Woman and Man
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Extract
To demonstrate the superiority of QVA149 27.5/12.5 μg twice a day as compared to fluticasone/salmeterol 250/50 μg twice a day in COPD patients with moderate to severe airflow limitation in terms of standardized FEV1 AUC0-12h at Week 12.
Inclusion criteria
- COPD patients with moderate to severe airflow limitation