Fecal Microbiota Transplantation for the Prevention of Infectious Complications After Liver Transplantation

This study is testing whether fecal microbiota transplantation (FMT) — transferring beneficial gut bacteria from a healthy donor — can prevent serious infections in patients who are awaiting or have received a liver transplant. Liver transplant patients are highly vulnerable to dangerous bacterial infections. **You may be eligible if...** - You are 18 or older - You are on the waiting list for a liver transplant (for any reason) - You are willing to participate and provide consent **You may NOT be eligible if...** - You have had your entire colon removed - You are pregnant or breastfeeding - You are currently on oral or intravenous antibiotics - You have poorly controlled HIV or a very low immune cell count (CD4 < 200) - You have an active COVID-19 infection, severe low white blood cell count, toxic megacolon, or contraindications to colonoscopy Talk to your doctor to see if this trial is right for you.