抗肿瘤新药关键注册试验主要终点选择及考量

Selection of and considerations for primary endpoints in confirmatory trials for new anticancer drugs

  • 摘要: “十三五”是中国医药创新生态系统建设着力发展的5年,也是中国抗肿瘤药物临床研发蓬勃发展的重要阶段,大批抗肿瘤新药成功获批。关键注册研究主要终点的科学设计及合理选择是影响新药获益评价及能否上市的重要环节,包括单终点设计和多终点设计、总生存期及替代终点等选择。本文汇总国内外2018年1月1日至2019年12月31日登记注册的肿瘤药物临床试验终点设计相关指导文件,厘清主要终点指标类型、优缺点及选择的关键考量;基于中国药物临床试验登记与信息公示平台数据,分析中国抗肿瘤新药临床试验主要终点设计特点;提出抗肿瘤新药临床试验主要终点选择的若干建议,旨在为中国抗肿瘤新药的关键注册试验设计者提供支持和参考。

     

    Abstract: The 13th five-year period is remarkable regarding the construction of pharmaceutical innovation ecosystems in China and the vigorous advances in clinical research and development that have led to many anticancer drugs being successfully approved in China. The scientific design and rational selection of primary endpoints in confirmatory trials have fundamental impacts on the reliable evaluation of clinical benefits and whether new drugs could be marketed successfully. Such endpoints include the choice between single-endpoint design and multi-endpoint design, overall survival, and alternative endpoints. This study first summarized published regulatory guidelines related to clinical trial endpoints in China and beyond, especially for cancer trials. Then, classification, advantages, and disadvantages of commonly used endpoints of anticancer new drugs were described along with key considerations for the selection of primary endpoints. Based on January 1st, 2018 to December 31st, 2019 clinical trials published on the China Food and Drug Administration Registration and Information Disclosure Platform, characteristics of primary endpoint design and usage of common endpoints of new anticancer drugs in phase Ⅲ trials were analyzed and described. Meanwhile, key suggestions for the design of primary endpoints in confirmatory trials of anticancer drugs were recommended, to provide support and reference for related stakeholders and designers of key trials in new anticancer drugs.

     

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