Clinical Development and Research Applications of the Chronic Obstructive Pulmonary Disease Assessment Test.

The article reflects on Assessment test of the chronic obstructive pulmonary disease. Topics include The COPD Assessment Test was developed according to the Food and Drug Administration patient reported outcome development guidance with the aim to provide an accurate and readily usable tool that measures the burden of COPD and could serve as a clinical trial; and the underlying pathophysiological abnormalities or modification of lung architecture, and treatment of extrapulmonary manifestations.