操作化中间临床终点:前列腺癌管理试验的务实框架
Xingyu Xiong1, Shiyu Zhang1, Jiajia Du2
1Department of Urology, Center of Biomedical Big Data and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
Cancer treatment reviews
|April 11, 2025
概括
经过验证的代孕终点对于加速前列腺癌治疗的发展至关重要. 里程碑生存在先进阶段显示出希望,但需要更多的研究来进行强有力的验证.
科学领域:
- 在瘤学瘤学.
- 临床试验 临床试验
- 生物统计学 生物统计学
背景情况:
- 尽管治疗进展,前列腺癌仍然是导致死亡的重要原因.
- 在III期试验中,长时间的整体存活率 (OS) 评估阻碍了开发新疗法.
- 需要验证的中间临床终点 (ICE) 来加快药物开发.
研究的目的:
- 系统地审查和验证中间临床终点 (ICE) 作为前列腺癌总生存率 (OS) 的替代方案.
- 评估当前ICE验证标准的方法严格性.
- 为了确定前期前列腺癌临床试验的有希望的ICE.
主要方法:
- 到2025年1月发表的前列腺癌III期试验的系统审查和元分析.
- 纳入标准:随机试验,治疗干预,OS作为主要终点,至少有一个ICE (例如,无放射性进展生存率 (rPFS),里程碑生存率) 和≥70名参与者.
- 使用两阶段元分析进行代孕量化,R2 ≥0.7的有效性.
主要成果:
- 无转移生存率 (MFS) 已被验证为局部性前列腺癌的替代终点.
- 目前对转移性割敏感 (mCSPC) 和割抵抗性前列腺癌 (mCRPC) 中验证的ICE的证据不足.
- 里程碑生存率表明,在晚期前列腺癌中与OS有强烈的试验级相关性,表明其作为代孕药的潜力.
结论:
- 目前在前列腺癌中对ICE的验证主要集中在局部疾病上,限制了晚期的治疗发展.
- 里程碑生存是mCSPC和mCRPC的有希望的ICE候选人,但验证的方法挑战仍然存在.
- 通过统一的框架和协作分析对ICE的标准化对于推动前列腺癌研究至关重要.
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