Intestinal atresia

This study tests whether feeding babies with congenital gastrointestinal issues (like gastroschisis or Hirschsprung disease) only human milk helps them reach full feeds faster than standard care, which may include formula. Researchers will also look at gut bacteria and infection …

This study tests a device called the Eclipse XL1 that is placed inside the body to slowly stretch and lengthen the remaining small intestine in people with short bowel syndrome. The goal is to improve nutrition and reduce the need for intravenous feeding. The study will enroll 40…

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 aims to find new genes that cause pituitary tumors, including those that lead to acromegaly (gigantism) and prolactinomas. Researchers will collect blood and tissue samples from up to 10,000 people with these tumors and their family members. By analyzing DNA, they hope…

This study measures two natural amino acids, arginine and ADMA, in newborns who had abdominal surgery within their first 5 days of life. Researchers want to see if the balance of these substances can help predict how quickly a baby recovers and whether complications arise. No ext…