Seoul National University Airway Registry

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

800 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-09-30

Study Completion Date

2031-12-31

Brief Summary

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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.

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Detailed Description

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Conditions

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Chronic Obstructive Pulmonary Disease (COPD) Asthma Asthma With Chronic Obstructive Pulmonary Disease Bronchiectasis Inactive Tuberculosis of Lung Chronic Obstructive Airway Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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No predefined subgroups

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Postbronchodilator FEV1/FVC \< 0.7 AND chronic respiratory symptom

* 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)

* COPD AND Asthma (regardless of smoking status)