WO2001041789A1 - Medicament contre les rhumatismes contenant un derive tetrapeptidique en tant qu'ingredient actif - Google Patents
Medicament contre les rhumatismes contenant un derive tetrapeptidique en tant qu'ingredient actif Download PDFInfo
- Publication number
- WO2001041789A1 WO2001041789A1 PCT/JP2000/008614 JP0008614W WO0141789A1 WO 2001041789 A1 WO2001041789 A1 WO 2001041789A1 JP 0008614 W JP0008614 W JP 0008614W WO 0141789 A1 WO0141789 A1 WO 0141789A1
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- Prior art keywords
- group
- rheumatism
- therapeutic agent
- active ingredient
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/07—Tetrapeptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
Definitions
- the present invention relates to a therapeutic agent for rheumatism comprising a tetrabeptide derivative as an active ingredient.
- Rheumatism is an intractable chronic inflammatory disease with the joint synovium at the center of the disease, but the causes of its development are largely unknown and its symptoms vary.
- One of the hallmarks of the pathology of rheumatism is abnormal synovial proliferation and subsequent cartilage and bone destruction.
- the treatment of rheumatism is mainly by pharmacotherapy, but steroids and non-steroid anti-inflammatory drugs (NSAIDs) have long been used for the purpose of curing rheumatism.
- NSAIDs non-steroid anti-inflammatory drugs
- DMARDs immunosuppressants and immunomodulators
- the tetraptide derivative (general formula [1]), which is an active ingredient of the present invention, has an antitumor effect, and provides acute myeloid leukemia, acute lymphocyte leukemia, chronic melanoma, lung adenocarcinoma, Japanese Patent No. 2,618,597 discloses that it is useful for treating neuroblastoma, small cell carcinoma of the lung, breast cancer, colon cancer, ovarian cancer, bladder cancer, and the like.
- the present inventors have intensively studied the pharmacological effects of tetrapeptide derivatives in the treatment of rheumatism in order to find new pharmacological effects of tetrabeptide derivatives.
- the therapeutic agent for rheumatism according to the present invention can be suitably used not only for the treatment of rheumatism but also for its prevention.
- the present invention provides a therapeutic agent for rheumatism comprising a compound represented by the following general formula [1] or a salt thereof (hereinafter, referred to as the present compound) as an active ingredient.
- R, R 2 , R 3 and R 4 are the same or different and each represent a hydrogen atom, a lower alkyl group or an aralkyl group;
- Q is Or ⁇ 2 — R 7 , where is a direct bond or
- Y represents a hydrogen atom or —COR 6
- R 5 represents a hydrogen atom, a lower alkyl group or an aralkyl group
- R 6 represents a hydroxy group, a lower alkoxy group, an aralkyl group or
- R 8 and R 9 are the same or different and each include a hydrogen atom, a lower alkyl group, a fuunyl group or one or two hetero atoms selected from a sulfur atom, an oxygen atom and a nitrogen atom 4 to 7 R 8 and R 9 together with the nitrogen atom to which they are attached, further comprise one heteroatom selected from sulfur, oxygen and nitrogen. May form a 4- to 7-membered heterocyclic ring
- a 2 represents a direct bond or a lower alkylene group
- R? Represents a cycloalkyl group, an aryl group or an indolyl group. Show. ]
- lower alkyl is 1 to 6 carbons such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl, n-hexyl, isohexyl, etc.
- Lower alkoxy refers to methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, tert-butoxy, n-pentyloxy, n-hexyloxy.
- aryl means an aromatic hydrocarbon group optionally substituted with a halogen atom, a lower alkyl group or a hydroxy group such as phenyl, 2-fluorophenyl, tolyl, 2-hydroxyphenyl and naphthyl.
- aralkyl represents an aryl lower alkyl group such as benzyl and phenethyl
- aralkyloxy represents an aryl lower alkoxy group such as benzyloxy and phenethyloquine
- a cycloalkyl group having 3 to 7 carbon atoms, such as hexyl or cyclohexyl, and a heterocyclic group includes azetidinyl, furyl, chenyl, pyridyl, piperidinyl, Azepinyl group, thiazolyl group, imidazolyl group, oxo
- Preferred examples of the present compound include compounds in which R 7 represents an aryl group in the above general formula [1] and salts thereof.
- N 2 (N, N—dimethyl-1-L—valyl) —N — [(1S, 2R) —2-methoxy 41 — ((2S) —2 — [() represented by the following formula [2] 1 R, 2 R) — 1-Methoxy 2- 3-Methoxy 3- 3- 3- [(2-phenylethyl) amino] propyl] — 1-Pyrrolidinyl] 1-1-1 [(S) — 1-Methylpropyl] — [4-oxobutyl] -N-methyl-l-valinamide or its salts.
- the above-mentioned salts are not particularly limited as long as they are pharmaceutically acceptable salts, and include, for example, hydrochloride, hydrobromide, acetate, trifluoroacetate, p-toluenesulfonate and the like.
- the present compound has optical isomers, and in some cases, diastereoisomers, and those containing these as an active ingredient are also included in the present invention. Further, the present compounds may be in the form of a solvate, for example, a hydrate.
- Dosage forms include injections, topical injections, tablets, capsules, powders, granules, coatings, etc.
- the administration is performed by systemic administration or local administration.
- Liquid preparations such as injections and topical injections include purified water for injection, physiological saline, Ringer's solution, solvents such as vegetable oil, solubilizers such as ethanol, propylene glycol, and glycerin, sodium pyrosulfite, Stabilizers such as sodium bisulfite, sodium ascorbate, ethylenediamine tetraacetic acid, etc .; suspending agents such as sodium carboxymethylcellulose, aluminum monostearate, polysorbate 80, etc .; Emulsifiers such as castor oil and lecithin, buffering agents such as sodium phosphate and sodium acetate, isotonic agents such as sodium chloride and glucose, pro-acid hydrochloride, benzyl alcohol, chlorobutanol It can be prepared by using a soothing agent such as, for example, and a preservative such as paraoxybenzoate as needed.
- a soothing agent such as, for example, and a preservative such as paraoxybenzo
- Solid preparations such as tablets, capsules, powders, and granules include lactose, bulking agents such as crystalline cellulose and starch, lubricants such as magnesium stearate, talc, hydroxypropyl cellulose, and polyvinylpyrrolidone.
- lubricants such as magnesium stearate, talc, hydroxypropyl cellulose, and polyvinylpyrrolidone.
- disintegrants such as carboxymethylcellulose calcium, low-substituted hydroxypropylmethylcellulose, etc.
- coating agents such as hydroxypropylmethylcellulose, macrogol, silicon resin, etc. Can be.
- Pharmaceuticals are administered by appropriately selecting the dose and frequency of administration while observing the efficacy and the state of occurrence of side effects. In pharmaceuticals, it is also important to administer drugs while controlling the occurrence of side effects, which is an inseparable problem.
- this compound is known as an antitumor agent, it is generally applied to humans because drugs commonly used as antitumor agents have strong side effects. If so, its dosage must be carefully determined. Since metabolism is different between animals and humans, it is usually difficult to directly estimate the dose to humans from the amount used in animal experiments, and the appropriate dose is determined based on clinical trials. The dose also depends greatly on the route of administration. Needless to say, these dosages need to be adjusted appropriately depending on symptoms, age, etc.
- a lower dose is selected because the drug is administered directly into the bloodstream, but for oral administration, a higher dose can be selected as compared to intravenous injection, and the dose is adult 0.1 mg / Omg per boy is appropriate, and considering the effective amount, more preferably 0.8 mg / mg.
- transdermal administration and local injection administration are also possible. In such a case, the dose is appropriately selected with reference to the amount of intravenous injection or oral administration.
- the frequency of administration is usually once to several times a month in the case of intravenous injection, but can be increased in the case of oral administration.
- FIG. 1 is a graph showing the time course of the incidence of arthritis in type ⁇ collagen-induced arthritis in mice.
- ⁇ indicates the results of the test compound (1500 ⁇ gZkg) administration group
- ⁇ indicates the results of the test compound (500 g / kg) administration group
- the result is the average of 5-10 cases.
- FIG. 2 is a graph showing the day-to-day change of the arthritis score in mouse type II collagen-induced arthritis.
- ⁇ indicates the results of the test compound (1500 ⁇ g / g) administration group
- ⁇ indicates the results of the test compound (500 g / kg) administration group
- ⁇ indicates the results of the control group. The results are shown. The result is the average of 5-10 cases.
- FIG. 3 is a graph showing bone destruction scores in mouse type I collagen-induced arthritis.
- A shows the results of the test compound (1500 g / kg) administration group
- B shows the results of the test compound (500 / z gZkg) administration group
- C shows the results of the control group. .
- the results are the average of 5-10 cases.
- FIG. 4 is a graph showing the time course of left limb volume in rat adjuvant-induced arthritis. ⁇ indicates the results of the test compound (150 / g / kg) administration group, ⁇ indicates the results of the test compound (50 g / kg) administration group, and ⁇ indicates the result of the control group. This result is the average of 7 to 8 cases.
- FIG. 5 is a graph showing bone destruction scores in rat adjuvant-induced arthritis.
- A shows the results of the test compound (150 gZkg) administration group
- B shows the results of the test compound (50 gZkg) administration group
- C shows the results of the control group. This result is the average of 7 to 8 cases.
- FIG. 6 is a graph showing the time course of the limb volume increase rate of hind limbs in rat type 2 collagen arthritis.
- ⁇ indicates the test compound (5
- the results of the 0 ⁇ g / kg administration group and the results of the control group are shown by ⁇ .
- the results are the average of 7-8 cases.
- FIG. 7 is a graph showing the number of fractured joints in the finger joints of the hind limbs in rat type 2 collagen arthritis.
- A shows the results of the test compound (50 g / kg) administration group
- B shows the results of the test compound (15 gZkg) administration group
- C shows the results of the control group. This result is the average of 16 cases.
- the type II collagen-induced arthritis model is widely used as an animal model to evaluate the effect of drugs on rheumatism (Nature, 283, 666-668 (1980)). Therefore, the pharmacological effect of this compound was evaluated and examined using this model.
- Type derived from articular cartilage ⁇ Emulsion was prepared by mixing a 0.05 N acetic acid solution of collagen (4 mg / m 1) with an equal amount of incomplete adjuvant (final concentration: 2 mg gZm 1).
- this emulsion was administered to DB AZ1 mice (male, 7 weeks old, weighing about 18 to 22 g) 100 ⁇ 1 (200 / / gZ mouse). Twenty-one days after the first sensitization, this emulsion was again administered intradermally to the base of the ridge of mice (second sensitization).
- test compound solution (test compound dissolved in lactate buffer) prepared to give a dose of 10 ml / kg body weight was administered intravenously once a week from the day of primary sensitization. .
- Arthritis was determined when swelling of the joint site with erythema was observed.
- the degree of arthritis was scored one by one according to the following evaluation criteria, and the total score of the four limbs of each individual was used as an arthritis score, and evaluated using this score.
- Fig. 1 shows the arthritis incidence
- Fig. 2 shows the change in arthritis score
- Fig. 3 shows the bone destruction score when the test compounds (500 g / kg and 1500 / z gZkg) were administered. Indicated.
- arthritis began to develop in the control group on day 3 after secondary sensitization, and arthritis occurred in all cases on day 7 after secondary sensitization. Was done. Thereafter, the arthritic condition continued to progress until day 40 after the second sensitization.
- the onset date of arthritis was not much different from that of the control group, but the incidence was 80%. The onset was further suppressed.
- the group administered with the test compound (1500 / g / kg)
- no onset of arthritis was observed until the eighth day, and an effect of delaying the onset of arthritis was observed.
- the incidence was 40%, and the incidence was more remarkably suppressed than in the control group.
- the test compound significantly improved the arthritis score in any of the administration groups compared to the control group.
- the bone destruction inhibitory effect is shown in Fig. 3, and the test compound (500 g / kg and 150 O ⁇ gZkg) administration group showed a marked bone destruction inhibitory effect as compared to the control group. Was observed.
- test compound significantly inhibited the incidence, arthritis score and bone fracture in the arthritis model induced by type I collagen.
- the adjuvant-induced arthritis model evaluates the effect of drugs on arthritis. It is widely used as an animal model to be valued. Therefore, using this model, the pharmacological effect of the present compound was evaluated and examined (Ann. Rheum. Dis., 15379-380 (1956), Brit. J. Pharmacol., 21, 127-136 (1963)).
- Raffin suspension (0.6 mg / 1001) was injected subcutaneously into the left hind leg of a rat (male, 9 weeks old, weighing about 260-280 g) to induce arthritis.
- a test compound solution (test compound dissolved in lactate buffer) prepared to give a dose of 0.1 ml per 100 g of body weight, intravenously twice a week from the day of adjuvant injection did.
- An emulsion was prepared by mixing a 0.05 N acetic acid solution (2 mg / m 1) of type 2 collagen derived from articular cartilage and an equal amount of Freund's incomplete adjuvant (final concentration: 1 mgZm 1). .
- this emulsion was added to Lewis rats (female, 6 weeks old, weighing about 130 to 160 g) at 5 places in the back skin, each of which was 1001 (500 as type 2 collagen). gZ rat) was administered.
- a test compound solution (test compound dissolved in lactate buffer) prepared so as to give a dose of 0.1 ml per 100 g body weight was intravenously administered twice a week from 12 days after sensitization.
- the degree of synovial proliferation was evaluated according to the evaluation criteria (pathological score) shown below, and the hind limbs of each individual were pathologically scored for each limb.
- An emulsion was prepared by mixing a 0.05 N acetic acid solution (2 mg / m 1) of type 2 collagen derived from articular cartilage with an equal amount of Freund's incomplete adjuvant (final concentration lmgZm 1).
- this emulsion was added to Lewis rats (female, 6 weeks old). Age, body weight: about 130 to 160 g) 1001 (equivalent to 500 lats as type 2 collagen) was administered to five places in the back skin.
- a test compound solution (test compound dissolved in lactate buffer) prepared so as to give a dose of 0.1 ml per 100 g body weight was intravenously administered twice a week from 22 days after sensitization.
- test compound (15 and 50 / z gZkg) -administered groups showed a significant bone destruction inhibitory effect in this model as compared to the control group. Admitted.
- Lactic acid An injection having a desired concentration can be prepared by appropriately adjusting the amounts of the above compound and other additives.
- the present invention relates to a therapeutic agent for rheumatism comprising a tetrabeptide derivative as an active ingredient.
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- Animal Behavior & Ethology (AREA)
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- Rheumatology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Gastroenterology & Hepatology (AREA)
- Pain & Pain Management (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU17307/01A AU1730701A (en) | 1999-12-07 | 2000-12-06 | Rheumatism remedy containing tetrapeptide derivative as active ingredient |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11/347003 | 1999-12-07 | ||
| JP34700399 | 1999-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001041789A1 true WO2001041789A1 (fr) | 2001-06-14 |
Family
ID=18387273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2000/008614 Ceased WO2001041789A1 (fr) | 1999-12-07 | 2000-12-06 | Medicament contre les rhumatismes contenant un derive tetrapeptidique en tant qu'ingredient actif |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU1730701A (ja) |
| WO (1) | WO2001041789A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598129A1 (en) * | 1991-08-09 | 1994-05-25 | Teikoku Hormone Mfg. Co., Ltd. | Novel tetrapeptide derivative |
| JPH111434A (ja) * | 1997-06-12 | 1999-01-06 | Rikagaku Kenkyusho | チューブリン重合阻害剤、細胞周期阻害剤及び抗腫瘍剤 |
| WO1999017792A1 (en) * | 1997-10-06 | 1999-04-15 | Basf Aktiengesellschaft | Methods and compositions for treating rheumatoid arthritis |
-
2000
- 2000-12-06 AU AU17307/01A patent/AU1730701A/en not_active Abandoned
- 2000-12-06 WO PCT/JP2000/008614 patent/WO2001041789A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598129A1 (en) * | 1991-08-09 | 1994-05-25 | Teikoku Hormone Mfg. Co., Ltd. | Novel tetrapeptide derivative |
| JPH111434A (ja) * | 1997-06-12 | 1999-01-06 | Rikagaku Kenkyusho | チューブリン重合阻害剤、細胞周期阻害剤及び抗腫瘍剤 |
| WO1999017792A1 (en) * | 1997-10-06 | 1999-04-15 | Basf Aktiengesellschaft | Methods and compositions for treating rheumatoid arthritis |
Non-Patent Citations (1)
| Title |
|---|
| BAI RUOLI ET AL.: "Dolastatin 15, a potent antimitotic depsipeptide derived from dolabella auricuria", BIOCHEMICAL PHARMACOLOGY, vol. 43, no. 12, 1992, pages 2637 - 2645, XP002937861 * |
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| Publication number | Publication date |
|---|---|
| AU1730701A (en) | 2001-06-18 |
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