适应性设计的IVPT数据与混合尺度平均生物等效
Daeyoung Lim1, Elena Rantou2, Jessica Kim2
1University of Connecticut, Storrs, Connecticut, USA.
Pharmaceutical statistics
|August 9, 2023
概括
本研究介绍了体外透试验 (IVPT) 的适应性设计,以改善局部药物的生物等价性评估. 这些适应性方法结合了组序列设计和样本大小重新估计与混合尺度平均生物等价性,提高了效率和功率.
科学领域:
- 药理动力学和药物输送方法
- 生物统计学 生物统计学
- 皮肤学药物开发公司
背景情况:
- 试验室透试验 (IVPT) 对于开发局部皮肤产品至关重要.
- 美国食品和药物管理局 (FDA) 提出了一项新的实验设计,用于评估使用IVPT.5%奶油的仿制性阿西克洛维尔的生物等价性.
- 混合缩放平均生物等价性 (MSABE) 是该设计的假设测试方法.
研究的目的:
- 检查IVPT生物等价性研究的MSABE方法的统计特性.
- 开发和评估结合MSABE的适应性设计,以提高效率和功率.
- 在IVPT生物等价性试验中探索适应性设计的修改.
主要方法:
- 将MSABE纳入适应性设计,结合组序列设计和样本大小重新估计.
- 进行模拟研究,以评估拟议的适应性方法的合格率.
- 考虑到诸如Bonferroni的调节和条件功率函数等修改.
主要成果:
- 模拟研究评估了在各种场景下适应性设计的性能.
- 拟议的适应性设计表明了早期决策和节约资源的潜力.
- 为了更好的控制,考虑了诸如Bonferroni的调节和条件功率之类的修改.
结论:
- 整合MSABE的自适应设计为高效的IVPT生物等价性试验提供了一个有希望的方法.
- 这些方法可以优化资源分配,同时保持统计的严谨性.
- 一个案例研究证实了适应方法在现实世界数据分析中的实际优势.
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