Fecal Microbiota Transplantation in Postoperative Crohn's Disease

This study is testing whether fecal microbiota transplantation (FMT) — transferring gut bacteria from a healthy donor to a patient — can help prevent Crohn's disease from coming back after surgery. FMT aims to restore a healthy balance of gut bacteria, which may reduce inflammation and prevent recurrence. **You may be eligible if...** - You are over 18 years old - You have Crohn's disease with complications (narrowing or fistulas) that require surgery to remove part of the bowel - You are able to provide written consent **You may NOT be eligible if...** - You are pregnant - You have an active infection, abscess, or fistula at the time of the first colonoscopy - Your life expectancy is less than 1 year - You are currently taking antibiotics or probiotic supplements Talk to your doctor to see if this trial is right for you.