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Gastrointestinal Diseases and Disorders Clinical Trials

A listing of Gastrointestinal Diseases and Disorders medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

RESULTS

Found (24) clinical trials

Cytosponge Adequacy Study Evaluation II

This is a cross-sectional study of subjects with Barrett's esophagus (BE) to assess the utility of the Cytosponge device as a non-endoscopic method for collecting surface cells from the esophagus. This study will enroll 2 groups of subjects: 1) Subjects presenting for routine endoscopic BE surveillance examinations (n=120), and 2) ...

Phase N/A

An Observational Prospective Long-term Exposure Registry of Adult Patients With Moderate-to-Severe Ulcerative Colitis

This is an observational prospective long-term exposure registry of adult participants with moderate-to-severe ulcerative colitis. Two cohorts, a Simponi-exposed cohort and a comparator cohort treated with thiopurines, will be enrolled in study. Approximately 6,000 participants are planned for enrollment, with 3,000 participants in the Simponi-exposed cohort and 3,000 participants in ...

Phase N/A

Gastrointestinal Biomarkers in Tissue and Biological Fluid Samples From Patients and Healthy Participants Undergoing Colonoscopy Endoscopy or Surgery

OBJECTIVES: - Identify new potential biomarkers of increased gastrointestinal cancer risk using tissue and biofluid samples from patients and healthy volunteers undergoing colonoscopy, endoscopy, or surgery. - Develop new screening strategies based on substances found in tissue and biofluid samples. OUTLINE: This is a multicenter study. Patients and healthy volunteers ...

Phase N/A

Regorafenib Post-marketing Surveillance in Japan

This study is a regulatory post-marketing surveillance in Japan, and it is a local prospective and observational study of patients who have received Regorafenib for gastrointestinal stromal tumors progressed after cancer chemotherapy. A total of 135 patients are to be enrolled and assessed in 6 months standard observational period. At ...

Phase N/A

MAgnetic Resonance Imaging in COeliac Disease

Hypotheses of the study Based on the investigators' pilot data and on the literature available, this study aims to test the main hypotheses that in adults newly diagnosed with coeliac disease treatment with GFD will: 1. reduce the water content of the fasting small bowel 2. reduce the volume of ...

Phase N/A

Early Detection of Esophageal Cancer

Esophageal cancer is a common malignancy with a very poor prognosis. The principal reason for its poor prognosis is that most tumors are asymptomatic and go undetected until they have spread beyond the esophageal wall and are unresectable. Significant reduction in esophageal cancer mortality will require successful strategies to diagnose ...

Phase N/A

Echocardiographic Assessment of Intrapulmonary Vasodilatation: Agitated Saline Versus Polygeline

Intrapulmonary vasodilatation is a frequent finding in patients with cirrhosis. Its diagnosis is established via contrast enhanced echocardiography. One used method is the contrast agent agitated saline and another frequently used method is the contrast agent polygeline. The purpose of this study is to compare these two echocardiographic contrast agents ...

Phase