Circulation:二十碳五烯酸乙基治疗心血管疾病的疗效的种族差异

2020-02-07 不详 MedSci原创

一些试验发现,来自美国的患者获益比来自美国之外的患者要少。本预定的REDUCE-IT亚组分析被用来明确二十碳五烯酸乙基在美国的受益程度。REDUCE-IT试验将8179位他汀类药物治疗的甘油三酯≥135并<500 mg/dL、低密度脂蛋白>40并≤100 mg/dL、有动脉硬化或糖尿病病史的患者随机分至实验组(二十碳五烯酸乙基,4 g/d)或安慰剂组。主要复合结点包括心血管死亡、非致死

一些试验发现,来自美国的患者获益比来自美国之外的患者要少。本预定的REDUCE-IT亚组分析被用来明确二十碳五烯酸乙基在美国的受益程度。

REDUCE-IT试验将8179位他汀类药物治疗的甘油三酯≥135并<500 mg/dL、低密度脂蛋白>40并≤100 mg/dL、有动脉硬化或糖尿病病史的患者随机分至实验组(二十碳五烯酸乙基,4 g/d)或安慰剂组。主要复合结点包括心血管死亡、非致死性心肌梗死、非致死性卒中、冠脉重建或不稳定心绞痛住院。关键次要复合结点包括心血管死亡、非致死性心肌梗死或非致死性卒中。

共3146位US患者(38.5%)被随机分组,随后中位随访4.9年;32.3%的患者为女性,9.7%的患者为西班牙裔。对照组和实验组的主要复合结点的发生率分别为24.7%和18.2%(风险比HR 0.69[95% CI,0.59-0.80],P=0.000001);关键次要结点的发生率分别为16.6%和12.1%(HR, 0.69 [95% CI,0.57–0.83];P=0.00008)。所有预先设定的分级终点均显著降低,包括心血管死亡(6.7% vs 4.7%;HR,0.66 [95% CI,0.49–0.90];P=0.007)、心肌梗死(8.8% vs 6.7%;HR,0.72[95% CI,0.56–0.93];P=0.01)、卒中(4.1% vs 2.6%;HR,0.63[95% CI,0.43–0.93];P=0.02),和全因死亡率(9.8% vs 7.2%;HR,0.70[95% CI,0.55–0.90];P=0.004)。安全性和耐受性与整个研究队列的一致。

非US亚组的主要和关键次要终点均明显降低,而US亚组在包括全因死亡率在内的各种个人和综合终点风险均显示出特别强劲的降低。

原始出处:

Deepak L. Bhatt , et al.REDUCE-IT USA:Results From the 3146 Patients Randomized in the United States.Circulation. 2020;141:367–375

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    2020-02-07 内科新手

    谢谢梅斯提供这么好的信息,学到很多

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