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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 Not applicable Interventional Accepts healthy volunteers Results available

Vanderbilt Pertussis Exposure Study: PEP in Vaccinated Healthcare Workers Following Pertussis Exposure

NCT00469274
View directory record Official record
Conditions
Pertussis
Interventions
Antibiotic PEP
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 64 Years
Enrollment
1,102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Silica Exposure Among Brick Kiln Workers in Nepal

NCT06090370
View directory record Official record
Conditions
Silicosis
Interventions
N95 Respirator, Protective Eyewear, Baseline Survey, Design of Workshop, Training Workshop Pilot
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Multilevel Intervention to Prevent Noise Exposure in Farmworkers

NCT07554378
View directory record Official record
Conditions
Noise Exposure, Hearing Loss, Noise-Induced, Occupational Exposure
Interventions
Multilevel Hearing Protection Training
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 5, 2026, 11:43 AM EDT
Completed Not applicable Interventional Results available

Physician Radiation Exposure During Radial Access Cardiac Catheterization Using a RAD Board

NCT02088788
View directory record Official record
Conditions
Radiation Exposure to Operator
Interventions
Board, No Board
Device
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Sep 5, 2026, 11:43 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Acceptability Study of Non-occupational Prophylaxis (PEP) Following Potential Exposure to HIV

NCT01602822
View directory record Official record
Conditions
HIV
Interventions
Tenofovir DF and Emtricitabine; Ritonavir-boosted Atazanavir
Drug
Lead sponsor
Kenneth H. Mayer, MD
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 5, 2026, 11:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Reducing Chemical Exposures in Nail Salons

NCT03048630
View directory record Official record
Conditions
Occupational Exposure
Interventions
Education
Behavioral
Lead sponsor
Cancer Prevention Institute of California
Other
Eligibility
18 Years and older
Enrollment
347 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Respiratory Protection During Simulated Resuscitation: a Prospective Cohort Study

NCT04591756
View directory record Official record
Conditions
Occupational Exposure
Interventions
Qualitative Fit Testing
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced Sep 5, 2026, 11:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HIV Non Occupational Post-Exposure Prophylaxis (PEP)

NCT00594646
View directory record Official record
Conditions
HIV Infections
Interventions
TRUVADA + Raltegravir
Drug
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Sep 5, 2026, 11:43 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19

NCT04435808
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Completed Early Phase 1 Interventional

Written Exposure Therapy for Nurses

NCT06432374
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Depressive Symptoms, Burn Out, Anxiety, Work Related Stress
Interventions
WET
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Sep 5, 2026, 11:43 AM EDT
Withdrawn No phase listed Observational

Rapid Acquisition of Pre- and Post-Incident Disaster Data

NCT02473770
View directory record Official record
Conditions
Biological Specimens
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Circadian Rhythm Disruption Effects on Smoke Inhalation

NCT04955431
View directory record Official record
Conditions
Inflammation, Sleep Deprivation, Circadian Rhythm Sleep Disorder, Shift Work Type, Smoke Inhalation
Interventions
Sleep Restriction, Normal Sleep
Behavioral
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 44 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Withdrawn Phase 4 Interventional

Hepatitis C Virus Post-Exposure Prophylaxis for Health Care Workers

NCT01766115
View directory record Official record
Conditions
Viral Hepatitis C
Interventions
Telaprevir
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM 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 Sep 5, 2026, 11:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparing Hearing Aid Fitting Methods in Blast-exposed Veterans

NCT06309264
View directory record Official record
Conditions
Auditory Diseases, Central
Interventions
Phonak Lumina P90
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
3
States / cities
Loma Linda, California • Sepulveda, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 5, 2026, 11:43 AM EDT
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 Sep 5, 2026, 11:43 AM EDT