Tag: multiplicity

Regulatory Expectations on Claims Based on Subgroup Findings In the ever-evolving landscape of clinical trials, subgroup analyses play an essential role in understanding the nuanced effects of treatments across different patient demographics. However, with the advantages provided by such analyses come significant regulatory expectations. This guide aims to elucidate best practices and recommendations for conducting…

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Managing Multiplicity: Controlling Type I Error in Complex Clinical Programs Managing Multiplicity: Controlling Type I Error in Complex Clinical Programs In the realm of clinical research and trials, managing multiplicity effectively is essential for ensuring the reliability and validity of trial outcomes. This article aims to provide a comprehensive guide for professionals in clinical operations,…

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Hierarchical Testing Strategies for Primary and Secondary Endpoints Hierarchical Testing Strategies for Primary and Secondary Endpoints In the realm of clinical research and trials, addressing multiplicity—specifically in the context of primary and secondary endpoints—is vital for ensuring robust statistical results and regulatory compliance. This tutorial provides a comprehensive step-by-step guide tailored for clinical operations, regulatory…

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Gatekeeping, Bonferroni and Other Multiplicity Adjustment Methods Gatekeeping, Bonferroni and Other Multiplicity Adjustment Methods In the landscape of clinical research and trials, managing the statistical challenges related to multiple comparisons is crucial for maintaining the integrity and validity of the conclusions drawn from trial data. This article serves as a comprehensive step-by-step guide aiming to…

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Planning and Interpreting Subgroup Analyses—Without P-Hacking Planning and Interpreting Subgroup Analyses—Without P-Hacking Subgroup analyses play a critical role in clinical trials, providing insight into the variability of treatment effects across different patient populations. However, these analyses must be approached with caution to avoid misleading conclusions or “P-hacking,” a practice that can undermine the integrity of…

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