Asthma Intervention with Residential Ventilation and Air Cleaner (AIRVAC) Study: A 4-arm parallel-group randomized controlled trial protocol.
PLoS OneSep 25, 2026 (epub)
Insung Kang, Semi Park, Yidan Zhang et al.
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In 30 seconds
The AIRVAC study is a 4-arm parallel-group randomized controlled trial evaluating the long-term effectiveness of energy recovery ventilators and portable air cleaners in improving asthma outcomes among children and adults with asthma in the Dallas-Fort Worth area. The study aims to assess changes in asthma control and indoor air quality over a 1-year post-intervention period.
Key findings
- The trial will include children aged 5-17 years and adults with physician-diagnosed asthma.
- Households will be randomized to receive active or sham interventions for ventilation and air cleaning.
- Primary outcomes include asthma control, with secondary outcomes assessing pulmonary function and quality of life.
Why it matters
Improving indoor air quality through ventilation and air cleaning may significantly impact asthma management, potentially leading to better health outcomes for affected individuals. Understanding these interventions' effectiveness can guide clinical practices in asthma care.