Quality of Life in Chronic Obstructive Pulmonary Disease (COPD) Patients After Switching to Tiotropium Plus Olodaterol Fixed Dose Combination in Greece

The primary objective of this non-interventional study (NIS) is to evaluate changes within 3 months in quality of life according to health status evaluated with the COPD Assessment Test (CAT) in COPD patients who have recently switched (within one week) from tiotropium monotherapy (Spiriva® Handihaler®) to dual therapy with tiotropium bromide plus olodaterol (Spiolto® Respimat®), in the Greek private and public sector pulmonary offices and clinics.