Methods for identification and confirmation of targeted subgroups in clinical trials: A systematic review
Open Access
- 17 September 2015
- journal article
- research article
- Published by Taylor & Francis Ltd in Journal of Biopharmaceutical Statistics
- Vol. 26 (1), 99-119
- https://doi.org/10.1080/10543406.2015.1092034
Abstract
Important objectives in the development of stratified medicines include the identification and confirmation of subgroups of patients with a beneficial treatment effect and a positive benefit-risk balance. We report the results of a literature review on methodological approaches to the design and analysis of clinical trials investigating a potential heterogeneity of treatment effects across subgroups. The identified approaches are classified based on certain characteristics of the proposed trial designs and analysis methods. We distinguish between exploratory and confirmatory subgroup analysis, frequentist, Bayesian and decision-theoretic approaches and, last, fixed-sample, group-sequential, and adaptive designs and illustrate the available trial designs and analysis strategies with published case studies.Keywords
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