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Effect of Indoor Air Quality Improvement on Health in Patients With Interstitial Lung Disease
Sponsor: Peking Union Medical College
Summary
Air pollution threatens the respiratory health of patients with interstitial lung disease (ILD). High-efficiency air purifiers, featuring easy operation and excellent particulate matter removal efficiency, have been shown in previous studies to potentially delay lung function deterioration and reduce acute exacerbation risk in respiratory disease patients. This randomized crossover study employs air purifiers to filter indoor gaseous pollutants, allergens, and other contaminants, aiming to alleviate respiratory irritation, improve daily life comfort, and enhance overall health status in ILD patients.
Official title: A Randomized Crossover Trial of Indoor Air Quality Improvement on Health in Patients With Interstitial Lung Disease
Key Details
Gender
All
Age Range
19 Years - Any
Study Type
INTERVENTIONAL
Enrollment
100
Start Date
2026-03
Completion Date
2027-06
Last Updated
2026-01-15
Healthy Volunteers
No
Conditions
Interventions
Air Purifier (with Filter) Arm
Place an air purifier with high-efficiency filters in the home, and turn it on for at least 18 hours every day.
Purifier (without Filter) Arm
Place an air purifier without a filter in the home.