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|Title:||Asymptotic properties of adaptive designs for clinical trials with delayed response|
|Authors:||Bai, Z.D. |
|Keywords:||Generalized Friedman's urn|
Randomized play-the-winner rule
|Source:||Bai, Z.D.,Hu, F.,Rosenberger, W.F. (2002-02). Asymptotic properties of adaptive designs for clinical trials with delayed response. Annals of Statistics 30 (1) : 122-139. ScholarBank@NUS Repository. https://doi.org/aos/1015362187|
|Abstract:||For adaptive clinical trials using a generalized Friedman's urn design, we derive the limiting distribution of the urn composition under staggered entry and delayed response. The stochastic delay mechanism is assumed to depend on both the treatment assigned and the patient's response. A very general setup is employed with K treatments and L responses. When L = K = 2, one example of a generalized Friedman's urn design is the randomized playthe-winner rule. An application of this rule occurred in a clinical trial of depression, which had staggered entry and delayed response. We show that maximum likelihood estimators from such a trial have the usual asymptotic properties.|
|Source Title:||Annals of Statistics|
|Appears in Collections:||Staff Publications|
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