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ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:28 AM EDT

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Showing 697–720 of 2,164 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Exposure Clear all
Completed No phase listed Observational Accepts healthy volunteers

HPTN 073 Black Men Who Have Sex With Men (MSM) Pre-Exposure Prophylaxis (PrEP)

NCT01808352
View directory record Official record
Conditions
HIV
Interventions
Observational
Other
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years and older · Male only
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
3
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nature Exposure on Smoking Behavior

NCT03716440
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Nature exposure, Non-nature exposure
Other
Lead sponsor
University of Montana
Other
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Safety, Tolerability, Plasma Drug Levels, and Cognitive Response Following Multiple Doses of a Drug in Healthy Elderly Participants.

NCT00832052
View directory record Official record
Conditions
Healthy, Elderly
Interventions
PF-04447943
Drug
Lead sponsor
Pfizer
Industry
Eligibility
65 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2009 · Synced Oct 23, 2026, 7:28 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Nornicotine in Smokeless Tobacco as a Precursor for Carcinogen Exposure

NCT03998735
View directory record Official record
Conditions
Smokeless Tobacco
Interventions
Herbal Snuff (Smokeless Tobacco)
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 23, 2026, 7:28 AM EDT
Completed No phase listed Observational

Predictors of Exposure Success in Public Speaking Anxiety

NCT02163148
View directory record Official record
Conditions
Performance Anxiety
Interventions
Massed speech exposure session
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Assess the Lung Exposure Bioequivalence of Budesonide, Glycopyrronium, and Formoterol Delivered by BGF MDI With Next-Generation Propellant Compared With BGF MDI With HFA Propellant

NCT05477108
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Treatment A (BGF MDI HFO with oral activated charcoal), Treatment B (BGF MDI HFA with oral activated charcoal)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 60 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Results available

Panobinostat/Bortezomib/Dexamethasone in Relapsed or Relapsed-and-refractory Multiple Myeloma

NCT02654990
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Panobinostat Capsules, Bortezomib Injection, Dexamethasone tablets
Drug
Lead sponsor
pharmaand GmbH
Industry
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
9
States / cities
Fayetteville, Arkansas • Los Angeles, California • Fort Collins, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Phase 3 Interventional Results available

Effect of D-cycloserine Plus Cognitive Behavioral Therapy on People With Social Phobia

NCT00515879
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
D-cycloserine, Cognitive behavioral therapy (CBT), Placebo
Drug · Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

First Time in Human Study of Protexia

NCT00744146
View directory record Official record
Conditions
Intervention for Nerve Agent Exposure
Interventions
Protexia
Biological
Lead sponsor
PharmAthene, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 17, 2010 · Synced Oct 23, 2026, 7:28 AM EDT
Suspended Phase 1 Interventional

Testing a New Immune Cell Therapy, GD2-Targeted Modified T-cells (GD2CART), in Children, Adolescents, and Young Adults With Relapsed/Refractory Osteosarcoma and Neuroblastoma, GD2-CAR PERSIST Trial

NCT04539366
View directory record Official record
Conditions
Recurrent Childhood Neuroblastoma, Recurrent Childhood Osteosarcoma, Recurrent Neuroblastoma, Recurrent Osteosarcoma, Refractory Childhood Neuroblastoma, Refractory Childhood Osteosarcoma, Refractory Neuroblastoma, Refractory Osteosarcoma
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Cyclophosphamide, Echocardiography Test, Fludarabine Phosphate, GD2-CAR-expressing Autologous T-lymphocytes, Imaging Procedure, Magnetic Resonance Imaging of the Heart, Multigated Acquisition Scan, Questionnaire Administration
Procedure · Drug · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 40 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2040
U.S. locations
6
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional

Imaginal Exposure II Study: In-Vivo

NCT03934697
View directory record Official record
Conditions
Eating Disorder, Anorexia Nervosa, Bulimia Nervosa, Exposure
Interventions
imaginal exposure therapy
Behavioral
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 23, 2026, 7:28 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

TDCS-Augmented Prolonged Exposure Therapy

NCT04327362
View directory record Official record
Conditions
Posttraumatic Stress Disorder, PTSD, Anxiety, Depression
Interventions
Transcranial Direct Current Stimulation (tDCS), Prolonged Exposure Therapy
Device · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Pharmacodynamics of DMPA With HIV PrEP

NCT03197961
View directory record Official record
Conditions
HIV/AIDS, Contraception
Interventions
tenofovir/emtricitabine, DMPA
Combination Product · Drug
Lead sponsor
Sharon Achilles
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 23, 2026, 7:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Novel Determinants and Measures of Smokeless Tobacco Use: Study 1

NCT01067586
View directory record Official record
Conditions
Smokeless Tobacco Use, Tobacco Dependence
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Eugene, Oregon • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Oct 23, 2026, 7:28 AM EDT
Withdrawn Not applicable Interventional

Contingency Management for Smoking Cessation in Pregnant Minority Women

NCT02195570
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Quit Smoking Now (QSN), Prize-based Contingency Management (CM)
Other · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 23, 2026, 7:28 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Firefighter Collaborative Research Project

NCT05869747
View directory record Official record
Conditions
Exposure, Cardiopulmonary
Interventions
Blood Donation, Plasma Donation, Zone 2 Training, Intermittent Fasting, Surveys
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
7
States / cities
Gilbert, Arizona • Green Valley, Arizona • Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 23, 2026, 7:28 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection

NCT04372017
View directory record Official record
Conditions
COVID-19, SARS-CoV 2
Interventions
Hydroxychloroquine, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Sanford Health
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Dec 10, 2021 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional Results available

Test to Stay in School: COVID-19 Testing Following Exposure in School Communities

NCT05052580
View directory record Official record
Conditions
Covid19
Interventions
COVID-19 Testing
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
4,733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Oct 23, 2026, 7:28 AM EDT
Not yet recruiting Not applicable Interventional

A Randomized Controlled Efficacy Trial of a Telemedicine-based Virtual Reality Clinic for the Treatment of Phobias

NCT07558824
View directory record Official record
Conditions
Specific Phobia, Animal
Interventions
Telemedicine-Based Virtual Reality Exposure Therapy, Telemedicine-Based Exposure Therapy Using Photos and Videos
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS

NCT04107779
View directory record Official record
Conditions
Electronic Cigarette Use, Cigarette Use, Electronic, Tobacco Use, Tobacco Smoking
Interventions
Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS, Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette, Tobacco/Nicotine Abstention, Usual Brand of cigarettes
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
5
States / cities
Little Rock, Arkansas • Rogers, Arkansas • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional Results available

Hair Care Product Use Among Women Of Color

NCT04493892
View directory record Official record
Conditions
Breast Cancer, Pregnancy Related, Exposure During Pregnancy
Interventions
Educational Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Oct 23, 2026, 7:28 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of EMF Protection Devices on Sleep and Energy Levels

NCT07746011
View directory record Official record
Conditions
Sleep Disturbance, Insomnia, Fatigue, Electromagnetic Field Exposure
Interventions
EMF Protection
Device
Lead sponsor
Life Harmony Energies, Inc.
Industry
Eligibility
30 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 23, 2026, 7:28 AM EDT
Recruiting Not applicable Interventional

rTMS-augmented Written Exposure Therapy for PTSD

NCT05149534
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Written Exposure Therapy, repetitive transcranial magnetic stimulation
Behavioral · Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 23, 2026, 7:28 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Occupational Exposure to Human Papilloma Virus (HPV) and Prophylactic Vaccination

NCT03350698
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Gardasil-9
Biological
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
27 Years to 69 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 23, 2026, 7:28 AM EDT