ArticleInflammatory bowel diseases2025
Intestinal Permeability In Vivo in Patients With Inflammatory Bowel Disease: Comparison of Active Disease and Remission.
Article in Inflammatory bowel diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A multi-mineral intervention is associated with improved intestinal permeability in patients with ulcerative colitis: results from a pilot trial.Frontiers in medicine · 2026Trial
- Recent Advances in Exploring Casein Peptide Regulation of Inflammatory Bowel Disease from an Intestinal Barrier Perspective: Correlations, Mechanisms, Challenges and Solutions.Foods (Basel, Switzerland) · 2026Review
- [Malnutrition in Inflammatory Bowel Disease].Revista medica del Instituto Mexicano del Seguro Social · 2026Review
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Authors and funding
9 authors.
Funding
Abstract
BACKGROUND AND
aimsInflammatory bowel disease (IBD) is associated with altered mucus and increased intestinal permeability (IP). Prior reports on permeability in IBD typically used lactulose-to-mannitol ratio (LMR). Food contamination with 12C-mannitol is a significant potential confounder in IP assessment. We aimed to compare small intestinal (SI) and colonic (COL) permeability in IBD, both active (ACT) and in remission (REM), to normal healthy volunteers (NHV).
methodsInflammatory bowel disease activity was based on Simple Endoscopic Score for Crohn's Disease (SES-CD) and Mayo endoscopy score for ulcerative colitis (UC). We performed 24-hour IP test using 100 mg 13C-mannitol and 1000 mg lactulose with urine collected during 0-2, 2-8, and 8-24 hours. The primary endpoint was mg excretion of 13C-mannitol and lactulose during 2-24 hours reflecting SI and COL permeability.
resultsAmong 17 CD patients, 7 were ACT (SES-CD >6), and 10 REM (SES-CD 0-2). Among 20 UC patients, 10 had ACT (Mayo score 2-3), and 10 REM (Mayo score 0-1). Urinary excretions over 2-24 hours were higher for IBD than NHV: 13C-mannitol (13.8 [IQR 8.8, 18.7] NHV; 18.4 [15.6, 29.9] REM; 19.7 [13.8, 23.6] ACT, P = .003) and lactulose (1.8 [1.3, 3.1] NHV; 3.6 [2.0, 5.0] REM; 3.5 [2.0, 6.6] ACT, P = .006). There was no difference between ACT and REM for any timed urine collection. LMR at 2-24 hours (or 2-8 and 8-24 hours) were not statistically significant between the 3 groups (0.014 [0.010, 0.021] NHV; 0.016 [0.010, 0.023] REM; 0.016 [0.012, 0.038] ACT, P = .237).
conclusionsIntestinal permeability is increased in IBD using validated in vivo assay relative to NHV; increased IP in IBD persists during remission.
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