This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a McGill University directory, so their courses may be missing. Find their university profile.
Research
Latest papers
A novel multistream triangulation method to define decision thresholds for clinical practice guidelines: a Canadian Association of Gastroenterology consensus report
Journal of Clinical Epidemiology · 2026
Perioperative low molecular weight heparin bridging in aortic mechanical heart valve patients undergoing endoscopic procedures
Endoscopy International Open · 2026
When AI Meets Expertise: Trust Calibration and Delegation in Computer-Aided Polyp Detection (CADe).
Gastroenterology · 2026 · first author
Latest funding
- $795,600
Prophylactic EUS-guided gastroenterostomy in advanced periampullary cancers: A multicenter randomized controlled trial (INTERCEPT study)
CIHR · 2024 · Co-investigator
- $784,125
Digestive endoscopy in the era of COVID19: An opportunity for optimizing timely equitable care during the pandemic and beyond
CIHR · 2020 · Nominated PI
- $328,950
Endoscopic ultrasound-guided biliary drainage (EUS-BD) of first intent with a lumen apposing metal stent vs. endoscopic retrograde cholangiopancreatography (ERCP) in the management of patients with malignant distal biliary obstruction: a multi-centre randomized controlled trial (ELEMENT trial)
CIHR · 2020 · Principal investigator
133 publications.
A novel multistream triangulation method to define decision thresholds for clinical practice guidelines: a Canadian Association of Gastroenterology consensus report
Tse F, Forbes N, Singh H, Armstrong D, Barkun A, Calderwood AH, Leddin D, Menard C, Reynolds D, Sadowski D
Perioperative low molecular weight heparin bridging in aortic mechanical heart valve patients undergoing endoscopic procedures
Grewal TS, Godoy AD, Bhagirath V, Casanegra AI, Tafur A, Fontani AM, Ghorbanzadeh A, Houghton DE, Abdulrehman J, Galanaud J-P
When AI Meets Expertise: Trust Calibration and Delegation in Computer-Aided Polyp Detection (CADe).
Barkun A, Von Renteln D, Shuraida S, Vieru D
Clinical Efficacy of Endoscopic Ultrasound-Guided Gastroenterostomy, Enteral Stenting, and Surgical Gastrojejunostomy for Malignant Gastric Outlet Obstruction: A Network Meta-Analysis.
Peng YN, Faucher-Jabado G, Benmassaoud A, Martel M, Al Alawi S, Chapelle N, Albader F, Ahmed N, Metrakos P, Chaudhury P, Zogopoulos G, Calo NC, Spadaccini M, Barkun J, Barkun A, Chen YI
Quality measures in the design, conduct, and reporting of endoscopic research.
Elmunzer BJ, Madhoun M, Cote GA, Cummings LC, Shahidi N, Srivastava N, Essex EA, Scheiman JM, May FP, Yen T, Barkun A, Durkalski-Mauldin V, Dominitz JA
Implementation of a prospective video databank for artificial intelligence model development, validation, and clinical outcomes research in gastrointestinal endoscopy.
Oleksiw M, Djinbachian R, Gefflot C, Michal V, Mashayekhi N, Kandlikar-Bloch M, Battat R, Cristea E, Hanin S, Barkun A, Bouin M, Ashikian TA, von Renteln D
EUS-Guided Liver Biopsy and Portal Pressure Measurement Compared With a Transjugular Approach: A Randomized Controlled Trial.
Benmassaoud A, Bessissow A, Samoukovic G, Wong P, Zhao X, Deschenes M, Sebastiani G, Cabrera T, Valenti D, Boucher LM, Pelage JP, Muchantef K, Cardenas A, Givis MA, White S, Bousquet-Dion G, Waked C, Jacques J, Rahme E, Geraci O, Martel M, Barkun A, Maedler-Kron C, Chen YI
A National Prospective Multicenter Comparison of Risk Scores Against Clinical Judgement for the Prediction of Safe Discharge From the Emergency Department in Patients Presenting With Lower Gastrointestinal Bleeding.
Sey M, von Renteln D, Kohansal A, Veldhuyzen van Zanten S, Singh H, Edmonds M, Wiemer H, Zhou F, Pedicelli A, Keshlaf H, Archer M, Oakland K, Guizzetti L, Barkun A, Jairath V
Required withdrawal times to meet adenoma detection targets during colonoscopy.
Taghiakbari M, Calce SI, Rex DK, Oleksiw M, Djinbachian R, Barkun A, Michal V, Gefflot C, Bouin M, Bouchard S, Panzini B, Deslandres É, Daoud DC, Battat R, Orlicka K, Bernard EJ, Chen Kiow JL, von Renteln D
Reducing endoscopic procedure backlog by improving efficiency: a predictive model and machine learning-based scheduling approach.
Pham TS, Gachet H, Aljohani W, Archambault J, Martel M, Barkun A, Rousseau LM
Prophylactic EUS-guided gastroenterostomy in advanced periampullary cancers: A multicenter randomized controlled trial (INTERCEPT study)
Principal investigators: Chen, Yen-I; Barkun, Jeffrey Stewart T; Causada Calo, Natalia S
Keywords: Endoscopic Bypass; Endoscopic Stent Insertion; Endoscopic Ultrasound Guided Gastroenterostomy; Gastroenterology; Malignant Gastric Outlet Obstruction; Pancreatic Cancer; Randomized Controlled Trial; Therapeutic Endoscopic Ultrasound; Therapeutic Gastrointestinal Endoscopy
Digestive endoscopy in the era of COVID19: An opportunity for optimizing timely equitable care during the pandemic and beyond
Principal investigators: Barkun, Alan N; von Renteln, Daniel
Keywords: Endoscopy
Endoscopic ultrasound-guided biliary drainage (EUS-BD) of first intent with a lumen apposing metal stent vs. endoscopic retrograde cholangiopancreatography (ERCP) in the management of patients with malignant distal biliary obstruction: a multi-centre randomized controlled trial (ELEMENT trial)
Principal investigators: Chen, Yen-I; Barkun, Alan N
Keywords: Bile Duct Drainage; Gastroenterology; Pancreatic Cancer; Pancreatic Surgery; Randomized Controlled Trial; Stents; Therapeutic Endoscopic Ultrasound; Therapeutic Gastrointestinal Endoscopy
Improving the quality of colonoscopy services delivery in Canada
Principal investigators: Sewitch, Maida J
Keywords: Colonoscopy; Colorectal Cancer; Health Services Research; Quality; Screening
Colorectal cancer prevention and risk reduction in Kahnawake
Principal investigators: Sewitch, Maida J
Keywords: Aboriginal Health; Cancer Prevention; Colorectal Cancer; Knowledge Translation; Risk Reduction; Sex And Gender Differences
Lower your risk of getting colorectal cancer
Principal investigators: Sewitch, Maida J
Keywords: Aboriginal; Colorectal Cancer; Epidemiology; Health Services; Screening
Expert Forum on Using IT to Facilitate Uptake and Impact of Colorectal Cancer Screening Guidelines
Principal investigators: Sewitch, Maida J; Barkun, Alan N
Keywords: Colonoscopy; Colorectal Cancer; Information Technology; Integrated Knowledge Translation
The intestinal microbiota and intestinal reactivity during defined natural and biomedical exposures
Principal investigators: Manges, Amee R; Dewar, Ken; Ward, Brian J
Keywords: Immune Function; Intestinal Barrier Function; Intestinal Microbiota; Metagenomics; Molecular Epidemiology; Research Ethics And Policy
Intervention to improve colorectal cancer screening rates
Principal investigators: Sewitch, Maida J
Keywords: Aging; Colorectal Cancer; Intervention; Pilot; Screening; Telehealth
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Harminder Singh and Harminder Singh: 222 shared papers
- Laurent Azoulay and Laurent Azoulay: 193 shared papers
- Daniel von Renteln and Daniel von Renteln: 152 shared papers
- Alan Barkun and Alan Barkun: 120 shared papers
- John Eikelboom and Jackie Bosch: 93 shared papers
- Paul Moayyedi and Grigorios Leontiadis: 88 shared papers
- Paul Moayyedi and David Armstrong: 79 shared papers
- Grigorios Leontiadis and Frances Tse: 76 shared papers
- Paul Moayyedi and Frances Tse: 63 shared papers
- Frances Tse and David Armstrong: 48 shared papers
- Alain Bitton and Talat Bessissow: 47 shared papers
- Daniel von Renteln and Mahsa Taghiakbari: 34 shared papers
- Daniel von Renteln and Mahsa Taghiakbari: 34 shared papers
- Yen-I Chen and Nauzer Forbes: 27 shared papers
- Paul Moayyedi and John Eikelboom: 25 shared papers
- Grigorios Leontiadis and David Armstrong: 24 shared papers
- Yen-I Chen and Alan Barkun: 23 shared papers
- Vipul Jairath and Talat Bessissow: 22 shared papers
- Alan Barkun and Daniel von Renteln: 21 shared papers
- Alan Barkun and Daniel von Renteln: 21 shared papers
- Yen-I Chen and Alan Barkun: 20 shared papers
- Daniel von Renteln and Alan Barkun: 20 shared papers
- Paul Moayyedi and Jackie Bosch: 19 shared papers
- Paul Moayyedi and Alain Bitton: 18 shared papers
- Alain Bitton and Harminder Singh: 16 shared papers
- Alain Bitton and Harminder Singh: 16 shared papers
- Alan Barkun and Nauzer Forbes: 14 shared papers
- Nauzer Forbes and Alan Barkun: 13 shared papers
- Jeffrey Barkun and Peter Metrakos: 13 shared papers
- Yen-I Chen and Amine Benmassaoud: 12 shared papers
- Yen-I Chen and Jeffrey Barkun: 10 shared papers
- Alan Barkun and Mahsa Taghiakbari: 10 shared papers
- Alan Barkun and Jeffrey Barkun: 9 shared papers
- Amine Benmassaoud and Talat Bessissow: 8 shared papers
- John Eikelboom and Nauzer Forbes: 7 shared papers
- Jackie Bosch and Nauzer Forbes: 6 shared papers
- Elham Rahme and Alan Barkun: 5 shared papers
- Elham Rahme and Alan Barkun: 5 shared papers
- Yen-I Chen and Peter Metrakos: 5 shared papers
- Alan Barkun and Amine Benmassaoud: 5 shared papers
- Alan Barkun and Talat Bessissow: 5 shared papers
- David Armstrong and Alan Barkun: 4 shared papers
- Laurent Azoulay and Alain Bitton: 4 shared papers
- Alain Bitton and Laurent Azoulay: 4 shared papers
- Harminder Singh and Daniel von Renteln: 4 shared papers
- Alan Barkun and Peter Metrakos: 4 shared papers
- Daniel von Renteln and Harminder Singh: 4 shared papers
- Paul Moayyedi and Alan Barkun: 3 shared papers
- Grigorios Leontiadis and Alan Barkun: 3 shared papers
- Frances Tse and Alan Barkun: 3 shared papers
- Harminder Singh and Alan Barkun: 3 shared papers
- Alan Barkun and Vipul Jairath: 3 shared papers
- Alan Barkun and Harminder Singh: 3 shared papers
- Vipul Jairath and Alan Barkun: 3 shared papers
- John Eikelboom and Alan Barkun: 2 shared papers
- Jackie Bosch and Alan Barkun: 2 shared papers
- Laurent Azoulay and Alan Barkun: 2 shared papers
- Elham Rahme and Yen-I Chen: 2 shared papers
- Alain Bitton and Alan Barkun: 2 shared papers
- Caroline Reinhold and Alan Barkun: 2 shared papers
- Caroline Reinhold and Alan Barkun: 2 shared papers
- Alan Barkun and Laurent Azoulay: 2 shared papers
- Caroline Reinhold and Amine Benmassaoud: 1 shared paper
- Medicine
- Gastroenterology
- Community Health Sciences
- Biology
- Department of Epidemiology and Biostatistics
- Radiology and Diagnostic Imaging
- Rehabilitation Science
- Other
Co-authors at McGill University, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Alan Barkun
Faculty
120 shared papers, latest 2026
Yen-I Chen
Gastroenterology
23 shared papers, latest 2026
Daniel von Renteln
Faculty
21 shared papers, latest 2026
Daniel von Renteln
Faculty
21 shared papers, latest 2026
Nauzer Forbes
Medicine
14 shared papers, latest 2026
Mahsa Taghiakbari
Faculty
10 shared papers, latest 2026
Jeffrey Barkun
Faculty
9 shared papers, latest 2026
Amine Benmassaoud
Faculty
5 shared papers, latest 2026
Talat Bessissow
Medicine
5 shared papers, latest 2025
Elham Rahme
Medicine
5 shared papers, latest 2026
Peter Metrakos
Faculty
4 shared papers, latest 2026
David Armstrong
Medicine
4 shared papers, latest 2026
Vipul Jairath
Department of Epidemiology and Biostatistics
3 shared papers, latest 2026
Harminder Singh
Biology
3 shared papers, latest 2026
Frances Tse
Medicine
3 shared papers, latest 2026
Paul Moayyedi
Medicine
3 shared papers, latest 2025
Harminder Singh
Community Health Sciences
3 shared papers, latest 2026
Grigorios Leontiadis
Medicine
3 shared papers, latest 2026
Laurent Azoulay
Faculty
2 shared papers, latest 2022
Laurent Azoulay
Oncology
2 shared papers, latest 2022
Michael Walsh
Medicine
2 shared papers, latest 2025
Mohammad Yaghoobi
Medicine
2 shared papers, latest 2015
John Eikelboom
Medicine
2 shared papers, latest 2025
Jackie Bosch
Rehabilitation Science
2 shared papers, latest 2025
Martin O'Donnell
Medicine
2 shared papers, latest 2025
Shrikant Bangdiwala
Health Research Methods, Evidence, and Impact
2 shared papers, latest 2025
Alain Bitton
Faculty
2 shared papers, latest 2020
Waqqas Afif
Faculty
2 shared papers, latest 2021
Caroline Reinhold
Radiology and Diagnostic Imaging
2 shared papers, latest 2019
Gideon Hirschfield
Transplant Program
1 shared papers, latest 2019
Christopher Ma
Medicine
1 shared papers, latest 2023
Guangyong Zou
Nephrology
1 shared papers, latest 2023
Marylise Boutros
Surgery
1 shared papers, latest 2021
Steven Heitman
Medicine
1 shared papers, latest 2020
Kevin Schwartzman
Respiratory Epidemiology Unit
1 shared papers, latest 2023
John Kenneth Marshall
Medicine
1 shared papers, latest 2012
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