Search genes as risk factors related with development and phenotype of COPD.
Not Applicable
- Conditions
- Diseases of th respiratory system
- Registration Number
- KCT0000371
- Lead Sponsor
- Asan Medical Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 2000
Inclusion Criteria
*Patients with COPD
1. Out-patient Men or Women >40 years of age
2. Current or previous smoker with a history of smoking equivalent to 20 or more pack years.
3. FEV1/FVC<0.7, Post-bronchodilator
*Control group
1. Health Examination Center Men or Women >40 years of age
2. Current or previous smoker with a history of smoking equivalent to 20 or more pack years.
3.Normal Pulmonary Function Test
Exclusion Criteria
1.Physician-diagnosed asthma
2. Tuberculous destroyed lung
3. Bronchiectasia
4. Pneumonectomy
5. Other diseases like cancers, heart failure.
Study & Design
- Study Type
- Observational Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Odds ratio of genic pleomorphic frequency
- Secondary Outcome Measures
Name Time Method Genic Plemorphic frequency