The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
Know the risks and potential benefits of clinical studies and talk to your health care provider before participating.
Read our disclaimer for details.
This is the registry of control participants for patients with various respiratory diseases. We screened healthy volunteers who visited Seoul National Hospital Healthcare System Gangnam Center for routine health check-up, and enrolled patients who agree to participate in the study. The participants undergo baseline questionnaires, provide blood specimen and information of the results of health check-up. We will include participants as controls if they have no significant respiratory symptom and no significant radiographic abnormality. The data from this registry will be compared with those from other registry of various respiratory diseases
Condition or disease
Chronic Obstructive Pulmonary DiseaseAsthmaIdiopathic Pulmonary FibrosisNontuberculous Mycobacterium InfectionBronchiectasisLung Cancer
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Layout table for eligibility information
Ages Eligible for Study:
19 Years to 90 Years (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Those who visited the hospital for health check-up, and agree to participate in this study.
19-90 years old male and female
underwent health check-up including chest radiography
obtained informed consent
those who showed a significant abnormal finding of chest radiography
those who reported a significant respiratory symptoms