Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 12:47 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Lupus Nephritis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Research Triangle Park, North Carolina
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
Completed Not applicable Interventional Accepts healthy volunteers

Effects of BPA on Insulin and Glucose Responses

NCT03444922
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
Recruiting No phase listed Observational Accepts healthy volunteers

Developmental Impacts of Microplastics Exposure in Early Life

NCT06107933
Conditions
Infant Development, Breast Feeding, Environmental Exposure
Interventions
Observational only
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Ultralow Dose PAH Binary Mixture Study

NCT03631667
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
Suspended Not applicable Interventional Accepts healthy volunteers

Environmental Toxicants Avoidance Study

NCT04821752
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
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Mayo Clinic Precure - Prospective Study

NCT07332598
Conditions
Genetic Predisposition, Exposure, Environmental
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2035
U.S. locations
1
States / cities
Rochester, Minnesota
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
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
Conditions
Environmental Exposures, Child Development, Lead and Injury Reduction
Interventions
Lead Hazard Control Intervention, Injury Hazard Control Intervention
Procedure
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older · Female only
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
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
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
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
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
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Effect of Environment on the Central and Peripheral Nervous System

NCT06778356
Conditions
Rumination
Interventions
Built environment, Natural environment
Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Active, not recruiting 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
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Monitoring Environmental Exposures and Behavioral Change

NCT05338242
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
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
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
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
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
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
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