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204980: An open-label study to evaluate the correct use of placebo ELLIPTA™ dry powder inhaler (DPI) compared to placebo metered dose inhalers (MDI) in subjects with moderate persistent asthma |
fluticasone furoate/vilanterol |
204980 |
NCT02794480 |
Asthma |
Phase 4 |
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April 2019 |