区域SizeR - 一个新的应用程序,用于在MRCTs区域样本大小规划
Guannan Sun1, Xin Sun1, Huijuan Su1
1Pharmaceuticals Statistics and Data Insights, Bayer Healthcare Co. Ltd. Research & Development, 6F Parkview Green Blk B, No.9 Dongdaqiao Road, Beijing, China.
Therapeutic innovation & regulatory science
|August 8, 2024
概括
在多区域临床试验 (MRCT) 中计划样本大小对于评估治疗一致性至关重要. 一个R闪亮的应用程序RegionSizeR通过模拟样本大小分配来实现跨区域一致的治疗效果来帮助这一过程.
科学领域:
- 临床试验 临床试验
- 生物统计学 生物统计学
- 制药发展 制药发展
背景情况:
- 多区域临床试验 (MRCT) 需要仔细规划样本大小,以确保在不同地区治疗效果的一致性.
- 现有的方法通常依赖于一致性概率,但区域入学特征需要量身定制的方法.
- ICH E17指南强调在区域规划中保持整体处理效应的比例.
研究的目的:
- 开发一个用户友好的工具,用于在MRCT中高效和协调的样本大小规划.
- 提供基于模拟的应用程序,支持讨论样本大小分配策略.
- 实施ICH E17中概述的治疗效果保存方法.
主要方法:
- 开发RegionSizeR,一个交互式,基于Web的R闪亮应用程序.
- 基于模拟的方法用于样本大小计算和分配.
- 适应各种终点类型 (连续,二进制,时间到事件) 和试验设计 (优越性,非劣势性,MCP-Mod).
主要成果:
- 区域SizeR提供了一个全面的平台,用于在MRCTs区域样本大小规划.
- 该应用程序支持各种临床试验设计和终端类型.
- 独立测试证实了应用程序的有效性,结果显示在各种场景中不超过1%的差异.
结论:
- 在MRCT中,RegionSizeR促进了对样本大小分配的知情决策.
- 该工具通过考虑区域特点和ICH E17原则来促进协调规划.
- 该应用程序是优化MRCT设计和确保治疗效果一致性的宝贵资源.
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