John K MacDonald

Western University — Canada

Biochemistry, Genetics and Molecular Biology · Life Sciences

58h-index12.4kcitations177works1.12yr avg
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Research Topics

Inflammatory Bowel Disease(115), Microscopic Colitis(90), Autoimmune and Inflammatory Disorders(17), Helicobacter pylori-related gastroenterology studies(15), Eosinophilic Esophagitis(15)

Publications177 total

Placebo rates in randomized clinical trials of ulcerative colitis: an individual patient data meta-analysis
Journal of Crohn s and Colitis·2025· 1 citedOpen Access
Placebo Rates in Metabolic Dysfunction–Associated Steatohepatitis Clinical Trials: A Systematic Review and Meta-Analysis
Clinical Gastroenterology and Hepatology·2025
Scoring indices for assessing endoscopic disease activity in acute severe ulcerative colitis: a systematic review
Journal of Crohn s and Colitis·2025· 1 cited
Pharmacological Strategies for the Management of Severe Alcohol-associated Hepatitis: A Systematic Review and Meta-Analysis
Clinical Gastroenterology and Hepatology·2025· 2 cited
Medical Therapy for Acute Severe Ulcerative Colitis: A Systematic Review With Meta-analysis
Clinical Gastroenterology and Hepatology·2025· 1 citedOpen Access
Su1834: PLACEBO RATES IN RANDOMIZED CLINICAL TRIALS OF ULCERATIVE COLITIS: AN INDIVIDUAL PATIENT DATA META-ANALYSIS
Gastroenterology·2025
Mo1266: PREVALENCE OF IMMUNE-MEDIATED EXTRAINTESTINAL MANIFESTATIONS IN PEDIATRIC INFLAMMATORY BOWEL DISEASE: A SYSTEMATIC REVIEW AND META-ANALYSIS
Gastroenterology·2025
Endoscopic scoring indices for assessing disease severity in familial adenomatous polyposis: Systematic review
Endoscopy International Open·2024· 1 citedOpen Access
Operating Properties of Disease Activity Indices in Pediatric Inflammatory Bowel Disease: A Systematic Review
Inflammatory Bowel Diseases·2024· 4 citedOpen Access
Scoring Indices for Perianal Fistulising Crohn’s Disease: A Systematic Review
Journal of Crohn s and Colitis·2023· 22 cited
Use of external control arms in immune-mediated inflammatory diseases: a systematic review
BMJ Open·2023· 5 citedOpen Access
Pharmacological Therapies for the Management of Fistulizing Crohn’s Disease: A Systematic Review and Meta-Analysis
Journal of Crohn s and Colitis·2023· 25 cited
S222 Endoscopic Scoring Indices for Assessing Disease Severity in Familial Adenomatous
The American Journal of Gastroenterology·2023
Systematic review with meta‐analysis: Medical therapies for treatment of ulcerative proctitis
Alimentary Pharmacology & Therapeutics·2023· 14 citedOpen Access
Efficacy and Safety of IL-12/23 and IL-23 Inhibitors for Crohn’s Disease: Systematic Review and Meta-Analysis
Digestive Diseases and Sciences·2023· 23 citedOpen Access
Efficacy and Safety of Advanced Oral Small Molecules for Inflammatory Bowel Disease: Systematic Review and Meta-Analysis
Journal of Crohn s and Colitis·2023· 45 citedOpen Access
Systematic review and meta‐analysis of randomised controlled trials: Medical therapies for the treatment and prevention of pouchitis
Alimentary Pharmacology & Therapeutics·2023· 10 cited
Meta‐analysis: Placebo rates in microscopic colitis randomised trials and applications for future drug development using a historical control arm
Alimentary Pharmacology & Therapeutics·2023· 3 citedOpen Access
Placebo Response Rates in Randomized Controlled Trials for Perianal Crohn’s Disease: A Systematic Review and Meta-Analysis
Journal of Crohn s and Colitis·2022· 2 cited
Placebo Rates in Randomized Controlled Trials of Proctitis Therapy: A Systematic Review and Meta-Analysis Placebo Response in Proctitis
Journal of Crohn s and Colitis·2022· 3 cited
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Frequent Co-authors

Brian G. Feagan(17), Nilesh Chande(11), John WD McDonald(11), Yongjun Wang(7), Reena Khanna(7), Mahmoud Mosli(6), Claire E. Parker(6), Guangyong Zou(5), William J. Sandborn(5), David J. Tsoulis(5), Barrett G. Levesque(5), Lloyd R. Sutherland(4), Antje Timmer(4), Claire E Parker(4), Vipul Jairath(4), Geert D’Haens(4), Tran M Nguyen(4), Petrease H Patton(3), Morris Gordon(3), Sigrid Nelson(3)