HZA106829: A Randomised, Double-blind, Parallel Group, Multicentre Study of Fluticasone Furoate/GW642444 Inhalation Powder, Fluticasone Furoate Inhalation Powder Alone, and Fluticasone Propionate 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 administered once daily each evening with fluticasone furoate inhalation powder administered alone once daily each evening in adolescent and adult subjects 12 years of age and older with persistent bronchial asthma over a 24-week period.

本研究旨在针对12岁及以上的青少年与成人持续性支气管哮喘患者，对比每晚每日一次给药的糠酸氟替卡松/维兰特罗（fluticasone furoate/vilanterol，GW642444）吸入粉剂，与单用糠酸氟替卡松吸入粉剂（采用相同的每日晚间一次给药方案）在24周研究周期内的疗效与安全性。