Conditions: Pulmonary Disease, Chronic Obstructive
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 1328
Healthy volunteers: no

Brief summary:
To evaluate the early (3-month) impact of the long-acting anticholinergic Spiriva HH maintenance treatment on the COPD symptoms using the novel COPD Assessment test (CAT) in the real life setting of COPD patients, previously treated with short-acting bronchodilator on regular or as-needed basis.

Detailed description:

Arms:

Interventions: intervention 1: Spiriva HandiHaler
Intervention descriptions: intervention 1: None

Protocol document: