- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- HEPAirX air filter, control air filter
- Device
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Rochester, New York
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 28
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Asthma in Children
- Interventions
- HEPA air cleaner
- Device
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Yakima, Washington
- Conditions
- Asthma Control, Pulmonary Function, Quality of Life, Stress, Sleep Quality
- Interventions
- Energy Recovery Ventilator, Portable Air Cleaner, Energy Recovery Ventilator (Sham), Portable Air Cleaner (Sham)
- Device
- Lead sponsor
- The University of Texas at Arlington
- Other
- Eligibility
- 5 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 2
- States / cities
- Arlington, Texas • Plano, Texas
- Conditions
- Asthma, COPD (Chronic Obstructive Pulmonary Disease)
- Interventions
- Air Cleaner, PM2.5 Monitor with Visual Air Quality Indicator, Educational Materials, Air Cleaner Technical Assistance
- Device · Behavioral
- Lead sponsor
- University of California, Berkeley
- Other
- Eligibility
- 13 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 3
- States / cities
- Berkeley, California • San Francisco, California
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Air cleaner, Sham air cleaner
- Device
- Lead sponsor
- JHSPH Center for Clinical Trials
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 770 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 11
- States / cities
- Birmingham, Alabama • Los Angeles, California • Iowa City, Iowa + 7 more
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD), Exacerbation of COPD, Exacerbation of Chronic Obstructive Pulmonary Disease
- Interventions
- N95 masks and indoor air cleaner
- Device
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Pleasanton, California
- Conditions
- Asthma
- Interventions
- Health Coach and HEPA air cleaners
- Behavioral
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 125 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- Viral Infection
- Interventions
- Active classroom HEPA cleaner, Sham classroom HEPA cleaner
- Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 6 Years to 90 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2030
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- PreDiabetes
- Interventions
- PAC with HEPA filter intact, PAC with HEPA filter removed
- Device
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Respiratory Tract Diseases, Cardiovascular Diseases
- Interventions
- DIY portable air cleaner with a highly effective filter, DIY portable air cleaner with sham filtration
- Other
- Lead sponsor
- Environmental Protection Agency (EPA)
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Fresno, California
- Conditions
- Asthma
- Interventions
- Stand Alone Air Cleaner, HVAC Modification
- Other
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 219 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Davis, California
- 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
- Asthma in Children
- Interventions
- Home-Based Environmental Interventions (HEI)
- Other
- Lead sponsor
- Duke University
- Other
- Eligibility
- 4 Years to 16 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Coronary Heart Disease, Cardiovascular Diseases, Environmental Exposure
- Interventions
- AIRWISE
- Other
- Lead sponsor
- University of Montana
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Missoula, Montana
- Conditions
- Childhood Asthma
- Interventions
- Community Health Worker Intervention, Air Filter, Air Filter and Air Conditioner
- Behavioral · Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- 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
- Conditions
- Asthma Attack, Lung Function, Airway Inflammation
- Interventions
- Austin Air Cleaner
- Device
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 7 Years to 18 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Cardiovascular Diseases, Blood Pressure, Glycated Hemoglobin (HbA1c), Cholesterol, Cholesterol, HDL, Cholesterol, LDL, Indoor Air Quality, Particulate Matter, Health Behavior
- Interventions
- Air Improvement and Real-time Monitoring for Wellness through Interactive Strategies and Education (AIRWISE), Portable Air Cleaner (PAC) Control
- Behavioral · Other
- Lead sponsor
- University of Montana
- Other
- Eligibility
- 55 Years to 79 Years
- Enrollment
- 154 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Missoula, Montana
- Conditions
- Asthma in Children
- Interventions
- Comparator 1 (tailored approach), Comparator 2 (insecticidal bait)
- Behavioral
- Lead sponsor
- Tulane University
- Other
- Eligibility
- 5 Years to 17 Years
- Enrollment
- 308 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2028
- U.S. locations
- 1
- States / cities
- New Orleans, Louisiana
- Conditions
- Asthma
- Interventions
- Active Air Purifier, Placebo Air Purifier
- Device
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 198 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2027
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Blood Pressure
- Interventions
- Active PAC, Sham PAC
- Device
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 440 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Pulmonary Disease, Chronic Obstructive
- Interventions
- Air cleaner
- Device
- Lead sponsor
- Illinois Institute of Technology
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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