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ClinicalTrials.gov public records Last synced Jun 11, 2026, 1:34 AM EDT

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

Pesticide Exposure Pathways for Farmworker Children

NCT00013754
View directory record Official record
Conditions
Poisoning
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Jun 11, 2026, 1:34 AM 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 9, 2026 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

Assessing the Efficacy of Maxidex® and Patanol® for the Treatment of Allergic Conjunctivitis

NCT01119287
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Dexamethasone 0.1% ophthalmic suspension, Olopatadine hydrochloride 0.1% ophthalmic solution, Inactive ingredients, used as placebo
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 64 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of a Tobacco Control Intervention in African-American Families

NCT01164306
View directory record Official record
Conditions
Tobacco Prevention, Environmental Tobacco Smoke Exposure, Tobacco Cessation
Interventions
LifeSkills Training, Healthy Lifestyle Behavior Choices, NRT and Motivational Interviewing (MI)
Behavioral
Lead sponsor
Augusta University
Other
Eligibility
8 Years and older
Enrollment
688 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 1, 2015 · Synced Jun 11, 2026, 1:34 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 Jun 11, 2026, 1:34 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Personalized Biomonitoring and Report-back Intervention to Reduce Exposure to Endocrine Disrupting Chemicals

NCT06450951
View directory record Official record
Conditions
Environmental Exposure
Interventions
Urinary EDC metabolite testing, Educational curriculum
Diagnostic Test · Behavioral
Lead sponsor
Million Marker Wellness, Inc.
Industry
Eligibility
18 Years to 44 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Dry Eye Symptoms in CAE With Application of Intranasal Neurostimulation

NCT02910713
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
Intranasal Tear Neurostimulator
Device
Lead sponsor
Allergan
Industry
Eligibility
22 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Louisville, Kentucky • Memphis, Tennessee • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Jun 11, 2026, 1:34 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 11, 2024 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional

Developing and Evaluating an Indoor Air Pollution Intervention Among Cardiovascular Patients: the AIRWISE Study

NCT06384625
View directory record Official record
Conditions
Coronary Heart Disease, Cardiovascular Diseases, Environmental Exposure
Interventions
AIRWISE
Other
Lead sponsor
University of Montana
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jun 11, 2026, 1:34 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 Jun 11, 2026, 1:34 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Environmental Toxicants Avoidance Study

NCT04821752
View directory record Official record
Conditions
Pollution; Exposure, Glucose Intolerance, Glycemic Control
Interventions
Avoidance Education
Behavioral
Lead sponsor
Bastyr University
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Biological Responses to Low Level Ozone

NCT02857283
View directory record Official record
Conditions
Environmental Exposure, Nasal Inflammation
Interventions
Ozone, Filtered Air, Health and Exposure Tracker (HET)
Other · Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jun 11, 2026, 1:34 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 Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional

Reducing Environmental Tobacco Smoke in Neonatal Intensive Care Unit (NICU) Infants' Homes

NCT00670280
View directory record Official record
Conditions
Infant Environmental Tobacco Smoke Exposure
Interventions
Motivational Interviewing intervention, Usual Care, Usual Care - Reduced Measurement
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
12 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Jun 11, 2026, 1:34 AM 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 17, 2018 · Synced Jun 11, 2026, 1:34 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

GARM II: A Study on the Genetics of Age-related Maculopathy

NCT01115387
View directory record Official record
Conditions
Age-related Macular Degeneration, Age-related Maculopathy
Interventions
Observational-1, Observational-2
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
49 Years and older
Enrollment
603 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Jun 11, 2026, 1:34 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 10, 2025 · Synced Jun 11, 2026, 1:34 AM 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 3, 2008 · Synced Jun 11, 2026, 1:34 AM EDT
Completed No phase listed Observational

Indoor Air Quality and Respiratory Morbidity in School-Aged Children With BPD

NCT04107701
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Chronic Lung Disease of Newborn, Environmental Exposure
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jun 11, 2026, 1:34 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 Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Pesticide Exposures in Child Care Centers

NCT03319927
View directory record Official record
Conditions
Children, Only, Risk Reduction, Environmental Exposure
Interventions
Changes in pesticide exposure, IPM Practices, Educational Workshops
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
3 Years to 75 Years
Enrollment
987 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jun 11, 2026, 1:34 AM EDT
Not yet 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 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jun 11, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Minority-focused Environmental Health Education and Tracking Pilot Study

NCT07461857
View directory record Official record
Conditions
Environmental Exposure
Interventions
Education curriculum
Behavioral
Lead sponsor
Million Marker Wellness, Inc.
Industry
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 11, 2026, 1:34 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Scalability of a Home Health Navigator Program to Reduce Arsenic, Nitrate, and Lead in Private Well Water

NCT05395663
View directory record Official record
Conditions
Pollution; Exposure
Interventions
Community health worker
Behavioral
Lead sponsor
Oregon State University
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Jun 11, 2026, 1:34 AM EDT