Seoul National University Airway Registry
Recruiting · NCT02527486 · Observational (researchers observe without assigning treatment) · Lead sponsor: Seoul National University Hospital
View the official record on ClinicalTrials.gov →What this trial is about
This is a multicenter, prospective observational cohort study, in which patients with chronic airway diseases including chronic obstructive pulmonary disease(COPD), asthma, asthma-COPD overlap syndrome (ACOS) will be recruited.
Who can take part
Age range
20 Years to 90 Years
Sex
All (male and female)
Healthy volunteers
No - a diagnosis or condition is required
Phase
Not specified
Study type
Observational (researchers observe without assigning treatment)
Inclusion criteria
- Postbronchodilator FEV1/FVC \< 0.7 AND chronic respiratory symptom
Exclusion criteria
- Asthma
- Inclusion Criteria:
- Never smoker or \<5PY of smoking history AND Recurrent episodes of asthma symptoms (wheezing, dyspnea, chest tightness, cough) AND (either Positive BDR OR positive metacholine/mannitol/exercise provocation test)
- Exclusion Criteria:
- ACOS
- Inclusion Criteria:
- COPD AND Asthma (regardless of smoking status)
- Exclusion Criteria:
Where it is running
3 locations listed.
- Seoul National University Hospital - Seoul, South Korea
- Seoul Metropolitan Government-Seoul National University Boramae Medical Center - Seoul, South Korea
- Seoul National University Bundang Hospital - Seongnam-si, Gyeonggi-do, South Korea