Ease-of-use preference for the ELLIPTA® dry powder inhaler over a commonly used single-dose capsule dry powder inhaler by inhalation device-naïve Japanese volunteers aged 40 years or older
Yuko Komase,1 Akimoto Asako,2 Akihiro Kobayashi,3 Raj Sharma4 1Department of Respiratory Internal Medicine, St Marianna University School of Medicine, Yokohama City Seibu Hospital, Yokohama, Kanagawa, Japan; 2MA Respiratory Department, Development and Medical Affairs Unit, GlaxoSmithKline KK, Tokyo, Japan; 3Biomedical Data Sciences Department, Glax