Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 31, 2026, 3:36 AM EDT

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

Showing 529–552 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Interaction of Social Factors With Air Pollution

NCT02206750
View directory record Official record
Conditions
Exposure to Environmental Pollution, Non-occupational
Interventions
Clean Air, Ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 33 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Oct 31, 2026, 3:36 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Everyday Exposures: How Chemicals and Weight Impact Breast Cancer Risk

NCT07137468
View directory record Official record
Conditions
Breast Cancer
Interventions
Surveys, Video
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Designs for Restaurant "Eco-Labels"

NCT05953246
View directory record Official record
Conditions
Food Preferences
Interventions
Neutral labels, Numeric text-only sustainability labels, Endorsement text-only sustainability labels, Endorsement icon-only sustainability labels, Endorsement text-plus-icon sustainability labels
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2,207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 31, 2026, 3:36 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Geospatial Analysis of Neighborhood Environmental Stress in Relation to Biological Markers of Cardiovascular Health and Health Behaviors in Women

NCT04014348
View directory record Official record
Conditions
Cardiovascular (CV) Risk
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
19 Years to 45 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Recruiting No phase listed Observational

Multicenter Evaluation of Near Vision and Outdoor Time in Kids Study

NCT06119243
View directory record Official record
Conditions
Myopia
Interventions
Vivior
Device
Lead sponsor
The University of New South Wales
Other
Eligibility
4 Years to 14 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Berkeley, California • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Phase 3 Interventional Results available

Vehicle-Controlled Study of SkQ1 as Treatment for Dry-eye Syndrome

NCT04206020
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
SkQ1 Vehicle Solution, SkQ1 Ophthalmic Solution
Drug
Lead sponsor
Mitotech, SA
Industry
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
4
States / cities
Sun City West, Arizona • Andover, Massachusetts • San Antonio, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Not applicable Interventional

The Brave Initiative: Bringing Rehabilitation to American Veterans in an Enriched Environment

NCT02339220
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Constraint-Induced Movement Therapy (CIMT), Lakeshore Enriched Fitness Training (LEFT), standard Transfer Package (sTP), enhanced Transfer Package (eTP)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 90 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 31, 2026, 3:36 AM EDT
Withdrawn Not applicable Interventional

A Clinical Study Comparing the Comfort of Three Commercially Available Contact Lenses

NCT02298400
View directory record Official record
Conditions
Contact Lens Complication
Interventions
Acuvue® Oasys® Lenses (senofilcon A), 30-Day Bausch + Lomb PureVision (balafilcon A), Clariti® 1-Day (Somofilcon A)
Device
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 31, 2026, 3:36 AM EDT
Terminated Not applicable Interventional Results available

The Effects of Cyclosporin A in a Low Humidity Environment, on the Ocular Surface

NCT02199964
View directory record Official record
Conditions
Dry Eye
Interventions
Cyclosporin 0.05% emulsion, Endura, Refresh artificial tears
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Studying the Impact of Product Packaging in a Virtual Store Environment

NCT04381481
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Experimental Drink: Nutrition claim on fruit drinks, Control Drink: No nutrition claim, Experimental snack: Text warning, Experimental snack: Graphic warning, Control snack: barcode label
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
2,374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 31, 2026, 3:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility Study to Assess a Trans-nasal Intestinal Potential Difference Probe

NCT04565821
View directory record Official record
Conditions
Inflammatory Disease, Permeability; Increased, Crohn Disease, Inflammatory Bowel Diseases, Environmental Enteropathy
Interventions
IPD Probe via TNIT
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

An Alternative Way To Deliver Oxygen To People

NCT04870801
View directory record Official record
Conditions
Hypoxia
Interventions
Respirogen Micro-Oxygen
Drug
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Oct 31, 2026, 3:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Learning and Living With Wildfire Smoke

NCT06322966
View directory record Official record
Conditions
Behavior and Behavior Mechanisms, Health Knowledge, Attitudes, Practice
Interventions
Air Action Curriculum
Other
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 31, 2026, 3:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Johnston County ADHD Study: Environmental, Reporductive, and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD)

NCT00339729
View directory record Official record
Conditions
Attention-Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
8 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2007
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 31, 2026, 3:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Summer Weight and Environmental Assessment Trial

NCT03010644
View directory record Official record
Conditions
Childhood Obesity
Interventions
n/a - observational study
Other
Lead sponsor
Ohio State University
Other
Eligibility
4 Years to 12 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
West Lafayette, Indiana • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 31, 2026, 3:36 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Building Blocks for Healthy Preschoolers

NCT03111264
View directory record Official record
Conditions
Pediatric Obesity
Interventions
CHAMP+
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
1,943 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Oct 31, 2026, 3:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Talk With Me Baby to Enhance the Early Home Language Environment

NCT06479278
View directory record Official record
Conditions
Language Development, Speech, Infant Development, Infant Behavior, Language, Child, Language
Interventions
Talk with Me Baby
Behavioral
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
0 Months to 9 Months
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Kansas City, Kansas • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Change Club Study: Evaluation of Civic Engagement for Built Environment Change and Health Improvement

NCT05002660
View directory record Official record
Conditions
Heart Diseases
Interventions
Group 1 (Intervention), Group 2 (Control)
Behavioral
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
2,420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
13
States / cities
Camden, New York • Canastota, New York • Carthage, New York + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Documentation Physician Compensation Incentives

NCT05527977
View directory record Official record
Conditions
Compensation Incentives, Clinical Documentation, Physician Work Environment, Diagnostic Error
Interventions
Compensation Incentives to improve Clinical Documentation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 25, 2024 · Synced Oct 31, 2026, 3:36 AM EDT
Recruiting Not applicable Interventional

Hearing Aid Benefit in Real-World Noisy Environments

NCT07226167
View directory record Official record
Conditions
Hearing Aid, Hearing Loss, Bilateral Sensorineural, Hearing Loss, Adult-Onset
Interventions
Hearing aid
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Molekule for Allergic Rhinitis/Asthma

NCT03627689
View directory record Official record
Conditions
Asthma, Allergic Rhinitis, Allergic Conjunctivitis
Interventions
Active air purifier in respiratory allergies/asthma, Sham air purifier
Other
Lead sponsor
Molekule
Industry
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Oct 31, 2026, 3:36 AM EDT
Withdrawn Not applicable Interventional

Fundamental and Applied Concussion Recovery Modality Research and Development: Applications for the Enhanced Recovery

NCT05062148
View directory record Official record
Conditions
Traumatic Brain Injury, Post-Concussion Syndrome, Concussion, Brain
Interventions
Float-REST, Photobiomodulation
Other
Lead sponsor
West Virginia University
Other
Eligibility
14 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 31, 2026, 3:36 AM EDT
Completed No phase listed Observational

Genomics, Environmental Factors and Social Determinants of Cardiovascular Disease in African-Americans Study (GENE-FORECAST): Prospective COVID-19 Natural History Study

NCT05484882
View directory record Official record
Conditions
Heart Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
21 Years to 115 Years
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Bethesda, Maryland • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 31, 2026, 3:36 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Step Up for STEM and Health Careers

NCT06445751
View directory record Official record
Conditions
Adolescent Behavior
Interventions
Step Up for STEM and Health Careers ("Step Up") game, Educational PowerPoint Presentation on Diversity in STEM Careers
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
13 Years to 19 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 31, 2026, 3:36 AM EDT