Preference Attributes of ELLIPTA Dry Powder Inhaler (DPI) and HANDIHALER DPI in Subjects With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Placebo ELLIPTA device
- DRUG: Placebo capsules for use in HANDIHALER device
- OTHER: Inhaler Preference Questionnaire Version 1
- OTHER: Inhaler Preference Questionnaire Version 2
Sponsor
GlaxoSmithKline