Using HEPA air purifiers to improve indoor air quality in rural Alaska homes

The Clean Air Study: High Efficiency Particulate Air (HEPA) Purifiers to Improve Indoor Air Quality and Health in Rural Alaska Homes

Not applicable Interventional Alaska Native Tribal Health Consortium · NCT06534385

This study is testing if using HEPA air purifiers in homes can help improve the breathing health of Alaska Native children living in rural areas with poor air quality.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment15 (estimated)
AgesN/A to 5 Years
SexAll
SponsorAlaska Native Tribal Health Consortium Academic / other
Locations1 site (Bethel, Alaska)
Trial IDNCT06534385 on ClinicalTrials.gov

What this trial studies

This study focuses on improving indoor air quality in homes of Alaska Native children in the Yukon-Kuskokwim Delta, where poor air quality is linked to respiratory diseases. Participants will use HEPA air purifiers to reduce particulate matter (PM2.5) in their homes, which is often elevated due to wood stove use and tobacco smoke. Families will monitor their child's respiratory symptoms weekly over a 12-week period while using the air purifiers. The goal is to assess the impact of improved air quality on the health of these children.

Who should consider this trial

Good fit: Ideal candidates are Alaska Native families residing in homes that use woodstoves for heating or have tobacco smokers present.

Not a fit: Patients who plan to move during the study period or already use HEPA air purifiers will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to significant improvements in respiratory health for children living in homes with poor air quality.

How similar studies have performed: Previous studies have shown that HEPA air purifiers can effectively reduce indoor air pollution, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Alaska Native participants residing in homes where woodstoves are used for heat or a smoker resides in the home.

Exclusion Criteria:

* Plan to move homes during the study period.
* Using HEPA air purifiers (other than the ones provided by the study).

Where this trial is running

Bethel, Alaska

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Air Pollution, Indoor
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.