PT027 and the albuterol comparator were delivered in a pressurised metered-dose inhaler using AstraZeneca’s Aerosphere delivery technology. Results showed that PT027 at the 180mcg albuterol ...

Purpose: The effects of extreme temperatures on drug delivery of two albuterol sulfate hydrofluoroalkane, metered-dose inhalers (MDIs) were evaluated.Methods. Three Proventil HFA and three ...