Dataset from HZA106827: A Randomised, Double-blind, Placebo-controlled (With Rescue Medication), Parallel Group Multicentre Study of Fluticasone Furoate/GW642444 Inhalation Powder and Fluticasone Furoate Inhalation Powder Alone in the Treatment of Persistent Asthma in Adults and Adolescents

The purpose of the study is to compare the efficacy and safety of fluticasone furoate/vilanterol (GW642444) inhalation powder and fluticasone furoate inhalation powder both administered once daily in adolescent and adult subjects 12 years of age and older with persistent bronchial asthma over a 12 week treatment period.