申请人:Mitsubishi Pharma Corporation
公开号:EP1195372A1
公开(公告)日:2002-04-10
Benzamide compounds of the formula
wherein each symbol is as defined in the specification, isomers thereof and pharmaceutically acceptable acid addition salts thereof. Pharmaceutical compositions comprising a therapeutically effective amount of this compound and a pharmaceutically acceptable additive, and therapeutic agents for hypertension, therapeutic agents for angina pectoris, therapeutic agent for asthma, therapeutic agents for renal and peripheral circulatory disturbances and inhibitor of cerebral vasospasm, which comprise this compound.
The compound of the present invention has strong smooth muscle relaxing action, and shows hypotensive action and cerebral • coronary vasodilating action like conventional calcium antagonists, as well as long-lasting renal and peripheral circulation improving action. Unlike calcium antagonists, it permits oral administration to suppress vascular contraction caused by various agonists, and is useful as a strong and long-acting agent for prophylaxis and treatment of circulatory diseases in coronary, cerebral, renal and peripheral arteries, as a therapeutic agent for hypertension, angina pectoris, and renal and peripheral circulation disorder, an inhibitor of cerebral vasospasm and the like. Moreover, the compound of the present invention is useful as a therapeutic agent for asthma.
苯甲酰胺化合物的化学式如规范中所定义的每个符号,其异构体和药学上可接受的酸盐。包括该化合物的治疗有效量和药学上可接受的添加剂的药物组合物,以及治疗高血压、心绞痛、哮喘、肾脏和外周循环障碍以及脑血管痉挛抑制剂的治疗剂,其中包括该化合物。本发明的化合物具有强大的平滑肌松弛作用,表现出类似于传统钙拮抗剂的降压作用和脑冠脉扩张作用,以及持久的肾脏和外周循环改善作用。与钙拮抗剂不同,它允许口服给药以抑制各种激动剂引起的血管收缩,并可用作冠状动脉、脑部、肾脏和外周动脉循环疾病的预防和治疗的强效长效药物,作为治疗高血压、心绞痛、肾脏和外周循环障碍的治疗剂,脑血管痉挛抑制剂等。此外,本发明的化合物还可用作哮喘的治疗剂。