临床试验终点和设计在肺动脉高血压中的演变和优化
Marco Caccamo1, Frank E Harrell2, Anna R Hemnes3
1Division of Cardiology WVU Heart and Vascular Institute Morgantown West Virginia USA.
Pulmonary circulation
|August 9, 2023
概括
选择肺动脉高血压 (PAH) 的临床试验终点是复杂的. 复合终点和生物标志物等不断发展的方法旨在更好地评估超过6分钟步行距离 (6MWD) 的治疗疗效.
科学领域:
- 心脏病学 心脏病学
- 肺部医学 肺部医学
- 临床试验设计 临床试验设计
背景情况:
- 肺动脉高血压 (PAH) 临床试验的终点选择是具有挑战性的,因为患者人数较少,治疗期望不断变化.
- 6分钟的步行距离 (6MWD) 是一个常见的初级终点,但单个替代品可能无法完全反映临床结果.
- 目前的趋势涉及临床恶化和改善的复合终点,风险得分和新兴生物标志物.
研究的目的:
- 审查肺动脉高血压 (PAH) 临床试验中终点选择的挑战和演变.
- 讨论传统终点的局限性,如6MWD和血液动力学参数.
- 突出PAH研究中复合终点,风险得分,生物标志物和患者报告结果日益重要的重要性.
主要方法:
- 对PAH临床试验终点的当前实践和文献的审查.
- 讨论从单个替代终点过渡到复合措施的讨论.
- 探索新的方法,包括生物标志物,成像和患者报告的结果.
主要成果:
- 通常使用6分钟步行距离 (6MWD) 和血液动力学参数,但可能与整体临床结果无关.
- 临床恶化和改善的复合终点越来越多地被采用,尽管定义各不相同.
- 生物标志物 (例如,尿酸),先进的成像和患者报告的结果正在获得吸引力.
结论:
- 在PAH试验中选择终点需要仔细考虑患者数量和不断变化的标准.
- 转向复合终点,风险得分和患者报告结果的转变是显而易见的.
- 未来的PAH疗法可能会从新的生物标志物和先进的统计/成像技术中获益,用于诊断和监测.
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