WO2005113501A1 - 神経因性疼痛制御剤組成物 - Google Patents
神経因性疼痛制御剤組成物 Download PDFInfo
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- WO2005113501A1 WO2005113501A1 PCT/JP2005/009361 JP2005009361W WO2005113501A1 WO 2005113501 A1 WO2005113501 A1 WO 2005113501A1 JP 2005009361 W JP2005009361 W JP 2005009361W WO 2005113501 A1 WO2005113501 A1 WO 2005113501A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/46—Iso-indoles; Hydrogenated iso-indoles with an oxygen atom in position 1
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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
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/407—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
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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
- A61K31/4353—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 ortho- or peri-condensed with heterocyclic ring systems
- A61K31/437—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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
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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
- A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
- A61K31/454—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
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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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
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- 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]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/58—[b]- or [c]-condensed
- C07D209/62—Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles
- C07D209/64—Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles with an oxygen atom in position 1
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
Definitions
- the present invention relates to a novel pharmaceutical use of an isoindoline derivative as a neuropathic pain control agent.
- the present invention also provides a novel isoindoline derivative.
- Neuropathic pain is pain that occurs without stimulation of peripheral sensory receptors, and is pain that is caused by direct damage or compression of nerve tissue.
- Known neuropathic pain include acute herpes zoster, postherpetic neuralgia, painful neuropathy of diabetes, and cancer pain. If the pain is severe, the patient will be depressed, and the quality of life (QOL) will be significantly reduced.
- nalgesics are generally classified into antiphlogistic analgesics represented by aspirin and narcotic analgesics represented by morphine. These analgesics have little effect on neuropathic pain. Not known. At present, neuropathic pain is prescribed with anticonvulsants, antidepressants, anxiolytics, etc. Powerful drugs have long-lasting effects even if they achieve temporary pain relief. It is often difficult to administer for a period. Thus, there is a need in the clinical setting for drugs that are effective for neuropathic pain with few side effects.
- An object of the present invention is to provide a therapeutic agent effective for suppressing neuropathic pain. Another object of the present invention is to provide a novel isoindoline derivative.
- R and R may be the same or different
- X is a halogen atom, or an alkoxy group of Cl to 6 or a phenol group to which X is bonded, with the formula: [Chemical 2]
- n is an integer of 0 to 2, provided that X is an integer of 0 or 1 when X is a Cl-6 alkoxy group;
- Y is the formula:
- R is a linear or branched alkyl group of Cl-6, a linear or branched chain of C3-6
- Alkenyl group C3-6 linear or branched alkyl group, C5-6 cycloalkyl group, formula:
- a neuropathic pain control agent composition comprising the compound or a salt thereof.
- the present invention further provides a method for controlling neuropathic pain, comprising administering an effective amount of a compound represented by the formula (I) to a subject in need of controlling neuropathic pain.
- the present invention also provides a use of the compound represented by the formula (I) for producing a neuropathic pain control agent composition.
- composition of the present invention are novel. Accordingly, the present invention also provides these novel compounds.
- novel compounds of the present invention are as follows:
- FIG. 1 is a graph showing the analgesic effect of the compound of Example 1 of the present invention and gyabapentin in a neuropathic pain model (administration of 100 mg / kg).
- FIG. 1-2 is a graph showing the analgesic effect of the compound of Example 1 of the present invention and gyabapentin in a neuropathic pain model (30 mg / kg administration).
- FIG. 2-1 is a graph showing the analgesic effect of the compounds of Examples 1 to 6 of the present invention in a neuropathic pain model.
- FIG. 2-2 is a graph showing the analgesic effect of the compounds of Examples 7 to 14 of the present invention in a neuropathic pain model.
- FIG. 2-3 is a graph showing the analgesic effect of the compounds of Examples 15 to 22 of the present invention in a neuropathic pain model.
- FIG. 2-4 is a graph showing the analgesic effect of the compounds of Examples 23 to 25 of the present invention in a neuropathic pain model.
- FIG. 3 is a graph showing the analgesic effect of the compound of Example 1 of the present invention in a (+) body and a (one) body neuropathic pain model.
- FIG. 4 is a graph showing the results of a motor coordination test of the compound of Example 1 of the present invention and giabapentin.
- R and R may be the same or different.
- a good linear or branched Cl-6 alkyl group preferably a Cl-3 alkyl group, most preferably both R and R are methyl groups.
- X forms a group shown below together with a halogen atom, an alkoxy group of Cl to 6, or a phenol group to which X is bonded.
- halogen atom examples include chlorine, fluorine, bromine and iodine, and chlorine and fluorine are preferred, and fluorine is particularly preferred.
- X is a halogen atom
- m is 1 or Or an integer of 2.
- the halogen atom is preferably bonded at the meta and Z or para positions.
- the alkoxy group is preferably an alkoxy group of Cl to 3, particularly a methoxy group. Particularly, a compound in which an alkoxy group is bonded to the para position is preferably used.
- R is a linear or branched alkyl group of Cl-6, a linear or branched C3-6
- R is an alkyl group of Cl to 6, a linear alkyl of C3 to 6,
- a cyclopentyl group and a cyclohexyl group [0022] Z is oxygen or sulfur, and oxygen is particularly preferably used.
- the compound (I) of the present invention may be produced by any known method.
- the compound (I) of the present invention is obtained by converting the compound of the formula (VII) obtained according to Scheme 1 with the corresponding aminy conjugate (VIII) and WSC [1-ethyl-3- (3 dimethylaminopropyl) carbodiimide. [Hydrochloride] and ⁇ ⁇ ⁇ ⁇ (1-hydroxybenzotriazole hydrate) in dimethylformamide or tetrahydrofuran solvent.
- Dimethyl phthalic anhydride (III 1) is obtained by heating the acid anhydride obtained by the reaction of 2,3 dimethyl-1,3-butadiene with maleic anhydride with bromine in an acetic acid solvent .
- Indandicarboxylic anhydride (III 3) is obtained by converting a diester obtained by a reaction between 1,6 heptadiyne and acetylenedicarboxylic acid getyl ester into dicarboxylic acid with hydrochloric acid, By dehydration and ring closure.
- 1,3-dihydro-2benzofuran 5,6 dicarboxylic anhydride is propargylate It can be obtained in the same manner as when (III-3) is obtained using tell.
- 1,3-benzodioxole 5,6 dicarboxylic anhydride is 1,2-dibromo
- (III-2) can be obtained from (methylenedioxy) benzene by a method similar to that for obtaining (III-2).
- 1-tert-butoxycarbylbiperazine (IX) is heated with an appropriate bromo compound or a chlorophyll compound in an acetonitrile solvent in the presence of lithium carbonate to obtain a compound (X).
- the desired piperazine derivative can be obtained by the action of oral acetic acid.
- the compound represented by the formula (I) of the present invention may be contained in the form of a salt, and such a case is also included in the scope of the present invention.
- a salt any salt with a pharmaceutically acceptable inorganic acid or organic acid is suitably used.
- a caro salt with an acid for example, a salt with an inorganic acid such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, hydrobromic acid, or acetic acid or propionate
- an inorganic acid such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, hydrobromic acid, or acetic acid or propionate
- organic acids such as acid, fumaric acid, maleic acid, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, and benzenesulfonic acid.
- the compound represented by the formula (I) has optical isomers, and the compound contained in the neuropathic pain control agent composition of the present invention may be each isomer alone or a racemic form. May be.
- the compound represented by the formula (I) is usually obtained as a racemate, but when it contains a single optical isomer, it may be separated into optically active substances by a conventional method known per se.
- the optical isomers of the compound represented by the formula (I) the (1) isomer is more preferred.
- the isoindoline derivative represented by the formula (I) has an analgesic effect on neuropathic pain in mammals, and is suitably used for controlling neuropathic pain.
- the analgesic effect of the neuropathic pain control agent composition of the present invention can be obtained at a lower dose as compared with the currently used guinea buntin, and the onset of action is rapid.
- the neuropathic pain control agent composition of the present invention is used by orally or parenterally administering to mammals including humans, for example, intravenously, epidurally, intraspinal, subcutaneously, intramuscularly, or the like. be able to.
- the dosage form is not limited and may be appropriately set by those skilled in the art.
- tablets, soft capsules, capsules such as microcapsules, granules, powders, oral preparations such as syrups, emulsions, suspensions, etc., and external preparations such as injections, ointments, creams, rectal suppositories, vagina Suppositories, etc.
- Parenteral preparations such as suppositories, pellets, drops and sustained-release preparations, and these can be administered orally or parenterally, respectively.
- the pharmaceutical composition can be produced by a method commonly used in the technical field of pharmaceutical formulation, for example, a method described in the Japanese Pharmacopoeia.
- the content of the compound of the present invention in the pharmaceutical composition can be appropriately determined depending on the dosage form, dosage and the like, and is, for example, about 0.1 to: LOO% by weight.
- the composition of the present invention can be obtained by mixing the compound represented by the formula (I) or a salt thereof with a pharmaceutically acceptable carrier or the like to prepare a pharmaceutical composition.
- a carrier or the like is used at the time of formulation, and an organic or inorganic carrier substance is used.
- Substances to be blended as an agent, an isotonic agent, a buffer, an analgesic, etc. can be used without any particular limitation. If necessary, additives such as preservatives, antioxidants, coloring agents, sweeteners and the like may be added.
- Excipients include lactose, sucrose, D-mantol, D-sorbitol, starch, starch alpha, dextrin, crystalline cellulose, low-substituted hydroxypropylcellulose, sodium carboxymethylcellulose, gum arabic, Examples include pullulan, light silicic anhydride, synthetic aluminum silicate, and magnesium aluminate metasilicate. Examples of the lubricant include magnesium stearate, calcium stearate, talc, colloidal silica and the like.
- binder examples include pregelatinized starch, sucrose, gelatin, gum arabic, methylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, sucrose, D-man-tol, trehalose, dextrin, pullulan, Examples include hydroxypropylcellulose, hydroxypropylmethylcellulose, and polybutylpyrrolidone.
- Disintegrators include lactose, saccharose, starch, carboxymethylcellulose, carboxymethinoresenolerose kanoresum, croscanolemelose sodium, canoleboxy methinolestarch sodium, light caffeic anhydride, low substitution degree
- Examples include hydroxypropyl cellulose.
- Examples of the solvent include water for injection, physiological saline, Ringer's solution, alcohol, propylene glycol, polyethylene glycol, sesame oil, corn oil, olive oil, and cottonseed oil. I can get lost.
- Preferred examples of solubilizers include polyethylene glycol, propylene glycol, D-mantol, trehalose, benzyl benzoate, ethanol, trisaminomethane, cholesterol, triethanolamine, sodium carbonate, sodium citrate, and salici. Examples thereof include sodium luate and sodium acetate.
- suspending agent examples include surfactants such as stearyltriethanolamine, sodium lauryl sulfate, laurylaminopropionic acid, lecithin, benzalcodium chloride, benzethonium chloride and glyceryl monostearate; Hydrophilic alcohols such as butyl alcohol, polypyrrolidone, sodium carboxymethylcellulose, methylcellulose, hydroxymethylcellulose, hydroxyethylcellulose and hydroxypropylcellulose; polysorbates, and polyoxyethylene hydrogenated castor oil.
- surfactants such as stearyltriethanolamine, sodium lauryl sulfate, laurylaminopropionic acid, lecithin, benzalcodium chloride, benzethonium chloride and glyceryl monostearate
- Hydrophilic alcohols such as butyl alcohol, polypyrrolidone, sodium carboxymethylcellulose, methylcellulose, hydroxymethylcellulose, hydroxyethylcellulose and hydroxypropylcellulose
- Examples of the tonicity agent include sodium salt sodium, glycerin, D-mantol, D-sorbitol, glucose and the like.
- Examples of the buffer include buffers such as phosphate, acetate, carbonate, and citrate.
- Examples of the soothing agent include benzyl alcohol and the like.
- Examples of preservatives include noroxybenzoate esters, chlorobutanol, benzyl alcohol, phenyl alcohol, dehydroacetic acid, sorbic acid, etc.o
- antioxidants include sulfites, ascorbate, etc. Is done.
- As a coloring agent include sodium salt sodium, glycerin, D-mantol, D-sorbitol, glucose and the like.
- Examples of the buffer include buffers such as phosphate, acetate, carbonate, and citrate.
- Examples of the soothing agent include benzyl alcohol and the like.
- Examples of preservatives include noroxybenzoate esters, chlorobutanol
- Edible dyes include water-insoluble lake dyes, and natural dyes (eg, j8-potency rotin, chlorophyll, red iron oxide, etc.).
- Sweetening agents include saccharin sodium, dipotassium glycyrrhizinate, aspartame, stevia and the like.
- neuropathic pain control agent composition of the present invention may be supplemented with other medicinal ingredients unless it violates the purpose of the present invention.
- the composition of the present invention may be used for neuropathic pain, for example, acute herpes zoster, postherpetic neuralgia, painful neuropathy of diabetes, prolonged postoperative pain, reflex sympathetic atrophy, tooth extraction. It can be used for pain control for patients suffering from retroreflective sympathetic dystrophy, phantom limb pain and cancer pain.
- control of pain means not only administration when a pain attack occurs, analgesia by periodic administration for chronic pain, etc., but also administration in advance when pain is predicted to occur. It should also include preventive measures, such as preventing pain attacks by periodically administering pain if it occurs repeatedly.
- "subjects in need of controlling neuropathic pain” include patients suffering from pain as described above and patients predicted to develop pain. I do.
- the effective amount of the compound represented by the formula (I) is not particularly limited and may be appropriately selected depending on the age, sex, body weight, health condition, and severity of neuropathic pain to be administered. Just fine.
- Typical examples of the use as an oral analgesic include, but are not limited to, the isoindoline derivative of the present invention represented by the formula (I) in an amount of about 0.1 to: LOOmg / kg, preferably 3.0 to 3Og.
- Administer .OmgZkg orally The isoindoline derivative of the present invention can be orally administered at the time of pain induction since the onset of the effect is rapid. It may also be administered periodically for chronic persistent pain, for example, 'morning' noon 'and Z or three times a day before bedtime and Z or four times a day. Further, if necessary, it may be administered in combination with an analgesic aid such as an anti-inflammatory analgesic, an antidepressant, or an anticonvulsant.
- an analgesic aid such as an anti-inflammatory analgesic, an antidepressant, or an anticonvulsant.
- 1,2-Dicyano 4,5-getylbenzene (2.3 g, 12 mmol) was heated and stirred in 75% sulfuric acid (30 ml) at 150 ° C. for 3.5 hours.
- the reaction solution was poured into ice water, and the precipitated crystals were collected by filtration, washed with water, dissolved in a 10% aqueous sodium hydroxide solution, and insolubles were separated by filtration.
- the filtrate was acidified with concentrated hydrochloric acid, and the precipitated crystals were collected by filtration, washed with water and dried to obtain 1.5 g of 4,5-getylphthalic acid.
- reaction solution was concentrated under reduced pressure, the residue was dissolved in chloroform, and unreacted (carboethoxymethylene) triphenylphosphorane was adsorbed on silica gel to remove the crude product.
- the crude product was removed from methanol (40 ml), 15% The mixture was heated and stirred at 80 ° C for 4 hours in an aqueous K 2 CO solution (11 ml).
- reaction solution was concentrated under reduced pressure, water was added to the residue, extracted with getyl ether, the aqueous layer was made acidic with concentrated hydrochloric acid, and the precipitated crystals were collected by filtration, washed with water, and dried to give 2.36 g of the title compound. Obtained.
- the salt was formed with phenethylamine, and the salt was fractionally recrystallized using ethanol. The resulting salt was treated with 1N hydrochloric acid to give the title compound.
- Compound 5 is a novel compound to the applicant's knowledge.
- the method of preparing a neuropathic pain model animal was partially modified from that described in Pain, 87, 149 (2000). That is, under pentobarbital anesthesia, the right hind limb sciatic nerve of the mouse was exposed. Of the three peripheral branches of the mouse sciatic nerve, the tibial nerve (tibial nerve) was ligated all around, and the common peroneal nerve and sural nerve were not ligated. The left hind limb was used as an untreated control. One week after ligation, the feet of both hind limbs were stimulated 6 times with von Frey filament (0.6 g), and the scores of the 6 stimulations were totaled according to the following evaluation criteria to obtain a pain score. The maximum value of the pain score is 12. The escape response to the stimulus was evaluated based on the pain score. Then, after oral administration of the test substance, stimulation is performed in the same manner! ⁇ , the withdrawal response to the stimulus was evaluated.
- the response of the von Frey filament to the stimulus is determined when the mouse exerts no force to respond to the stimulus given by pressing the tip of the von Frey filament to the center of the foot so that the filament bends slightly.
- the score is 0, the score is 1 if you move your foot lightly to get away from the filament, and the score is 2 if you lick or shake vigorously.
- BALBZc male mice of 6 to 8 weeks of age were used in groups of 3 to 5 mice.
- the compound of Example 1 was orally administered at 30 or 100 mgZkg, and pain scores before and up to 3 hours after administration were measured over time.
- As a comparative drug 30 or 100 mgZkg of gyabapentin was orally administered, and the pain score was measured in the same manner. The results are shown in Figure 1.
- the analgesic effect of the compound of the present invention was expressed at a dose lower than that of giabapentin.
- the compound of the present invention showed an analgesic effect immediately after oral administration of 30 mgZkg at 5 minutes after administration.
- Test example 2 The analgesic effect on neuropathic pain of the compound produced in the above Synthesis Example was evaluated.
- the compound of the present invention has an analgesic effect on neuropathic pain.
- Example 1 The compound of Example 1 was optically resolved according to a conventional method to obtain a (+)-isomer and a (-)-isomer, respectively.
- Table 3 summarizes the analgesic effect of each compound evaluated in Test Examples 1 to 3 on neuropathic pain.
- ++ indicates that the analgesic effect was the same or more than that of the compound of Example 1
- + indicates that the compound had an analgesic effect but was lower than that of the compound of Example 1. The case where the analgesic effect was observed and helplessness was considered as one.
- Example Analgesic activity Discussion Analgesic activity Male example 1 + + Comparative example 1-Example 1 (one) + + Comparative example 2-Example Comparative example 3-
- the compound of the present invention has a strong analgesic effect at a dose (30 mg / kg) without lowering motor coordination, and it can be said that the analgesic effect occurs without affecting motor function.
- Each component is mixed with 50 mg of the compound of Example 1 per tablet such that 200 mg of lactose, 40 mg of crystalline cellulose, and 5 mg of magnesium stearate are obtained, and the mixture is press-molded by a conventional method using a tableting machine to obtain tablets.
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Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006513751A JPWO2005113501A1 (ja) | 2004-05-24 | 2005-05-23 | 神経因性疼痛制御剤組成物 |
| MXPA06013766A MXPA06013766A (es) | 2004-05-24 | 2005-05-23 | Composicion para el control del dolor neuropatico. |
| US11/587,367 US20080021042A1 (en) | 2004-05-24 | 2005-05-23 | Composition For Controlling Neuropathic Pain |
| AU2005245292A AU2005245292A1 (en) | 2004-05-24 | 2005-05-23 | Neurogenic pain control agent composition |
| EP05741421A EP1749817A4 (en) | 2004-05-24 | 2005-05-23 | COMPOSITION OF MEANS FOR COMBATING NEUROGENIC PAIN |
| CA002563968A CA2563968A1 (en) | 2004-05-24 | 2005-05-23 | Neurogenic pain control agent composition |
| BRPI0511546-9A BRPI0511546A (pt) | 2004-05-24 | 2005-05-23 | composição para o controle de dor neuropática, uso e derivados de isoindolina |
| IL178814A IL178814A0 (en) | 2004-05-24 | 2006-10-23 | Composition for controlling neuropathic pain |
| NO20064868A NO20064868L (no) | 2004-05-24 | 2006-10-25 | materiale for nevrogenisk smerteregulering |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004153206 | 2004-05-24 | ||
| JP2004-153206 | 2004-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005113501A1 true WO2005113501A1 (ja) | 2005-12-01 |
Family
ID=35428364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/009361 Ceased WO2005113501A1 (ja) | 2004-05-24 | 2005-05-23 | 神経因性疼痛制御剤組成物 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US20080021042A1 (ja) |
| EP (1) | EP1749817A4 (ja) |
| JP (1) | JPWO2005113501A1 (ja) |
| CN (1) | CN1956955A (ja) |
| AU (1) | AU2005245292A1 (ja) |
| BR (1) | BRPI0511546A (ja) |
| CA (1) | CA2563968A1 (ja) |
| EC (1) | ECSP067107A (ja) |
| IL (1) | IL178814A0 (ja) |
| MX (1) | MXPA06013766A (ja) |
| NO (1) | NO20064868L (ja) |
| RU (1) | RU2006145875A (ja) |
| TW (1) | TW200602318A (ja) |
| WO (1) | WO2005113501A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008008020A1 (en) * | 2006-07-12 | 2008-01-17 | Astrazeneca Ab | 3-oxoisoindoline-1-carboxamide derivatives as analgesic agents |
| US7521451B2 (en) * | 2002-11-26 | 2009-04-21 | Maruishi Pharmaceutical Co., Ltd. | Isoindoline derivative |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803905B (zh) * | 2015-04-17 | 2017-10-10 | 复旦大学 | 一种合成异吲哚啉‑1‑酮衍生物的方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984003089A1 (fr) * | 1983-02-05 | 1984-08-16 | Takeda Chemical Industries Ltd | Derives condenses de pyrrolinone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2117740B1 (ja) * | 1970-12-14 | 1974-04-12 | Rhone Poulenc Sa | |
| ATE39483T1 (de) * | 1982-04-02 | 1989-01-15 | Takeda Chemical Industries Ltd | Kondensierte pyrrolinon-derivate, und ihre herstellung. |
| JP2002512633A (ja) * | 1997-06-26 | 2002-04-23 | イーライ・リリー・アンド・カンパニー | 抗血栓剤 |
| ES2393645T3 (es) * | 2002-11-26 | 2012-12-26 | Maruishi Pharmaceutical Co., Ltd. | Derivado de isoindolina |
-
2005
- 2005-05-23 AU AU2005245292A patent/AU2005245292A1/en not_active Abandoned
- 2005-05-23 RU RU2006145875/04A patent/RU2006145875A/ru not_active Application Discontinuation
- 2005-05-23 BR BRPI0511546-9A patent/BRPI0511546A/pt not_active IP Right Cessation
- 2005-05-23 WO PCT/JP2005/009361 patent/WO2005113501A1/ja not_active Ceased
- 2005-05-23 US US11/587,367 patent/US20080021042A1/en not_active Abandoned
- 2005-05-23 CA CA002563968A patent/CA2563968A1/en not_active Abandoned
- 2005-05-23 TW TW094116659A patent/TW200602318A/zh unknown
- 2005-05-23 MX MXPA06013766A patent/MXPA06013766A/es unknown
- 2005-05-23 EP EP05741421A patent/EP1749817A4/en not_active Withdrawn
- 2005-05-23 CN CNA2005800168374A patent/CN1956955A/zh active Pending
- 2005-05-23 JP JP2006513751A patent/JPWO2005113501A1/ja not_active Withdrawn
-
2006
- 2006-10-23 IL IL178814A patent/IL178814A0/en unknown
- 2006-10-25 NO NO20064868A patent/NO20064868L/no not_active Application Discontinuation
- 2006-12-21 EC EC2006007107A patent/ECSP067107A/es unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984003089A1 (fr) * | 1983-02-05 | 1984-08-16 | Takeda Chemical Industries Ltd | Derives condenses de pyrrolinone |
Non-Patent Citations (2)
| Title |
|---|
| HAMAGUCHI S ET AL: "Mansei Totsu ni Taisuru Chintsu Hojoyaku.", vol. 203, no. 1, 5 October 2002 (2002-10-05), pages 59 - 63, XP008094693 * |
| See also references of EP1749817A4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7521451B2 (en) * | 2002-11-26 | 2009-04-21 | Maruishi Pharmaceutical Co., Ltd. | Isoindoline derivative |
| WO2008008020A1 (en) * | 2006-07-12 | 2008-01-17 | Astrazeneca Ab | 3-oxoisoindoline-1-carboxamide derivatives as analgesic agents |
Also Published As
| Publication number | Publication date |
|---|---|
| ECSP067107A (es) | 2007-02-28 |
| EP1749817A1 (en) | 2007-02-07 |
| NO20064868L (no) | 2007-02-26 |
| EP1749817A4 (en) | 2007-12-26 |
| CN1956955A (zh) | 2007-05-02 |
| IL178814A0 (en) | 2007-03-08 |
| CA2563968A1 (en) | 2005-12-01 |
| RU2006145875A (ru) | 2008-06-27 |
| JPWO2005113501A1 (ja) | 2008-03-27 |
| AU2005245292A1 (en) | 2005-12-01 |
| TW200602318A (en) | 2006-01-16 |
| BRPI0511546A (pt) | 2008-01-02 |
| US20080021042A1 (en) | 2008-01-24 |
| MXPA06013766A (es) | 2007-02-08 |
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