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ClinicalTrials.gov public records Last synced Oct 20, 2026, 12:34 PM EDT

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Showing 1–24 of 142 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environmental Exposure Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Dismantling the U.S. Social Norm of the "Kids' Food" Archetype (REACH Project)

NCT06266533
View directory record Official record
Conditions
Food Selection, Environmental Exposure
Interventions
Conventional Ultra-processed Food Nutrition Education, Arts-based Ultra-processed Food Nutrition Education
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 20, 2026, 12:34 PM EDT
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 May 1, 2024 · Synced Oct 20, 2026, 12:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Linking Somatic Mutation Rate With Baseline Exposure in East Palestine

NCT06357845
View directory record Official record
Conditions
Somatic Mutation
Interventions
Survey, Biological specimen collection, Communications about study updates and future research opportunities, Qualitative interview
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 20, 2026, 12:34 PM 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 31, 2026 · Synced Oct 20, 2026, 12:34 PM 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 20, 2026, 12:34 PM 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 Oct 16, 2026 · Synced Oct 20, 2026, 12:34 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Human Observatory Study

NCT07646782
View directory record Official record
Conditions
Aging, Mortality, All-cause Mortality, Life Expectancy, Cardiovascular Diseases, Neoplasms, Cognitive Dysfunction, Metabolic Syndrome, Frailty, Musculoskeletal Disease, Neurodegenerative Disease, Dementia, Activities of Daily Living, Health Related Quality of Life, Environmental Exposure, Occupational Diseases, Health Equity, Social Determinants of Health, Physical Disability
Interventions
Multi-Domain Ecological and Clinical Data Linkage
Other
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 20, 2026, 12:34 PM 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 29, 2014 · Synced Oct 20, 2026, 12:34 PM EDT
Completed No phase listed Observational

Molecular Epidemiology of Childhood Leukemia (Aka The California Childhood Leukemia Study)

NCT00015587
View directory record Official record
Conditions
Leukemia, Acute Myelocytic Leukemia, Acute Lymphoblastic Leukemia, Acute Myelogenous Leukemia
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
1 Day to 14 Years
Enrollment
3,523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2016
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced Oct 20, 2026, 12:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environment and Reproductive Health; Human Exposure to Bisphenol A, Phthalates and Fertility and Pregnancy Outcomes

NCT00011713
View directory record Official record
Conditions
Infertility
Interventions
Completion questionnaires/providing biological samples
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2020 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Phase 4 Interventional Results available

Assessment of Alcon's Ocular Image Quantification System

NCT01282138
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Olopatadine hydrochloride, 0.1% ophthalmic solution (Patanol), Dextran 70 0.1%, hydroxypropyl methylcellulose 0.3% (Tears Naturale II)
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Isradipine Enhancement of Virtual Reality Cue Exposure for Smoking Cessation

NCT03083353
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Cigarette, Smoking Cessation, Smoking Behaviors, Smoking Reduction, Craving
Interventions
Isradipine, Cue Exposure
Drug · Behavioral
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years to 65 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 20, 2026, 12:34 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 20, 2026, 12:34 PM 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 10, 2015 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Not applicable Interventional

Reduction of Environmental Tobacco Smoke (ETS) Exposure In Pediatric Cancer Patients

NCT00766766
View directory record Official record
Conditions
Cancer
Interventions
Health Risk and Behavioral Skills Coaching Sessions, Telephone Coaching Sessions, Physician Feedback Letter
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 17 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 6, 2013 · Synced Oct 20, 2026, 12:34 PM 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 4, 2006 · Synced Oct 20, 2026, 12:34 PM 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 20, 2026, 12:34 PM EDT
Not yet recruiting Not applicable Interventional

Therapeutic Induction of Dermal Remodeling in Veterans to Prevent Actinic Neoplasia Caused by Chronic Environmental Exposure to Ultraviolet Radiation

NCT07648407
View directory record Official record
Conditions
Nonmelanoma Skin Cancer, Actinic Keratosis
Interventions
Microneedling, Trichloroacetic acid peel
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
Indianapolis, Indiana • Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Phase 3 Interventional

A Clinical Trial to Assess the Safety and Efficacy of Subjects With Dry Eye Disease

NCT06424444
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Reproxalap ophthalmic solution (0.25%), Vehicle ophthalmic solution
Drug
Lead sponsor
Aldeyra Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Shelby, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Environments as Smoking Cues: Imaging Brain Substrates, Developing New Treatments (CameraCue)

NCT01840111
View directory record Official record
Conditions
Smoking, Healthy
Interventions
Quit Smoking 6 hours, Quit Smoking 24 hours
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 20, 2026, 12:34 PM EDT
Active, not recruiting Phase 3 Interventional

Dry Mouth Toothpaste Study - Comparing Two Toothpastes With Arginine

NCT06365047
View directory record Official record
Conditions
Xerostomia
Interventions
8% Arginine toothpaste, 1000 ppm F toothpaste
Device · Drug
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 20, 2026, 12:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prenatal Education on Environmental Exposures During Pregnancy Study (PEEPS)

NCT07758114
View directory record Official record
Conditions
Environmental Exposure, Pregnancy Related, Preterm Birth, Chronic Respiratory Disease, Neurodegenerative Diseases
Interventions
Educational Intervention
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 20, 2026, 12:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing Gene-Environment Interactions in Clinical Presentation of Nevi and Melanoma

NCT03783325
View directory record Official record
Conditions
Nevi and Melanomas
Interventions
UV Counseling, UV Photo, Biological Sample
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 20, 2026, 12:34 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 20, 2026, 12:34 PM EDT