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Non-Celiac Wheat Sensitivity clinical trials

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NCT ID: NCT02823522 Completed - Clinical trials for Non-Celiac Wheat Sensitivity

Non-Celiac Wheat Sensitivity: Permanent or Transient Condition?

Start date: July 2016
Phase: N/A
Study type: Observational

Non-Celiac Gluten Sensitivity (NCGS) has been recently included among the gluten-related diseases. Patients suffering from NCGS are diagnosed after carefully excluding celiac disease (CD), and immunoglobulin E (IgE)-mediated wheat allergy. Then, in the absence of sensitive and specific diagnostic biomarkers for NCGS, a monitoring of the patient during elimination and re-introduction of wheat by a double-blind placebo controlled (DBPC) challenge method has been suggested as diagnostic hallmark. Some studies seem to suggest that wheat components other than gluten can cause the symptoms, and therefore the term "non-celiac wheat sensitivity" (NCWS) has been proposed instead of NCGS. While it is well known that CD is a long-life condition and a strict adherence to the gluten-free diet must be maintained, it is unknown whether this is valid for NCWS. On the year 2012, the researchers published a retrospective study, including 276 patients with irritable bowel syndrome (IBS)-like symptoms who had been diagnosed with NCWS using a DBPC challenge during a ten-years period (2001-2011). The present prospective study aimed to evaluate: A) how many of these patients are still following a wheat-free diet, and B) which percentage was still suffering from NCWS, diagnosed by DBPC wheat challenge, in a subgroup of that cohort.

NCT ID: NCT02421809 Completed - Clinical trials for Non-celiac Wheat Sensitivity

Oral Lesions In Non-Celiac Wheat Sensitivity Patients

Start date: May 1, 2015
Phase:
Study type: Observational

Non-celiac gluten sensitivity (NCGS) or 'wheat sensitivity' (NCWS) is included in the spectrum of gluten-related disorders. No data are available on the prevalence of oral lesions in NCWS. Our study aims to evaluate the prevalence of oral lesions in NCWS patients and search for correlations with other clinical characteristics. This prospective observation study will include 90 NCWS patients with irritable bowel syndrome (IBS)- like symptoms, 90 IBS and 90 celiac controls. Patients will be recruited at the Internal Medicine and at the Gastroenterology Units of the University of Palermo. Elimination diet and double-blind placebo controlled (DBPC) wheat challenge proved the NCWS diagnosis. All subjects underwent oral examination to assess the presence or not of oral soft and hard tissue lesions potentially associated to NCWS and CD.

NCT ID: NCT02421796 Completed - Clinical trials for Non-Celiac Wheat Sensitivity

Malnutrition In Non-Celiac Wheat Sensitivity Patients

Start date: May 1, 2015
Phase:
Study type: Observational

Non-celiac gluten sensitivity (NCGS) or 'wheat sensitivity' (NCWS) is included in the spectrum of gluten-related disorders. No data are available on the prevalence of low bone mass density (BMD) in NCWS. Our study aims to evaluate the prevalence of malnutrition in NCWS patients and search for correlations with other clinical characteristics. This prospective observation study will include 90 NCWS patients with irritable bowel syndrome (IBS)-like symptoms, 90 IBS and 90 celiac controls. Patients will be recruited at the Internal Medicine and at the Gastroenterology Units of the University of Palermo. Elimination diet and double-blind placebo controlled (DBPC) wheat challenge proved the NCWS diagnosis. All subjects underwent nutritional parameters measurement, duodenal histology, Human Leucocyte Antigen (HLA) DQ typing and body mass index (BMI) evaluation.

NCT ID: NCT02421783 Completed - Clinical trials for Non-celiac Wheat Sensitivity

Osteoporosis In Non-Celiac Wheat Sensitivity Patients

Start date: May 1, 2015
Phase:
Study type: Observational

Non-celiac gluten sensitivity (NCGS) or 'wheat sensitivity' (NCWS) is included in the spectrum of gluten-related disorders. No data are available on the prevalence of low bone mass density (BMD) in NCWS. Our study aims to evaluate the prevalence of low BMD in NCWS patients and search for correlations with other clinical characteristics. This prospective observation study will include 90 NCWS patients with irritable bowel syndrome (IBS)-like symptoms, 90 IBS and 90 celiac controls. Patients will be recruited at the Internal Medicine and at the Gastroenterology Units of the University of Palermo. Elimination diet and double-blind placebo controlled (DBPC) wheat challenge proved the NCWS diagnosis. All subjects underwent BMD assessment by Dual Energy X-Ray Absorptiometry (DXA), duodenal histology, Human Leukocyte Antigen (HLA) DQ typing, body mass index (BMI) evaluation and assessment for daily calcium intake.

NCT ID: NCT02248545 Completed - Clinical trials for Non-Celiac Wheat Sensitivity

Autoimmune Diseases And Serum Anti-Nuclear Antibodies Positivity In Non-Celiac Wheat Sensitivity Patients

Start date: July 2011
Phase: N/A
Study type: Observational

Celiac disease (CD) is an immune-based reaction to dietary gluten (storage protein for wheat, barley, and rye) that primarily affects the small intestine in genetically predisposed patients and resolves with exclusion of gluten from the diet. Patients with CD show circulating autoantibodies (anti-transglutaminase, anti-tTG) and suffer from the destruction of a specific tissue cell type (the enterocytes) by CD8+ T cells. Furthermore, other autoimmune diseases have been reported in association to CD in 20-30% of the cases. In the last few year, a new clinical entity emerged, which seems include patients who consider themselves to be suffering from problems caused by wheat and/or gluten ingestion, even though they do not have CD or wheat allergy. This clinical condition has been named "Non-Celiac Gluten Sensitivity" (6), but, in a recent paper, the investigators suggested the term "Non-Celiac Wheat Sensitivity" (NCWS), since, to date, it is not known what component of wheat really causes the symptoms. The doubt areas about the NCWS regard also its pathogenesis as, despite some papers evidenced an intestinal immunologic activation, others excluded it. To explore the presence of autoimmunity in NCWS, the investigators evaluated: a) the frequency of autoimmune diseases and b) the frequency of serum anti-nuclear antibodies (ANA) positivity in newly diagnosed NCWS, compared to CD patients.