NEJM:达格列净在射血分数降低心衰患者的疗效(DAPA-HF研究)

2019-11-21 xing.T MedSci原创

由此可见,在射血分数降低的心力衰竭患者中,接受达格列净的心衰患者发生心衰恶化或死亡的风险比接受安慰剂者低,无论有无糖尿病。

在2型糖尿病患者中,钠-葡萄糖同向转运蛋白2(SGLT2)抑制剂可通过不依赖葡萄糖的机制降低首次因心力衰竭住院的风险。无论有无2型糖尿病,SGLT2抑制剂对射血分数降低的心力衰竭患者的作用还需要更多研究数据。
 
近日,顶级医学期刊NEJM上发表了一篇研究文章,在此3期安慰剂对照试验中,研究人员随机分配了4744例纽约心功能分级II、III或IV级,且射血分数小于或等于40%心力衰竭患者,除推荐治疗外,分别接受达格列净(每天一次,每次10mg)或安慰剂治疗。该研究的主要结局是心力衰竭加重(住院治疗或急诊接受心力衰竭静脉治疗)或心血管死亡的综合结局。
 
随访中位数为18.2个月,达格列净组中2373例患者有386例(16.3%)患者发生了主要结局,安慰剂组2371例患者中502例(21.2%)患者发生了主要结局(风险比为0.74;95%置信区间[CI]为0.65至0.85;P<0.001)。达格列净组237例(10.0%)患者发生首次心力衰竭恶化事件,而安慰剂组中的326例(13.7%)患者发生了这一疾病(风险比为0.70;95%CI为0.59至0.83)。达格列净治疗组中有227名患者死于心血管原因(9.6%),而安慰剂组中有273名患者(11.5%)(风险比为0.82;95%CI为0.69至0.98)。死于任何原因的患者分别有276例(11.6%)和329例(13.9%)(风险比为0.83;95%CI为0.71至0.97)。糖尿病患者与非糖尿病患者的结果相似。在不同治疗组之间,与容量不足、肾功能不全和低血糖相关的不良事件发生频率没有差异。
 
由此可见,在射血分数降低的心力衰竭患者中,接受达格列净的心衰患者发生心衰恶化或死亡的风险比接受安慰剂者低,无论有无糖尿病。
 
原始出处:
 
John J.V. McMurray,et al.Dapagliflozin in Patients with Heart Failure and Reduced Ejection Fraction.NEJM.2019.https://www.nejm.org/doi/full/10.1056/NEJMoa1911303
 
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    2019-11-21 内科新手

    谢谢梅斯提供这么好的信息,学到很多

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    2019-11-21 旺医

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