AHA2012年会:固定剂量复合剂可改善治疗依从性

2012-11-09 高晓方 医学论坛网

  应用多种药物减少心血管事件(UMPIRE)研究表明,包含阿司匹林、他汀类和两种降压药在内的固定剂量复合剂可改善治疗依从性,进而显著降低低密度脂蛋白(LDL)胆固醇水平和血压。研究结果于美国心脏学会(AHA)2012科学年会上公布。   此项研究共纳入2004例患者,并随机给予其固定剂量复合剂(阿司匹林75 mg,辛伐他汀40 mg、赖诺普利10 mg和阿替洛尔5

  应用多种药物减少心血管事件(UMPIRE)研究表明,包含阿司匹林、他汀类和两种降压药在内的固定剂量复合剂可改善治疗依从性,进而显著降低低密度脂蛋白(LDL)胆固醇水平和血压。研究结果于美国心脏学会(AHA)2012科学年会上公布。

  此项研究共纳入2004例患者,并随机给予其固定剂量复合剂(阿司匹林75 mg,辛伐他汀40 mg、赖诺普利10 mg和阿替洛尔50 mg或氢氯噻嗪12.5 mg)或常规治疗。经治医生可随时添加药物、终止复合药物并转为常规药物治疗或转换复合药物类型。两组患者中均有88%伴有确定性心血管疾病,28%伴有糖尿病。固定剂量复合剂组患者约有60%入组前已服用上述药物。总体而言,随机化之前分别有88%和91%的患者正在服用他汀类和阿司匹林。

  结果显示,15个月研究结束时,固定剂量复合剂组和常规治疗组患者的服药率分别为86%和65%,有显著差异性。治疗高依从率转换为LDL胆固醇水平和血压的改善。各亚组患者均可获益,但基线时未服用全部四种药物的患者依从性改善最为显著。在印度和欧洲受试者中亦得出相似结果。研究结束时受访患者对继续应用固定剂量复合剂仍保持很大热情。由于基线时在研药物应用率极高,并且常规治疗组亦显示中较高的依从性,因此固定剂量复合剂方法的真实获益可能有所低估。

  有专家表示,UMPIRE研究结果真正潜在意义在于患者的依从性,这使患者从原来服用一把药片转变为服用更方便的一片药,对于那些有服用该药适应证的患者是个福音。

  但固定剂量复合剂方法亦具有某种程度的潜在风险。在低危患者中,副作用的增加可轻易使风险/获益比转为有害。

  此外,以复合药物作为心血管疾病一级预防的个体可能会盲目自信,进而不利于危险生活方式的转变。在固定剂量复合剂概念真正应用临床之前仍需对其进行详细的随机对照试验评估。



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    2012-11-11 zhaohui6731
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    2012-11-11 fyxzlh