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Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
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贝叶斯定序格子设计用于I期临床试验.

Gi-Ming Wang1, Curtis Tatsuoka2

  • 1Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA.

Statistics in medicine
|March 4, 2026
PubMed
概括

我们介绍了贝叶斯有序格子设计 (BOLD),这是早期I期临床试验的新框架. BOLD有效地使用先前的毒性数据和剂量排序来准确确定最大可容忍剂量 (MTD).

科学领域:

  • 生物统计学 生物统计学
  • 临床试验设计 临床试验设计
  • 药理学 药理学 是一个学科.

背景情况:

  • 一期临床试验的样本大小通常很小,这限制了先前毒性数据的有效使用.
  • 现有的方法可能无法充分利用剂量水平中毒性概率的固有顺序.
  • 准确确定最大可容忍剂量 (MTD) 对患者安全和药物开发至关重要.

研究的目的:

  • 开发一个新的贝叶斯框架,贝叶斯有序格子设计 (BOLD),用于早期I期临床试验.
  • 通过结合先前信息和剂量级别排序,增强剂量选择,毒性监测,早期停止和MTD识别.
  • 与现有的流行的方法相比,提高MTD确定精度.

主要方法:

  • 开发一种贝叶斯方法,包括先前信息和后续更新.
  • 利用不同剂量水平中毒性概率的自然顺序.
  • 应用简单的剂量级贝叶斯规范和临床可解释的后置概率来进行决策.

主要成果:

  • 拟议的BOLD框架有效指导剂量选择和毒性监测.
  • BOLD利用其他剂量水平的数据,利用它们的顺序关系进行增强分析.
  • 与流行的现有方法相比,BOLD在确定MTD方面表现出更高的准确性.
关键词:
贝叶斯式设计 贝叶斯式设计选择剂量选择剂量选择在早期的第一阶段临床试验中.格子 格子 格子 格子最大的可容忍剂量.订单是为了订单.

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  • 这种方法在计算上很简单,避免了模拟的需要.
  • 结论:

    • 贝叶斯有序格子设计 (BOLD) 为I期临床试验提供了强大而准确的框架.
    • 通过整合先前的知识和剂量-反应关系,BOLD 增强了剂量检测研究中的决策.
    • 这种计算效率高的贝叶斯方法为在早期药物开发阶段识别MTD提供了有价值的替代方案.