A Study to Compare the Relative Potency of Salbutamol Administered Via Metered Dose Inhalers (MDI) Containing Propellants HFA-152a to HFA-134a in Mild Asthmatics Aged 18 to 65 Inclusive
Conditions
Interventions
- DRUG: Salbutamol HFA-152a
- DRUG: Salbutamol HFA-134a
- DRUG: Placebo
Sponsor
GlaxoSmithKline