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In the HELIOS-B randomized clinical trial , the RNA interference therapeutic agent vutrisiran reduced the risk of all-cause mortality and recurrent cardiovascular events among patients with transthyretin amyloidosis with cardiomyopathy (ATTR-CM).
在HELIOS-B随机临床试验中,RNA干扰治疗剂vutrisiran降低了具有心脏淀粉样变性伴心肌病(ATTR-CM)患者的全因死亡率和复发性心血管事件的风险。
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In this secondary analysis of HELIOS-B , we evaluated vutrisiran's effects on echocardiographic measures of cardiac structure and function in patients with ATTR-CM receiving vutrisiran or placebo (n = 654, 93% men ).
在这项HELIOS-B的次要分析中,我们评估了vutrisiran对接受vutrisiran或安慰剂治疗的心脏淀粉样变性伴心肌病(ATTR-CM)患者的心脏结构和功能的超声心动图测量的影响(n = 654,93%为男性)。
At 30 months after treatment , as compared to the placebo group , vutrisiran treatment attenuated increases in mean left ventricular (LV) wall thickness (least squares mean difference : -0.4 mm ; 95% confidence interval (CI): -0.8, 0.0; P = 0.03) and LV mass index (-10.6 g m-2 ; 95% CI : -18.0, -3.3; P < 0.01).
治疗后30个月,与安慰剂组相比,vutrisiran治疗减缓了左心室(LV)壁厚度的增加(最小二乘平均差异:-0.4毫米;95%置信区间(CI):-0.8, 0.0;P = 0.03)和LV质量指数的增加(-10.6 g m-2;95% CI: -18.0, -3.3;P < 0.01)。
Vutrisiran treatment also attenuated declines in LV ejection fraction (2.0%; 95% CI : 0.3, 3.7; P = 0.02), absolute global longitudinal strain (1.2%; 95% CI : 0.7, 1.7; P < 0.01) and LV stroke volume (4.1 ml ; 95% CI : 1.7, 6.4; P < 0.01), and decreased both the average ratio of early diastolic transmitral flow velocity to early diastolic mitral annular tissue velocity (-2.0; 95% CI : -2.9, -1.2; P < 0.01) and the early to late diastolic transmitral flow velocities ratio (-0.3; 95% CI : -0.6, -0.0; P = 0.04), as compared to placebo .
Vutrisiran治疗还减缓了左心室射血分数的下降(2.0%;95% CI: 0.3, 3.7;P = 0.02),绝对全球纵向应变的下降(1.2%;95% CI: 0.7, 1.7;P < 0.01)和LV每搏输出量的下降(4.1毫升;95% CI: 1.7, 6.4;P < 0.01),并且与安慰剂相比,降低了早期舒张期二尖瓣血流速度与早期舒张期二尖瓣环组织速度的平均比率(-2.0;95% CI: -2.9, -1.2;P < 0.01)和早期与晚期舒张期二尖瓣血流速度的比率(-0.3;95% CI: -0.6, -0.0;P = 0.04)。
Consistent with its clinical benefits , these echocardiographic findings indicate favorable effects of vutrisiran on cardiac structure and function in patients with ATTR-CM .
与临床益处一致,这些超声心动图结果表明vutrisiran对ATTR-CM患者的左心结构和功能有良好的影响。
ClinicalTrials.gov registration : NCT 04153149 .
ClinicalTrials.gov注册信息:NCT04153149。
本文献翻译由 AI 辅助生成,仅供文献精读与英语学习参考。临床决策请以 PubMed / PMC 原文为准。
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