Diabetes technology

Inhaled Technosphere Insulin in Children with Diabetes: The INHALE-1 Extension Study

Diabetes Technol TherPublished Extension study of the INHALE-1 randomised controlled trial

Authors' conclusion

The INHALE-1 extension phase showed no safety concerns. Although HbA1c levels deteriorated slightly during the study, in view of the safety profile and increased patient satisfaction in the RCT portion of the trial, TI may be a useful treatment option for some pediatric patients with diabetes, particularly for those who choose not to or are unable to use an AID system.

Study context

Population
Children aged 4–17 yr with T1D (98%) or T2D (2%) on MDI, with continued long-acting basal insulin and continuous glucose monitoring (CGM)
Participants
80 vs 88
Comparison
Technosphere insulin (TI) continued vs rapid-acting analog (RAA) crossover to TI
  • TIn = 80
  • RAA Crossovern = 88reference
Methodological detailsopen-label extension through 52 weeks
  • Open-label extension through 52 weeks

Primary result

As reported in the abstract

HbA1c · 52 weeks
TI: mean change in HbA1c from 26 to 52 weeks
0.38% (95% CI 0.08%-0.67%, P = 0.003)
RAA Crossover: mean change in HbA1c from TI initiation to 52 weeks
0.31% (95% CI −0.02%-0.64%, P = 0.08)

Further findings

HbA1c at start of RCT (TI) / TI initiation (RAA Crossover) · baseline

OutcomeTIRAA Crossover
HbA1c at 26 weeksmean 8.2 (SD 1.2) %— not stated in the abstract

— not stated in the abstract

Safety

CGM time <54 mg/dL during TI use

Serious or unexpected pulmonary-related adverse events

No serious or unexpected pulmonary-related adverse events

Change in mean % predicted FEV1 from start of TI to 4 weeks after discontinuation

Change, both groups' TI exposure combined
−0.5 (95% CI −1.9-0.9, P = 0.52)

Original publication

Inhaled Technosphere Insulin in Children with Diabetes: The INHALE-1 Extension Study. Diabetes Technol Ther. Published 4 February 2026. doi:10.1177/15209156261420176

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