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Optimal choice of the number of treatments to be included in a clinical trial
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Stallard, Nigel, Posch, Martin, Friede, Tim, Koenig, F. (Franz) and Brannath, Werner (2009) Optimal choice of the number of treatments to be included in a clinical trial. Statistics in Medicine, Vol.28 (No.9). pp. 1321-1338. doi:10.1002/sim.3551
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Official URL: http://dx.doi.org/10.1002/sim.3551
Abstract
It is common for a number of potentially effective treatments to be available for clinical evaluation. Limitations on resources mean that this inevitably leads to a decision as to how many, and which, treatments should be considered for inclusion in a clinical trial. This paper considers the problem of selection of possible treatments for inclusion in a phase III clinical trial. We assume that treatments will be compared using a standard frequentist hypothesis test, and propose a Bayesian decision-theoretic approach that leads to minimization of the total sample size of the trial subject to controlling the familywise type I error rate and the expected probability of rejecting at least one null hypothesis. The method is illustrated in the simplest situation, in which two experimental treatments could be included in the clinical trial, exploring the levels of evidence that are required to lead to an optimal trial that includes one or both of these treatments. Copyright (C) 2009 John Wiley & Sons, Ltd.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QA Mathematics R Medicine > R Medicine (General) R Medicine > RM Therapeutics. Pharmacology |
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Clinical trials -- Design, Bayesian statistical decision theory, Therapeutics -- Testing, Drugs -- Effectiveness -- Evaluation, Drug development | ||||
| Journal or Publication Title: | Statistics in Medicine | ||||
| Publisher: | John Wiley & Sons Ltd. | ||||
| ISSN: | 0277-6715 | ||||
| Official Date: | 30 April 2009 | ||||
| Dates: |
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| Volume: | Vol.28 | ||||
| Number: | No.9 | ||||
| Number of Pages: | 18 | ||||
| Page Range: | pp. 1321-1338 | ||||
| DOI: | 10.1002/sim.3551 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | British Council (Austria) | ||||
| Version or Related Resource: | Stallard, N., Friede, T., Posch, M., Koenig, F. and Brannath, W. (2010), Correction. Statist. Med., 29: 614–615. doi: 10.1002/sim.3817 |
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