Feasibility of Closed-loop Automated Insulin Delivery System by Primary Care & Endocrinology, in Person & Via Telehealth

Inclusion criteria

• ✓. Age 18-85 years, BMI ≥ 18.5, have had clinical type 1 diabetes for at least one year, and have taken insulin for at least 1 year
• ✓. Prescription diabetes medication regimen stable for \> 1 month, including any adjunctive anti-diabetic medications (except for medications that will not affect the safety of the study and are not expected to affect any outcome of the study, in the judgment of the site principal investigator)
• ✓. This does not include changes to any insulin doses, including basal rates/long-acting insulin doses, carbohydrate to insulin ratios and correction factors
• ✓. Willing to wear one Dexcom CGM transmitter and sensor (sensor must be changed every 10 days), and one infusion set that must be replaced at least every 3 days.
• ✓. Endocrinology practice criterion is that diabetes is managed using sensor-augmented insulin pump therapy or artificial pancreas therapy for ≥ 3 months)
• ✓. Primary care practice criteria are that diabetes is managed by multiple daily insulin injections (insulin-pump naïve).
• ✓. TH group criterion is that participant must have hardware and internet access capable of 2-way video and audio communication

Exclusion criteria