An Automated Insulin Delivery System with Automatic Meal Bolus Based on a Hand-Gesturing Algorithm
Authors' conclusion
Preliminary findings show that a HFCL system was safe and maintained overall glycemic control, similar to that observed with traditional CC and manual meal bolusing.
Study context
- Population
- Adults with T1D, 18–75 years of age
- Participants
- 17 adults
- Comparison
- Hands-free closed-loop (HFCL) with gesture-based automatic meal bolus vs traditional carbohydrate counting with meal announcement
- Outcome
- Overall time in range (70-180 mg/dL)
Methodological detailssequential two-phase, home then supervised hotel setting, Same eight test meals (six solid, two liquid) at the same time and day of the week in both phases
- Sequential two-phase
- Home then supervised hotel setting
- Same eight test meals (six solid, two liquid) at the same time and day of the week in both phases
Main finding
As reported in the abstract
P = 0.08
Further findings
Average
| Outcome | Home-stay | Hotel-stay | P value |
|---|---|---|---|
| Average time at <70 mg/dL | 3.1% | 3.0% | P = 0.9144 |
| Average time at >180 mg/dL | 13.5% | 16.3% | P = 0.1046 |
Postprandial glycemia after test meals
- Postprandial glycemia following low-carb test meals was similar between the two phases
- The system's ability to accommodate high-carb meals was somewhat limited
Safety
- Episodes of severe hypoglycemia or DKA
- 0
Original publication
An Automated Insulin Delivery System with Automatic Meal Bolus Based on a Hand-Gesturing Algorithm. Diabetes Technol Ther. Published 12 March 2024. doi:10.
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