Recruiting
Seoul National University Airway Registry
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.
ClinicalTrials.gov IDNCT02527486
PhaseNot Applicable
Enrollment800
SponsorSeoul National University Hospital
Age20 Years
SexALL
Conditions studied
Chronic Obstructive Pulmonary Disease (COPD), Asthma, Asthma With Chronic Obstructive Pulmonary Disease, Bronchiectasis, Inactive Tuberculosis of Lung, Chronic Obstructive Airway Disease
About this study
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.
Primary outcomes
- Death (time to death) (upto 20 years)
Eligibility information
COPD
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:
\-
Study locations
- Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do 463-707 South Korea
- Seoul National University Hospital, Seoul, 110-744 South Korea
- Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, 156-707 South Korea
Before you participate: Varda Clinical is an independent discovery tool, not the study sponsor or a medical provider. Eligibility can only be determined by the official study team. Discuss potential risks and benefits with a qualified healthcare professional.
Source: ClinicalTrials.gov. Record last refreshed by Varda Clinical: 2026-09-29.