WO2005007161A1 - ピペリジン誘導体を有効成分とする掻痒治療剤 - Google Patents
ピペリジン誘導体を有効成分とする掻痒治療剤 Download PDFInfo
- Publication number
- WO2005007161A1 WO2005007161A1 PCT/JP2004/010542 JP2004010542W WO2005007161A1 WO 2005007161 A1 WO2005007161 A1 WO 2005007161A1 JP 2004010542 W JP2004010542 W JP 2004010542W WO 2005007161 A1 WO2005007161 A1 WO 2005007161A1
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- WIPO (PCT)
- Prior art keywords
- pruritus
- therapeutic agent
- drug
- group
- eye
- Prior art date
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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
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
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- 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
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/451—Non condensed piperidines, e.g. piperocaine having a carbocyclic group directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/04—Antipruritics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D211/62—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4
- C07D211/64—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4 having an aryl radical as the second substituent in position 4
Definitions
- the present invention relates to a therapeutic agent for pruritus comprising a piperidine derivative as an active ingredient.
- itch Itching is felt as an itch by stimulating the itch receptor present at the epidermis-dermis junction of the skin and mucous membranes by a transmitter substance (pruritus-inducing substance), and the stimulation is transmitted to the central nervous system.
- messenger-causing mediators for example, histamine, kinin, bile salts, substance P, prostaglandin and the like are widely known. It is presumed that itch due to allergic factors is related to mediators such as histamine released from mast cells, and it is known that antihistamines have stronger effects than antiallergic drugs .
- pruritus for example, pruritus of the eyes, pruritus of the skin, pruritus of the ears and nose, and systemic pruritus occurring in humans and animals are known.
- Eye pruritus is a disease that causes itching of eyes, eyelids, eyelid edges, etc. due to pollen, dust, mites, mold, pet hair, contact lenses, cosmetics, etc. Causes conjunctival hyperemia, and conjunctival nipples redden and proliferate. In severe cases, lesions appear on the cornea and sclera, and may progress to spring catarrhal.
- WO 02/14280 pamphlet relates to piperidine derivatives having PDE 4 inhibitory activity. It is described as being effective as a therapeutic agent for sexual diseases, allergic diseases such as allergic rhinitis, and autoimmune diseases.
- the piperidine derivatives described in the above-mentioned WO02Z142280 pamphlet do not show efficacy against itch, the most major symptom associated with allergic diseases. Not at all described. Disclosure of the invention
- the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that the piperidine derivative represented by the general formula (I) exerts an excellent antipruritic effect, and have accomplished the present invention.
- the present inventors have found that among the piperidine derivatives represented by the general formula (I), ⁇ 4-1-cyano-14- [3- (cyclopentyloxy) -14- (difluoromethoxy) phenyl] piperidine- 1-yl ⁇ acetic acid or a solvate thereof has been found to have an excellent inhibitory effect on pruritus in particular, and the present invention has been completed.
- R 1 represents 1) a hydrogen atom, or 2) a cyano group
- R 2 and R 3 each independently represent 1) a C1-8 alkyl group, 2) a C3-7 cycloalkyl Group, 3) C1-8 alkyl group substituted with C3-7 cycloalkyl group, 4) C1-8 alkyl group substituted with 1-3 halogen atoms, 5) hydrogen atom, 6) phenyl A C1-8 alkyl group substituted with a C1-8 alkoxy group, or 7) a C1-8 alkyl group substituted with a C1-8 alkoxy group, or 8)
- R 4 and R 5 are each independently 1) hydrogen or 2) C. 1 to 8 alkyl group, or R 4 and R 5 represent a saturated carbon ring of connexion C 3-7 such together with the carbon atom bonded, R 6 is Represents 1) a hydroxyl group, 2) a C1-8 alkoxy group, 3) an NHOH group, or 4) a C1-8 alkoxy group substituted by a phenyl group, and m represents 0 or an integer of 1 to 4.
- a therapeutic agent for pruritus comprising a compound represented by the formula (I), a salt thereof, or a solvate thereof as an active ingredient;
- the therapeutic agent for pruritus according to the above (7) which is an eye drop containing the active ingredient in an amount of 0.01 to 1% (w / V).
- (12) a method for treating pruritus, comprising administering to a mammal an effective amount of a compound represented by the general formula (I) according to the above (1), a salt thereof, or a solvate thereof.
- the C1-8 alkyl group means methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl and isomers thereof.
- the C1-8 alkoxy group is a methoxy, ethoxy, propoxy, butoxy, pentoxy, hexoxy, heptyloxy, octyloxy group and isomers thereof.
- Halogen atom means chlorine, bromine, fluorine and iodine atom.
- the C3-7 cycloalkyl group is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and cycloheptyl.
- the C 3-7 saturated carbocycle represented together with the carbon atom to which R 4 and R 5 are bonded is a C 3-7 cycloalkyl group, i.e., cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl , And a cycloheptyl group.
- the piperidine derivative of the present invention includes all isomers unless otherwise specified.
- the alkyl group, the alkoxy group and the alkylene group include straight-chain and branched ones.
- isomers in double bonds, rings and condensed rings (E, Z, cis, trans) isomers due to the presence of asymmetric carbon (R, S, ⁇ , 3 isomers, enantiomers, diastereomers),
- Optically active substances with optical activity D, L, d, 1), polar compounds (high polar, low polar) by chromatographic separation, equilibrium compounds, mixtures of these arbitrary ratios, racemic mixtures All are included in the present invention.
- Salts of the compound represented by formula (I) include all pharmacologically acceptable ones.
- the pharmacologically acceptable salt is preferably a low-toxic, water-soluble salt.
- Suitable salts include, for example, salts of alkaline metal (such as lithium, sodium, and lithium), salts of alkaline earth metals (such as calcium and magnesium), and ammonium salts (tetramethylammonium, tetrabutylammonium).
- organic amines triethylamine, methylamine, dimethylamine, cyclopentylamine, benzylamine, phenethylamine, piperidine, monoethanolamine, diethanolamine, lysine, arginine, N-methyl-D-glucamine) Salt, acid adduct salt (inorganic acid salt (hydrochloride, hydrobromide, hydroiodide, sulfate, phosphate, nitrate, etc.), organic acid salt (acetate, trifluoroacetate, Lactate, tartrate, oxalic acid Salt, fumarate, maleate, benzoate, citrate, methanesulfonate, ethanesulfonate, benzenesulfonate, toluenesulfonate, isethonate, glucuronate, dalconate Etc.).
- organic acid salt inorganic acid salt (hydrochloride, hydrobromide, hydroiodide, s
- solvates of the compound represented by the general formula (I) include solvates such as water and alcoholic solvents (such as ethanol).
- the solvate is non-toxic and water-soluble.
- the solvates of the compound of the present invention include, for example, water, alcoholic solvents (such as ethanol) such as alkali (earth) metal salts, ammonium salts, organic amine salts, and acid adduct salts of the compound of the present invention. Are also included.
- the compound of the present invention can be converted into the above-mentioned salt, the above-mentioned N-oxide form, and the above-mentioned solvate by a known method.
- R 1 is preferably a cyano group
- R 2 is preferably a C 1-8 alkyl group, a C 3-7 cycloalkyl group, or a C 3-7 cycloalkyl group.
- a C 1-8 alkyl group substituted with an alkyl group particularly preferably a methyl group, an ethyl group, an isopropyl group, a 2-methylpropyl group, a cyclobutyl group, a cyclopentyl group, or a cyclopropylmethyl group
- 3 is preferably a C 1-8 alkyl group or a C 1-8 alkyl group substituted with 1 to 3 halogen atoms, and particularly preferably a methyl group, an ethyl group, an isopropyl group, and a 2-methyl group.
- the piperidine rust conductor represented by the general formula (I) is preferably 4-cyano 4- [3- (cyclopentyloxy) -4- (difluoromethoxy) phenyl] piperidine-11-yl ⁇ acetic acid or Its hydrate (preferably as a hydrate, monohydrate (4-cyano-14- [3- (cyclopentyloxy)-4- (difluoromethoxy) phenyl] piperidine-1-yl) acetic acid monohydrate Japanese)).
- the compound represented by the general formula (I), a salt thereof, or a solvate thereof can be produced according to the method described in WO 02/14280.
- the therapeutic agent for pruritus of the present invention comprises: 1) supplementing and / or supplementing the therapeutic effect of the agent of the present invention. Or 2) improving the kinetics and absorption of the agent of the present invention, reducing the dose, and / or 3) reducing the side effects of the agent of the present invention in combination with other drugs to form a concomitant drug. May be administered.
- the combination preparation of the agent of the present invention and another drug may be administered in the form of a combination preparation in which both components are combined in one preparation, or may be in the form of separate preparations for administration.
- the administration in the form of separate preparations includes simultaneous administration and administration with a time difference.
- the administration with a time difference may be performed by administering the agent of the present invention first and then administering the other agent later, or by administering the other agent first and then administering the agent of the present invention later.
- each administration method may be the same or different.
- the other drug may be a low molecular weight compound, a high molecular weight protein, a polypeptide, a polynucleotide (DNA, RNA, gene), an antisense, a decoy, an antibody, or a vaccine. There may be.
- the dose of the other drug can be appropriately selected based on the dose used clinically.
- the mixing ratio of the agent of the present invention and other agents can be appropriately selected depending on the age and weight of the administration subject, administration method, administration time, and the like. For example, 0.01 to 100 parts by weight of another agent may be used for 1 part by weight of the agent of the present invention.
- Other drugs may be administered in any combination of two or more at an appropriate ratio.
- other drugs that complement and / or enhance the therapeutic effect of the agent of the present invention include those that have been found up to now and those that will be found in the future based on the mechanism described above.
- steroid anti-inflammatory drugs eg, dexamethasone, prednisolone, etc.
- non-steroid anti-inflammatory drugs eg, diclofenacunatrium, pranoprofen, etc.
- anti-allergic drugs eg, , Tranilast, ketotifen fumarate, sodium cromoglycate, etc.
- antihistamines eg, diphenhydramine hydrochloride
- glaucoma drugs eg, pilocarpine hydrochloride, physostigmine salicylate, timolol, isopropyl unoprostone
- Antibiotics e.g., genomycin sulfate, fradiomycin sulfate, tobramycin, sulpenicillin, cefmenoxime, erythromycin, colistin, oxytetracycline, polymyxin B, chloramphenicol, Ronomaishin, Jibe Cacin, sisomycin
- the piperidine derivative of the present invention exerts a therapeutic / suppressive effect on pruritus such as eye pruritus, skin pruritus, ear nose pruritus and systemic pruritus occurring in humans and animals. More preferably, it is used as a therapeutic agent for ocular pruritus.
- the pruritus in the present invention is a disease in which the eyes, eyelids, eyelid margins, etc. become itchy due to pollen, dust, mites, mold, pet hair, contact lenses, cosmetics, eye trauma, etc.
- allergic conjunctivitis, spring catarrh, atopic keratoconjunctivitis, infectious keratoconjunctivitis, blepharitis, dry eye, conjunctivitis, corneal herbs, corneal ulcers and other eye diseases and ophthalmic surgery Includes those that develop with it.
- the therapeutic agent for pruritus of the present invention exerts an excellent pruritus-suppressing effect on itching, as is clear from the results of the eye pruritus suppression test described below.
- the therapeutic agent for pruritus of the present invention can be formulated as a single preparation or a combined preparation using a technique widely used, if necessary, by adding a pharmaceutically acceptable additive.
- the therapeutic agent for pruritus and the concomitant drug of the present invention can be administered parenterally or orally.
- oral preparations include liquid preparations for internal use (eg, elixirs, syrups, pharmaceutically acceptable solutions, suspensions, emulsions, etc.) and solid preparations for internal use (eg, tablets (sublingual tablets, sublingual tablets, Orally disintegrating tablets), pills, capsules (including hard capsules, soft capsules, gelatin capsules and microcapsules), powders, granules, troches and the like.
- Parenteral preparations include, for example, liquid preparations (for example, injections (subcutaneous injections, intravenous injections, intramuscular injections, intraperitoneal injections, drops, etc.), eye drops (For example, aqueous eye drops (aqueous eye drops, aqueous suspension eye drops, viscous eye drops, solubilized eye drops, etc.), non-aqueous eye drops (non-aqueous eye drops, non-aqueous suspension eye drops, etc.)) and the like); External preparations (eg, ointments (eg, ophthalmic ointments), gels, creams, compresses, patches, liniments, etc.), sprays, inhalants, sprays, nasal drops, suppositories (eg, rectal suppositories) Preparations, vaginal suppositories, etc.). These preparations may be release controlling agents such as immediate release preparations and sustained release preparations. These preparations can be produced by a known method, for example
- Liquid preparations for oral use as oral preparations are produced, for example, by dissolving, suspending or emulsifying the active ingredient in a commonly used diluent (eg, purified water, ethanol or a mixture thereof). Further, the liquid preparation may contain a wetting agent, a suspending agent, an emulsifying agent, a sweetening agent, a flavoring agent, a fragrance, a preservative, a buffering agent and the like.
- a commonly used diluent eg, purified water, ethanol or a mixture thereof.
- the liquid preparation may contain a wetting agent, a suspending agent, an emulsifying agent, a sweetening agent, a flavoring agent, a fragrance, a preservative, a buffering agent and the like.
- Solid preparations for internal use as oral preparations include, for example, excipients (eg, lactose, mannitol, glucose, microcrystalline cellulose, starch, etc.), binders (eg, hydroxypropylcellulose, polyvinylpyrrolidone) , Magnesium metasilicate aluminate, etc.), disintegrants (eg, calcium cellulose glycolate, etc.), lubricants (eg, magnesium stearate, etc.), stabilizers, solubilizing agents (daltamic acid, aspartic acid, etc.) , Etc. and formulated according to standard methods. If necessary, it may be coated with a coating agent (for example, sucrose, gelatin, hydroxypropylcellulose, hydroxypropylmethylcellulose phthalate, etc.), or may be coated with two or more layers.
- excipients eg, lactose, mannitol, glucose, microcrystalline cellulose, starch, etc.
- binders eg
- An external preparation as a parenteral preparation is manufactured and prepared by a known method or a commonly used formulation.
- an ointment is manufactured and prepared by grinding or melting an active ingredient as a base.
- the ointment base is selected from known or commonly used ones.
- higher fatty acids or higher fatty acid esters eg, adipic acid, myristic acid, palmitic acid, stearic acid, oleic acid, adipic acid ester, myristic acid ester, palmitic acid ester, stearic acid ester, oleic acid ester, etc.
- Waxes eg, beeswax, spermaceti, ceresin, etc.
- surfactants eg, boroxyethylene alkyl ether phosphate, etc.
- higher alcohols For example, selenol, stearyl alcohol, cetostearyl alcohol, etc.
- silicone oil for example, dimethylpolysiloxane, etc.
- hydrocarbons for example, hydrophilic serine, white petrolatum, purified lanolin, liquid paraffin, etc.
- glycols Eg, ethylene glycol, diethylene glycol, propylene dalicol, polyethylene dalicol, macrogol, etc.
- Gels are produced and prepared by, for example, melting an active ingredient in a base.
- the gel base is selected from known or commonly used ones.
- lower alcohols eg, ethanol, isopropyl alcohol, etc.
- gelling agents eg, carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, ethylcellulose, etc.
- neutralizing agents eg, Triethanolamine, diisopropanolamine, etc.
- surfactants for example, polyethylene daritol monostearate, etc.
- gums water, absorption enhancers, anti-rash agents, or a mixture of two or more Used as Further, it may contain a preservative, an antioxidant, a flavoring agent and the like.
- Creams are produced and prepared by, for example, melting or emulsifying an active ingredient in a base.
- the cream base is selected from those known or commonly used.
- higher fatty acid esters for example, higher fatty acid esters, lower alcohols, hydrocarbons, polyhydric alcohols (for example, propylene glycol, 1,3-butylene glycol, etc.), higher alcohols (2-hexyldecanol, spurol, etc.), Emulsifiers (polyoxyethylene alkyl ethers, fatty acid esters, etc.), water, absorption enhancers, rash preventives Used alone or in combination of two or more. , Flavoring agents and the like.
- the poultice is produced by, for example, melting an active ingredient in a base, forming a kneaded product, and spreading and applying the mixture on a support.
- the compress base is selected from known or commonly used ones.
- thickeners for example, polyacrylic acid, polypinylpyrrolidone, gum arabic, starch, gelatin, methylcellulose, etc.
- wetting agents for example, urea, glycerin, propylene dalicol, etc.
- fillers for example, force olyline, Zinc oxide, talc, calcium, magnesium, etc.
- solubilizers, tackifiers, and rash inhibitors are used alone or as a mixture of two or more. Further, it may contain a preservative, an antioxidant, a flavoring agent and the like.
- Patches are produced by, for example, melting an active ingredient in a base and spreading and applying the mixture on a support.
- the base for the patch is selected from known or commonly used ones.
- one selected from a polymer base, oils and fats, higher fatty acids, tackifiers, and rash preventives may be used alone or as a mixture of two or more. Further, they may contain preservatives, antioxidants, flavoring agents and the like.
- the active ingredient is dissolved or suspended in one or more selected from water, alcohol (eg, ethanol, polyethylene glycol, etc.), higher fatty acids, glycerin, soap, emulsifier, suspending agent, etc. Or it is manufactured and prepared by emulsification. Further, they may contain preservatives, antioxidants, flavoring agents and the like.
- Sprays and sprays are produced by known or commonly used formulations.
- it may contain a buffering agent that provides isotonicity with a stabilizer such as sodium bisulfite, for example, an isotonic agent such as sodium chloride, sodium citrate or citrate. May be.
- the inhalant includes an aerosol, a powder for inhalation or a liquid for inhalation, and the liquid for inhalation may be in the form of being dissolved or suspended in water or another appropriate medium before use.
- these inhalants include, for example, in the case of a liquid for inhalation, a preservative (eg, benzalkonium chloride, paraben, etc.), a coloring agent, a buffering agent (eg, sodium phosphate, sodium acetate, etc.), etc. It is prepared by appropriately selecting a tonicity agent (eg, sodium chloride, concentrated glycerin, etc.), a thickening agent (eg, carboxoxyvinyl polymer, etc.), an absorption enhancer and the like as needed.
- a preservative eg, benzalkonium chloride, paraben, etc.
- a coloring agent eg, sodium phosphate, sodium acetate, etc.
- a buffering agent eg, sodium phosphate,
- lubricants eg, stearic acid and its salts
- binders eg, starch, dextrin, etc.
- excipients eg, lactose, cellulose, etc.
- coloring agents e.g, lactose, cellulose, etc.
- Preservatives eg, benzalkonium chloride, Paraben etc.
- absorption promoters etc. are appropriately selected and prepared as needed.
- a nebulizer eg, an atomizer, a nebulizer, etc.
- an inhaler for a powdered drug is usually used to administer an inhalable powder.
- Parenteral injections include solutions, suspensions, emulsions, and solid injections which are dissolved or suspended in a solvent before use. Injections are used, for example, by dissolving, suspending or emulsifying the active ingredient in a solvent.
- a solvent for example, distilled water for injection, physiological saline, vegetable oil, propylene glycol, polyethylene glycol, alcohols such as ethanol, and the like, and combinations thereof are used.
- the injection includes a stabilizer, a solubilizer (eg, glutamic acid, aspartic acid, Polysorbate 80 (registered trademark), etc.), a suspending agent, an emulsifier, a soothing agent, a buffer, a preservative, and the like.
- a sterile solid preparation for example, a lyophilized product, can be produced and used before dissolving in sterile or sterile distilled water for injection or other solvents before use.
- Preferred dosage forms for use as a therapeutic agent for ocular pruritus include eye drops, eye ointments, tablets and the like, and more preferably eye drops or eye ointments. These can be formulated using commonly used techniques. For example, in the case of eye drops, an isotonic agent, a buffer, a pH adjuster, a solubilizer, a thickener, a stabilizer, a preservative, and the like can be appropriately added as additives. Also, a stable eye drop can be obtained by adding a pH adjuster, a thickener, a dispersant and the like to suspend the drug.
- tonicity agent examples include glycerin, propylene glycol, sodium chloride, potassium chloride, sorbitol, mannitol and the like.
- buffer examples include phosphoric acid, phosphate, citric acid, acetic acid, ⁇ -aminoprotic acid and the like.
- pH regulator examples include hydrochloric acid, citric acid, phosphoric acid, acetic acid, sodium hydroxide, potassium hydroxide, boric acid, borax, sodium carbonate, sodium hydrogen carbonate and the like.
- solubilizers examples include polysorbate 80, polyoxyethylene cured castor. Oil 60, Macrogol 4000 and the like.
- thickener and dispersant examples include cellulosic polymers such as hydroxypropylmethylcellulose and hydroxypropylcellulose, polyvinyl alcohol, and polyvinylpyrrolidone.
- stabilizer examples include edetic acid and edetate. Sodium acid and the like can be mentioned.
- preservatives examples include general-purpose sorbic acid, potassium sorbate, benzalkonium chloride, benzethonium chloride, methyl parahydroxybenzoate, propyl parahydroxybenzoate, chlorobutanol, and the like. They can be used in combination.
- the eye drops containing the therapeutic agent for pruritus of the present invention preferably have a pH of 4.0-8.5, and an osmotic pressure ratio of about 1.0.
- the dosage of the active ingredient when used as a therapeutic agent for pruritus can be appropriately selected depending on the symptoms, age, dosage form, etc., but in the case of an oral preparation, preferably 1 mg to 100 mg, more preferably 5 mg 3030 mg may be administered one to several times a day (eg, one to three times). If it is an eye drop, preferably 0.001 to 10% (w / v), more preferably 0.0
- a concentration of 0.001 to 10% (w / w), more preferably 0.01 to 1% (w / w) is preferably used once to several times a day (w / w). For example, 1 to 4 times).
- the piperidine derivative represented by the general formula (I) exerts an excellent pruritus suppressing effect on ocular pruritus. Therefore, the piperidine derivative of the present invention is useful as a therapeutic agent for any pruritus such as ocular pruritus, skin pruritus and systemic pruritus.
- Aluminum hydroxide gel-adsorbed ovalbumin (20 / ig / mL) was dissolved in physiological saline, and placed under the conjunctiva of both eyes of a 5-week-old male Hartley guinea pig.
- Active sensitization was performed by injecting 0 L each. On day 14 after the sensitization, a physiological saline solution containing 1.0% (WZV) of ovalbumin was instilled into both eyes by 10 L / eye.
- WZV physiological saline solution containing 1.0% (WZV) of ovalbumin
- a solution suspended in 1% hydroxypropylmethylcellulose was prepared, and administered to the eyes of the guinea pig at a dose of 10 / i L / eye 30 minutes before the administration of ovalbumin to the eye.
- 0.1% hydroxypropyl methylcellulose was used as a control.
- Table 1 shows the eye-gaze-inhibition-inhibition rate for the control (mean value) calculated according to the following equation. The number of cases is
- Eye-pulling behavior suppression rate 100— ([number of eye-pulling-ups of test compound] ⁇
- An eye drop having the following formulation is prepared using a commonly used method.
- Compound A 100 mg concentrated glycerin 500 mg polysorbate 80 200 mg sodium dihydrogen phosphate sodium hydrate
- An eye ointment having the following formulation is prepared using a commonly used method.
- the piperidine derivative of the present invention is useful as a therapeutic agent for any pruritus such as ocular pruritus, skin pruritus and systemic pruritus.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/564,579 US20060258703A1 (en) | 2003-07-17 | 2004-07-16 | Remedy for pruritus comprising piperidine derivative as the active ingredient |
EP04747906A EP1647274A4 (en) | 2003-07-17 | 2004-07-16 | REMEDY AGAINST PRURIT COMPRISING A PIPERIDINE DERIVATIVE AS AN ACTIVE INGREDIENT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003275845 | 2003-07-17 | ||
JP2003-275845 | 2003-07-17 |
Publications (1)
Publication Number | Publication Date |
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WO2005007161A1 true WO2005007161A1 (ja) | 2005-01-27 |
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ID=34074569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/010542 WO2005007161A1 (ja) | 2003-07-17 | 2004-07-16 | ピペリジン誘導体を有効成分とする掻痒治療剤 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060258703A1 (ja) |
EP (1) | EP1647274A4 (ja) |
TW (1) | TW200503709A (ja) |
WO (1) | WO2005007161A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018230713A1 (ja) | 2017-06-16 | 2018-12-20 | 学校法人同志社 | カスパーゼ阻害活性を有する化合物、これらの化合物を含む、角膜内皮の症状、障害または疾患を治療または予防するための医薬およびその応用 |
US11433090B2 (en) | 2017-06-16 | 2022-09-06 | The Doshisha | mTOR-inhibitor-containing medicine for treating or preventing ophthalmic symptoms, disorders, or diseases, and application thereof |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI250023B (en) * | 2001-10-22 | 2006-03-01 | Santen Pharmaceutical Co Ltd | Pharmaceutical composition for itch treating agent |
EP1944298B1 (en) | 2005-10-03 | 2013-01-09 | Nippon Shinyaku Co., Ltd. | Quinazoline derivative and pharmaceutical |
CA2637573C (en) * | 2006-02-21 | 2013-07-02 | Eisai R&D Management Co., Ltd. | 4-(3-benzoylaminophenyl)-6,7-dimethoxy-2-methylaminoquinazoline derivatives |
TW200808375A (en) * | 2006-05-12 | 2008-02-16 | Otsuka Pharma Co Ltd | Hydrogel suspension and manufacturing process thereof |
WO2008074853A1 (en) * | 2006-12-21 | 2008-06-26 | Novartis Ag | Ophthalmic rebamipide solution |
WO2008099887A1 (ja) * | 2007-02-16 | 2008-08-21 | Eisai R & D Management Co., Ltd. | メチル n-[3-(6,7-ジメトキシ-2-メチルアミノキナゾリン-4-イル)フェニル]テレフタラミックアシッドの結晶、非晶質体または塩 |
EP2202229B1 (en) | 2007-08-17 | 2012-03-14 | Eisai R&D Management Co., Ltd. | Novel preparation for external use |
CN101687820B (zh) * | 2007-08-17 | 2012-07-25 | 卫材R&D管理有限公司 | 喹唑啉衍生物的制造方法 |
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JP2001520196A (ja) * | 1997-10-17 | 2001-10-30 | スミスクライン・ビーチャム・コーポレイション | 化合物の抗掻痒活性のための新規な利用 |
WO2002014280A1 (fr) * | 2000-08-11 | 2002-02-21 | Ono Pharmaceutical Co., Ltd. | Dérivés de pipéridine et médicaments à base de tels principes actifs |
JP2002179572A (ja) * | 2000-10-06 | 2002-06-26 | Nikken Chem Co Ltd | アレルギー性眼疾患治療剤 |
JP2003089637A (ja) * | 2001-07-11 | 2003-03-28 | Nikken Chem Co Ltd | アレルギー性眼疾患の治療剤 |
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US5756508A (en) * | 1995-10-31 | 1998-05-26 | Merck & Co., Inc. | Muscarine antagonists |
FR2805739B1 (fr) * | 2000-03-06 | 2003-01-10 | Oreal | Composition de teinture d'oxydation des fibres keratiniques et procede de teinture mettant en oeuvre cette composition |
US6872382B1 (en) * | 2001-05-21 | 2005-03-29 | Alcon, Inc. | Use of selective PDE IV inhibitors to treat dry eye disorders |
DE60234031D1 (de) * | 2001-07-11 | 2009-11-26 | Nikken Chemicals Co Ltd | Mittel zur behandlung allergischer augenerkrankungen |
KR100960062B1 (ko) * | 2002-02-08 | 2010-05-31 | 오노 야꾸힝 고교 가부시키가이샤 | 피페리딘 유도체 화합물 및 상기 화합물을 유효성분으로서 함유하는 약제 |
-
2004
- 2004-07-16 US US10/564,579 patent/US20060258703A1/en not_active Abandoned
- 2004-07-16 TW TW093121246A patent/TW200503709A/zh unknown
- 2004-07-16 EP EP04747906A patent/EP1647274A4/en not_active Withdrawn
- 2004-07-16 WO PCT/JP2004/010542 patent/WO2005007161A1/ja not_active Application Discontinuation
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JP2001520196A (ja) * | 1997-10-17 | 2001-10-30 | スミスクライン・ビーチャム・コーポレイション | 化合物の抗掻痒活性のための新規な利用 |
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JP2002179572A (ja) * | 2000-10-06 | 2002-06-26 | Nikken Chem Co Ltd | アレルギー性眼疾患治療剤 |
JP2003089637A (ja) * | 2001-07-11 | 2003-03-28 | Nikken Chem Co Ltd | アレルギー性眼疾患の治療剤 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018230713A1 (ja) | 2017-06-16 | 2018-12-20 | 学校法人同志社 | カスパーゼ阻害活性を有する化合物、これらの化合物を含む、角膜内皮の症状、障害または疾患を治療または予防するための医薬およびその応用 |
US11433090B2 (en) | 2017-06-16 | 2022-09-06 | The Doshisha | mTOR-inhibitor-containing medicine for treating or preventing ophthalmic symptoms, disorders, or diseases, and application thereof |
Also Published As
Publication number | Publication date |
---|---|
US20060258703A1 (en) | 2006-11-16 |
EP1647274A4 (en) | 2008-12-10 |
EP1647274A1 (en) | 2006-04-19 |
TW200503709A (en) | 2005-02-01 |
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