Efficacy and Tolerability of Symbicort as an add-on Treatment to Spiriva Compare With Spiriva Alone in Patients With Severe Chronic Obstructive Pulmonary Disease (COPD) (SECURE 1)

Inclusion Criteria:

• Signed and dated informed consent
• Men or women patients ≥40 years of age
• Diagnosis of COPD with symptoms for more than 2 years and there is a history of at least one COPD exacerbation requiring a course of oral steroids and/or antibiotics within 1-12 months before Visit 2
• Forced Expiratory Volume in 1 second (FEV1) ≤50% of predicted normal value, pre-bronchodilator and Forced Expiratory Volume in 1 second (FEV1) / Forced Vital Capacity (FVC) < 70%, pre-bronchodilator
• Total symptom score of 2 or more per day for at least half of run-in period (breathing, cough and sputum scores from the diary card) and complete morning recordings of Digital Peak Flow Meter data at least 7 out of the last 10 days of the run-in period

Exclusion Criteria:

• A history of asthma and seasonal allergic rhinitis before 40 years of age
• Patients who have experienced exacerbation of COPD requiring hospitalisation and /or emergency room treatment and/or a course of oral steroids and/or intravenous corticosteroids and/or antibiotics within 4 weeks prior to Visit 2 and/or during run-in period and also the patients who use of systemic glucocorticosteroids (GCS) within 4 weeks and/or inhaled GCS within 2 weeks prior to Visit 2 and/or during run-in period
• Patients with relevant cardiovascular disorder judged by the investigator
• Patients with glaucoma, prostatic hyperplasia or bladder-neck obstruction judged by the investigator
• Women who are pregnant, breast-feeding or of child-bearing potential judged by the investigator