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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Environmental Exposures Clear all
Completed No phase listed Observational Accepts healthy volunteers

Environmental Exposure and Neurological Diseases Questionnaire

NCT02916966
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Patient Registry
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 19, 2026, 4:53 AM 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 11, 2025 · Synced Sep 19, 2026, 4:53 AM 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 30, 2018 · Synced Sep 19, 2026, 4:53 AM 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 10, 2026 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of BPA on Insulin and Glucose Responses

NCT03444922
View directory record Official record
Conditions
Environmental Exposure
Interventions
Placebo, BPA 4 ug/kg BW, BPA 50 ug/kg BW
Other
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2019 · Synced Sep 19, 2026, 4:53 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Savannah Environmental Nutrition Study (SENS): Nutrition Intervention to Reduce Air Pollution-Related Airway Inflammation and Oxidative Stress

NCT07797413
View directory record Official record
Conditions
Air Pollution Exposure, Oxidative Stress, Airway Inflammation
Interventions
Antioxidant- and Nutrient-Rich Food-Based Nutrition Intervention
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 19, 2026, 4:53 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Use of Bile Acid Binding Resins to Decrease PFAS Levels Via Colesevalem in Veterans Study

NCT07592858
View directory record Official record
Conditions
PFAS, Environmental Exposures, Occupational Exposure to Chemicals, Military Exposure, Burn Pit Exposure, Forever Chemicals, Hyperlipidemias, Hypercholesterolemia, Mixed Dyslipidemia, Hyperlipidemia (E.G., Hypercholesterolemia)
Interventions
Colesevelam, Placebo
Drug
Lead sponsor
University of Rhode Island
Other
Eligibility
25 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Louisville, Kentucky • Augusta, Maine
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Monitoring Environmental Exposures and Behavioral Change

NCT05338242
View directory record Official record
Conditions
Risk Reduction, Environmental Exposure, Risk Behavior, Health
Interventions
Real-Time Exposure Feedback
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 19, 2026, 4:53 AM 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 4, 2026 · Synced Sep 19, 2026, 4:53 AM EDT
Completed No phase listed Observational Results available

Change in Knowledge After Receiving Personal Air Pollution Results

NCT05160948
View directory record Official record
Conditions
Environmental Exposure
Interventions
Informational Report
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 99 Years
Enrollment
105 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional

Using Immersive Virtual Reality to Treat Pediatric Anxiety

NCT04504773
View directory record Official record
Conditions
Specific Phobia, Specific Phobia, Situational, Specific Phobia, Animal, Specific Phobia, Natural Environment, Childhood Anxiety Disorder
Interventions
Virtual Reality Exposure Therapy
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
8 Years to 17 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

PFAS Exposure and Immune Response to Vaccination in Adults

NCT06588530
View directory record Official record
Conditions
Innate Inflammatory Response, Vaccination, Diphtheria, Tetanus, Environmental Exposure, Vaccine, Antibodies, Adult, Immunity, Pollution; Exposure
Interventions
TENIVAC
Biological
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Paulsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 19, 2026, 4:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

NICU-HEALTH (Hospital Exposures and Long-Term Health)

NCT01963065
View directory record Official record
Conditions
Preterm Birth
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
Up to 1 Year
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 19, 2026, 4:53 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 24, 2024 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Pesticide Exposure in Minority Families

NCT00014807
View directory record Official record
Conditions
Disorders of Environmental Origin
Interventions
Reducing Pesticide Exposure in Minority Families
Behavioral
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
0 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Phase 2 Interventional

Prevention of Environmental Tobacco Smoke Exposure in Children 0-12 Months Old

NCT00340106
View directory record Official record
Conditions
Environmental Tobacco Smoke (ETS)
Interventions
Counseling
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 19, 2026, 4:53 AM 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 28, 2006 · Synced Sep 19, 2026, 4:53 AM 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 4, 2023 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional

Nurtured in Nature

NCT04146025
View directory record Official record
Conditions
Postpartum Depression, Pregnancy Related, Environmental Exposure
Interventions
Nature Coach Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 19, 2026, 4:53 AM 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 23, 2013 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction Effects of Temperature and Ozone

NCT01981135
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 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Sep 19, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Pesticide Exposure on Neurodevelopment/Growth/Respiratory Health

NCT00021658
View directory record Official record
Conditions
Environmental Exposure
Interventions
Pesticide application procedures
Procedure
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older · Female only
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2003
U.S. locations
1
States / cities
Salinas, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 19, 2026, 4:53 AM EDT
Recruiting No phase listed Observational

NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)

NCT02327897
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2030
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 19, 2026, 4:53 AM 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 14, 2019 · Synced Sep 19, 2026, 4:53 AM EDT