Circulation:依折麦布与辛伐他汀联合治疗的心血管结局和安全性分析!

2017-12-21 xing.T MedSci原创

由此可见,在IMPROVE-IT研究中,将依折麦布与辛伐他汀联合治疗在DM患者和高风险的非DM患者中的效益有所增加。

当将依折麦布与辛伐他汀联合治疗可降低急性冠状动脉综合征(ACS)后心血管事件的发生率。近日,心血管领域权威杂志Circulation上发表了一篇研究文章,研究人员旨在探讨糖尿病(DM)分层后对结局的影响。

研究人员将18144例参与IMPROVE-IT研究LDL-C为50-125mg/dL的ACS患者随机分组,分别接受依折麦布/辛伐他汀-40mg(E/S)或安慰剂/辛伐他汀-40mg(P/S)治疗。该研究的主要复合终点为心血管死亡、主要冠状动脉事件和卒中。DM是一个预先设定的亚组。

4933例(27%)DM患者中老年人、女性、既往MI和血管再通者较非DM患者多见(P<0.001)。DM患者入院时LDL-C的中位数较低(89 vs. 97mg/dL,P<0.001)。接受E/S治疗可以显著降低LDL-C的中位数时间加权平均值,相比于P/S组,无论是否为DM患者(DM:49 vs. 67mg/dL;非DM:55 vs. 71mg/dL,两者均有P<0.001)。在DM患者中,E/S降低了7年Kaplan Meier主要终点事件的发生率绝对值达5.5%(HR为0.85;95%CI为0.78-0.94);非DM患者的绝对差异为0.7%(HR为0.98;95%CI为0.91-1.04;相互作用P=0.02)。DM患者最大相对减少的疾病为MI(24%)和缺血性卒中(39%)。无论是否为DM患者,治疗的安全性结局上都没有差别。当进一步按年龄分层,无论是否为DM患者,超过75岁的患者主要终点相对减少20%(相互作用P=0.91),而小于75岁的患者,DM患者比那些非DM患者有更大的效益(相互作用P=0.011)。按用于二级预防评估的TIMI危险评分进行分层,所有DM患者表现出E/S治疗具有效益,无论风险如何。相反,在非DM患者中,高风险评分的患者,E/S相比于P/S的患者心血管死亡、MI和缺血性卒中的复合结局显著降低18%,而低或中等风险的非DM患者采用依折麦布与辛伐他汀的联合治疗没有表现出临床效益(相互作用P=0.034)。

由此可见,在IMPROVE-IT研究中,将依折麦布与辛伐他汀联合治疗在DM患者和高风险的非DM患者中的效益有所增加。

原始出处:

Robert P. Giugliano,et al. Benefit of Adding Ezetimibe to Statin Therapy on Cardiovascular Outcomes and Safety in Patients With vs. Without Diabetes: Results from IMPROVE-IT. Circulation. 2017. https://doi.org/10.1161/CIRCULATIONAHA.117.030950

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    2017-12-23 虈亣靌

    如此说来还是一个好事情

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