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ClinicalTrials.gov public records Last synced Oct 24, 2026, 4:05 PM EDT

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Showing 1–24 of 139 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environmental Exposures Clear all
Completed No phase listed Observational Accepts healthy volunteers

Workforce Serosurveillance to Track Long-term Modifications to COVID-19 Exposure Due to Factors in the Built Environment

NCT04542200
View directory record Official record
Conditions
Covid19
Interventions
Antibody testing
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
40,132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2023 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

GeoScan and Remote Geo Smoking Study: Neural and Behavioral Correlates of Smokers' Exposure to Retail Environments

NCT04279483
View directory record Official record
Conditions
Smoking, Tobacco, Smoking, Smoking, Cigarette
Interventions
Tobacco retailer, Non-tobacco retailer
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years to 65 Years
Enrollment
343 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 24, 2026, 4:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environmental Polymorphisms Registry Health and Exposures Survey

NCT01688986
View directory record Official record
Conditions
Diabetes, Heart Disease, Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
9,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Head Impact Exposure in Hawaii High School Football

NCT04020874
View directory record Official record
Conditions
Head Trauma, Cognitive Change, Confidence, Self, Sports Injuries in Children
Interventions
HuTT-2x, HuTT-4x
Behavioral
Lead sponsor
University of Massachusetts, Lowell
Other
Eligibility
14 Years to 19 Years
Enrollment
496 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional

Environmental Tobacco Smoke Exposure Reduction in High-Risk Preteens

NCT00217893
View directory record Official record
Conditions
Lung Diseases, Asthma
Interventions
Counseling, Urine Cotinine Feedback, Contingent Incentives, Usual education program
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
8 Years to 13 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Oct 24, 2026, 4:05 PM EDT
Active, not recruiting No phase listed Observational

Project HOPE 1000: Health Outcomes Pregnancy Exposures

NCT04417283
View directory record Official record
Conditions
Pregnant
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Results available

Evaluation of the Safety and Effectiveness of the Oculeve Intranasal Lacrimal Neurostimulator in Patients With Dry Eye

NCT02313454
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
Intranasal Tear Neurostimulator
Device
Lead sponsor
Allergan
Industry
Eligibility
22 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 24, 2026, 4:05 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Apple Hearing Study

NCT04172766
View directory record Official record
Conditions
Hearing Loss, Noise-Induced, Hearing Loss, Tinnitus
Interventions
Not listed
Lead sponsor
Apple Inc.
Industry
Eligibility
18 Years and older
Enrollment
300,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

A Multiphase Operational and Environmental Assessment of Lunar Surface Habitation, Lunar Gateway Transit Systems, and Acceleration Pathways for Sustained Human Habitation of the Martian Surface

NCT07546461
View directory record Official record
Conditions
Extraterrestrial Habitation Systems, Lunar Surface Habitation, Lunar Water-Ice Resource Assessment, In-Situ Resource Utilization (ISRU), Lunar Gateway Transit Architecture, Martian Surface Habitation Readiness, Environmental Control and Life-Support Systems (ECLSS), Radiation Exposure Modeling, EVA Logistics and Mobility, Long-Duration Isolation and Behavioral Stability
Interventions
Habitat Systems Evaluation, Water-Ice Resource Utilization Assessment, EVA and Mobility Operations
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Sleep Improvement Via Environmental Smart Temperature Adjustments

NCT06770400
View directory record Official record
Conditions
Sleep, Environmental Exposure, Environmental Sleep Disorder
Interventions
Temperature Optimized for Sleep, Participant's Preferred Temperature
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Results available

Dry Eye Symptom Relief Assessment With Use of TrueTear in a Controlled Adverse Environment

NCT03097614
View directory record Official record
Conditions
Dry Eye, Dry Eye Syndromes
Interventions
TrueTear
Device
Lead sponsor
Oculeve, Inc.
Industry
Eligibility
22 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Oct 24, 2026, 4:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures

NCT06030674
View directory record Official record
Conditions
Healthy
Interventions
Secondhand cannabis emissions/smoke exposure
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Prototype for Simulation for Environmental Exposure Education (SE3)

NCT05875467
View directory record Official record
Conditions
Effect of Game in Increasing Environmental Health Literacy
Interventions
SE3 Game
Other
Lead sponsor
dfusion Inc
Industry
Eligibility
11 Years to 15 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
San Jose, California • Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional

The Effect of a Reduced Noise Environment on the Response Time of the Anesthesia Provider

NCT03507855
View directory record Official record
Conditions
Noise Exposure
Interventions
Reduced noise, Normal
Other
Lead sponsor
Joshua Uffman
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 24, 2026, 4:05 PM EDT
Not listed Phase 2 Interventional

Healthy Outcomes of Pregnancy Education

NCT00381823
View directory record Official record
Conditions
Environmental Tobacco Smoke Exposure, Depression, Partner Abuse, Tobacco Smoking
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2006 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study to Assess the Quantitative Dermal Transfer Efficiencies of Solids for Multiple Transfer Pathways

NCT02529748
View directory record Official record
Conditions
Environmental Exposure
Interventions
Participants for Surface Skin Sampling, Elemental metallic lead, Tinopal
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Oct 24, 2026, 4:05 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Novel Strategies for Reducing Heart Disease Risk Disparities

NCT00143923
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Nutrition, Exercise, Stress Management Counseling, usual care
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
45 Years to 75 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional

The IGNITE for Kids Study on Concentrated Investment in Black Neighborhoods and Child Health and Well-Being

NCT05760001
View directory record Official record
Conditions
Financial Stress, Economic Problems, Environmental Exposure, Health Behavior, Health, Subjective, Mental Health Wellness
Interventions
Assigned Interventions
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
3 Years to 19 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety, Pharmacokinetics, and Efficacy of Bepotastine Besilate Nasal Product After Ragweed Pollen Exposure in an Environmental Chamber

NCT01222299
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
bepotastine besilate nasal product - low dose, bepotastine besilate nasal product - medium dose, bepotastine besilate nasal product - high dose, placebo comparator nasal product
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 24, 2026, 4:05 PM EDT
Recruiting Not applicable Interventional

THREAT: Testing Harms Related to Exposure to Allergenic and Epithelial Toxins

NCT07271381
View directory record Official record
Conditions
Allergic, Inflammatory
Interventions
Environmental Exposures, Control Exposures
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Ultralow Dose PAH Binary Mixture Study

NCT03631667
View directory record Official record
Conditions
Environmental Exposure
Interventions
[14C]-benzo[a]pyrene, [14C]-benzo[a]pyrene plus phenanthrene
Drug
Lead sponsor
Oregon State University
Other
Eligibility
21 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 24, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Interventions to Create Smoke-Free Home Policies in Low-Income Households: Texas Effectiveness Trial

NCT02097914
View directory record Official record
Conditions
Chronic Disease
Interventions
Educational print materials and coaching call
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 24, 2026, 4:05 PM EDT
Completed No phase listed Observational

Research on the Environment and Children's Health: Retinoblastoma

NCT00582049
View directory record Official record
Conditions
Retinoblastoma
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2008 · Synced Oct 24, 2026, 4:05 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Study of Genetic Risk Factors for Spina Bifida and Anencephaly

NCT00031122
View directory record Official record
Conditions
Spina Bifida, Anencephaly
Interventions
No Intervention
Other
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2010 · Synced Oct 24, 2026, 4:05 PM EDT