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Gluten-free Diet in PSC and IBD
Primary sclerosing cholangitis (PSC) is a progressive disease of the biliary tree, which represents one of the most frequent indications for orthotopic liver transplantation (OLTx) in developed countries. There are several lines of evidence that dietary gluten/gliadin displays chronic pro-inflammatory, LPS-like properties. Recent evidence demonstrated the protective effect of gluten- free diet (GFD) in autoimmune diseases like type 1 diabetes, irritable bowel syndrome, non-celiac gluten sensitivity and some neurological disorders. This study is intended to explore therapeutic effect of GFD on PSC and IBD in prospective ...
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Glutenfree, Gut Microbiota and Metabolic Regulation
High intake of dietary fiber provides health benefits and reduces the risk of developing cardio-metabolic diseases, such as type 2 diabetes (T2D) and cardiovascular disease (CVD). The intake of fiber is below the recommendations worldwide. In Norway, bread and cereals represent a major source of fiber. A low fiber intake is evident for people with celiac disease due to the removal of wheat, rye and barley from the diet. We therefore need to increase our knowledge in relation to fiber-rich food that will be tolerated also by people with celiac disease. The aim of the study is to investigate the effect of fiber rich gluten free...
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Gluten Reduction and Risk of Celiac Disease
Celiac disease shares many features of other autoimmune diseases such as type 1 diabetes. Recently, it was published that higher amounts of gluten intake increased the risk for celiac disease. Optimal amounts of gluten to be introduced during weaning have not yet been established. The aim is to investigate if a gluten-restricted diet (e.g. below 3 gram per day) will reduce the risk of develop CDA and IA in genetically predisposed children by the age of 5 years. Children who screened positive for HLA DQ2/X (X is neither DQ2 nor DQ8) in the GPPAD-02 (ASTR1D [ClinicalTrials.gov Identifier NCT03316261]) screening will be contacted by a...
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Immune Responses to Gluten
This is a study of immune responses after eating gluten powder in people with celiac disease and healthy controls.
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Impact of a Gluten-free Diet on Quality of Life in Patients With Axial Spondyloarthritis.
Subclinical intestinal inflammation and gut dysbiosis have been reported in patients with spondyloarthritis (SpA). In common practice, rheumatologists are increasingly confronted with patients with inflammatory rheumatism who are on gluten-free diets (GFDs), despite the lack of reliable data from controlled studies. This study aims to determine the impact of a GFD on the quality of life of patients with axial SpA.
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Impact of a Low-FODMAP Gluten-free Diet on Gut Microbiota and Circulating miRNAs in Celiac Disease Patients
15 patients with refractory celiac disease (RCD) and 15 patients with CD responsive to the GFD between the ages of 21 and 60 will be enrolled. The aim of the research will be: 1) to characterize the intestinal, blood and duodenal microbiota, then to evaluate both the taxonomy of the identified bacteria and their relative abundance 2) to analyse the profile of miRNAs from biopsy and fibroblasts isolated in the first duodenal portion, highlighting any basal deregulation and, for fibroblasts, after treatment with the 33-mer immunogenic peptide 3) quantify and know the composition of the fecal microbiota in celiac patients with ...
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Mass Screening for the Early Detection of Patients With Celiac Disease.
The use of a home rapid test for the detection of both gluten immunogenic peptides (GIP) in urine and immunoglobulin A (IgA) anti tissue transglutaminase (anti-tTG) antibodies in blood may contribute to the early detection of volunteers who suffer celiac disease (CD), a highly under-diagnosed disorder. Patients with positive results could inform their doctors in order to accelerate the diagnosis, contribute to symptoms control and improve their quality of life. This observational, cross-sectional study with no interventions applied in subjects consists on a single group of volunteers between 2 and 18 years old. They will be given...
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No-biopsy Approach in Celiac Disease: Cut-off Points for IgA Anti-tissue Transglutaminase Assays
The main objective of this multicenter and observational study is to define the optimal threshold of different commercially available IgA anti-transglutaminase (tTG-IgA) antibody assays for celiac disease diagnosis (CD) avoiding the need for an intestinal biopsy. The main questions to be answered are: - Is the anti-tTG-IgA titer cut-off above 10 times the upper limit of normal (ULN) useful in all anti-tTG IgA assays? - Is the diagnostic performance of the newly defined cut-offs of anti-tTG-IgA the same in all the evaluated assays? - Is the dynamic of the anti-tTG-IgA levels after the introduction of...
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Omega-3 Fatty Acid Supplementation and Tear Film Quality in Celiac Patients
The study aims to determine the effectiveness on the tear film quality and symptoms related with dry eye disease in patients with celiac disease.
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Pathogenic Study of Adult Immune Enteropathies
The study focuses the mechanisms underlying the loss of intestinal homeostasis in celiac disease, refractory celiac disease and other immune diseases such as monogenic enteropathy, inflammatory bowel diseases or drug induced intestinal diseases. Mechanisms of transformation of lymphocytes leading to onset of lymphomatous complications of immune enteropathies will be investigated. Mechanisms of loss of hepatic lymphocytic homeostasis will also be assessed in liver associated diseases.
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