Stratification for pre-study dose of inhaled corticosteroids
| Pre-study dose of inhaled steroid | Run in period | Treatment period |
|---|---|---|
| 400–600 μg | FP 100 μg twice daily | FP 100 μg twice daily (open) + FP 100 μg twice daily (blind) or SLM 50 μg twice daily (blind) |
| 800–1200 μg | FP 250 μg twice daily | FP 250 μg twice daily (open) + FP 250 μg twice daily (blind) or SLM 50 μg twice daily (blind) |
FP = fluticasone propionate; SLM = salmeterol.