Type 1 diabetes

A Randomized Comparison of Postprandial Glucose Excursion Using Inhaled Insulin Versus Rapid-Acting Analog Insulin in Adults With Type 1 Diabetes Using Multiple Daily Injections of Insulin or Automated Insulin Delivery

Diabetes CarePublished Randomised controlled trial

Primary result · Area under the curve for glucose >180 mg/dLResult — go to the resultAdjusted difference −12 mg/dL 95% CI −22 to −2

Authors' conclusion

Postmeal glucose excursion was smaller with TI than with RAA insulin in a cohort that included both AID and MDI users.

Study context

Population
Adults with T1D using multiple daily injections (MDI), a nonautomated pump or automated insulin delivery (AID), undergoing a meal challenge
Participants
122 adults
Comparison
Inhaled technosphere insulin (TI) vs subcutaneous rapid-acting analog (RAA) insulin bolus
  • TIn = 61
  • RAAn = 61reference
Primary endpoint
Treatment group difference in area under the curve for glucose >180 mg/dL
Follow-up
Over 2 h

Primary result

Area under the curve for glucose >180 mg/dL · 2 h

Adjusted difference

−12 mg/dL

95% CI −22 to −2

P = 0.02

TIvs RAA
adjusted difference −12 mg/dL (95% CI −22 to −2); P = 0.02

As reported in the abstract

Further findings

Glucose excursion smaller with TI
P = 0.01
Peak glucose lower with TI
P = 0.01
Time to peak glucose shorter with TI
P = 0.006

Safety

Events

OutcomeTIRAA
Blood glucose <70 mg/dL11

Original publication

A Randomized Comparison of Postprandial Glucose Excursion Using Inhaled Insulin Versus Rapid-Acting Analog Insulin in Adults With Type 1 Diabetes Using Multiple Daily Injections of Insulin or Automated Insulin Delivery. Diabetes Care. Published 23 July 2024. doi:10.2337/dc24-0838

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