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ClinicalTrials.gov public records Last synced Oct 23, 2026, 4:42 AM EDT

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Showing 649–672 of 2,164 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Exposure Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Evaluation of Tenofovir/Emtricitabine as HIV Pre-Exposure Prophylaxis in Transgender Women

NCT03270969
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir Disoproxil Fumarate/Emtricitabine
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 23, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environment and Reproductive Health; Human Exposure to Bisphenol A, Phthalates and Fertility and Pregnancy Outcomes

NCT00011713
View directory record Official record
Conditions
Infertility
Interventions
Completion questionnaires/providing biological samples
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2020 · Synced Oct 23, 2026, 4:42 AM EDT
Completed No phase listed Observational

Initial Development and Dissemination of OC-Go

NCT03126305
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
OC-Go
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
9 Years to 17 Years
Enrollment
8 participants
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Using a Structured Tobacco Cessation Education Program

NCT00683228
View directory record Official record
Conditions
Secondhand Smoke Exposure
Interventions
Counseling
Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
1 Day to 15 Days
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use and Harm Exposure in New Low Nicotine Cigarettes

NCT01202942
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Quest
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pre-Exposure Prophylaxis in YMSM

NCT01033942
View directory record Official record
Conditions
HIV
Interventions
coformulated emtricitabine (FTC) and tenofovir disoproxil fumarate (TDF) as PrEP, Placebo, Many Men, Many Voices (3MV)
Drug · Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 22 Years · Male only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 23, 2026, 4:42 AM EDT
Completed 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
1,074 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 23, 2026, 4:42 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Voices Illuminating Solutions for Outdoor Workers' Needs and Safety

NCT07713264
View directory record Official record
Conditions
Air Pollution Exposure
Interventions
Receive education on heat and air quality health risks, Participate in Photovoice and climate health risk education
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 23, 2026, 4:42 AM EDT
Not listed Not applicable Interventional

Augmented Interoceptive Exposure Training in Anorexia Nervosa

NCT03019081
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Isoproterenol, placebo
Drug · Other
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 40 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 23, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Workforce Serosurveillance to Track Long-term Modifications to COVID-19 Exposure Due to Factors in the Built Environment

NCT04542200
View directory record Official record
Conditions
Covid19
Interventions
Antibody testing
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
40,132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2023 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Not applicable Interventional Results available

Effect of Increased Light Exposure on Fatigue in Breast Cancer

NCT00478257
View directory record Official record
Conditions
Breast Cancer
Interventions
bright white light, comparator red light treatment
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Oct 23, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PrEP With TDF/FTC to Prevent HIV-1 Acquisition in Young MSM and Transgender Women of Color

NCT02367807
View directory record Official record
Conditions
HIV
Interventions
Emtricitabine and tenofovir disoproxil fumarate
Drug
Lead sponsor
Philadelphia Fight
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Oct 23, 2026, 4:42 AM EDT
Active, not recruiting No phase listed Observational

Pre-post Evaluation of the Safety and Efficacy of Ibogaine-Magnesium Therapy in Veterans With Repeated Blast Exposure

NCT04313712
View directory record Official record
Conditions
Blast or Combat Exposure, Head Injury Trauma
Interventions
ibogaine with magnesium treatment
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Drug Exposure of Single Ascending Doses of BMS-986369 and the Effect of Food on the BMS-986369 in Healthy Participants

NCT05350800
View directory record Official record
Conditions
Healthy Volunteer
Interventions
BMS-986369
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 23, 2026, 4:42 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 9, 2017 · Synced Oct 23, 2026, 4:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Sleep Improvement Via Environmental Smart Temperature Adjustments

NCT06770400
View directory record Official record
Conditions
Sleep, Environmental Exposure, Environmental Sleep Disorder
Interventions
Temperature Optimized for Sleep, Participant's Preferred Temperature
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 23, 2026, 4:42 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Neurodevelopmental ouTcomes After Prenatal Cannabinoid in uTero Exposure

NCT06423664
View directory record Official record
Conditions
Developmental Delay
Interventions
Play and Learn Strategies (PALS) Program
Behavioral
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
Up to 7 Days
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Albuquerque, New Mexico • Sioux Falls, South Dakota • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Oct 23, 2026, 4:42 AM EDT
Not yet recruiting Early Phase 1 Interventional

Predictors & Mechanisms of Adolescent PTSD

NCT07537764
View directory record Official record
Conditions
Posttraumatic Stress Disorder (PTSD), Trauma Exposure
Interventions
Repeated imaginal exposure: Script Driven Imagery (SDI) task
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
14 Years to 18 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 23, 2026, 4:42 AM EDT
Completed Not applicable Interventional Results available

Integrated CBT-I and PE on Sleep and PTSD Outcomes (Impact Study)

NCT02774642
View directory record Official record
Conditions
Posttraumatic Stress Disorders, Chronic Insomnia
Interventions
CBTI-PE, Hygiene-PE
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
19 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 23, 2026, 4:42 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Adaptations of the Brain in Chronic Pain With Opioid Exposure I

NCT05203770
View directory record Official record
Conditions
Chronic Back Pain, Opioid Use
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Oct 23, 2026, 4:42 AM EDT
Not listed Not applicable Interventional

Light Exposure on Pain in Hypermobile Ehlers-Danlos Syndrome

NCT05561270
View directory record Official record
Conditions
Ehlers-Danlos Syndrome, Pain, Chronic
Interventions
White LED light, Green LED light
Device
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Oct 23, 2026, 4:42 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 5, 2023 · Synced Oct 23, 2026, 4:42 AM EDT
Terminated No phase listed Observational

Survey of Human Rabies Immune Globulin Safety in Children

NCT05382650
View directory record Official record
Conditions
Rabies, Rabies Human, Rabies Virus Infection, Pediatrics
Interventions
Human rabies immune globulin 300 IU/mL
Biological
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
Up to 17 Years
Enrollment
35 participants
Timeline
2023 – 2025
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 23, 2026, 4:42 AM EDT
Recruiting Not applicable Interventional

Addressing Tetrachloroethylene Exposure in an Impacted Community

NCT05819996
View directory record Official record
Conditions
Vapors; Inhalation, Cancer, Volatile Organic Compounds
Interventions
Environmental educational campaign
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 99 Years
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 23, 2026, 4:42 AM EDT