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ClinicalTrials.gov public records Last synced Sep 4, 2026, 7:55 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cognitive Behavioral Therapy, Sleep Initiation and Maintenance Disorders, Sleep Deprivation, Sleep Disorders, Intrinsic
Interventions
firefighter Sleep Health Coaching Intervention (ffSHC), Control (Minimally Enhanced Usual Care)
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Completed Phase 2 Interventional Accepts healthy volunteers

Promoting Healthy Lifestyles Among Firefighters

NCT00006181
Conditions
Cardiovascular Diseases, Cancer, Physical Activity, Nutrition
Interventions
Team-based intervention, One-on-one intervention
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Not listed
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2003
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smokeless Tobacco Cessation Intervention for Firefighters

NCT05111041
Conditions
Smokeless Tobacco Cessation
Interventions
#EnufSnuff.TXT- First Responder, Enough Snuff Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Diet, Mediterranean, Health Behavior, Program Sustainability, Program Effectiveness
Interventions
Mediterranean diet Intervention
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sleep Health, Stress, Anxiety, Physical Activity, Nutrition, Cognition
Interventions
Sleep enhancement intervention, Standard of Care (Investigator Choice)
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Luis Obispo, California
Conditions
Toxicant Exposure, Firefighter, Occupational Exposure to Chemicals
Interventions
Colesevelam, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Conditions
Cancer, Inflammation, Microbiome, Immune Function
Interventions
Whole Foods Plant-Based Diet, Usual Firehouse Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Recruiting No phase listed Observational Accepts healthy volunteers

Pre-malignant States to Hematologic Malignancies in Firefighters

NCT06870760
Conditions
Clonal Hematopoiesis of Indeterminate Potential, Monoclonal Gammopathy, Non Hodgkin Lymphoma, Leukemia, Multiple Myeloma, Plasma Cell Disorder
Interventions
Monoclonal Gammopathy, Complete Blood Count with differential (CBC w/ diff), Clonal hematopoiesis (CHIP)
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlotte, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cranial Electrotherapy Stimulation: Piloting a Road to PTSD Prevention in First Responders

NCT06203717
Conditions
Adults, Firefighters
Interventions
Alpha-Stim AID cranial electrotherapy stimulation
Device
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 56 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Sequencing on Outcome Measures

NCT06445491
Conditions
Muscle Weakness
Interventions
Control order, Randomized sequence
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 57 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Shreveport, Louisiana
Conditions
Coronary Atherosclerosis, Coronary Artery Calcification, Coronary Stenosis
Interventions
Aged garlic extract and Coenzyme Q10
Dietary Supplement
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
35 Years to 84 Years · Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Torrance, California
Completed Not applicable Interventional Accepts healthy volunteers

The First 20 Fire Academy Recruits Exercise Training Program

NCT03319394
Conditions
Physical Fitness
Interventions
The First Twenty, Comparison
Behavioral
Lead sponsor
Kansas State University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Manhattan, Kansas
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Treatments for Acute Stress Disorder In Firefighters

NCT00183508
Conditions
Stress Disorders, Post-Traumatic
Interventions
Cognitive behavioral therapy, Psychoeducation
Behavioral
Lead sponsor
Boston University
Other
Eligibility
21 Years to 65 Years
Enrollment
169 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Posttraumatic Stress Disorder
Interventions
Low dose MDMA-assisted therapy, Medium dose MDMA-assisted therapy, Full dose MDMA-assisted therapy, Therapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Conditions
Body Temperature Changes, Body Water Dehydration, Inflammation
Interventions
Betaine, Placebo
Dietary Supplement
Lead sponsor
Michael J. Ormsbee
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Recruiting Phase 2 Interventional Accepts healthy volunteers

Meditation to Reduce Firefighter Distress

NCT06518616
Conditions
Psychological Distress
Interventions
10-day meditation intervention, 10-day health education intervention
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

Worksite Exercise Interventions for Low Back Injury Prevention in Firefighters

NCT02362243
Conditions
Low Back Pain
Interventions
Experimental Intervention, Placebo Comparator
Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

The Healthy Heroes Study

NCT03533023
Conditions
Shift Workers' Health, Time Restricted Eating, Fasting
Interventions
Time Restricted Eating + Standard of Care, Standard of Care
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
La Jolla, California
Conditions
Cancer
Interventions
Whole Body MRI, Whole Body Ultrasound, MCD Assay, Occupational Exposure Questionnaire
Procedure · Device · Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
35 Years to 85 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Fairfax, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Rapid Heat Stress on Firefighters Musculoskeletal Injury Risk

NCT06442956
Conditions
Occupational Injuries, Heat Stress, Leg Injury, Back Injuries
Interventions
Rapid Heat Condition, Gradual Heat Condition
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 57 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Shreveport, Louisiana
Completed Phase 3 Interventional Accepts healthy volunteers

Cognitive Training for Firefighters With Tinnitus

NCT01458821
Conditions
Tinnitus
Interventions
Brain Fitness Program - Tinnitus
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers

Heartmatters Challenge - First Responders

NCT03322046
Conditions
Cardiovascular Diseases
Interventions
Lifestyle Program
Behavioral
Lead sponsor
Boston Heart Diagnostics
Industry
Eligibility
18 Years to 65 Years
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Framingham, Massachusetts
Recruiting No phase listed Observational Accepts healthy volunteers

Observational Study of Exposure to Environmental Toxicants Among Firefighters

NCT05643014
Conditions
Healthy
Interventions
Sample collection
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Fire Fighter Fatigue Management Program: Operation Fight Fatigue

NCT01672502
Conditions
Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea, Impaired Driving
Interventions
Sleep health education provided via a web-based program, Sleep disorder detection and treatment, Optimization of Sleep in Fire Station
Behavioral · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts