Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap
Recruiting
Observational Study
COPD, Emphysema, Asthma COPD Overlap
Emphysema
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 30 and older
- Sex
- Any
- Study type
- Observational
- Participants needed
- 60 (estimated)
- Sponsor
- Gelb, Arthur F., M.D. · Individual
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About This Trial
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 muscarini…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* asthma- copd overlap
* emphysema in smokers with smoking history \> 15 pack years
* COPD/ bronchitis and bronchiectasis in smokers with smoking history
* \>15 pack years
Exclusion Criteria:other pulmonary or systemic diagnosis
* non smokers
* any other pulmonary diagnosis
* …
Contacts