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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Occupational Injuries Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of Methadone Patient Access to Collaborative Treatment: a HEAL Initiative

NCT06513728
View directory record Official record
Conditions
Opioid Substitution Treatment Clinics, Patients, Staff
Interventions
MPACT Intervention
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exercise in Gulf War Illness (GWI)

NCT01291758
View directory record Official record
Conditions
Gulf War Illness, Persian Gulf Syndrome
Interventions
Submaximal bicycle exercise stress tests performed 24 hr apart
Diagnostic Test
Lead sponsor
Georgetown University
Other
Eligibility
38 Years to 86 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational Results available

Comparing State Payer Strategies to Prevent Unsafe Opioid Prescribing

NCT03932799
View directory record Official record
Conditions
Opioid Use, Opioid-Related Disorders
Interventions
Prospective prior authorization (PA) with hard stops in Washington, Retrospective review (RR) with prescriber notification in Ohio
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
5,411 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Columbus, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Targeting Oxidative Stress in Chronic Beryllium Disease

NCT01088243
View directory record Official record
Conditions
Chronic Beryllium Disease
Interventions
Mesalamine, Placebo
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial of Trauma-awareness Training for Early Childhood Educators

NCT03303482
View directory record Official record
Conditions
Burnout, Professional
Interventions
Enhancing Trauma Awareness (Diane Wagenhals, MEd-Lakeside Global Institute)
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Jul 22, 2026, 7:41 PM 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 Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational

A Prospective Safety Follow Up Study Of Subjects Enrolled In Study A4321001 And Who Have Received Drug Product

NCT00471224
View directory record Official record
Conditions
Siderosis
Interventions
Observational Trial
Other
Lead sponsor
Pfizer
Industry
Eligibility
55 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
3
States / cities
Boston, Massachusetts • Charlotte, North Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2011 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Bi-environmental Conditions During Occupational Related Activity

NCT05059730
View directory record Official record
Conditions
Hyperthermia, Hypothermia
Interventions
Zero Degrees Cold Environment, Eight Degrees Cold Environment, Ten Degrees Cold Environment, 40 degrees Hot Environment
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 28 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alleviating Headache and Pain in GWI With Neuronavigation Guided rTMS

NCT03030794
View directory record Official record
Conditions
Gulf War Syndrome, Headache
Interventions
Repetitive transcranial magnetic stimulation, Repetitive transcranial magnetic stimulation (sham)
Device
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional

Feasibility Testing of Cognitive Strategy Training in Post-Concussive Syndrome

NCT04681742
View directory record Official record
Conditions
Brain Concussion, Post-Concussion Syndrome
Interventions
CO-OP Group
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Results available

Sleep Disordered Breathing in Gulf War Illness and the Effect of Nasal CPAP Treatment

NCT00252629
View directory record Official record
Conditions
Apnea, Sleep, Chronic Fatigue Syndrome
Interventions
Nasal CPAP treatment during sleep
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
32 Years to 52 Years · Male only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Northport, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Jul 22, 2026, 7:41 PM 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 Jul 22, 2026, 7:41 PM EDT
Not yet recruiting Not applicable Interventional

Pycnogenol (French Maritime Pine Bark) for the Treatment of Gulf War Illness

NCT07266571
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Placebo, Pycnogenol, 100mg, Pycnogenol, 200mg, Pycnogenol, 400mg, Pycnogenol, 600mg
Other · Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational

Mechanisms of Mitochondrial Defects in Gulf War Syndrome

NCT01264471
View directory record Official record
Conditions
Gulf War Syndrome, Mitochondrial Disease
Interventions
Skin biopsy, Blood Collection
Procedure
Lead sponsor
Medical Neurogenetics, LLC
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 12, 2015 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Bioness Integrated Therapy System (BITS) Touch Screen Technology to Improve Field Awareness

NCT04930822
View directory record Official record
Conditions
Stroke, Neurologic Disorder, Traumatic Brain Injury, Acquired Brain Injury
Interventions
Table Top Visual Intervention, Bioness Integrated Therapy System Visual Intervention
Other · Device
Lead sponsor
Gaylord Hospital, Inc
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Phase 3 Interventional Results available

Frontline Clinician Psilocybin Study

NCT05163496
View directory record Official record
Conditions
Burnout, Caregiver, Burnout, Professional, COVID-19, Depression, Post Traumatic Stress Disorder, Moral Injury
Interventions
Psilocybin (Usona Institute), Active placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational

Identifying Shared Genetic Susceptibility Regions in Chronic Beryllium Disease and Sarcoidosis

NCT00560989
View directory record Official record
Conditions
Sarcoidosis, Berylliosis
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fire Fighter Fatigue Management Program: Operation Healthy Sleep

NCT01988129
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea, Impaired Driving, Injuries
Interventions
Sleep disorders education and screening
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
1,189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Jul 22, 2026, 7:41 PM EDT
Recruiting Early Phase 1 Interventional

FAPI PET for Lung Fibrosis

NCT05365802
View directory record Official record
Conditions
Interstitial Lung Disease, Idiopathic Interstitial Pneumonias, Drug-Induced Pneumonitis, Hypersensitivity Pneumonitis, Radiation Pneumonitis, Pneumoconiosis, Pulmonary Fibrosis
Interventions
68Ga-FAPi-46, Computed Tomography, Positron Emission Tomography, High Resolution Computed Tomography
Drug · Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jul 22, 2026, 7:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Investigate Olfactory Functioning as a Possible Proxy for Neurotoxic Exposure in Cohorts of Deployed and Non-Deployed Gulf War-Era Veterans.

NCT00007514
View directory record Official record
Conditions
Persian Gulf Syndrome, Occupational Exposure
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 22, 2026, 7:41 PM EDT
Recruiting Early Phase 1 Interventional

GWICTIC: NAC Mechanistic Study in Gulf War Veterans

NCT04987775
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
N-Acetyl Cysteine, Placebo
Drug
Lead sponsor
Nova Southeastern University
Other
Eligibility
47 Years to 70 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
Palo Alto, California • Fort Lauderdale, Florida • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jul 22, 2026, 7:41 PM EDT
Completed Not applicable Interventional

Glutamate Neuro-Excitotoxicity in GWI

NCT03342482
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Low-glutamate diet
Other
Lead sponsor
American University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Jul 22, 2026, 7:41 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Beryllium Infliximab Study: Clinical Interventional Trial

NCT00111917
View directory record Official record
Conditions
Berylliosis, Beryllium Disease
Interventions
Infliximab, Placebo
Drug · Other
Lead sponsor
Maier, Lisa, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Jul 22, 2026, 7:41 PM EDT
Recruiting Not applicable Interventional

Driving Simulator Training For Adults With Acquired Brain Injuries

NCT07378592
View directory record Official record
Conditions
Acquired Brain Injury
Interventions
Driving Simulation Intervention, Traditional Occupational Therapy
Other
Lead sponsor
Sacred Heart University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fairfield, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Jul 22, 2026, 7:41 PM EDT