Coulman KD et al (2016) A Core Outcome Set for the Benefits and Adverse Events of Bariatric and Metabolic Surgery: The BARIACT Project, PLOS Medicine,13(11): e1002187. doi:10.1371/journal.pmed.1002187

Coulman KD et al (2016) A Comparison of Health Professionals' and Patients' Views of the Importance of Outcomes of Bariatric Surgery. Obesity Surgery, 26:2738–2746 DOI 10.1007/s11695-016-2186-0

Hopkins J et al (2015) What are important outcomes of bariatric surgery? An in-depth analysis to inform the development of a core outcome set and a comparison between the views of surgeons and other health professionals (the BARIACT study). Lancet26;385 Suppl 1:S43.

Blencowe NS et al (2015) Systematic review of intervention design and delivery in pragmatic and explanatory surgical randomized clinical trials. Br J Surg, 102: 1037–1047.

Rogers CA et al (2014) The By-Band study: gastric bypass or adjustable gastric band surgery to treat morbid obesity: study protocol for a multi-centre randomised controlled trial with an internal pilot phase. Trials, 15(53).

Blazeby JM et al (2014) What is the most effective operation for adults with severe and complex obesity? BMJ; 348:g1763.

Hopkins JC et al (2014) Outcome reporting in bariatric surgery: an in-depth analysis to inform the development of a core outcome set, the BARIACT Study. Obesity Reviews, 16(1).

Welbourn R and Blazeby JM  14.04.2014 PULSE Magazine. Consultant bariatric surgeon Mr Richard Welbourn answers questions from GP Dr Martin Shields on criteria for bariatric surgery, long-term problems post-surgery and common post-operative medication.


Patient newsletter Issue 1, April 2104

Patient newsletter Issue 2, December 2015

Patient newsletter Issue 3, August 2016


In January 2016 the By-Band-Sleeve study was selected by the National Institute for Health Research (NIHR) as part of their BIG Challenge campaign to highlight studies which are involved in obesity-related research, from the perspective of the patient and the researchers.

Summary of findings from the core outcome set (COS) study

COS study summary, Coulman KD et al, May 2017