Type 1 diabetes

Subcutaneous weekly semaglutide with automated insulin delivery in type 1 diabetes: a double-blind, randomized, crossover trial

Nat MedPublished Randomised controlled trial

Primary result · Time in range 3.9-10.0 mmol l-1Result — go to the resultMean increase 4.8 percentage points

Authors' conclusion

We conclude that semaglutide improves glycemic control with automated insulin delivery compared to placebo.

Study context

Population
Adults with T1D using AID24 completed
Participants
28 adults
Comparison
Semaglutide vs placebo as adjunct to AID
Primary endpoint
Percentage of time in target glucose range 3.9-10.0 mmol l-1
Follow-up
Last 4 weeks of each intervention
Methodological detailsdouble-blind, crossover
  • Double-blind
  • Crossover

Primary result

Time in range 3.9-10.0 mmol l-1

Mean increase

4.8 percentage points

P = 0.006

As reported in the abstract

Further findings

OutcomeP value
Time below 3.9 mmol l-1P = 0.19
Time below 3.0 mmol l-1P = 0.65

Time below 3.9 mmol l-1

Not increased with semaglutide vs placebo

Time below 3.0 mmol l-1

Not increased with semaglutide vs placebo

Safety

Episodes of recurrent euglycemic ketosis without acidosis during semaglutide use
2
Time below 3.9 mmol l-1 not increased with semaglutide vs placebo
P = 0.19
Time below 3.0 mmol l-1 not increased with semaglutide vs placebo
P = 0.65
No DKA or severe hypoglycaemia occurred during any of the interventions

Original publication

Subcutaneous weekly semaglutide with automated insulin delivery in type 1 diabetes: a double-blind, randomized, crossover trial. Nat Med. Published 10 January 2025. doi:10.1038/s41591-024-03463-z

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