Trends and safety of small bowel endoscopy in Crohn’s disease in Japan: a large-scale claims database analysis doi.org/10.5217/ir.2026.0014…

Upadacitinib and upadacitinib-vedolizumab combination therapy for refractory pediatric-onset inflammatory bowel disease doi.org/10.5217/ir.2026.0011…

Computed tomography enterography-defined transmural healing is associated with lower hospitalization risk in patients with Crohn’s disease doi.org/10.5217/ir.2026.0011…

Disease characteristics, outcomes, and poor prognostic factors of perianal fistula in Korean patients with Crohn’s disease: a multicenter, retrospective observational study doi.org/10.5217/ir.2026.0003…

Comparative outcomes for tirzepatide versus glucagon-like peptide-1 receptor agonists in patients with inflammatory bowel disease: a national propensity matched study doi.org/10.5217/ir.2026.0015…

Real-world efficacy and safety of upadacitinib in difficult-to-treat Crohn’s disease: a 24-week multicenter study from China doi.org/10.5217/ir.2026.0011…

Volume 24(3); July 2026 irjournal.org

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

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…

Transabdominal ultrasonography for small-bowel lesions in Crohn’s disease: a prospective comparison with balloon-assisted enteroscopy doi.org/10.5217/ir.2026.0001…

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…

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…

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…

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.

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…

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

Incidence and treatment-based risk stratification of opportunistic infections in patients with inflammatory bowel disease: an ambispective cohort study in Brazil doi.org/10.5217/ir.2025.0020…

Guselkumab efficacy and safety in East Asian participants with moderately to severely active Crohn’s disease: subgroup analysis of the phase 3 GALAXI 2 and GALAXI 3 trials doi.org/10.5217/ir.2025.0015…

Real-world use and perceptions of advanced combined therapies in treating inflammatory bowel disease doi.org/10.5217/ir.2025.0032…