- 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
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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–19
of 19
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Surgery
- Interventions
- Functioning Aerus air filtration/sterilization, Deactivated Aerus air filtration/sterilization
- Device
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 66,273 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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
- 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
- Asthma
- Interventions
- integrated pest management, air purifier, Sham air purifier
- Other
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 4 Years to 15 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- woodstove, inactive air filter, Active air filter
- Other
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 10 Years to 17 Years
- Enrollment
- 122 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2015
- U.S. locations
- 1
- States / cities
- Missoula, Montana
- 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
- 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
- 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
- COPD, Eosinophilia
- Interventions
- Air purifier, Sham air purifier
- Device
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 178 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- 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
- Obesity, Lumbar Spine Surgery
- Interventions
- Closed-Incision Negative-Pressure Therapy
- Device
- Lead sponsor
- Norton Leatherman Spine Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 124 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
- Conditions
- Asthma
- Interventions
- integrated pest management, air purifier, No intervention (control)
- Other
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 4 Years to 15 Years
- Enrollment
- 236 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts