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ClinicalTrials.gov public records Last synced Sep 5, 2026, 1:56 AM EDT

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Showing 1–24 of 2,147 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Exposure Clear all
Completed No phase listed Observational Accepts healthy volunteers

A Prospective Study of Radiation Exposure to Surgeons

NCT00378053
View directory record Official record
Conditions
Radiation Exposure
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 15, 2007 · Synced Sep 5, 2026, 1:56 AM EDT
Recruiting Phase 3 Interventional

Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome

NCT07135167
View directory record Official record
Conditions
Down Syndrome (DS), Keratoconus, Pellucid Marginal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking (CXL)
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Suvorexant and Sleep's Benefits to Therapeutic Exposure for Posttraumatic Stress Disorder

NCT02849548
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
suvorexant, placebo
Drug · Other
Lead sponsor
Howard University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Sep 5, 2026, 1:56 AM EDT
Withdrawn Phase 2 Interventional

Effect of Repeated Exposures to Compressed Air on Patients With AIDS

NCT00444847
View directory record Official record
Conditions
AIDS
Interventions
Hyperbaric chamber
Device
Lead sponsor
Designed Altobaric Technology, Incorporated
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Sep 5, 2026, 1:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Exposure to Stress, Postpartum Mood, Adverse Life Events, and Hormonal Function Among Latinas (SEPAH Latina)

NCT01912833
View directory record Official record
Conditions
Postpartum Depression
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 5, 2026, 1:56 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Scalability of a Home Health Navigator Program to Reduce Arsenic, Nitrate, and Lead in Private Well Water

NCT05395663
View directory record Official record
Conditions
Pollution; Exposure
Interventions
Community health worker
Behavioral
Lead sponsor
Oregon State University
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Not applicable Interventional

Methods for Managing Intrusive Thoughts

NCT03416504
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Gradual Exposure (EXP-G), Variable Exposure (EXP-V)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Sep 5, 2026, 1:56 AM EDT
Completed No phase listed Observational

PREP (Pre-Exposure Prophylaxis) of COVID-19

NCT05461378
View directory record Official record
Conditions
Immuno-Deficiency, COVID-19
Interventions
Evusheld
Drug
Lead sponsor
Ghady Haidar
Other
Eligibility
12 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced Sep 5, 2026, 1:56 AM EDT
Completed No phase listed Observational

Incidence and Mortality of Childhood Cancer Among Children of Farmer Pesticide Applications

NCT00339378
View directory record Official record
Conditions
Pesticide Exposure
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Not listed
Enrollment
21,985 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2007
U.S. locations
3
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Phase 2Phase 3 Interventional Results available

D-cycloserine and Virtual Reality Exposure to Treat Iraq War Veterans With PTSD

NCT00356278
View directory record Official record
Conditions
Stress Disorder, Post Traumatic
Interventions
D-Cycloserine, Alprazolam, Virtual Reality Exposure Therapy, Placebo
Drug · Behavioral
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 5, 2026, 1:56 AM EDT
Not yet recruiting Not applicable Interventional

Circadian Light Exposure Adjustment for Restfulness

NCT07391852
View directory record Official record
Conditions
Sleep Onset Latency
Interventions
Amber Tinted Glasses, Clear Glasses, Smart Lightbulbs
Device
Lead sponsor
University of Arizona
Other
Eligibility
60 Months to 83 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Not applicable Interventional

An Open-Trial of Web-Prolonged Exposure (Web-PE) Among Active-Duty Military

NCT03337750
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Combat Disorders
Interventions
Web-PE Therapy
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Sep 5, 2026, 1:56 AM EDT
Withdrawn Not applicable Interventional

A Comparison of Treatment Rationales on Willingness to Tolerate Distress in Interoceptive Exposure

NCT04259190
View directory record Official record
Conditions
Anxiety Sensitivity
Interventions
interoceptive exposure
Behavioral
Lead sponsor
Gina Boullion
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
University, Mississippi
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 5, 2026, 1:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collaborative Study of 1,3 Butadiene Biomarkers

NCT00023140
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
19 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Sep 5, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Energy Dense Fueling for Cold-Weather Operations

NCT07489690
View directory record Official record
Conditions
Cold Exposure
Interventions
High Fat, High Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Healthy Normal Volunteers Looking at Exposure and Effects of Multiple Doses of Technosphere® Insulin (TI) Using the Gen2C Inhaler

NCT01490762
View directory record Official record
Conditions
Healthy
Interventions
Technosphere Insulin Inhalation Powder using the Gen2C inhaler, Regular Human Insulin
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Sep 6, 2012 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Not applicable Interventional Results available

Promoting Healthier Eating Among Children in Restaurants

NCT04334525
View directory record Official record
Conditions
Diet, Healthy
Interventions
Choice architecture + repeated exposure, Active comparator
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
4 Years to 8 Years
Enrollment
554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Trail for Intramuscular Administration of Midazolam Using An Autoinjector

NCT00534378
View directory record Official record
Conditions
Seizures
Interventions
Midazolam
Drug
Lead sponsor
U.S. Army Office of the Surgeon General
Federal
Eligibility
18 Years to 54 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 23, 2007 · Synced Sep 5, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Case Management Dyad

NCT06162897
View directory record Official record
Conditions
HIV, Pre-exposure Prophylaxis, Case Management
Interventions
Dyadic Case Management
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Woodsmoke Exposure, Influenza Infection, and Nasal Immunity

NCT06841913
View directory record Official record
Conditions
Smoke Exposure, Influenza
Interventions
LAIV nasal vaccine is chosen as a model viral infection, Wood smoke, Placebo for LAIV nasal vaccine is chosen as a model viral infection, Placebo for Wood Smoke (clean Air Exposure)
Biological · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 49 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Prostate Cancer Screening and Dietary Heterocyclic Amines in African American Men

NCT00354497
View directory record Official record
Conditions
Prostate Cancer
Interventions
physiologic testing, study of socioeconomic and demographic variables, evaluation of cancer risk factors, mutation carrier screening, study of high risk factors
Other · Procedure
Lead sponsor
Lawrence Livermore National Laboratory at University of California
Other
Eligibility
50 Years to 70 Years · Male only
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
2
States / cities
Livermore, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 5, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional

Sun Exposure and Activities After Skin Cancer: Optimization of mHealth Interventions

NCT07556380
View directory record Official record
Conditions
Melanoma (Skin Cancer)
Interventions
UV Real-Time Alerts, Track Your Sun Protection, Current Conditions, Health Coaching, Action Planning, Core Components
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Chicago, Illinois • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 5, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing "Ultraprocessed" Front-of-package Label Among Brazilian Consumers

NCT05842460
View directory record Official record
Conditions
Dietary Exposure
Interventions
Nutrient warning labels, Nutrient and ultraprocessed warning labels
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,007 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 5, 2026, 1:56 AM EDT
Not listed Phase 2 Interventional

Healthy Outcomes of Pregnancy Education

NCT00381823
View directory record Official record
Conditions
Environmental Tobacco Smoke Exposure, Depression, Partner Abuse, Tobacco Smoking
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2006 · Synced Sep 5, 2026, 1:56 AM EDT