KCT0000425
Recruiting
未知
Genotyping to identify genes associated with chronic obstructive pulmonary disease susceptibility and clinical phenotypes
ConditionsDiseases of th respiratory system
Overview
- Phase
- 未知
- Intervention
- Not specified
- Conditions
- Diseases of th respiratory system
- Sponsor
- Asan Medical Center
- Enrollment
- 2200
- Status
- Recruiting
- Last Updated
- 7 years ago
Overview
Brief Summary
No summary available.
Investigators
Eligibility Criteria
Inclusion Criteria
- •COPD: post\-bronchodilator FEV1/FVC \< 70% and FEV1 \<80% predicted
- •\> 10 pack\-years smoking hisotry
- •Control: Pre\-bronchodilator FEV1/FVC \> 70% and FEV1 \> 80% predicted
- •and \> 10 pack\-years smoking history
Exclusion Criteria
- •1\. patients physician\-dianosed asthma
- •2\. patients with bronchiectgasis, tuberculosis destroyed lung on chest X
- •3\. segmental atelectasis or obstructive pneumonitis on chest CT
- •4\. combined interstital lung disease on chest CT
Outcomes
Primary Outcomes
Not specified
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