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Circulation:新降血脂药研发陷入困境(附点评)

2011-06-01 MedSci原创 MedSci原创

MedSci评:以往Meta分析多针对已发表的文献,而本例Meta分析主要针对II和III期临床试验成果(当然不少也是以文献形式发表)。这表明循证医学的数据来源是多样的,这给我们提供很好地启示。      Circulation杂志2011年4月25日发表的一项循证医学Meta研究表明,单独采用鲨烯合酶抑制剂拉帕司他醋酸盐(lapaquistat acetate),或联合他汀类药物抑制鲨烯合酶

MedSci评:以往Meta分析多针对已发表的文献,而本例Meta分析主要针对II和III期临床试验成果(当然不少也是以文献形式发表)。这表明循证医学的数据来源是多样的,这给我们提供很好地启示。      Circulation杂志2011年4月25日发表的一项循证医学Meta研究表明,单独采用鲨烯合酶抑制剂拉帕司他醋酸盐(lapaquistat acetate),或联合他汀类药物抑制鲨烯合酶,可剂量依赖性地有效降低低密度脂蛋白胆固醇(LDL-C)。然而,该药可导致丙氨酸氨基转移酶水平升高和罕见胆红素升高,潜在的肝脏安全性隐患导致其研发被终止。   该研究汇总了12项临床Ⅱ期和Ⅲ期临床研究(n=6151)的结果,研究因拉帕司他潜在的肝脏危险而被迫在高级阶段暂停。这些研究持续6至96周,均为针对血脂异常患者的随机、双盲、平行、安慰剂或活性药对照临床试验,治疗方案包括拉帕司他单药或与其他降脂药物联合治疗,包含一项持续96周的大规模安全性研究(n=2121)。多数研究均采用拉帕司他100 mg/d。结果采用LDL-C的百分率变化、次要的脂类/代谢变量和总安全性进行测量。   研究显示,拉帕司

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    2011-06-03 lqvr
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