Functional colonic disease

This study is testing a new surgical stapler, called the Signia circular stapler, in people having left-sided colon, sigmoid, or rectal surgery. The goal is to see if it lowers the chance of a leak where the colon is reconnected. About 137 adults will take part, and the main focu…

This study tests whether a daily dose of Skal Pro—a mix of a friendly bacteria (Lactobacillus plantarum 299v) and a prebiotic fiber—can reduce IBS symptoms like belly pain, bloating, and irregular bowel movements. Sixty adults with IBS will receive either the supplement or a dumm…

This early study tests a device called UCon, which is placed on the skin to send mild electrical pulses to nerves that control the bladder and bowel. The goal is to reduce symptoms like sudden urges, leaks, and frequent bathroom trips in women with overactive bladder or bowel dys…

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 collects tissue, blood, and stool samples from 200 children with inflammatory bowel disease (IBD) or other gut disorders. Researchers will use a cutting-edge technique called spatial transcriptomics to map gene activity directly inside gut tissue. The goal is to better…