具有独特双重作用机制的抗心绞痛新药:尼可地尔

被引:31
作者
朱文玲
机构
[1] 中国医学科学院北京协和医学院北京协和医院心内科
关键词
尼可地尔; 心绞痛; K+-ATP通道;
D O I
暂无
中图分类号
R972.3 [];
学科分类号
摘要
尼可地尔是日本研制的新一类抗心绞痛药物,具有双重抗心绞痛机制:硝酸酯类作用扩张静脉和心外膜冠状动脉,以及开放K+-ATP通道引起外周动脉和冠状动脉阻力血管扩张。其药理作用降低心脏前后负荷,增加冠状动脉血流,改善冠状循环,并防止冠状动脉痉挛。基于对线粒体的ATP敏感的钾通道的作用,尼可地尔发挥药物性预适应作用以及缺血或再灌注导致的心肌损伤的心脏保护作用。日本、欧洲和中国的临床报告提示尼可地尔具有与硝酸酯、β受体阻滞药和钙拮抗药相当的抗心绞痛作用。临床试验显示尼可地尔可预防稳定型心绞痛患者心绞痛发作及改善运动耐力。IONA和JCAD研究显示稳定型心绞痛患者长期服用尼可地尔可显著改善预后,减少主要冠状动脉事件或心血管死亡。尼可地尔耐受性好,无耐药性,不良反应轻微,如头痛、恶心、脸红和头晕。有报告尼可地尔可引起口腔、肛门及胃肠道溃疡。故尼可地尔是耐受良好的抗心绞痛新药,有血管扩张和心脏保护作用。其临床作用与当前的抗心绞痛药物不同,当其他药物控制心绞痛不满意时可加用尼可地尔。
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页码:1 / 4+38 +38
页数:5
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