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Adding flexibility to clinical trial designs: an example-based guide to the practical use of adaptive designs

Burnett, Thomas, Mozgunov, Pavel, Pallmann, Philip, Villar, Sofia S., Wheeler, Graham M. and Jaki, Thomas 2020. Adding flexibility to clinical trial designs: an example-based guide to the practical use of adaptive designs. BMC Medicine 18 , 352. 10.1186/s12916-020-01808-2

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Abstract

Adaptive designs for clinical trials permit alterations to a study in response to accumulating data in order to make trials more flexible, ethical, and efficient. These benefits are achieved while preserving the integrity and validity of the trial, through the pre-specification and proper adjustment for the possible alterations during the course of the trial. Despite much research in the statistical literature highlighting the potential advantages of adaptive designs over traditional fixed designs, the uptake of such methods in clinical research has been slow. One major reason for this is that different adaptations to trial designs, as well as their advantages and limitations, remain unfamiliar to large parts of the clinical community. The aim of this paper is to clarify where adaptive designs can be used to address specific questions of scientific interest; we introduce the main features of adaptive designs and commonly used terminology, highlighting their utility and pitfalls, and illustrate their use through case studies of adaptive trials ranging from early-phase dose escalation to confirmatory phase III studies.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Centre for Trials Research (CNTRR)
Medicine
Additional Information: This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
Publisher: BioMed Central
ISSN: 1741-7015
Date of First Compliant Deposit: 20 November 2020
Date of Acceptance: 6 October 2020
Last Modified: 20 Nov 2020 15:50
URI: http://orca.cf.ac.uk/id/eprint/135370

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