Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 11, 2026, 12:11 AM EDT

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Showing 1–24 of 131 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Environmental Exposure
Interventions
Informational Report
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 99 Years
Enrollment
96 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Physical Activity, Sedentary Lifestyle
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
35 Years to 80 Years
Enrollment
601 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
La Jolla, California
Conditions
Inflammation, Normal Controls, Metabolic Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 90 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2031
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

A Cafeteria Based Study of Weight Gain Prevention

NCT00573482
Conditions
Obesity, Overweight
Interventions
REDE, control
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Childhood Activities Nutrition and Development Oversight

NCT05258656
Conditions
Environmental Exposure
Interventions
Intervention, Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
Up to 26 Weeks
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
2
States / cities
Chicago, Illinois
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Comparative Study of Three Collagen Membranes: 1 Non-cross-linked and 2 Cross-linked

NCT06944639
Conditions
Bone Regeneration
Interventions
Membrane Jason MB GmbH Non-cross-linked (NCL), Membrane BioMend Extend Glutaraldehyde cross-linked, Membrane OSSIX Agile Ribose cross-linked (RCL)
Device
Lead sponsor
Andrea Ravida
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Environmental Assessment of Sleep in Youth

NCT03224455
Conditions
Sleep Disorders in Children, Environmental Exposure
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT05875467
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
Completed Not applicable Interventional Accepts healthy volunteers

Intervention to Reduce Bisphenol A Exposure in Women

NCT03440307
Conditions
Environmental Exposure
Interventions
Face-to-Face Meetings, Email Only
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Luis Obispo, California
Conditions
Lung Diseases, Medication Compliance
Interventions
Fluticasone propionate 230mcg for 3 Months, Current Treatment or no treatment, Salmeterol 21mcg for 3 Months
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Not listed No phase listed Observational Accepts healthy volunteers

Study of Genetic Risk Factors for Spina Bifida and Anencephaly

NCT00031122
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Linking Somatic Mutation Rate With Baseline Exposure in East Palestine

NCT06357845
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
Conditions
Sleep, Pollution; Exposure, Cough
Interventions
CARDIO® salmon oil
Dietary Supplement
Lead sponsor
Hofseth Biocare ASA
Industry
Eligibility
18 Years to 70 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Apple Hearing Study

NCT04172766
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Wildfire Related Air Pollution Exposure and Cognitive Function Pilot Study

NCT07151235
Conditions
Healthy Participants
Interventions
Simulated wildfire smoke exposure, Clean Air exposure
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Piscataway, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers

The Interaction of Social Factors With Air Pollution

NCT02206750
Conditions
Exposure to Environmental Pollution, Non-occupational
Interventions
Clean Air, Ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 33 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
Completed No phase listed Observational Accepts healthy volunteers

Male:Female Birth Ratios and Phthalate Levels

NCT00903318
Conditions
Endocrine Diseases
Interventions
Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 40 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
3
States / cities
Baytown, Texas • Houston, Texas • La Joya, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Virtual Sun Safe Workplaces Ph II (SSW Works)

NCT05774600
Conditions
Skin Cancer, Occupational Exposure
Interventions
SSW Works, Minimal Information Control
Behavioral
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Golden, Colorado
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
Completed No phase listed Observational Results available

Home Air Quality Impact for Adults With Asthma

NCT05224076
Conditions
Asthma, Environmental Exposure, Home Environment Related Disease
Interventions
Home Air Quality
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Environmental Exposure
Interventions
Robotic Vacuum
Other
Lead sponsor
Duke University
Other
Eligibility
Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Urban Environmental Exposures and Childhood Cancer

NCT00505141
Conditions
Brain Cancer, Acute Lymphoblastic Leukemia
Interventions
Not listed
Lead sponsor
Georgetown University
Other
Eligibility
Up to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia