Lead Sponsor

University of Colorado, Denver

Collaborators

Age

40 - No limit years

Sex

ALL

Healthy Volunteers

No

•COPD Diagnosis per GOLD Guidelines
•Airflow obstruction on spirometry defined as an FEV1/FVC less than or equal to 70% and an FEV1 less than or equal to 50% predicted, or an FEV1 greater than 50% predicted with a history of a COPD exacerbation within the previous year.
•Standard telephone access
•US Citizen and Colorado resident

•Asthma
•Co-existing conditions that are likely to cause death within two years, CXR evidence of interstitial lung disease or other pulmonary diagnoses at the time of enrollment, end-stage liver disease, end-stage renal disease, end-stage muscle disease, HIV disease or dementia.