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, 5:16 AM EDT

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

Showing 577–600 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

SEEK: Dissemination and Implementation

NCT03642327
View directory record Official record
Conditions
Child Maltreatment
Interventions
Experimental: Maintenance of Certification (MOC), Independent online training (IND)
Behavioral · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional

Bleach vs. Bubbles: Assessing the Impact of the Bathroom Environment on Eczema

NCT03619161
View directory record Official record
Conditions
Eczema, Atopic Dermatitis, Atopic Dermatitis and Related Conditions
Interventions
Bubbles, Bleach and Bubbles
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
6 Months to 17 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Oct 31, 2026, 5:16 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Birth Control to Improve Birth Spacing

NCT05240066
View directory record Official record
Conditions
Contraception, Contraception Behavior, Knowledge, Attitudes, Practice, Birth Spacing
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
1,341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pre Post Evaluation of Temperature, Steps, and Glucose With Additional Time Spent Outdoors in an Urban and Rural Setting

NCT03614780
View directory record Official record
Conditions
Temperature, Exercise, Diabetes Mellitus, Type 2
Interventions
30 minutes outdoors
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
19 Years to 65 Years · Female only
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nudging for Behavior Change in School Cafeterias

NCT04156542
View directory record Official record
Conditions
Behavior, Child, Food Selection
Interventions
Basic School Lunchroom Nudges
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
10 Years to 15 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
6
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate Visual Acuity Measured With the EyeQue Insight Versus a Standard Eyechart.

NCT04474041
View directory record Official record
Conditions
Visual Acuity
Interventions
EyeQue Insight
Device
Lead sponsor
EyeQue Corp.
Industry
Eligibility
7 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Newark, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Oct 31, 2026, 5:16 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Genetic and Environmental Risk Factors for Hemorrhagic Stroke-GERFHS III

NCT00930280
View directory record Official record
Conditions
Stroke
Interventions
Not listed
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
1,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

Environmental Exposures, Genetics, and Exhaled Nitric Oxide in Pediatric Asthma

NCT00395096
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 12 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Phase 3 Interventional

Case Management and Environmental Control in Asthma

NCT00514436
View directory record Official record
Conditions
Asthma
Interventions
Asthma coaching
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 8 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 9, 2015 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Fatigue in Varying Hot Environments

NCT04624919
View directory record Official record
Conditions
Hyperthermia
Interventions
Hot/Dry, Warm/Humid
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 39 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Safe Environment for Every Kid (SEEK) I

NCT00507299
View directory record Official record
Conditions
Child Abuse
Interventions
Enhanced pediatric primary care, Standard pediatric primary care
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
1 Month to 70 Years
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

Gene-Environment Interactions in Rheumatoid Arthritis Autoimmunity Disease Severity

NCT00594451
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 31, 2026, 5:16 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Can the Language Environment Analysis Start Program Improve Children's Readiness for School? LENA Program Evaluation

NCT04905381
View directory record Official record
Conditions
Language Development
Interventions
Usual care, LENA Star Program sessions
Behavioral
Lead sponsor
William Marsh Rice University
Other
Eligibility
16 Months to 30 Months
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 31, 2026, 5:16 AM EDT
Active, not recruiting No phase listed Observational

Clinical, Laboratory, and Epidemiologic Characterization of Individuals and Families at High Risk of Cancer

NCT00001163
View directory record Official record
Conditions
Hereditary Neoplasms, Cancer, Genetic Predisposition to Cancer, Environment
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
5,201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1985
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

Recovery and Outcomes From Stroke

NCT04007757
View directory record Official record
Conditions
Intracerebral Hemorrhage
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
8
States / cities
Chicago, Illinois • Louisville, Kentucky • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2025 · Synced Oct 31, 2026, 5:16 AM EDT
Withdrawn Phase 2 Interventional

Efficacy Study of Ketorolac and HPMC to Treat Dry Eye

NCT03693183
View directory record Official record
Conditions
Dry Eye
Interventions
Ketorolac/HPMC, HPMC, Vehicle
Drug
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hormonal and Environmental Risk Factors for Developing Systemic Lupus Erythematosus: The Carolina Lupus (CLU) Study

NCT00342095
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2007
U.S. locations
6
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Greenville, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

A Prospective Post-marketing Observational Study Assessing the Safety and Efficacy of Nerivio for Migraine Prevention.

NCT05940870
View directory record Official record
Conditions
Migraine
Interventions
Nerivio
Device
Lead sponsor
Theranica
Industry
Eligibility
12 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Variety of Physical Activity in Normal to Overweight Adults Who Are Regularly Active

NCT02149147
View directory record Official record
Conditions
Overweight
Interventions
Not listed
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 31, 2026, 5:16 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Determining the Optimal Amount of Structured Environments for Healthy Kids

NCT06158594
View directory record Official record
Conditions
Health Status Disparities, Pediatric Obesity, Ethnic Groups, Socioeconomic Factors
Interventions
Summer day camp
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
5 Years to 12 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

Translational Investigation of Gestational Environment on Neurobehavioral Function in Children

NCT02715778
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Service and Health During the Iraq and Afghanistan Era

NCT01987401
View directory record Official record
Conditions
Iraq and Afghanistan Era Veterans
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
1,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 31, 2026, 5:16 AM EDT
Completed No phase listed Observational

Environmental Triggers Of Cardiometabolic Disease

NCT01548300
View directory record Official record
Conditions
Metabolic Syndrome X
Interventions
Not listed
Lead sponsor
Sanjay Rajagopalan
Other
Eligibility
35 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Ann Arbor, Michigan • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 8, 2018 · Synced Oct 31, 2026, 5:16 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Interactions Between Drug Effects and Environments II

NCT03075501
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Paired, Stimulant or sedative, Placebo
Behavioral · Drug
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 31, 2026, 5:16 AM EDT