Efficacy and Safety of 400 μg Twice Daily of Aclidinium Bromide vs. Placebo When Administered to Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD)

Inclusion Criteria

• •A diagnosis of stable moderate to severe COPD as defined by GOLD (the Global Initiative for Chronic Obstructive Lung Disease) guidelines(http://www.goldcopd.org); a postbronchodilator FEV1/forced vital capacity \[FVC\] ratio \< 70% and FEV1 ≥ 30% to \<80% of the predicted value.
• •Current or former cigarette smokers with a smoking history of at least 10 pack-years.