Twiist Postmarket Surveillance Study for Type 1 Diabetes

This study is monitoring the long-term safety and performance of the Twiist automated insulin delivery (AID) system for people with type 1 diabetes. The Twiist system automatically adjusts insulin delivery based on continuous glucose readings, and this study tracks how well it works in real-world use over 12 months. **You may be eligible if:** - You have been diagnosed with type 1 diabetes - You are 6 years old or older - You are currently using the Twiist AID system and started it within the past 90 days - You live in the United States - You are willing to share your device data and complete monthly surveys for 12 months - You are not pregnant and have no plans to become pregnant in the next 12 months - You speak and read English **You may NOT be eligible if:** - You have a type of diabetes other than type 1 - You are receiving dialysis for kidney failure Talk to your doctor to see if this trial is right for you.