Cousins, S.Blencowe, N. S.Tsang, C.Chalmers, K.Mardanpour, A.Carr, A. J.Campbell, M. K.Cook, J. A.Beard, D. J.Blazeby, J. M.2020-04-142020-04-142020-08-01Cousins, S, Blencowe, N S, Tsang, C, Chalmers, K, Mardanpour, A, Carr, A J, Campbell, M K, Cook, J A, Beard, D J & Blazeby, J M 2020, 'Optimizing the design of invasive placebo interventions in randomized controlled trials', British Journal of Surgery, vol. 107, no. 9, pp. 1114-1122. https://doi.org/10.1002/bjs.115090007-1323https://hdl.handle.net/2164/14071The authors thank A. Skilton for preparing Fig. 1. This study was supported by the NIHR Biomedical Research Centre at University Hospitals Bristol National Health Service (NHS) Foundation Trust and the University of Bristol, MRC ConDuCT‐II (Collaboration and innovation for Difficult and Complex randomised controlled Trials In Invasive procedures) Hub for Trials Methodology Research (MR/K025643/1) (http://www.bristol.ac.uk/population‐health‐sciences/centres/conduct2), a NIHR senior investigator award (NF‐SI‐0514‐10114) and the Bristol Royal College of Surgeons Trials Centre. The views expressed in this publication are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health and Social Care. The funders played no role in any aspect of the study design, analysis or publication decisions.9380400engGASTROESOPHAGEAL-REFLUX DISEASESHAM SURGERYVERTEBROPLASTYVOLUMER MedicineSurgeryMedical Research Council (MRC)MR/K025643/1National Institute for Health Research (NIHR)NF‐SI‐0514‐10114RJournal article10.1002/bjs.11509http://www.scopus.com/inward/record.url?scp=85081967014&partnerID=8YFLogxK1079