None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients who meet the 2018 revised international diagnostic criteria for idiopathic pulmonary fibrosis (IPF), as defined by the American Thoracic Society (ATS), European Respiratory Society (ERS), Japanese Respiratory Society, and Latin American Thoracic Society. 2.Residents of Seoul or the metropolitan area. 3.Pulmonary function test (PFT) results showing: - Forced vital capacity (FVC) between 40% and 80% of the predicted value - Diffusing capacity for carbon monoxide (DLCO) between 30% and 80% of the predicted value
Exclusion criteria
Exclusion criteria: Interstitial lung disease with known causes (e.g., environmental exposures, connective tissue diseases, drug-induced) Age under 50 years Current smokers
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in proportion of high indoor PM2.5 exposure (=10 µg/m³) | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in forced vital capacity;Changes in diffusing capacity for carbon monixide;Changes in quality of life;Changes in perception of air pollution | — |
Countries
Korea, Republic of
Contacts
Soon Chun Hyang University Hospital Seoul