal soft tissues

Also Published As

Publication number Publication date
TW273513B (de) 1996-04-01
AU8002994A (en) 1995-05-22

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