JP2009513544A - 神経因性疼痛治療用インダゾール誘導体の使用方法 - Google Patents
神経因性疼痛治療用インダゾール誘導体の使用方法 Download PDFInfo
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- JP2009513544A JP2009513544A JP2006519845A JP2006519845A JP2009513544A JP 2009513544 A JP2009513544 A JP 2009513544A JP 2006519845 A JP2006519845 A JP 2006519845A JP 2006519845 A JP2006519845 A JP 2006519845A JP 2009513544 A JP2009513544 A JP 2009513544A
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- Prior art keywords
- neuropathic pain
- treatment
- compound
- acid
- pain
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- 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
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- A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
- A61K31/4545—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
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- 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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- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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Abstract
Description
(式中、XがCH又はNであり、XがCHであるとき、RがH、OH、1〜3つの炭素原子を有する直鎖又は分岐アルキル鎖、1〜3つの炭素原子を有する直鎖又は分岐アルコキシ鎖、又はハロゲン原子、及び、XがNのとき、RがHである。)の多数の化合物に関する。
1.ラットにおける坐骨神経結紮によって誘導された異痛(症)
新生児で200〜250gの体重の雄CD率を使用した。異痛を左後足の坐骨神経の麻酔下縛ることによって誘導した(Seltzer Z, Dubner R, Shir Y, A novel behavioral model of neuropathic pain disorders of pain sensation like those seen in man. Pain 1998; 33: 87-107)。坐骨神経の結紮後少なくとも2週間後、手術前に記録された反応閾値における少なくとも50%の減少を示した羅とを選択した。痛みの閾値は、左後足の裏領域における圧力における緩やかな増加を適用することによって、動物がその足を引き下げる時期に対応して、グラムで表現された、傷害反応を記録することを可能とするVon Frey instrumentの平均値によって測定された。
新生児で240-300gの体重の雄CD率を使用した。
実施例1
N((1-(2-(4-ヒドロキシフェニル)エチル)-4-ピペリジニル)メチル)-1-イソプロピル-1H-インダゾール-3-カルボキシアミド塩酸塩(化合物I、R=OH、X=CH)
a)N-ヘキサヒドロ-4-ピペリジニル-N-フェニルメチリデンアミン
ベンズアルデヒド(38.2g、0.36モル)を、トルエン(180ml)中の4-アミノメチル-ピペリジン(41.1g、0.36モル)の溶液へ滴下して加えた。こうして得られた溶液を3時間攪拌しながら室温に放置した。その後溶液を減圧下蒸発により除去して、残余をトルエンで採取して更なる精製なしに使用される所望の生成物を与えた。
b)1-2-(4-ヒドロキシフェニル)エチル)-4-ピペリジニルメタンアミン
DMF(100ml)中の工程1bで得られた生成物(10.0g、0.043モル)、及びトリエチル-アミン(30ml、0.21モル)の溶液を、EP-A-0 975 623に記載されたように調製された、DMF(50ml)中の1-(1-メチルエチル)-1H-インダゾール-3-カルボン酸塩化物(9.5g、0.043モル)の溶液へ滴下して加えた。18時間室温で連続的に攪拌した後、反応混合物を分液ロートに移して、水を加え、酢酸エチルで抽出した(3×150ml)。有機相を分離して、Na2SO4で乾燥した。溶媒を減圧下で蒸発によって除去された。こうして得られた残余を無水エタノールで取り上げ、エタノール性塩化水素の添加によって相当する塩酸塩へ移した。溶液を減圧下蒸発させて、残余をエタノールから結晶化し所望の生成物を与えた(20g)。
無水エタノール(100ml)中の2-(4-ヒドロキシフェニル)エチル臭化物(Acta Chem. Scand. 21(1)53-62, 1967に記載されたように調製した)(3.4g、0.017モル)、及び無水炭酸カリウム(4.6g、0.033モル)を、EP-A-0 975 623に記載されたように調製した無水エタノール(80ml)中のN-(4-ピペリジニルメチル)-1-イソプロピル-1H-3-インダゾールカルボキシアミド(4.2g、0.014モル)の溶液へ加えた。このようにして得られた懸濁液を16時間還流下連続的に攪拌した。このようにして得られた残余を、その後、酢酸エチル中の溶解、エタノール性塩化水素の添加によって対応する塩酸塩へ変換し、無水エタノールから再結晶化し、所望の生成物を与えた(2.2g)。融点=218〜220℃
有効成分として、本発明の化合物(I)からなるタブレットは、以下の組成を有する。
活性成分 50mg
ラクトース一水和物 161mg
二塩基リン酸カルシウム二水和物 161mg
ミクロクリスタリンセルロース 95mg
とうもろこし澱粉 30mg
カルボキシメチルセルロース澱粉 24mg
ポビドン 11mg
ステアリン酸マグネシウム 3mg
有効成分として、本発明の化合物(I)からなるアンプルは、以下の組成を有する。
活性成分 25mg
ソルビトール 等浸透圧溶液に対して適量(q.s.)
水 100mlに対して適量(q.s.)
有効成分として、本発明の化合物(I)からなる顆粒の薬剤組成物は、以下の組成を有する。
活性成分 50mg
マルチトール 1300mg
マンニトール 2700mg
サッカロース 1000mg
クエン酸 20mg
アスパルテーム 20mg
香味成分 200mg
酸性水相を酢酸エチル(4×200ml)で洗浄した。水相をその後、6NNaOHを添加することによって、pH=12へアルカリ性とした。形成された固体を濾過によって分離し、無水エタノールから結晶化し所望の生成物(35g)を与えた。
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IT001468A ITMI20031468A1 (it) | 2003-07-18 | 2003-07-18 | Farmaco ativo nel dolore neuropatico |
PCT/EP2004/007635 WO2005013989A1 (en) | 2003-07-18 | 2004-07-08 | Use of indazole derivatives for the treatment of neuropathic pain |
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UA99927C2 (uk) * | 2007-11-12 | 2012-10-25 | Ацьенде Кимике Риуните Анджелини Франческо А.Чи.Р.А.Ф. С.П.А. | Медикамент, який є активним при невропатичному болі |
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AU2004262878B2 (en) | 2009-12-17 |
US7638534B2 (en) | 2009-12-29 |
ES2275232T3 (es) | 2007-06-01 |
WO2005013989A1 (en) | 2005-02-17 |
DE602004003251D1 (de) | 2006-12-28 |
CN1809356A (zh) | 2006-07-26 |
DE602004003251T2 (de) | 2007-05-10 |
PT1646387E (pt) | 2007-01-31 |
DK1646387T3 (da) | 2007-03-19 |
GEP20084343B (en) | 2008-03-25 |
EA008144B1 (ru) | 2007-04-27 |
US20060183775A1 (en) | 2006-08-17 |
PL1646387T3 (pl) | 2007-03-30 |
KR101073993B1 (ko) | 2011-10-17 |
EA200600271A1 (ru) | 2006-06-30 |
CA2526052C (en) | 2011-08-30 |
IL172101A (en) | 2011-08-31 |
JP4881729B2 (ja) | 2012-02-22 |
HK1087026A1 (en) | 2006-10-06 |
EP1646387B1 (en) | 2006-11-15 |
ATE345134T1 (de) | 2006-12-15 |
AU2004262878A1 (en) | 2005-02-17 |
ITMI20031468A1 (it) | 2005-01-19 |
AR045994A1 (es) | 2005-11-23 |
EP1646387A1 (en) | 2006-04-19 |
IL172101A0 (en) | 2009-02-11 |
CN100427089C (zh) | 2008-10-22 |
UA81051C2 (en) | 2007-11-26 |
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CA2526052A1 (en) | 2005-02-17 |
MXPA06000651A (es) | 2006-03-30 |
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