Six-Month Randomized, Multicenter Trial of Closed-Loop Control in Type 1 Diabetes

Source: The New England Journal of Medicine 

Key Takeaway: This 6 month randomized trial showed use of a closed-loop system using the t:slim X2 insulin pump with Control-IQ Technology, (Tandem Diabetes Care) and a continuous glucose monitor (Dexcom G6, Dexcom) was safe and effective compared to sensor-augmented pump therapy (SAP). Participants in the closed-loop group achieved 70% time in range overall which meets the International Consensus Guidelines for people with diabetes. The closed-loop group also achieved significant improvements in hyperglycemia, HbA1c, mean glucose, and hypoglycemia (< 70 mg/dL < 54 mg/dL) as compared with the SAP group. Glycemic benefits were seen in the first month of the trial and were sustained over the entire 6-month period. Over 90% of participants said they trusted the device and found Control-IQ technology easy to use.

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