Clinical trials Below are current clinical trials.98 studies in Gastroenterology and Hepatology (open studies only). Filter this list of studies by location, status and more. Improving the Quality of Care for Adults with Inflammatory Bowel Disease Jacksonville, Fla. The purpose of this study is to demonstrate the impact of an Adult Inflammatory Bowel Disease (IBD) learning health system approach that enables patients and their care teams to coproduce optimal health and high value care. A Study to Detect Pancreatic Cancer Using Circulating Tumor Markers Rochester, Minn. The primary purpose of this study is to select and validate candidate methylated DNA markers (MDMs) (individually and in combined panels) for the detection of pancreative ductal adenocarcinoma (PDAC). The potential complementary value of mutant KRAS and CA19-9 will also be evaluated. Nitrous Oxide For Endoscopic Ablation of Refractory Barrett's Esophagus Rochester, Minn. The purpose of this multicenter, prospective, single arm, non-randomized clinical trial to evaluate the safety and efficacy of the C2 CryoBalloon Focal Ablation System (CbFAS) for the treatment of persistent dysplasia or intestinal metaplasia (IM) in the tubular esophagus after 3 or more radiofrequency ablations (RFA) for dysplastic BE, or <50% eradication of Barrett's Esophagus (BE) after 2 RFA treatments. A Study to Detect Actionable or Predictive Tumor DNA Mutations in Peripheral Blood (Liquid Biopsy) from Patients with Cholangiocarcinoma (CCA) Rochester, Minn., Scottsdale/Phoenix, Ariz., Jacksonville, Fla. The purpose of this study is to investigate the feasibility of isolating circulating tumor cells (CTCs) and cfDNA from patients with CCA for molecular characterization and compare the mutation results between peripheral blood and tumor tissue. Celiac Disease Registry Rochester, Minn. The purpose of this study is to develop a resource (bank) of biospecimens (blood, tissue, stool) and data collected from individuals with known or suspected gluten enteropathy, including celiac disease (CD) and dermatitis herpetiformis (DH). Other enteropathies will also be included: collagenous sprue, idiopathic sprue, lymphocytic enterocolitis, idiopathic enteropathies, collagenous gastritis, Whipple’s disease, and other miscellaneous inflammatory disorders of the small intestine. This resource will be invaluable in answering the important questions outlined above and other future unanswered questions. Prospective, Randomized, Double-Blind, Placebo-Controlled, Crossover Study in Symptomatic Celiac Disease Patients Rochester, Minn. This is a phase 2b, multicenter, prospective, randomized, double-blind, placebo-controlled, crossover study in symptomatic celiac disease patients attempting a gluten free diet (GFD) for at least one year prior to screening. A Study to Establish an Obesity-Related Phenotype Registry Rochester, Minn. The purpose of this study is to create a registry of obese patients who have been phenotyped to understand the heterogeneity of obesity. A Study to Evaluate the Response of Dietary Therapy in Eosinophilic Esophagitis (EoE) Rochester, Minn. The purpose of this study is to investigate the response rate of dietary therapy in patients with Eosinophilic Esophagitis (EoE) and determine rates of long-term compliance with the food elimination diets (SFED, FFED, step-up), and also to identify patient, clinical, and endoscopic factors that may be associated with increased rates of success in patients undergoing dietary therapy in EoE. A Study to Evaluate the Effects of Ondansetron on Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus and Dyspepsia Rochester, Minn. The purpose of this study is to understand why patients with indigestion, with or without diabetes, have gastrointestinal symptoms and, in particular, to understand where the symptoms are related to increased sensitivity to nutrients.Subsequently, look at the effects of Ondansetron on these patients' symptoms. A Study of TAK-062 in Treatment of Active Celiac Disease in Participants Attempting a Gluten-Free Diet Rochester, Minn., Scottsdale/Phoenix, Ariz. The purpose of this study is to see how TAK-062 works to reduce celiac-related symptoms and improve small intestinal damage due to gluten exposure, in participants with celiac disease (CeD) attempting to maintain a gluten-free diet (GFD) in treated participants versus placebo controls. 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