JP6510549B2 - 運動失調性障害の予防または治療での使用におけるピリダジン誘導体 - Google Patents
運動失調性障害の予防または治療での使用におけるピリダジン誘導体 Download PDFInfo
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- JP6510549B2 JP6510549B2 JP2016555645A JP2016555645A JP6510549B2 JP 6510549 B2 JP6510549 B2 JP 6510549B2 JP 2016555645 A JP2016555645 A JP 2016555645A JP 2016555645 A JP2016555645 A JP 2016555645A JP 6510549 B2 JP6510549 B2 JP 6510549B2
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- Prior art keywords
- hydroxypyridazin
- ethyl
- group
- hydroxy
- trifluoromethyl
- Prior art date
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- 206010003591 Ataxia Diseases 0.000 title claims description 38
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims description 36
- 208000035475 disorder Diseases 0.000 title claims description 34
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- 238000011321 prophylaxis Methods 0.000 title claims description 4
- 150000004892 pyridazines Chemical class 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 50
- 208000009415 Spinocerebellar Ataxias Diseases 0.000 claims description 32
- 239000008194 pharmaceutical composition Substances 0.000 claims description 24
- 102000014461 Ataxins Human genes 0.000 claims description 22
- 108010078286 Ataxins Proteins 0.000 claims description 22
- 206010008025 Cerebellar ataxia Diseases 0.000 claims description 22
- 201000004562 autosomal dominant cerebellar ataxia Diseases 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000003814 drug Substances 0.000 claims description 13
- 208000024412 Friedreich ataxia Diseases 0.000 claims description 12
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- NTQJIGODKGILKS-UHFFFAOYSA-N 6-[(4-chlorophenyl)methyl]-1,2-dihydropyridazine-3,4-dione Chemical compound N1C(=O)C(O)=CC(CC=2C=CC(Cl)=CC=2)=N1 NTQJIGODKGILKS-UHFFFAOYSA-N 0.000 claims description 4
- VXMITFXRZIEUCJ-UHFFFAOYSA-N 6-[2-(4-fluorophenyl)ethyl]-1,2-dihydropyridazine-3,4-dione Chemical compound N1C(=O)C(O)=CC(CCC=2C=CC(F)=CC=2)=N1 VXMITFXRZIEUCJ-UHFFFAOYSA-N 0.000 claims description 4
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- 229960002495 buspirone Drugs 0.000 claims description 4
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- 229960000623 carbamazepine Drugs 0.000 claims description 4
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- 229940028937 divalproex sodium Drugs 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 229960002870 gabapentin Drugs 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- 229960004002 levetiracetam Drugs 0.000 claims description 4
- 229960005343 ondansetron Drugs 0.000 claims description 4
- 229960003089 pramipexole Drugs 0.000 claims description 4
- 229960002393 primidone Drugs 0.000 claims description 4
- 229960003712 propranolol Drugs 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- 229960000488 tizanidine Drugs 0.000 claims description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 4
- MSRILKIQRXUYCT-UHFFFAOYSA-M valproate semisodium Chemical compound [Na+].CCCC(C(O)=O)CCC.CCCC(C([O-])=O)CCC MSRILKIQRXUYCT-UHFFFAOYSA-M 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 2
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims description 2
- 125000004738 (C1-C6) alkyl sulfinyl group Chemical group 0.000 claims description 2
- 125000004890 (C1-C6) alkylamino group Chemical group 0.000 claims description 2
- 125000004916 (C1-C6) alkylcarbonyl group Chemical group 0.000 claims description 2
- 125000004739 (C1-C6) alkylsulfonyl group Chemical group 0.000 claims description 2
- 125000006700 (C1-C6) alkylthio group Chemical group 0.000 claims description 2
- 125000004737 (C1-C6) haloalkoxy group Chemical group 0.000 claims description 2
- ODAJAZMNOCKMGG-UHFFFAOYSA-N 4-[2-(5,6-dioxo-1,2-dihydropyridazin-3-yl)ethyl]benzonitrile Chemical compound N1C(=O)C(O)=CC(CCC=2C=CC(=CC=2)C#N)=N1 ODAJAZMNOCKMGG-UHFFFAOYSA-N 0.000 claims description 2
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- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
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- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
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- 239000008240 homogeneous mixture Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
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- 238000007918 intramuscular administration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BKWBIMSGEOYWCJ-UHFFFAOYSA-L iron;iron(2+);sulfanide Chemical compound [SH-].[SH-].[Fe].[Fe+2] BKWBIMSGEOYWCJ-UHFFFAOYSA-L 0.000 description 1
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 1
- FZWBNHMXJMCXLU-BLAUPYHCSA-N isomaltotriose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@@H](OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O)O1 FZWBNHMXJMCXLU-BLAUPYHCSA-N 0.000 description 1
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- 208000018883 loss of balance Diseases 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
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- 229920000136 polysorbate Polymers 0.000 description 1
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- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 210000002804 pyramidal tract Anatomy 0.000 description 1
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- 239000008247 solid mixture Substances 0.000 description 1
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- 238000007920 subcutaneous administration Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 210000000225 synapse Anatomy 0.000 description 1
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- 239000006188 syrup Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
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- 150000003892 tartrate salts Chemical class 0.000 description 1
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- 229940126585 therapeutic drug Drugs 0.000 description 1
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- 125000005490 tosylate group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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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
- 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
- A61K31/50—Pyridazines; Hydrogenated pyridazines
-
- 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
- A61K31/13—Amines
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/415—1,2-Diazoles
-
- 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
- A61K31/50—Pyridazines; Hydrogenated pyridazines
- A61K31/501—Pyridazines; Hydrogenated pyridazines not condensed and containing further heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
-
- 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
-
- 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
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2300/00—Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Psychology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
R1は、水素若しくはフッ素原子またはトリフルオロメチル基を表し;
R2は、基−X−Y−R3を表し;
X及びYは、各々互いに独立して、結合、酸素原子または基−C(O)、−S(O)n、 −C(O)NR4、−S(O)2NR4、−NR4、
nは0、1または2であり;
各R4は互いに独立して、水素原子またはC1−C6アルキル基若しくはC1−C6ハロアルキル基を表し;
各R5は互いに独立して、水素原子、C1−C6アルキル基若しくはC1−C6ハロアルキル基または=CH−を表し;
R3は、3〜10員の飽和または不飽和の炭素環若しくは複素環式の環系を表し、かかる環系自体は、任意選択で、ハロゲン基、ヒドロキシル基、シアノ基、オキソ基、C1−C6アルキル基、C2−C6アルケニル基、C1−C6ハロアルキル基、C1−C6ヒドロキシアルキル基、C1−C6アルコキシ基、C1−C6ハロアルコキシ基、C1−C6アルキルチオ基、C1−C6アルキルスルフィニル基、C1−C6アルキルスルホニル基、C1−C6アルキルカルボニル基、C1−C6アルキルカルボニルオキシ基、C1−C6アルコキシカルボニル基、アミノ(−NH2)基、−CON(R6)2基、C1−C6アルキルアミノ基、ジ−(C1−C6アルキル)アミノ基、C3−C6シクロアルキル基、C3−C6シクロアルキルオキシ基、C3−C6シクロアルキルメチル基、−[O]p−(CH2)q−O−R7基及び4〜6員の飽和若しくは不飽和の複素環(任意選択で、C1−C4アルキル及びC1−C4アルコキシから選択される少なくとも1つの置換基で置換される)から選択される少なくとも1つの置換基で置換され;
各R6は互いに独立して、水素原子またはC1−C6アルキル基を表し;
pは、0または1であり;
qは、1、2、3または4であり;かつ
R7は、C1−C6アルキル基を表す]
またはその薬学的に許容される塩が提供される。
4−ヒドロキシ−6−(2−フェニルエチル)ピリダジン−3(2H)−オン;
6−[2−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[5−(トリフルオロメチル)ピリジン−2−イル]エチル}ピリダジン−3(2H)−オン;
6−[(4−クロロベンジル)スルファニル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[6−(トリフルオロメチル)ピリジン−3−イル]エチル}ピリダジン−3(2H)−オン;
6−[2−(3−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(2−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,5−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,4−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[3−(トリフルオロメトキシ)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[3−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[5−(トリフルオロメチル)ピリジン−3−イル]エチル}ピリダジン−3(2H)−オン;
6−(2−シクロヘキシルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−シクロプロピルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−シクロペンチルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−[2−(4−メトキシシクロヘキシル)エチル]ピリダジン−3(2H)−オン;
6−[2−(2,4−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−{2−[3−(ジフルオロメチル)フェニル]エチル}−4−ヒドロキシピリダジン−3(2H)−オン;
6−ベンジル−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−(1−フェニルシクロプロピル)ピリダジン−3(2H)−オン;
4−[2−(5−ヒドロキシ−6−オキソ−1,6−ジヒドロピリダジン−3−イル)エチル]ベンゾニトリル;
6−[2−(3−フルオロ−4−メチルフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(4−フルオロ−3−メチルフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,4−ジメトキシフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(4−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(2−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[2−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
6−(4−(ジフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−(トリフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−(ジフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−[1−(4−フルオロフェニル)シクロプロピル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[1−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{1−[3−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[4−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
6−((シクロプロピルメチル)(メチル)アミノ)−4−ヒドロキシピリダジン−3(2H)−オン;
6−((シクロヘキシルメチル)(メチル)アミノ)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(シクロヘキシルメチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−クロロ−6−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−メチルベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−メチルベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−(3−(トリフルオロメチル)ベンジル)ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−[2−(オキサン−4−イル)エチル]ピリダジン−3(2H)−オン;
6−{[(4−フルオロフェニル)メチル](メチル)アミノ}−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−[2−(2,6−ジフルオロフェニル)エチル]−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−[2−(2−クロロ−6−フルオロフェニル)エチル]−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−{[3,5−ビス(トリフルオロメチル)フェニル]メチル}−4−ヒドロキシピリダジン−3(2H)−オン;
6−(1−フェニルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(シクロプロピルメチル)−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
4−ヒドロキシ−6−{1−[4−(トリフルオロメチル)フェニル]シクロプロピル}−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2−クロロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2−フルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[3,5−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2,4−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロ−ピリダジン−3−オン;
6−{2−[3,4−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
4−ヒドロキシ−6−(3−メチル−4−(トリフルオロメチル)フェネチル)ピリダジン−3(2H)−オン;
3,4−ビス(ベンジルオキシ)−6−((3−クロロ−4−(トリフルオロメチル)フェニル)エチル)ピリダジン;
4−ヒドロキシ−6−{2−[2−メチル−4−(トリフルオロメチル)フェニル]エチル}−2,3−ジヒドロピリダジン−3−オン;
6−{2−[3,5−ジフルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;及び
6−{2−[3−フルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オンから選択される。
6−[2−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[4−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
6−(4−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;及び
6−(2−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン
から選択される。
梁歩行試験
フリードライヒ運動失調症(FRDA)は常染色体劣性神経変性疾患であり、FXN遺伝子のイントロン1内部のGAAリピート伸長の変異により引き起こされ、フラタキシンタンパク質レベルが低下する。正常な個人は5〜40のGAAリピート配を有するが、罹患した個人は約70〜1000を超えるGAAリピート配列を有する。フラタキシンは、鉄−硫黄クラスター及びヘム生合成に関与するミトコンドリアのタンパク質である。フラタキシンの発現が低下すると、主に後根神経節及び小脳歯状核のニューロンで酸化ストレス、ミトコンドリアの鉄蓄積及びそれに続く細胞死をもたらす。FRDAは、白色人種の50,000人に1人が罹患する最も一般的な遺伝性運動失調であり、神経変性、心筋症、糖尿病及び骨格変形により特徴づけられる(Pandolfo M., “Friedreich Ataxia”, Arch Neurol.,2008,10,1296−1303)。
FRDA分子疾患のメカニズムと治療について調べるため、ヒトFXN YACトランスジェニックマウスモデルを確立した:YG8sRは、YG8Rを繁殖させて(Anjomani Virmouni, S., “Cellular, molecular and functional characterisation of YAC transgenic mouse models of Friedreich ataxia”, PLoS One,2014,9,1−13に記載される)120〜220のGAAリピート配列を持たせたモデルである。
雄と雌のマウスを使用し、いずれも試験時4〜5月齢であった。長さ90cm、直径22mmの木製梁を使用して梁歩行試験を行った。梁の一端は60Wランプを備えた幅の狭い支持体に取り付けられ、もう一端には暗くしたエスケープボックスを配置し、ベンチ表面から50cm上の高さに水平に置いた。協調能力は、マウスが梁を渡ってエスケープボックスに入るまでに要した時間を計測して評価した。マウスは初期トレーニングを2セッション受け、その後、梁を渡る能力を4回評価した(テスト1)。マウスが梁を渡る潜時を記録した。その後、マウスに、ビヒクル(1%ポリオキシエチレンソルビタンモノオレアート(「Tween80(商標)」として市販されている)/0.5%メチルセルロースの水溶液を用量10mL/kgで投与)または上述の式(I)の化合物であるDAAO阻害剤(用量0.3、1.0または3.0mg/kgを上記ビヒクルに懸濁させ、用量10mL/kgで投与)を経口投与し、ホームケージに戻した。5時間後、再度、マウスの梁を渡る能力を4回評価し、梁を渡る潜時を記録した(テスト2)。
群Aには、ビヒクルのみを投与し対照群とした。
群Bには、DAAO阻害剤を0.3mg/kgの用量で投与した。
群Cには、DAAO阻害剤を1.0mg/kgの用量で投与した。
群Dには、DAAO阻害剤を3.0mg/kgの用量で投与した。
遅延瞬目反射条件付け試験
瞬目反射条件付け(EBC)は古典的条件付けの一形態であり、学習及び記憶の基礎となる神経の構造とメカニズムの研究に広く使用されている。その課題は、聴覚または視覚の刺激(条件刺激(CS))と、瞬きを引き起こす無条件刺激(US)(例えば、角膜への軽いエアパフ、または軽いショック)とを、例えば、Weeks, A. et al., “Eye−blink classical conditioning is associated with changes in synaptic ultrastructure in the interpositus nuclei of the rabbit cerebellum”, Learning&Memory,2007,14,385−389に記載のように組み合わせて構成される。
3月齢の雄C57Bl6マウスの眼輪筋に記録電極を、また眼窩上神経上に刺激電極を埋め込んだ。古典的条件付けのため、条件刺激(CS)として350−msのトーン音を動物に提示し、刺激終了時、無条件刺激(US)として眼窩上神経に電気パルスを与えた。古典的条件付けは遅延パラダイムを使用して成立させた。これには、トーン音(350ms、2kHz、85〜90dB)をCSとして提示した。USの構成は、1ミリ秒のインターパルス間隔を間に挟んだパルス一組とした。各パルスの持続時間は0.1ミリ秒であった。CS終了時USを提示した。合計で馴化2回、条件付け10回、及び消去5回のセッションを各動物に行った。この方法のさらなる詳細は、論文Gruart A., “Involvement of the CA3−CA1 synapse in the acquisition of associative learning in behaving mice”, J Neurosci.,2006,26,1077−1087の記載に見ることができる。
群Bにはビヒクル1に溶解させた式(I)のDAAO阻害剤の溶液を用量0.1mg/kgで経口投与し(溶液1);
群Cにはビヒクル1に溶解させた式(I)のDAAO阻害剤(群Bと同一のもの)の溶液を用量1.0mg/kgで経口投与し(溶液2);
群Dにはビヒクル2を皮下投与し(蒸留水);
群Eにはビヒクル2に溶解させたスコポラミン溶液を用量0.3mg/kgで皮下投与し(溶液3);
群Fには溶液1を経口投与し、溶液3を皮下投与し;
群Gには溶液2を経口投与し、溶液3を皮下投与し;
群Hにはビヒクル1を経口投与し、ビヒクル2を皮下投与し;
群Iは未処置の対照群とした。
Claims (19)
- 式(I)、
[式中、
R1は、水素若しくはフッ素原子またはトリフルオロメチル基を表し;
R2は、基-X−Y−R3を表し;
X及びYは各々互いに独立して、結合、酸素原子または基−C(O)、−S(O)n、−C(O)NR4、−S(O)2NR4、−NR4、
または−CR4R5−を表すが、X及びYの両方が同時に結合を表すことはなく、かつ、X及びYの両方がともに結合ではない場合、X及びYの少なくとも一方は−CR4R5−を表し;
nは0、1または2であり;
各R4は互いに独立して、水素原子またはC1−C6アルキル基若しくはC1−C6ハロアルキル基を表し;
各R5は互いに独立して、水素原子、C1−C6アルキル基若しくはC1−C6ハロアルキル基または=CH−を表し;
R3は、3〜10員の飽和または不飽和の炭素環若しくは複素環式の環系を表し、かかる環系自体は、任意選択で、ハロゲン基、ヒドロキシル基、シアノ基、オキソ基、C1−C6アルキル基、C2−C6アルケニル基、C1−C6ハロアルキル基、C1−C6ヒドロキシアルキル基、C1−C6アルコキシ基、C1−C6ハロアルコキシ基、C1−C6アルキルチオ基、C1−C6アルキルスルフィニル基、C1−C6アルキルスルホニル基、C1−C6アルキルカルボニル基、C1−C6アルキルカルボニルオキシ基、C1−C6アルコキシカルボニル基、アミノ基、−CON(R6)2基、C1−C6アルキルアミノ基、ジ−(C1−C6アルキル)アミノ基、C3−C6シクロアルキル基、C3−C6シクロアルキルオキシ基、C3−C6シクロアルキルメチル基、−[O]p−(CH2)q−O−R7及び4〜6員の飽和または不飽和の複素環(任意選択で、C1−C4アルキル基及びC1−C4アルコキシ基から選択される少なくとも1つの置換基で置換される)から選択される少なくとも1つの置換基で置換され;
各R6は互いに独立して、水素原子またはC1−C6アルキル基を表し;
pは0または1であり;
qは1、2、3または4であり;かつ
R7は、C1−C6アルキル基を表す]
の化合物、またはその薬学的に許容される塩を含有する、運動失調性障害の予防または治療用医薬組成物。 - 運動失調性障害が脊髄小脳失調性障害またはフリードライヒ運動失調症である、請求項1に記載の医薬組成物。
- 式(I)の化合物が、4−ヒドロキシ−6−(2−フェニルエチル)ピリダジン−3(2H)−オン;
6−[2−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[5−(トリフルオロメチル)ピリジン−2−イル]エチル}ピリダジン−3(2H)−オン;
6−[(4−クロロベンジル)スルファニル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[6−(トリフルオロメチル)ピリジン−3−イル]エチル}ピリダジン−3(2H)−オン;
6−[2−(3−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(2−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,5−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,4−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[3−(トリフルオロメトキシ)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[3−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[5−(トリフルオロメチル)ピリジン−3−イル]エチル}ピリダジン−3(2H)−オン;
6−(2−シクロヘキシルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−シクロプロピルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−シクロペンチルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−[2−(4−メトキシシクロヘキシル)エチル]ピリダジン−3(2H)−オン;
6−[2−(2,4−ジフルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−{2−[3−(ジフルオロメチル)フェニル]エチル}−4−ヒドロキシピリダジン−3(2H)−オン;
6−ベンジル−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−(1−フェニルシクロプロピル)ピリダジン−3(2H)−オン;4−[2−(5−ヒドロキシ−6−オキソ−1,6−ジヒドロピリダジン−3−イル)エチル]ベンゾニトリル;
6−[2−(3−フルオロ−4−メチルフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(4−フルオロ−3−メチルフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(3,4−ジメトキシフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(4−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[2−(2−クロロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[2−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
6−(4−(ジフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−(トリフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−(ジフルオロメトキシ)フェネチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−[1−(4−フルオロフェニル)シクロプロピル]−4−ヒドロキシピリダジン−3(2H)−オン;
6−[1−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{1−[3−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[4−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オン;
6−((シクロプロピルメチル)(メチル)アミノ)−4−ヒドロキシピリダジン−3(2H)−オン;
6−((シクロヘキシルメチル)(メチル)アミノ)−4−ヒドロキシピリダジン-3(2H)−オン;
6−(3−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(シクロヘキシルメチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−クロロ−6−フルオロベンジル)-4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(2−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(4−メチルベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(3−メチルベンジル)−4−ヒドロキシピリダジン−3(2H)−オン;
4−ヒドロキシ−6−(3−(トリフルオロメチル)ベンジル)ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−[2−(オキサン−4−イル)エチル]ピリダジン−3(2H)−オン;
6−{[(4−フルオロフェニル)メチル](メチル)アミノ}−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−[2−(2,6−ジフルオロフェニル)エチル]−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−[2−(2−クロロ−6−フルオロフェニル)エチル]−4−ヒドロキシ−ピリダジン−3(2H)−オン;
6−{[3,5−ビス(トリフルオロメチル)フェニル]メチル}−4−ヒドロキシピリダジン−3(2H)−オン;
6−(1−フェニルエチル)−4−ヒドロキシピリダジン−3(2H)−オン;
6−(シクロプロピルメチル)−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
4−ヒドロキシ−6−{1−[4−(トリフルオロメチル)フェニル]シクロプロピル}−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2−クロロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2−フルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[3,5−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[2,4−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
6−{2−[3,4−ビス(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;
4−ヒドロキシ−6−(3−メチル−4−(トリフルオロメチル)フェネチル)ピリダジン−3(2H)−オン;
4−ヒドロキシ−6−{2−[2−メチル−4−(トリフルオロメチル)フェニル]エチル}−2,3−ジヒドロピリダジン−3−オン;
6−{2−[3,5−ジフルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン;及び
6−{2−[3−フルオロ−4−(トリフルオロメチル)フェニル]エチル}−4−ヒドロキシ−2,3−ジヒドロピリダジン−3−オン
からなる群より選択される1種以上である、請求項1または2に記載の医薬組成物。 - 式(I)の化合物が、6−[2−(4−フルオロフェニル)エチル]−4−ヒドロキシピリダジン−3(2H)−オンである、請求項1〜3のいずれか一項に記載の医薬組成物。
- 式(I)の化合物が、4−ヒドロキシ−6−{2−[4−(トリフルオロメチル)フェニル]エチル}ピリダジン−3(2H)−オンである、請求項1〜3のいずれか一項に記載の医薬組成物。
- 式(I)の化合物が、6−(4−クロロベンジル)−4−ヒドロキシピリダジン−3(2H)−オンである、請求項1〜3のいずれか一項に記載の医薬組成物。
- 式(I)の化合物が、6−(2−フルオロベンジル)−4−ヒドロキシピリダジン−3(2H)−オンである、請求項1〜3のいずれか一項に記載の医薬組成物。
- 運動失調性障害の予防または治療で使用するための薬品の製造における、請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩の使用。
- 請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩を含有する、運動失調性障害のリスクを低減するための医薬組成物。
- 請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩を、薬学的に許容されるアジュバント、希釈剤若しくは担体とともに含む、請求項1に記載の医薬組成物。
- D−セリン、D−セリンエチルエステル、D−シクロセリン、アマンタジン、アマンタジン塩酸塩、ブスピロン、アセタゾラミド、トピラマート、ジバルプロエクスナトリウム、L−ドパ、プロプラノロール、プリミドン、クロナゼパム、レベチラセタム、カルバマゼピン、ガバペンチン、バクロフェン、オンダンセトロン、チザニジンまたはプラミペキソールをさらに含む、請求項10に記載の医薬組成物。
- 運動失調性障害の予防または治療で使用するための薬品の製造における、請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩を、薬学的に許容されるアジュバント、希釈剤若しくは担体とともに含む、医薬組成物の使用。
- 医薬組成物が、D−セリン、D−セリンエチルエステル、D−シクロセリン、アマンタジン、アマンタジン塩酸塩、ブスピロン、アセタゾラミド、トピラマート、ジバルプロエクスナトリウム、L−ドパ、プロプラノロール、プリミドン、クロナゼパム、レベチラセタム、カルバマゼピン、ガバペンチン、バクロフェン、オンダンセトロン、チザニジンまたはプラミペキソールをさらに含む、請求項12に記載の使用。
- 請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩が、薬学的に許容されるアジュバント、希釈剤若しくは担体とともに含まれる、請求項9に記載の医薬組成物。
- D−セリン、D−セリンエチルエステル、D−シクロセリン、アマンタジン、アマンタジン塩酸塩、ブスピロン、アセタゾラミド、トピラマート、ジバルプロエクスナトリウム、L−ドパ、プロプラノロール、プリミドン、クロナゼパム、レベチラセタム、カルバマゼピン、ガバペンチン、バクロフェン、オンダンセトロン、チザニジンまたはプラミペキソールをさらに含む、請求項14に記載の医薬組成物。
- 請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩を含有する、運動失調性障害に関連する歩行、平衡、四肢強調および発話の少なくとも1つを改善するための医薬組成物。
- 請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩を含有する、運動失調性障害の症状を発症するまでの期間の延長のための医薬組成物。
- 運動失調性障害に関連する歩行、平衡、四肢強調および発話の少なくとも1つを改善するための薬品の製造における、請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩の使用。
- 運動失調性障害の症状を発症するまでの期間の延長のための薬品の製造における、請求項1および3〜7のいずれか一項に定義される式(I)の化合物またはその薬学的に許容される塩の使用。
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |