Decision-theoretic designs for phase II clinical trials allowing for competing studies
Stallard, N. (2003) Decision-theoretic designs for phase II clinical trials allowing for competing studies. Biometrics, 59 (2). pp. 402-409. ISSN 0006-341X
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To link to this article DOI: 10.1111/1541-0420.00047
This article describes an approach to optimal design of phase II clinical trials using Bayesian decision theory. The method proposed extends that suggested by Stallard (1998, Biometrics54, 279–294) in which designs were obtained to maximize a gain function including the cost of drug development and the benefit from a successful therapy. Here, the approach is extended by the consideration of other potential therapies, the development of which is competing for the same limited resources. The resulting optimal designs are shown to have frequentist properties much more similar to those traditionally used in phase II trials.