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Trial forge guidance 2: how to decide if a further Study Within A Trial (SWAT) is needed

Treweek, Shaun, Bevan, Simon, Bower, Peter, Briel, Matthias, Campbell, Marion, Christie, Jacquie, Collett, Clive, Cotton, Seonaidh, Devane, Declan, Feky, Adel El, Galvin, Sandra, Gardner, Heidi, Gillies, Katie, Hood, Karenza, Jansen, Jan, Littleford, Roberta, Parker, Adwoa, Ramsay, Craig, Restrup, Lynne, Sullivan, Frank, Torgerson, David, Tremain, Liz, Elm, Erik von, Westmore, Matthew, Williams, Hywel, Williamson, Paula R and Clarke, Mike 2020. Trial forge guidance 2: how to decide if a further Study Within A Trial (SWAT) is needed. Trials 21 , 33. 10.1186/s13063-019-3980-5

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Abstract

The evidence base available to trialists to support trial process decisions—e.g. how best to recruit and retain participants, how to collect data or how to share the results with participants—is thin. One way to fill gaps in evidence is to run Studies Within A Trial, or SWATs. These are self-contained research studies embedded within a host trial that aim to evaluate or explore alternative ways of delivering or organising a particular trial process. SWATs are increasingly being supported by funders and considered by trialists, especially in the UK and Ireland. At some point, increasing SWAT evidence will lead funders and trialists to ask: given the current body of evidence for a SWAT, do we need a further evaluation in another host trial? A framework for answering such a question is needed to avoid SWATs themselves contributing to research waste. This paper presents criteria on when enough evidence is available for SWATs that use randomised allocation to compare different interventions.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Centre for Trials Research (CNTRR)
Publisher: BioMed Central
ISSN: 1745-6215
Date of First Compliant Deposit: 12 December 2019
Date of Acceptance: 9 December 2019
Last Modified: 10 Mar 2020 18:14
URI: http://orca-mwe.cf.ac.uk/id/eprint/127489

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Cited 3 times in Scopus. View in Scopus. Powered By Scopus® Data

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