A Cross-sectional Study of COPD and Symptom Variability in MEA Countries (COPVAR)

Inclusion Criteria:

• Patients eligible for inclusion have to fulfill all of the following criteria:

  1. Stable GOLD C or D COPD patient under maintenance treatment, over 45 years, who provided signed informed consent;
  2. COPD diagnosis documented by spirometry performed in the past 12 months with an FEV1/FVC < 0.7 and an FEV1 < 50% predicted.

Exclusion Criteria:

Patients are not eligible for inclusion if they meet one of the following criteria:

1. Patient with an ongoing COPD exacerbation*;
2. Patient who has experienced an exacerbation* in the previous 3 months;
3. History of asthma, allergic rhinitis, lung cancer or any other significant respiratory disease, such as tuberculosis, lung fibrosis or sarcoidosis;
4. Inability to understand the study related questions;
5. Mentally disabled patient or unable to read and write;
6. Pregnant.
7. Current participation in a clinical trial;