Table 1 Patient inclusion and exclusion criteria
Inclusion criteria | Exclusion criteria |
|---|---|
Male or female Age 40–80 years Smoking history ≥10 pack-years Diagnosis of COPD (GOLD stage II): post-bronchodilator FEV1/FVC ratio <0.7); FEV1 ≥50 and <80% of predicted normal; MRC dyspnoea score ≥2 Ability to: demonstrate compliance with HandiHaler, a salbutamol MDI, and the activity monitor; perform acceptable PFTs; an exercise stress test; follow study procedures | Prior maintenance medication (LABAs, inhaled or systemic corticosteroids, theophylline, leukotriene receptor antagonists) within six months prior to screening Current chronic treatment with systemic steroids Diagnosis of asthma History of cystic fibrosis Upper and/or lower respiratory tract infection or COPD exacerbation in six weeks prior to, or during, screening |