- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- HEPA Air Cleaner, Sham HEPA Air Cleaner
- Device
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 142 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2021
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–31
of 7
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cardiovascular Risk Factor, Blood Pressure
- Interventions
- HEPA Air Filtration, Sham HEPA Air Filtration
- Other
- Lead sponsor
- UConn Health
- Other
- Eligibility
- 30 Years and older
- Enrollment
- 156 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Farmington, Connecticut
- Conditions
- Air Pollution, Cardiometabolic Health
- Interventions
- HEPA filter, Sham filter
- Device
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 65 Years to 84 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Asthma
- Interventions
- NO2 Scrubber, HEPA filter, Control
- Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 5 Years to 11 Years
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Pediatric Asthma
- Interventions
- Portable air cleaner with HEPA filter, Less effective portable air cleaner (no HEPA)
- Device
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Cardiovascular Diseases
- Interventions
- Portable air cleaner (PAC), Sham Portable air cleaner (PAC)
- Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Heart Failure
- Interventions
- PAC provision at hospital discharge, Control non-intervention; PAC without filter
- Other
- Lead sponsor
- Henry Ford Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 400 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Detroit, Michigan