Pharmacological management of upper gastrointestinal Crohn's disease: a systematic review
Abstract
Background: Upper gastrointestinal Crohn's disease (UGICD) is an uncommon phenotype with limited management guidelines. We reviewed evidence on the safety and efficacy of pharmacological interventions for UGICD.
Methods: We searched MEDLINE, Embase, and Cochrane CENTRAL (1990-2025) for randomized controlled trials (RCTs) and comparative observational studies evaluating pharmacological or dietary interventions for UGICD, including esophagus to jejunum. Two reviewers screened studies, extracted data, and assessed bias (Newcastle-Ottawa Scale). Primary outcomes were clinical remission and response. Due to limited, heterogeneous evidence, data are summarized descriptively.
Results: Of 1207 citations, 11 observational studies (nine retrospective, two prospective) and post-hoc analyses from two RCTs met the criteria, involving 387 patients. Most had ileocolonic involvement (280/387; 72.3%); only 8.5% (33/387) had isolated UGICD. Five studies (137 patients) reported esophageal CD. Follow-up ranged from 6 weeks to 28 years. Interventions and outcomes varied. Anti-tumor necrosis factor (anti-TNF) drugs and corticosteroids, alone or combined with other treatments, were associated with improvements in clinical outcomes, endoscopic healing, and histology, but controlled data are lacking. Other therapies, including proton pump inhibitors, H2-receptor antagonists, enteric nutrition, immunomodulators, anti-integrins, and anti-interleukin12/23, showed moderate to minimal improvement.…
How strong is the evidence?
Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 387 participants or records.
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