clinical trial · NCT07645248
A Study to Compare Safety of 4 Weeks Exposure to Propellants Hydrofluoroalkane 1,1-difluoroethane (HFA-152a) and HFA-1,1,1,2-tetrafluoroethane (134a)
AsthmaHFA-152aHFA-134a
brief summary
This study aims to generate additional safety data on the propellant component of the reformulated product by comparing metered dose inhaler (MDIs) containing HFA-152a (test) with HFA-134a (reference).
started
Sep 15, 2026
primary completion
Feb 25, 2027
completion
Feb 25, 2027
last updated
Jun 12, 2026
official title
A Randomized, Double-blind, 2-way Crossover, Multicenter Study to Evaluate the Safety of Test Propellant HFA-152a and Reference Propellant HFA-134a When Administered Via Metered Dose Inhalers
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