Fecal Microbiota Transplantation as the First-line Treatment in Active Pediatric Crohn's Disease

This study tests whether fecal microbiota transplantation (FMT) — transplanting gut bacteria from a healthy donor — can be used as the first treatment for a new diagnosis of Crohn's disease, before starting standard medications. **You may be eligible if...** - You have a new diagnosis of Crohn's disease (inflammatory bowel disease) - You have not yet started standard medication for Crohn's - You are willing to undergo FMT procedure - You are 18 or older (or pediatric with parental consent depending on protocol) **You may NOT be eligible if...** - You have severe complications requiring immediate surgery - You are severely immunocompromised - You have had prior bowel surgery affecting the study area Talk to your doctor to see if this trial is right for you.