- Conditions
- Asthma, Mouse Allergy, Mouse Allergen Exposure
- Interventions
- Integrated Pest Management, Education
- Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 361 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Boston, Massachusetts
Search Results
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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 1–24
of 31
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Air Pollution, Atherosclerosis
- Interventions
- HEPA filtration, Sham filtration
- Device
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 65 Years to 84 Years
- Enrollment
- 112 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Los Angeles, 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
- Vehicular Environment
- Interventions
- HEPA air purifier, questionnaires, Log-book, Urine sample
- Device · Behavioral · Other
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 21 Years to 90 Years · Male only
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- COPD, Chronic Obstructive Pulmonary Disease
- Interventions
- Active HEPA Air Cleaner, Motivational interviewing, Sham Air Cleaner
- Device · Behavioral
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 144 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Bronchiolitis, Viral, Pneumonia, Viral, Pneumonia, Bacterial
- Interventions
- Helmet CPAP
- Device
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 1 Month to 5 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Chronic Obstructive Pulmonary Disease
- Interventions
- HEPA portable air filter, Sham Control/Active Comparator
- Other
- Lead sponsor
- Intermountain Health Care, Inc.
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- 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
- 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
- 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
- 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
- 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, Indoor
- Interventions
- Air purifier
- Device
- Lead sponsor
- Alaska Native Tribal Health Consortium
- Other
- Eligibility
- Up to 5 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Bethel, Alaska
- 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
- Cardiovascular Diseases
- Interventions
- Filtered Air
- Other
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 49 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Bronchiolitis
- Interventions
- Winix 5500-2 HEPA filtration units
- Other
- Lead sponsor
- IDeA States Pediatric Clinical Trials Network
- Network
- Eligibility
- 1 Week to 12 Months
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 17
- States / cities
- Anchorage, Alaska • Little Rock, Arkansas • Honolulu, Hawaii + 14 more
- Conditions
- Air Pollution, Cardiovascular Health
- Interventions
- HEPA air filtration
- Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 45 Years to 80 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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 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
- COVID -19, Respiratory Failure, Hypoxia
- Interventions
- Oxygen Hood
- Device
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- Not listed
- Enrollment
- 136 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Sleepy Hollow, New York
- 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
- Cardiometabolic Health
- Interventions
- air filtration with air purifier with hepa filter, sham
- Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan