Alfonso Galderisi, United States of America
Yale University PediatricsPresenter of 1 Presentation
AFREZZA PRE-MEAL BOLUS REDUCES EARLY GLYCEMIC EXCURSION DURING HYBRID CLOSED LOOP TREATMENT
- Alfonso Galderisi, United States of America
- Nathan Cohen, United States of America
- Peter Calhoun, United States of America
- Marc Breton, United States of America
- Kristen Kraemer, United States of America
- Melinda Zgorski, United States of America
- Lori Carria, United States of America
- Eda Cengiz, United States of America
Abstract
Background and Aims
Background. Optimizing post-prandial glycemic control during closed-loop (CL) treatment remains a challenge given the delays in insulin absorption and action. We aimed to investigate the effect of ultra-fast acting Afrezza inhaled insulin on improving post-prandial blood glucose control during hybrid closed loop (HCL) treatment in young adults with type 1 diabetes.
Methods
Methods: We conducted an inpatient, three-way, randomized crossover meal study to assess the efficacy and safety of Afrezza at a low(AL) and a high dose(AH) as compared to a rapid-acting insulin(RAI) pre-meal bolus during Diabetes-Assistant-HCL treatment. The 11 participants received two sequential meals on three study days with RAI, AH(rounded up available Afrezza dose) or AL(rounded down Afrezza dose). The primary efficacy outcome was the peak postprandial plasma glucose (PPG) level calculated by pooling data for four hours after the start of each meal.
Results
Results: The mean PPG for the RAI control arm and AHwere similar (185±50mg/dL vs. 195±46mg/dL, respectively; p=0.45), while it was higher for meals using AL(208±54mg/dL, p=0.04). The AHachieved significantly lower early PPG level than the RAI arm (30 min; p<0.001), and improvement in PPG waned at 120 and 180 min (p=0.02).
Conclusions
Conclusions: Afrezza (AH) pre-meal bolus reduced the early glycemic excursion and improved PPG during HCL compared to RAI pre-meal bolus. The improvement in PPG has not been sustained after the end of Afrezza glucodynamic action at 120m.