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Italian Journal of Pediatrics
Published in: Italian Journal of Pediatrics 1/2019

Open Access 01-12-2019 | Irritable Bowel Syndrome | Review

Efficacy of the gluten free diet in the management of functional gastrointestinal disorders: a systematic review on behalf of the Italian Society of Paediatrics

Authors: Elena Scarpato, Renata Auricchio, Francesca Penagini, Angelo Campanozzi, Gian Vincenzo Zuccotti, Riccardo Troncone

Published in: Italian Journal of Pediatrics | Issue 1/2019

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Abstract

Background

Functional gastrointestinal disorders (FGIDs) are characterized by chronic/recurrent gastrointestinal symptoms not related to organic disorders. Due to the limited treatment options and to the perception of subjects with FGIDs suffering from a food intolerance, in recent years there has been an increase in the self-prescription of elimination diets, especially gluten free diet (GFD), for the treatment of these disorders. For this reason, we decided to perform this systematic review with the aim to evaluate the available evidence on the effects of a GFD on gastrointestinal symptoms, in subjects with FGIDs.

Methods

Cochrane Library and MEDLINE (via PubMed) databases were searched, from inception to March 2018, using the MeSH terms “functional gastrointestinal disorder OR irritable bowel syndrome AND gluten”. We included all the clinical trials published in English and evaluating the effects of a GFD in subjects with FGIDs diagnosed according to the Rome II, III, and IV criteria.

Results

Eleven trials were eligible (3 prospective trials, 8 single or double-blind placebo-controlled trials), with 10/11 trials including adult subjects with irritable bowel syndrome (IBS) or FGIDs. Most of the prospective studies found an effect of GFD on gastrointestinal symptoms control. Nevertheless, 1 trial failed to find an association between gluten and GI symptoms when FODMAPs (fermentable oligosaccharides, disaccharides, monosaccharides and polyols) content was simultaneously reduced in the diet, and 2 trials reported a worsening of symptoms during placebo administration. The results of the different trials are difficult to compare due to discrepancies in the study protocols regarding the amount and type of gluten administered, the duration of the gluten challenge, the type of placebo used, and the duration of the challenge itself.

Conclusions

According to our results, gluten may contribute to the occurrence of gastrointestinal symptoms in patients with FGIDs, particularly in those with IBS. Nevertheless, the results of the currently available trials are difficult to compare due to the lack of standardization in the study designs. For this reason, it is still not possible to recommend the use of the GFD in the routine management of FGIDs.
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Metadata
Title
Efficacy of the gluten free diet in the management of functional gastrointestinal disorders: a systematic review on behalf of the Italian Society of Paediatrics
Authors
Elena Scarpato
Renata Auricchio
Francesca Penagini
Angelo Campanozzi
Gian Vincenzo Zuccotti
Riccardo Troncone
Publication date
01-12-2019
Publisher
BioMed Central
Published in
Italian Journal of Pediatrics / Issue 1/2019
Electronic ISSN: 1824-7288
DOI
https://doi.org/10.1186/s13052-019-0606-1

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