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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:30 PM EDT

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Showing 313–336 of 2,162 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Exposure Clear all
Completed No phase listed Observational

Indoor Air Quality and Respiratory Morbidity in School-Aged Children With BPD

NCT04107701
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Chronic Lung Disease of Newborn, Environmental Exposure
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study

NCT02860975
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Inhaled Nitrogen
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Waterpipe Size on Smoking Behavior and Exposures

NCT05705375
View directory record Official record
Conditions
Waterpipe Size
Interventions
Waterpipe size
Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
21 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 21, 2026, 10:30 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

In Vitro Fertilization (IVF) and Prenatal Effects Independent of Genetics

NCT07296107
View directory record Official record
Conditions
Maternal Distress, Child Development
Interventions
Prenatal maternal psychosocial and biological assessment protocol
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Recruiting No phase listed Observational

Adolescent Outcomes of Post-operative Opioid EXposure

NCT06350409
View directory record Official record
Conditions
Opioid Use Disorder, Pain, Chronic
Interventions
Not listed
Lead sponsor
Sharon Levy
Other
Eligibility
12 Years to 17 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
5
States / cities
Aurora, Colorado • St. Petersburg, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study to Compare Itepekimab Exposure When Administered With an Autoinjector Versus Prefilled Syringe

NCT06114238
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Itepekimab AI, Itepekimab PFS
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Not applicable Interventional

The Effect of a Reduced Noise Environment on the Response Time of the Anesthesia Provider

NCT03507855
View directory record Official record
Conditions
Noise Exposure
Interventions
Reduced noise, Normal
Other
Lead sponsor
Joshua Uffman
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Assessment of a New "Boosting" Strategy for HIV Pre-exposure Prophylaxis in Healthy Volunteers

NCT03202511
View directory record Official record
Conditions
Pre-Exposure Prophylaxis
Interventions
Probenecid Oral Tablet, Tenofovir disoproxil fumarate/Emtricitabine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 2 Interventional Results available

The Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion Products

NCT03492463
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Nicotine patch, Placebo patch, E-cigarettes, Non-nicotine e-cigarettes
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tick-borne Illness and Clothing Study

NCT01454414
View directory record Official record
Conditions
Tick Bites, Tick-borne Illness
Interventions
Permethrin Impregnated Uniforms
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Ketamine and Prolonged Exposure in PTSD

NCT03960658
View directory record Official record
Conditions
Post-traumatic Stress Disorder
Interventions
ketamine-enhanced prolonged exposure
Drug
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Completed No phase listed Observational

Using Surveys to Examine the Association of Exposure to ML Mortality Risk Predictions With Medical Oncologists' Prognostic Accuracy and Decision-making

NCT06463977
View directory record Official record
Conditions
Oncology
Interventions
Survey
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
Not listed
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Environments as Smoking Cues: Imaging Brain Substrates, Developing New Treatments (CameraCue)

NCT01840111
View directory record Official record
Conditions
Smoking, Healthy
Interventions
Quit Smoking 6 hours, Quit Smoking 24 hours
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Noise Exposure and Near-Infrared Light

NCT03834714
View directory record Official record
Conditions
Hearing Loss, Noise-Induced
Interventions
Near Infrared Light, Noise Stimulus, Sham Near Infrared Light
Device · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Fort Rucker, Alabama • Miami, Florida • Wright-Patterson Air Force Base, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 21, 2026, 10:30 PM EDT
Active, not recruiting No phase listed Observational

A Study to Evaluate the Safety of Ozanimod Exposure During Pregnancy in Women With Multiple Sclerosis and Their Infants

NCT06133049
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Ozanimod, Select DMTs other than ozanimod, No DMTs
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
2,961 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Examining Hair to Determine Tenofovir Exposure

NCT00903084
View directory record Official record
Conditions
HIV
Interventions
Tenofovir Disoproxil Fumarate
Drug
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Oct 21, 2026, 10:30 PM EDT
Completed No phase listed Observational

Overcontrol and Suicide in PTSD

NCT06355284
View directory record Official record
Conditions
Compulsive Personality Disorder, Stress Disorders, Post-Traumatic
Interventions
Functional MRI
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 3 Interventional Results available

Dolutegravir Antiretroviral Strategy to Promote Improvement and Reduce Drug Exposure

NCT02263326
View directory record Official record
Conditions
HIV Infection
Interventions
dolutegravir, lamivudine, Continue current antiretroviral regimen
Drug
Lead sponsor
Babafemi Taiwo
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
7
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 2, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Opioid Abusers

NCT02250664
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 70 Years
Enrollment
775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Safety, Tolerability and Exposure of 4ET1103 in Healthy Human Volunteers

NCT07586514
View directory record Official record
Conditions
Neuropathic Pain
Interventions
LY4286533, placebo
Drug
Lead sponsor
4E Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 21, 2026, 10:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Transportation Choices on Commuter Health

NCT05758714
View directory record Official record
Conditions
Pollution; Exposure
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 99 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 21, 2026, 10:30 PM EDT
Completed No phase listed Observational

Prospective Evaluation of Strontium in Patients After CardioGen-82 PET MPI Scanning at Two Clinical Sites

NCT01430975
View directory record Official record
Conditions
Radiation Exposure
Interventions
CardioGen-82
Drug
Lead sponsor
Bracco Diagnostics, Inc
Industry
Eligibility
Not listed
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 25, 2012 · Synced Oct 21, 2026, 10:30 PM EDT
Not listed Not applicable Interventional

Stress-Reducing Interventions in HIV+ Patients: Pilot

NCT00599599
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, HIV Infections
Interventions
Prolonged Exposure Therapy
Behavioral
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Akron, Ohio • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2009 · Synced Oct 21, 2026, 10:30 PM EDT
Completed Phase 4 Interventional Results available

Assessing the Efficacy of Maxidex® and Patanol® for the Treatment of Allergic Conjunctivitis

NCT01119287
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Dexamethasone 0.1% ophthalmic suspension, Olopatadine hydrochloride 0.1% ophthalmic solution, Inactive ingredients, used as placebo
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 64 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2014 · Synced Oct 21, 2026, 10:30 PM EDT