Eosinophilic gastroenteritis

This early-stage study tests a new imaging agent called 18F-4FN for PET scans to safely detect inflammation in the body. It involves 55 adults with cancer who are on immunotherapy or have suspected inflammation. The goal is to see if this agent can highlight areas of inflammation…

This study aims to collect medical data and biological samples (blood, urine, stool, and tissue) from up to 4,000 adults with known or suspected gastrointestinal diseases. Participants receive standard medical care at the NIH, and any extra samples or leftover tissue from procedu…

This study looks at whether eosinophilic gastritis, a rare stomach condition, causes problems with how the stomach moves food. Researchers will use a special scan after an oatmeal meal to check stomach emptying in 30 people. The goal is to better understand if these motility issu…

This pilot study is measuring prednisolone levels in 120 people with inflammatory diseases like thyroid eye disease, vasculitis, COPD, asthma, and others. Participants take high-dose prednisolone as part of their routine care, and researchers take timed blood samples to see how t…

This study is creating a registry of 500 patients with eosinophilic gastrointestinal disorders (EGIDs), including eosinophilic esophagitis, gastroenteritis, and colitis. Researchers will collect questionnaires, endoscopy images, biopsy samples, and physical exam findings to learn…

This study looks at 320 adults who are about to start strong immune-suppressing therapy and have already had at least two COVID-19 shots. Researchers want to find out if giving a COVID-19 booster right before starting therapy or waiting six months provides better protection. Part…

This study is looking at people with eosinophilic gastrointestinal disorders, which cause inflammation in the gut. Researchers want to see if simple questionnaires can tell how well a patient is doing, compared to looking at tissue samples from endoscopies. The goal is to find be…