JP4885455B2 - 抗偏頭痛剤として有用なα−アミノアミド誘導体 - Google Patents
抗偏頭痛剤として有用なα−アミノアミド誘導体 Download PDFInfo
- Publication number
- JP4885455B2 JP4885455B2 JP2004565939A JP2004565939A JP4885455B2 JP 4885455 B2 JP4885455 B2 JP 4885455B2 JP 2004565939 A JP2004565939 A JP 2004565939A JP 2004565939 A JP2004565939 A JP 2004565939A JP 4885455 B2 JP4885455 B2 JP 4885455B2
- Authority
- JP
- Japan
- Prior art keywords
- headache
- migraine
- aminoamide
- benzylamino
- propanamide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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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
- A61K31/16—Amides, e.g. hydroxamic acids
- A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
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- 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
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- 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
- A61P25/06—Antimigraine agents
-
- 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]
Landscapes
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Pain & Pain Management (AREA)
- Engineering & Computer Science (AREA)
- Rheumatology (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Description
(i)いろいろなタイプの心血管問題を持つ患者はトリプタン薬を安全に服用できないこと;
(ii)1つの治療を繰り返し受けた患者の多くがひどい慢性で、継続性のことさえある頭痛をもたらす恐れがある耐性を生じさせる実質的なリスクを被ること;
(iii)許容できるレベルまでの緩解にしばしば30分以上十分にかかること;及び
(iv)治療直後、患者はしばしば数時間安静しなければならず、よって患者はその日にしようとしていた仕事等をするために戻ることが非常に困難または不可能となること;
が含まれる。
Aは−(CH2)m−または−(CH2)n−X−(式中、mは1または2であり、nは0、1または2であり、Xは−O−、−S−または−NH−である)であり;
Rはフリル、チエニルまたはピリジル環であり、或いは未置換であるかハロゲン、ヒドロキシ、C1−4アルキル、C1−3アルコキシ及びトリフルオロメチルから独立して選択される1〜2個の置換基で置換されたフェニル環であり;
R1は水素またはC1−3アルキルであり;
R2は水素であるか、未置換であるかヒドロキシまたはフェニルで置換されたC1−2アルキルであるか、または未置換であるかC1−3アルキル、ハロゲン、ヒドロキシ、C1−2アルコキシ及びトリフルオロメチルから独立して選択される1〜2個の置換基で置換されたフェニルであり;
R3は水素またはC1−3アルキルである]
を有するα−アミノアミドまたはその医薬的に許容され得る誘導体を用いることにより達成され得ることを知見した。
Aは−CH2−CH2−、−CH2−O−、−CH2−S−及び−CH2−CH2−O−から選択される基であり;
Rは未置換であるかハロゲン、C1−3アルキル及びメトキシから独立して選択される1〜2個の置換基で置換されたフェニル環、またはチエニル環であり;
R1は水素またはC1−2アルキルであり;
R2は水素、未置換であるかヒドロキシで置換されたメチル、または未置換であるかC1−2アルキル、ハロゲン、ヒドロキシ、メトキシまたはトリフルオロメチルで置換されたフェニルであり;
R3は水素またはC1−2アルキルである。
Aは−CH2−O−、−CH2−S−または−CH2−CH2−であり;
Rは未置換であるか1〜2個のハロゲン原子で置換されたフェニル環であり;
R1は水素であり;
R2は水素、未置換であるかヒドロキシで置換されたメチル、または未置換であるかハロゲン原子で置換されたフェニル環であり;
R3は水素またはメチルである
化合物が含まれる。
2−(4−ベンジルオキシベンジルアミノ)プロパンアミド、
2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド、
2−[4−(2−クロロベンジルオキシ)ベンジルアミノ]プロパンアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド、
2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]プロパンアミド、
2−[4−(4−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド、
2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]−N−メチル−プロパンアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−N−メチル−プロパンアミド、
2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−プロパンアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−プロパンアミド、
2−(4−ベンジルオキシベンジルアミノ)−3−ヒドロキシ−N−メチル−プロパンアミド、
2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−N−メチルプロパンアミド、
2−[4−(2−クロロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−N−メチルプロパンアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−N−メチルプロパンアミド、
2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]−3−ヒドロキシ−N−メチルプロパンアミド、
2−(4−(2−チエニルメチレンオキシ)ベンジルアミノ)−プロパンアミド、
2−[4−(2−(3−フルオロフェニル)エチル)ベンジルアミノ]−プロパンアミド、
2−[4−ベンジルチオベンジルアミノ]−プロパンアミド、
2−[4−ベンジルオキシベンジルアミノ]−3−フェニル−N−メチルプロパンアミド、
2−[4−ベンジルオキシベンジルアミノ]−N−メチルブタンアミド、
2−[4−ベンジルオキシベンジルアミノ]−2−フェニル−アセトアミド、
2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]−2−フェニル−アセトアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−2−フェニル−アセトアミド、
2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]−2−フェニル−アセトアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−2−(2−フルオロフェニル)−アセトアミド、
2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]−2−(3−フルオロフェニル)−アセトアミド、
2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]−2−(3−フルオロフェニル)−アセトアミド、
またはその医薬的に許容され得る誘導体である。
(S)−(+)−2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド(内部コード及び以下、NW−1015)、
(S)−(+)−2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド(内部コード及び以下、NW−1029)、及び
(S)−(+)−2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]プロパンアミド(内部コード及び以下、NW−1039)
が最も好ましい。
上記式(I)を有するα−アミノアミドを含む下記医薬組成物並びに実施例2及び3の医薬組成物は、以下にリストした成分を医薬業界で使用されており且つ当業者に公知の方法を用いて製造した。
1個の100mgカプセルは、100.00mgのNW−1015、7.50mgのクロスポビドン、8.95mgの微晶質セルロース、1.50mgのステアリン酸マグネシウム及び0.30mgのコロイド状二酸化ケイ素を含有する。
1個の175mgカプセルは、175.00mgのNW−1015、13.05mgのクロスポビドン、15.57mgの微晶質セルロース、2.61mgのステアリン酸マグネシウム及び0.49mgのコロイド状二酸化ケイ素を含有する。
上記した式(I)を有するα−アミノアミドの抗偏頭痛活性は、動物モデルでの血管性偏頭痛及び関連疾患についての以下の研究から立証された。
動物及び手術:
雄Wistarラット(250〜350g)に食塩液に溶解させたナトリウムペントバルビタール(50mg/kg)を腹腔内注射して麻酔した。
手術の最後に、測定パラメーターを安定させるために30分間の中休みを取った。
試験化合物の抗偏頭痛効果を観察し、上記した代表的化合物を静脈内投与後のコントロール状態で誘発されるCBFの抑制の%として調べた。下表1に示すデータは、三叉神経ガングリオンの左眼分枝の電気刺激により誘発されるCBF応答に対する試験化合物の抑制活性を示す。
Claims (8)
- 脳血管拡張メカニズムを伴っている原発性及び続発性頭痛疾患からなる頭痛状態の治療用薬剤の製造における場合により単一異性体またはその混合物としての、
(S)−(+)−2−[4−(3−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド、
(S)−(+)−2−[4−(2−フルオロベンジルオキシ)ベンジルアミノ]プロパンアミド、及び、
(S)−(+)−2−[4−(3−クロロベンジルオキシ)ベンジルアミノ]プロパンアミド
から選択されるα−アミノアミドまたはその医薬的に許容され得る誘導体の使用。 - 頭痛状態が、偏頭痛、頭痛、片頭痛を含む請求項1に記載の使用。
- 偏頭痛が急性、変換型または血管性偏頭痛であり、頭痛が急性、群発性、進化型または緊張型頭痛であり、片頭痛が慢性発作性片頭痛である請求項1または2に記載の使用。
- 請求項1に記載のα−アミノアミドの少なくとも1つを治療有効量含む脳血管拡張メカニズムを伴っている原発性及び続発性頭痛疾患からなる頭痛状態の治療のための医薬組成物。
- 請求項1に記載のα−アミノアミドを0.05から20mg/kg体重/日の用量投与する請求項4に記載の医薬組成物。
- 請求項1に記載のα−アミノアミドを0.5から10mg/kg/日の用量投与する請求項5に記載の医薬組成物。
- 請求項1に記載のα−アミノアミドを0.5から5mg/kg/日の用量投与する請求項6のいずれかに記載の医薬組成物。
- 頭痛状態が請求項2または3に定義した通りである請求項4から7のいずれかに記載の医薬組成物。
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EP03000921A EP1438956A1 (en) | 2003-01-16 | 2003-01-16 | Alpha-aminoamide derivatives useful as antimigraine agents |
EP03000921.1 | 2003-01-16 | ||
PCT/EP2003/012889 WO2004062655A1 (en) | 2003-01-16 | 2003-11-18 | Alpha-aminoamide derivatives useful as antimigraine agents |
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EP1588704A1 (en) | 2004-04-22 | 2005-10-26 | Newron Pharmaceuticals S.p.A. | Alpha-aminoamide derivatives useful in the treatment of restless legs syndrome and addictive disorders |
PT1809271E (pt) | 2004-09-10 | 2010-08-30 | Newron Pharm Spa | Utilização de (halogenobenziloxi)benzilamino-propanamidas para o fabrico de medicamentos activos como moduladores selectivos dos canais de sódio e/ou de cálcio |
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