Long Term Surveillance of Islet Transplant Recipients Following Complete Graft Loss

This study is monitoring the long-term health of people who received an islet cell transplant (a procedure that places insulin-producing cells into people with type 1 diabetes) using a specific immune-suppressing drug protocol, to see how well they do over time. **You may be eligible if...** - You have type 1 diabetes and previously received an islet transplant at a participating institution - You received your transplant under a specific research protocol being tracked by this study - You are willing to be followed with regular check-ups and lab tests over many years **You may NOT be eligible if...** - Your islet transplant is no longer functional - You did not receive your transplant under the specific research protocol this study is following - You are unable or unwilling to comply with ongoing long-term monitoring requirements Talk to your doctor to see if this trial is right for you.