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Related Experiment Videos

Some statistical methods for multiple endpoints in clinical trials

J Zhang1, H Quan, J Ng

  • 1Merck Research Laboratories, Clinical Biostatistics and Research Data Systems, Rahway, NJ 07065-0900, USA.

Controlled Clinical Trials
|June 1, 1997
PubMed
Summary
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This study compares multiple endpoint comparison methods for clinical trials, including alpha-level adjustments and global assessment procedures. It introduces a new composite endpoint method and weighting scheme for enhanced statistical power.

Area of Science:

  • Biostatistics
  • Clinical Trial Design
  • Statistical Methodology

Background:

  • Clinical trials often involve multiple endpoints, necessitating statistical methods to control for Type I error rates.
  • Traditional methods like Bonferroni and Holm adjustments are widely used but may lack power.
  • Global assessment measures offer an alternative approach to handling multiplicity.

Purpose of the Study:

  • To summarize, define, and discuss various multiple endpoints comparison procedures for clinical trials.
  • To compare established methods (e.g., Bonferroni, Holm, O'Brien's test, Simes' procedure) with novel approaches.
  • To propose and evaluate a new composite endpoint strategy and a modified weighting scheme for Holm's procedure.

Main Methods:

  • Review and comparison of alpha-level adjustment procedures (Bonferroni, Holm).

Related Experiment Videos

  • Examination of global assessment measures (O'Brien's test, Simes' procedure).
  • Development and application of a composite endpoint procedure and a novel weighting scheme for Holm's method.

    • Main Results:

    • Comparison of different multiplicity procedures in a clinical trial context.
    • Investigation into the impact of endpoint correlation on alpha-level adjustments.
    • Evaluation of the proposed composite endpoint and modified Holm procedure.

    Conclusions:

    • The study provides a comparative overview of multiplicity adjustment methods in clinical trials.
    • A novel composite endpoint approach and an enhanced Holm procedure are presented.
    • Recommendations regarding the ease of use and relevance of different methods are summarized.