风险评估得分作为肺动脉高血压试验中代用终点的研究
Yongqi Liu1, R James White2, Sang Wan Lee1
1Department of Statistics, The Ohio State University, Columbus, OH, USA.
American journal of respiratory and critical care medicine
|February 25, 2026
概括
在肺动脉高血压试验中,REVEAL Lite 2 (RL2) 和欧洲四层 (E4) 等综合风险评分显示出比6分钟步行距离 (6MWD) 更强大的代用终点. 这些分数更好地介导治疗效果,特别是在高风险患者中.
科学领域:
- 心脏病学 心脏病学
- 肺部医学 肺部医学
- 临床试验 临床试验
背景情况:
- 肺动脉高血压 (PAH) 试验通常使用中间结果,因为不经常发生死亡事件.
- 6分钟的步行距离 (6MWD) 是PAH临床恶化的常见替代物.
- 在PAH研究中需要更有效的替代终点.
研究的目的:
- 为了评估复合风险评估得分 (REVEAL Lite 2,欧洲四层,欧洲三层,法国非侵入性) 是否在PAH中优于6MWD的替代品.
- 为了比较这些分数对治疗效果的中介,与6MWD.
主要方法:
- 分析了AMBITION和FREEDOM-EV临床试验中的数据.
- 通过风险分数和6MWD的变化介导的治疗效果百分比的估计.
- 替代终点性能对头对头比较的引导分析. 替代终点性能.
主要成果:
- 所有四个复合分数都显著介导了比6MWD更大的治疗效果 (例如,RL2/E4的29%与6MWD的19%相比).
- 在中期/高风险患者中,REVEAL Lite 2 (RL2) 显示了最高的调解百分比 (37%).
- 这些评分的调解效应在中等/高风险患者中增加.
结论:
- 在PAH研究中,REVEAL Lite 2 (RL2) 和欧洲四层 (E4) 是强大的调解者,也是6MWD作为PAH研究中中间终点的潜在替代品.
- RL2显示了最高的中介作用,特别是在高风险患者群体.
- 需要进一步的研究来确定代理药物调解>50%的治疗效果.
关键词:
6MWD 6MWD 6MWD 6MWD 6MWD 6MWD 6MWD 6MWDE3 E3 的意思是什么?E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E4 E6 E7 E7 E7 E7 E7 E7 E8 E8 E8 E8 E8 E8 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E9 E7 E9 E9 E9 E9 E7 E9 E9 E7 E9 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7 E7FPHN FPHN 在线观看肺动脉高血压是肺动脉高血压.RL2 RL2 在线阅读调解分析 调解分析替代终点 替代终点相关概念视频
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