Glycemic Responses to Graded Exercise Testing in Adolescents Using Automated Insulin Delivery Systems
Authors' conclusion
This study highlights the glycemic safety of performing GXT for adolescents utilizing AID systems.
Study context
- Population
- Adolescents with T1D using automated insulin delivery (AID) systems
- Participants
- 24 adolescents
- Outcome
- Plasma glucose during GXT
- Follow-up
- During GXT
Methodological detailsGXT on a bicycle ergometer until volitional exhaustion; plasma glucose and lactate measured during GXT, sensor glucose monitored in the hours thereafter
- GXT on a bicycle ergometer until volitional exhaustion; plasma glucose and lactate measured during GXT, sensor glucose monitored in the hours thereafter
Main finding
As reported in the abstract
Plasma glucose stable throughout GXT, overall change
−0.26 mmol/L
−5 mg/dLP = 0.593
Further findings
Sensor glucose after GXT · remaining day and night
- Sensor glucose remained stable and within recommended glucose target ranges after GXT
Safety
- Hypoglycemic events during GXT
- 0
- Only a few episodes of mild hypoglycemia after GXT
Original publication
Glycemic Responses to Graded Exercise Testing in Adolescents Using Automated Insulin Delivery Systems. Diabetes Technol Ther. Published 5 November 2025. doi:10.
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