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Combined Estimation of Treatment Effects Under a Discrete Random Effects Model

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Abstract

Combining information from different groups of data, such as regions in a multi-regional study or trials in a meta-analysis, is an increasingly important problem in clinical drug development. This paper focuses on the combination of treatment effect estimates from independent sources of data (e.g., regions, trials) under a discrete, patient-level random effects model. The approach is motivated by multi-regional clinical studies, being also illustrated in the context of meta-analysis. Comparisons to traditional combination of information methods based on fixed effects (multi-regional trials) and study-level random effects (meta-analysis) are also discussed.

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Acknowledgement

We would like to thank the Associate Editor and referees for their useful comments and suggestions, which greatly improved the quality and readability of the manuscript.

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Correspondence to José Pinheiro.

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Lan, K.K.G., Pinheiro, J. Combined Estimation of Treatment Effects Under a Discrete Random Effects Model. Stat Biosci 4, 235–244 (2012). https://doi.org/10.1007/s12561-012-9054-9

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  • DOI: https://doi.org/10.1007/s12561-012-9054-9

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