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Long-term efficacy and safety of vedolizumab compared with infliximab in biologic-naive ulcerative colitis: a systematic review and meta-analysis doi.org/10.5217/ir.2026.0010…

Hot topic: Step- Up Therapy in Newly Diagnosed Crohn’s Disease: Real-World Trends from Japan doi.org/10.5217/ir.2025.0005…

Volume 24(3); July 2026 irjournal.org

Long-term clinical and endoscopic efficacy of vedolizumab and therapeutic persistence in patients with ulcerative colitis in China: a multicenter observational study doi.org/10.5217/ir.2025.0004…

Efficacy and safety of ozanimod in Japanese patients with moderately to severely active ulcerative colitis naive to immunomodulators or advanced therapies: post hoc analysis of the phase 2/3 J-True North study doi.org/10.5217/ir.2026.0003…

Efficacy and safety of ustekinumab in Asian patients with moderately to severely active Crohn’s disease: a small subpopulation analysis of UNITI/IM-UNITI long-term extension through 5 years doi.org/10.5217/ir.2025.0028…

Effectiveness of adjunctive use of antibiotics in acute severe ulcerative colitis: a propensity score matching analysis doi.org/10.5217/ir.2025.0034…

🎉 Intestinal Research has achieved a 2025 Impact Factor of 4.7 and advanced to Q1 in the Gastroenterology & Hepatology category! A heartfelt thank you to our authors, reviewers, editorial board members, and readers for your continued support.

Association between remnant cholesterol and advanced colorectal adenoma in individuals under 50 years of age doi.org/10.5217/ir.2026.0009…

Rapid diagnosis and therapeutic mitigation in inflammatory bowel disease: utilizing the window of opportunity–findings from the UAE Epi-IBD study doi.org/10.5217/ir.2026.0003…

Safety of Janus kinase inhibitors compared to biologic therapy in patients with inflammatory bowel disease doi.org/10.5217/ir.2025.0023…

Volume 24(2); April 2026 irjournal.org/

Appropriate J-pouch volume associated with improved clinical outcomes and long-term quality of life in patients with ulcerative colitis after ileal pouch-anal anastomosis: results from China UC Pouch Center Union doi.org/10.5217/ir.2026.0000…

Impact of filgotinib on health-related quality of life over 3 years in Japanese patients with ulcerative colitis: a post hoc analysis of the SELECTION and SELECTION long-term extension trials doi.org/10.5217/ir.2025.0021…

Prospective evaluation of artificial intelligence-assisted monitoring of the effective withdrawal time on adenoma detection doi.org/10.5217/ir.2025.0026…

Analysis of gut microbiota in super donors for fecal microbiota transplantation and isolated gut commensal bacteria of inhibition against Clostridioides difficile doi.org/10.5217/ir.2025.0017…

Association between anti-tumor necrosis factor alpha exposure and new-onset autoimmune diseases in inflammatory bowel disease: a nationwide case-control study in Korea doi.org/10.5217/ir.2025.0019…

Characteristics of monogenic inflammatory bowel disease in very early-onset cases: a Japanese multicenter registry study doi.org/10.5217/ir.2025.0020…

Temporal hospitalization trends for inflammatory bowel disease in Taiwan doi.org/10.5217/ir.2025.0019…

Safety and effectiveness of budesonide rectal foam for ulcerative colitis in a large-scale, multicenter, prospective observational study: final report of post-marketing surveillance in Japan doi.org/10.5217/ir.2025.0016…