Actively Recruiting
Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap
Led by Gelb, Arthur F., M.D. · Updated on 2023-10-27
60
Participants Needed
2
Research Sites
569 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The purpose of this cross-sectional, observational study is to evaluate the site and mechanism(s) for expiratory airflow limitation in chronic, treated, current or former smokers (\>15 pack years) with COPD, Emphysema, and Asthma-COPD Overlap with mild to severe expiratory airflow limitation. Treatment may include short and long acting inhaled beta2agonists, short and long acting inhaled muscarinic receptor antagonists, inhaled and or oral corticosteroid, oral antibiotic, supplemental oxygen, and PDE type 4 inhibitor. In some cases, the patient may have had a history of asthma preceding the development of COPD (Asthma COPD Overlap).
CONDITIONS
Official Title
Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Asthma-COPD overlap
- Emphysema in smokers with smoking history of more than 15 pack years
- COPD, bronchitis, and bronchiectasis in smokers with smoking history
- Smoking history of more than 15 pack years
You will not qualify if you...
- Non-smokers
- Any other pulmonary diagnosis besides COPD, emphysema, or asthma-COPD overlap
- Pulmonary fibrosis
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 2 locations
1
Arthur F Gelb MD
Lakewood, California, United States, 90712
Actively Recruiting
2
Arthur F Gelb MD
Lakewood, California, United States, 90712
Actively Recruiting
Research Team
A
Arthur F Gelb, MD
CONTACT
C
Christine Fraser
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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