Study That Will Evaluate the Brazilian Population With COPD.

This study is building a database of patients with COPD (chronic obstructive pulmonary disease) in Brazil to better understand how the disease presents, progresses, and is managed in the Brazilian population. The information collected may help doctors develop better, locally tailored treatment guidelines. **You may be eligible if...** - You are 18 years of age or older, male or female - You have been diagnosed with COPD based on breathing tests (spirometry) showing airflow obstruction - You have significant symptoms (CAT score of 10 or higher) or significant airflow limitation (FEV1 below 50%) - You have had at least one severe flare-up (requiring hospitalization) or at least two moderate flare-ups per year **You may NOT be eligible if...** - You have severe scarring of the lungs (advanced fibrosing interstitial lung disease) - You have high-risk pulmonary hypertension requiring triple therapy - You are currently receiving active treatment for cancer Talk to your doctor to see if this trial is right for you.