- 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
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–11
of 11
matching trials from the live ClinicalTrials.gov search.
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- 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
- 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
- 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
- Spirometry
- Interventions
- Community health worker-delivered multi-component respiratory health intervention
- Behavioral
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 9 Years and older
- Enrollment
- 800 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- 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
- 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
- Asthma
- Interventions
- High Efficiency Particulate Air Cleaner, Sham air cleaner
- Device
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland
- 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
- 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