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Year Number of Results
1995 1
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2002 5
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2004 5
2005 15
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2008 9
2009 12
2010 10
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375 results

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Page 1
Reporting of stepped wedge cluster randomised trials: extension of the CONSORT 2010 statement with explanation and elaboration.
Hemming K, Taljaard M, McKenzie JE, Hooper R, Copas A, Thompson JA, Dixon-Woods M, Aldcroft A, Doussau A, Grayling M, Kristunas C, Goldstein CE, Campbell MK, Girling A, Eldridge S, Campbell MJ, Lilford RJ, Weijer C, Forbes AB, Grimshaw JM. Hemming K, et al. Among authors: copas a. BMJ. 2018 Nov 9;363:k1614. doi: 10.1136/bmj.k1614. BMJ. 2018. PMID: 30413417 Free PMC article.
Sample size calculation for a stepped wedge trial.
Baio G, Copas A, Ambler G, Hargreaves J, Beard E, Omar RZ. Baio G, et al. Among authors: copas a. Trials. 2015 Aug 17;16:354. doi: 10.1186/s13063-015-0840-9. Trials. 2015. PMID: 26282553 Free PMC article. Review.
How should a cluster randomized trial be analyzed?
Billot L, Copas A, Leyrat C, Forbes A, Turner EL. Billot L, et al. Among authors: copas a. J Epidemiol Popul Health. 2024 Feb;72(1):202196. doi: 10.1016/j.jeph.2024.202196. Epub 2024 Feb 10. J Epidemiol Popul Health. 2024. PMID: 38477477 Free PMC article.
Differences in Factors Associated With Preterm and Term Stillbirth: A Secondary Cohort Analysis of the DESiGN Trial.
Winsloe C, Elhindi J, Vieira MC, Relph S, Arcus CG, Alagna A, Briley A, Johnson M, Page LM, Shennan A, Thilaganathan B, Marlow N, Lees C, Lawlor DA, Khalil A, Sandall J, Copas A, Pasupathy D; DESiGN Trial team. Winsloe C, et al. Among authors: copas a. BJOG. 2025 Jan;132(1):89-98. doi: 10.1111/1471-0528.17951. Epub 2024 Sep 18. BJOG. 2025. PMID: 39291344 Free PMC article. Clinical Trial.
Effect of remote ischaemic conditioning on clinical outcomes in patients with acute myocardial infarction (CONDI-2/ERIC-PPCI): a single-blind randomised controlled trial.
Hausenloy DJ, Kharbanda RK, Møller UK, Ramlall M, Aarøe J, Butler R, Bulluck H, Clayton T, Dana A, Dodd M, Engstrom T, Evans R, Lassen JF, Christensen EF, Garcia-Ruiz JM, Gorog DA, Hjort J, Houghton RF, Ibanez B, Knight R, Lippert FK, Lønborg JT, Maeng M, Milasinovic D, More R, Nicholas JM, Jensen LO, Perkins A, Radovanovic N, Rakhit RD, Ravkilde J, Ryding AD, Schmidt MR, Riddervold IS, Sørensen HT, Stankovic G, Varma M, Webb I, Terkelsen CJ, Greenwood JP, Yellon DM, Bøtker HE; CONDI-2/ERIC-PPCI Investigators. Hausenloy DJ, et al. Lancet. 2019 Oct 19;394(10207):1415-1424. doi: 10.1016/S0140-6736(19)32039-2. Epub 2019 Sep 6. Lancet. 2019. PMID: 31500849 Free PMC article. Clinical Trial.
Exploring different objectives in non-inferiority trials.
Tweed CD, Quartagno M, Clements MN, Turner RM, Nunn AJ, Dunn DT, White IR, Copas AJ. Tweed CD, et al. Among authors: copas aj. BMJ. 2024 Jun 17;385:e078000. doi: 10.1136/bmj-2023-078000. BMJ. 2024. PMID: 38886014 Free PMC article.
Demystifying estimands in cluster-randomised trials.
Kahan BC, Blette BS, Harhay MO, Halpern SD, Jairath V, Copas A, Li F. Kahan BC, et al. Among authors: copas a. Stat Methods Med Res. 2024 Jul;33(7):1211-1232. doi: 10.1177/09622802241254197. Epub 2024 May 23. Stat Methods Med Res. 2024. PMID: 38780480 Free PMC article.
375 results