Irritable Bowel Syndrome Clinical Trial
— IBS-NCGSOfficial title:
Double Blind Randomized Clinical Trial in Subjects With Irritable Bowel Syndrome for the Identification of Gluten Sensitivity
Verified date | December 2019 |
Source | University of Bari |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of our study will be to establish in how many subjects with gastrointestinal symptoms and previous diagnosis of irritable bowel syndrome (IBS), the clinical picture is attributable to non celiac gluten sensitivity (NCGS) or fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAPs) intolerance. For this purpose, all subjects with IBS will take a low FODMAPs diet, which implies the absence of cereals and consequently of gluten, and those presenting symptom improvement during this dietary treatment, will be exposed to a double-blind gluten or placebo challenge, to make a diagnosis of NCGS.
Status | Completed |
Enrollment | 40 |
Est. completion date | October 30, 2019 |
Est. primary completion date | September 30, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility |
Inclusion Criteria: - a gluten-containing diet for at least six months before enrollment - anti-transglutaminase antibodies (IgA and IgG) absence - normal serum IgA levels - prick and specific IgE tests for wheat allergy negative Exclusion Criteria: - celiac disease - wheat allergy - chronic intestinal inflammatory diseases - psychiatric disorders - major abdominal surgery (in particular intestinal resections) - diabetes mellitus - previous anaphylactic episodes - gluten-free diet in the previous six months - pregnant or lactating women. |
Country | Name | City | State |
---|---|---|---|
Italy | Michele Barone | Bari | BA |
Lead Sponsor | Collaborator |
---|---|
University of Bari |
Italy,
Calasso M, Francavilla R, Cristofori F, De Angelis M, Gobbetti M. New Protocol for Production of Reduced-Gluten Wheat Bread and Pasta and Clinical Effect in Patients with Irritable Bowel Syndrome: A randomised, Double-Blind, Cross-Over Study. Nutrients. 2 — View Citation
Carroccio A, Rini G, Mansueto P. Non-celiac wheat sensitivity is a more appropriate label than non-celiac gluten sensitivity. Gastroenterology. 2014 Jan;146(1):320-1. doi: 10.1053/j.gastro.2013.08.061. Epub 2013 Nov 22. — View Citation
Catassi C, Alaedini A, Bojarski C, Bonaz B, Bouma G, Carroccio A, Castillejo G, De Magistris L, Dieterich W, Di Liberto D, Elli L, Fasano A, Hadjivassiliou M, Kurien M, Lionetti E, Mulder CJ, Rostami K, Sapone A, Scherf K, Schuppan D, Trott N, Volta U, Ze — View Citation
Catassi C, Elli L, Bonaz B, Bouma G, Carroccio A, Castillejo G, Cellier C, Cristofori F, de Magistris L, Dolinsek J, Dieterich W, Francavilla R, Hadjivassiliou M, Holtmeier W, Körner U, Leffler DA, Lundin KE, Mazzarella G, Mulder CJ, Pellegrini N, Rostami — View Citation
Drossman DA. Functional Gastrointestinal Disorders: History, Pathophysiology, Clinical Features and Rome IV. Gastroenterology. 2016 Feb 19. pii: S0016-5085(16)00223-7. doi: 10.1053/j.gastro.2016.02.032. [Epub ahead of print] — View Citation
Jones AL. The Gluten-Free Diet: Fad or Necessity? Diabetes Spectr. 2017 May;30(2):118-123. doi: 10.2337/ds16-0022. — View Citation
Junker Y, Zeissig S, Kim SJ, Barisani D, Wieser H, Leffler DA, Zevallos V, Libermann TA, Dillon S, Freitag TL, Kelly CP, Schuppan D. Wheat amylase trypsin inhibitors drive intestinal inflammation via activation of toll-like receptor 4. J Exp Med. 2012 Dec — View Citation
Van den Houte K, Carbone F, Pannemans J, Corsetti M, Fischler B, Piessevaux H, Tack J. Prevalence and impact of self-reported irritable bowel symptoms in the general population. United European Gastroenterol J. 2019 Mar;7(2):307-315. doi: 10.1177/20506406 — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Identification of FODMAP intollerance in IBS subjects | To evaluate the FODMAP intolerance, the response to a low FODMAP diet will be assessed by a visual analogue scale (VAS) before and after the dietary challenge. The VAS scale consists in is a straight horizontal line of fixed length, usually 100 mm. The ends are defined as the extreme limits of the parameter to be measured (symptoms, pain, subjective feeling of well-being/malaise) orientated from the left (worst) to the right (best) The patient is invited to indicate a position (a point) along the line. | 4 weeks | |
Primary | Identification of NCGS in IBS subjects who responded to low FODMAPs diet | To evaluate the NCGS, the response to the gluten challenge will be assessed by a visual analogue scale (VAS) before and after the dietary challenge. The VAS scale consists in is a straight horizontal line of fixed length, usually 100 mm. The ends are defined as the extreme limits of the parameter to be measured (symptoms, pain, subjective feeling of well-being/malaise) orientated from the left (worst) to the right (best) The patient is invited to indicate a position (a point) along the line. | 3 weeks |
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