Uniformly minimum variance conditionally unbiased estimation in multi-arm multi-stage clinical trials
多臂多阶段临床试验中的一致最小方差条件无偏估计AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确研究临床试验中相对于对照的治疗效应估计,以及治疗选择后推断,最直接对应因果效应推断。
多臂多阶段临床试验中的一致最小方差条件无偏估计AI 解读 ↓
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Multi-arm multi-stage clinical trials compare several experimental treatments with a control treatment, with poorly performing treatments dropped at interim analyses. This leads to inferential challenges, including the construction of unbiased treatment effect estimators. A number of estimators which are unbiased conditional on treatment selection have been proposed, but are specific to certain selection rules, may ignore the comparison to the control and are not all minimum variance. We obtain estimators for treatment effects compared to the control that are uniformly minimum variance unbiased conditional on selection with any specified rule or stopping for futility.