Optimal multistage designs for randomised clinical trials with continuous outcomes

Multistage designs allow considerable reductions in the expected sample size of a trial. When stopping for futility or efficacy is allowed at each stage, the expected sample size under different possible true treatment effects (δ) is of interest. The δ-minimax design is the one for which the maximum...

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Bibliographic Details
Main Authors: Wason, James MS, Mander, Adrian P, Thompson, Simon G
Format: Online
Language:English
Published: Blackwell Publishing Ltd 2012
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3499690/