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angle-left Alan Barkun, MDCM, M.Sc.

Senior Scientist, RI-MUHC , Montreal General Hospital

Injury Repair Recovery Program

Centre for Outcomes Research and Evaluation

Professor, Department of Medicine, Faculty of Medicine, McGill University

Department of Medicine, Division of Gastroenterology, MUHC



digestive endoscopy • technology evaluation • knoweldge translation • gastrointestinal bleeding • bilio-pancreatc diseases

Research Focus

My research focuses on assessing effectiveness and costs of emerging and established techniques that provide diagnosis and allow therapy for patients afflicted with digestive conditions such as ulcer bleeding, colorectal cancer, (including screening), and both biliary and pancreatic diseases. I also study the development of guidelines to incorporate these techniques in everyday practice, and monitor how these are taken up and applied to enhance contemporary standards of care.

Selected Publications

Click on Pubmed to see my current publications list

  • Martel M, Barkun AN, Menard C, Restellini S, Kherad O, Vanasse A. Split-Dose Preparations Are Superior to Day-Before Bowel Cleansing Regimens: A Meta-analysis. Gastroenterology. 2015 Jul;149(1):79-88. doi: 10.1053/j.gastro.2015.04.004. Epub 2015 Apr 8. PMID: 25863216.

  • Barkun AN, Adam V, Martel M, AlNaamanai K, Moses P. Partially covered self-expandable metal stents versus polyethylene stents for malignant biliary obstruction: A cost-effectiveness analysis. Can J Gastroenterol Hepatol. 2015 Jun 30. pii: 16833. [Epub ahead of print] No abstract available. PMID: 26125107.

  • Randomised clinical trial: MRCP-first vs. ERCP-first approach in patients with suspected biliary obstruction due to bile duct stones. Bhat M, Romagnuolo J, da Silveira E, Reinhold C, Valois E, Martel M, Barkun JS, Barkun AN. Aliment Pharmacol Ther. 2013;38(9):1045-53. PMID: 24024705.

  • Effectiveness of disseminating consensus management recommendations for ulcer bleeding: a cluster randomized trial. Barkun AN, Bhat M, Armstrong D, Dawes M, Donner A, Enns R, Martin J, Moayyedi P, Romagnuolo J, Stitt L. CMAJ. 2013;185(3):E156-66. PMID: 23318399.

  • Conflicts of interest ethics: silencing expertise in the development of international clinical practice guidelines. Jones DJ, Barkun AN, Lu Y, Enns R, Sinclair P, Martel M, Gralnek I, Bardou M, Kuipers EJ, Sung J; International Consensus Upper Gastrointestinal Bleeding Conference Group. Ann Intern Med. 2012;156(11):809-16, W-283. PMID: 22665816.