Clinical Trials Finder
Independent ClinicalTrials.gov directory
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.

Clear filters
ClinicalTrials.gov public records Last synced May 22, 2026, 1:11 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Indoor Air Quality Clear all
Active, not recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced May 22, 2026, 1:11 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 22, 2026, 1:11 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced May 22, 2026, 1:11 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced May 22, 2026, 1:11 AM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced May 22, 2026, 1:11 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Reduction, Smoking Habit, Smoking Behaviors, Smoking, Tobacco, Smoking, Cigarette, Smoking (Tobacco) Addiction, Tobacco Use, Tobacco Smoking
Interventions
Indoor Air Quality Monitor AirGradient ONE
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced May 22, 2026, 1:11 AM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced May 22, 2026, 1:11 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Indoor Air Quality
Interventions
Home Health Report
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced May 22, 2026, 1:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pollution; Exposure
Interventions
Educational Programming
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 21, 2019 · Synced May 22, 2026, 1:11 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Chronic Lung Disease of Newborn, Environmental Exposure
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 22, 2026, 1:11 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Persistent Asthma
Interventions
Indoor Air Quality Mitigation
Device
Lead sponsor
Dayton Children's Hospital
Other
Eligibility
5 Years to 15 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced May 22, 2026, 1:11 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced May 22, 2026, 1:11 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced May 22, 2026, 1:11 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Pediatric Asthma
Interventions
Healthy home intervention
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
Up to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced May 22, 2026, 1:11 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced May 22, 2026, 1:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Smoking
Interventions
Marlboro Gold Box, Newport Box, Non-combusted cigarette variant 42001401, Non-combusted cigarette variant 42001399, Non-combusted cigarette variant 40007386, Non-combusted cigarette variant 42001402
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stockbridge, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced May 22, 2026, 1:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Beacon, New York • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced May 22, 2026, 1:11 AM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced May 22, 2026, 1:11 AM EDT