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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Occupational Exposure Clear all
Completed No phase listed Observational

Developing Interview Questions to Estimate Workplace Exposure to Electric and Magnetic Fields

NCT00340054
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
questionnaire administration, study of high risk factors
Other · Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Menlo Park, California • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Jul 21, 2026, 12:15 PM EDT
Not listed No phase listed Observational

What Happens in Vegas: PEP to PrEP Opportunities

NCT03775083
View directory record Official record
Conditions
Exposure to Human Immunodeficiency Virus (Event)
Interventions
Currently approved medications
Drug
Lead sponsor
Huntridge Family Clinic
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Retrovir in the Prevention of HIV Infection in Health Care Workers Accidentally Exposed to the Virus

NCT00002287
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
13 Years and older
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epigenetic Effect Modifications With Ozone Exposure on Healthy Volunteers

NCT02469428
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 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Phase 2 Interventional Results available

COVID-19 PrEP HCW HCQ Study

NCT04354870
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Jul 21, 2026, 12:15 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Occupational Exposures Among Firefighters

NCT06173843
View directory record Official record
Conditions
Cancer
Interventions
PFAS / heavy metal testing, exposures
Other
Lead sponsor
Vincere Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Jul 21, 2026, 12:15 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 9, 2015 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Results available

High-Intensity Interval Training to Improve Symptoms of Deployment-Related Respiratory Disease

NCT05849168
View directory record Official record
Conditions
Occupational Exposure
Interventions
Exercise training
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protecting Home Healthcare Workers: An Interactive Video-based App to Coach Workers Through Challenging Health and Safety-related Situations

NCT04593901
View directory record Official record
Conditions
Occupational Exposure
Interventions
Video and App Review
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Jul 21, 2026, 12:15 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Light Exposure to Treat Sleep Disruption in Older People

NCT00427323
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Circadian Rhythm Sleep Disorders, Hypersomnia
Interventions
light exposure
Procedure
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Jul 21, 2026, 12:15 PM EDT
Completed No phase listed Observational

Lupus Nephritis: Role of Environmental and Occupational Exposures

NCT00342329
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 12:15 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Occupational Exposure to Whole Body Vibration Among U.S. Military Veterans: Acute and Chronic Contributions to Musculoskeletal Disorders and Spine-Area Pain

NCT07367139
View directory record Official record
Conditions
Spine Health, Spine Injuries and Disorders, Spine Degeneration, Whole Body Vibration
Interventions
Water
Other
Lead sponsor
Milwaukee VA Medical Center
Federal
Eligibility
20 Years to 45 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 21, 2026, 12:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Non-Invasive System to Deliver Therapeutic Hypothermia for Protection Against Noise-Induced Hearing Loss

NCT06729632
View directory record Official record
Conditions
Noise Exposure, Noise-induced Hearing Loss, Noise; Adverse Effect, Mild Therapeutic Hypothermia, Cooling, Occupational Exposure, Occupational Health, Hidden Hearing Loss
Interventions
Cold pack-delivered mild therapeutic hypothermia
Device
Lead sponsor
Restorear Devices LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tech4Rest Trial With Team Truck Drivers

NCT03108599
View directory record Official record
Conditions
Sleep, Sleep Disturbance, Sleep Disorder, Shift Work, Health Knowledge, Attitudes, Practice, Health Behavior, Fatigue, Vibration; Exposure
Interventions
Enhanced Cab, Fit4Sleep
Other · Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Jul 21, 2026, 12:15 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 18, 2026 · Synced Jul 21, 2026, 12:15 PM 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 Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Intelligent Exercise and Ergonomic Recommendations on Surgeon Musculoskeletal Discomfort

NCT06112106
View directory record Official record
Conditions
Occupational Injuries, Occupational Exposure
Interventions
Intelligent Physical Exercise Training (IPET)
Behavioral
Lead sponsor
University of Aarhus
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Biktarvy for Non-Occupational Post-Exposure Prophylaxis (nPEP)

NCT03499483
View directory record Official record
Conditions
HIV Prevention
Interventions
bictegravir
Drug
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HIV Non-Occupational Post-Exposure Prophylaxis

NCT01855867
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Single Dose Elivitegravir (150mg), Combicistat (150mg), Emtricitabine (200mg), Tenofovir DF (300mg)
Drug
Lead sponsor
Kenneth H. Mayer, MD
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Jul 21, 2026, 12:15 PM EDT
Completed No phase listed Observational

Study of Markers of Cosmic Radiation Exposure and Effect Among Flight Crews

NCT00341900
View directory record Official record
Conditions
Frequency of Chromosome Aberrations
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 60 Years · Male only
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2020 · Synced Jul 21, 2026, 12:15 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Reducing Farmworkers Exposure to Agricultural Chemicals

NCT00298649
View directory record Official record
Conditions
Pesticide Safety
Interventions
Lay Health Advisor
Behavioral
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biobehavioral Interventions for HIV-negative, Stimulant Using Men Who Have Sex With Men

NCT01140880
View directory record Official record
Conditions
HIV Seroconversion, Stimulant Abuse
Interventions
Truvada
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Radioprotective Light-weight Caps in the Interventional Cardiology Setting

NCT01620658
View directory record Official record
Conditions
Occupational Exposure to Radiation
Interventions
0.5mm XPF cap, 0.3mm XPF cap, Standard cap
Device
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 6, 2022 · Synced Jul 21, 2026, 12:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Investigating the Immunogenicity of a U.S.-Licensed Meningococcal Serogroup B Vaccine (Trumenba)

NCT02569632
View directory record Official record
Conditions
Meningococcal Infections
Interventions
Trumenba Vaccine (Wyeth/Pfizer Pharmaceuticals)
Biological
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Oakland, California • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Jul 21, 2026, 12:15 PM EDT