Clinical trial : A Mediterranean diet is feasible and improves gastrointestinal and psychological symptoms in irritable bowel syndrome

© 2023 The Authors. Alimentary Pharmacology & Therapeutics published by John Wiley & Sons Ltd..

BACKGROUND: Diet is fundamental to the care of irritable bowel syndrome (IBS). However, some approaches are not appropriate for individuals experiencing psychological symptoms.

AIMS: To assess feasibility of a Mediterranean diet in IBS and its impact on gastrointestinal and psychological symptoms.

METHODS: We recruited adults with Rome IV IBS and mild or moderate anxiety and/or depressive symptoms to an unblinded 6-week randomised controlled trial. Patients were randomised to Mediterranean diet counselling or habitual diet. We collected gastrointestinal and psychological symptom data, dietary data and stool samples for metagenomic sequencing.

RESULTS: We randomised 59 individuals (29 Mediterranean diet, 30 control); 48 completed the study. The Mediterranean Diet Adherence Screener score was higher in the Mediterranean diet group than controls at week 6 (7.5 [95% CI: 6.9-8.0] vs. 5.7 [5.2-6.3], p < 0.001), and there was a greater score increase than controls (2.1 [95% CI: 1.3-2.9] vs. 0.5 [95% CI: 0.1-1.0], p = 0.004), demonstrating Mediterranean diet feasibility. There was a greater proportion of gastrointestinal symptom responders in the Mediterranean diet group than controls (24/29, 83% vs. 11/30, 37%, p < 0.001) and depression responders (15/29, 52% vs. 6/30 20%, p = 0.015). There was no difference in FODMAP intake at week 6 (p = 0.51). Gastrointestinal adverse events were similar (p = 0.588). There were no differences in change in microbiome parameters between groups.

CONCLUSIONS: A Mediterranean diet is feasible in IBS and leads to improvement in gastrointestinal and psychological symptoms. Although this study was unblinded, these findings together with the broader benefits of the Mediterranean diet, provide strong impetus for future research in IBS. Australia New Zealand Clinical Trials Registry: ACTRN12620001362987.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:59

Enthalten in:

Alimentary pharmacology & therapeutics - 59(2024), 4 vom: 12. Jan., Seite 492-503

Sprache:

Englisch

Beteiligte Personen:

Staudacher, Heidi M [VerfasserIn]
Mahoney, Sophie [VerfasserIn]
Canale, Kim [VerfasserIn]
Opie, Rachelle S [VerfasserIn]
Loughman, Amy [VerfasserIn]
So, Daniel [VerfasserIn]
Beswick, Lauren [VerfasserIn]
Hair, Chris [VerfasserIn]
Jacka, Felice N [VerfasserIn]

Links:

Volltext

Themen:

Disaccharides
Irritable bowel syndrome < disease-based
Journal Article
Microbiome < topics
Monosaccharides
Nutrition < topics
Psychiatric disorders < topics
Randomized Controlled Trial

Anmerkungen:

Date Completed 23.01.2024

Date Revised 23.01.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1111/apt.17791

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM364606398