Type 1 diabetes

A Randomized Trial Comparing Inhaled Insulin Plus Basal Insulin Versus Usual Care in Adults With Type 1 Diabetes

Diabetes CarePublished Randomised controlled trial

Primary result · HbA1cResult — go to the resultAdjusted difference 0.11 % 95% CI −0.10 to 0.33

Authors' conclusion

In adults with type 1 diabetes, HbA1c after 17 weeks with a regimen of TI and degludec was noninferior to UC, which consisted predominately of either AID or MDI. TI should be considered an option for people with type 1 diabetes, particularly those who are motivated to further reduce postprandial hyperglycemia.

Study context

Population
Adults with T1D, 19 sites; prestudy, automated insulin delivery (AID) used by 48% and MDI by 45%
Participants
62 vs 61
Comparison
Inhaled Technosphere insulin plus insulin degludec vs usual care
  • Technosphere insulin (TI)n = 62
  • Usual care (UC)n = 61reference
Methodological detailsnoninferiority, multicentre
  • Noninferiority
  • Multicentre

Primary result

HbA1c · 17 weeks

Adjusted difference

0.11 %

95% CI −0.10 to 0.33

P = 0.01 for non-inferiority

By group

TIvs UC
adjusted difference 0.11 % (95% CI −0.10 to 0.33); P for non-inferiority = 0.01

As reported in the abstract

Further findings

HbA1c at baseline

HbA1c improved by >0.5% (5.5 mmol/mol) · baseline to 17 weeks

HbA1c worsened by >0.5% (5.5 mmol/mol) · baseline to 17 weeks

Safety

Discontinued TI due to side effects
8 participants
Most common TI side effect was a brief cough

Original publication

A Randomized Trial Comparing Inhaled Insulin Plus Basal Insulin Versus Usual Care in Adults With Type 1 Diabetes. Diabetes Care. Published 6 December 2024. doi:10.2337/dc24-1832

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