ArticleGastro hep advances2026
Effectiveness of a FODMAP-Based, Coach-Supervised, and Peer-Supported Lifestyle Program in Reducing Gastrointestinal and Extraintestinal Symptoms in Irritable Bowel Syndrome.
Article in Gastro hep advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and Aims: We aimed to evaluate the impact of a comprehensive lifestyle program that integrates dietary, behavioral, and peer support strategies on gastrointestinal and extraintestinal symptoms in patients with irritable bowel syndrome (IBS). Methods: We performed a cross-sectional study analyzing a consecutive series of patients with IBS according to Rome IV criteria who participated in a structured, 3-week digital program between July 2022 and January 2025. The intervention combined a low-FODMAP, low-starch, low-sucrose diet with continuous guidance from a nutritionist-coach, daily educational materials (recipes, meal planning tips), peer support through shared group participation, and non-pharmacological tools such as mindfulness and physical activity. Symptom severity was assessed before and after the program using the IBS Severity Scoring System, the Patient Health Questionnaire-9 for depression, and Likert scales for extraintestinal symptoms. Results: A total of 14,186 patients with IBS were analyzed; the mean age was 44.5 (16-86) years, and 13,323 (93.9%) were female. IBS-M (mixed bowel habits) was the more frequent IBS subtype (n = 6,496, 45.8%); 8729 (61.5%) had ≥2 extraintestinal symptoms, and 6923 (48.8%) reported moderate or severe depressive symptoms. IBS-Severity Scoring System scores significantly decreased from 287.3 ± 69.5 to 188.3 ± 87.6 ( Conclusion: A structured multidisciplinary intervention with dietary guidance and non-pharmacological strategies significantly improved both gastrointestinal and extraintestinal symptoms of IBS. A holistic approach addressing patients' diet, exercise habits, well-being, and mental health is recommended for the management of this complex disease.
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