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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Concussion; Syndrome Clear all
Completed Phase 2 Interventional

Hyperbaric Oxygen for Traumatic and Non-traumatic Brain Injury

NCT01986205
View directory record Official record
Conditions
Brain Injury, Chronic
Interventions
Hyperbaric Oxygen, Minimal pressure air
Combination Product
Lead sponsor
Lindell Weaver
Other
Eligibility
18 Years to 70 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Utility of Pupillary Metrics in Diagnosis and Management of Concussion in Children

NCT04540445
View directory record Official record
Conditions
Brain Concussion, Reflex, Pupillary, Post-Concussion Syndrome, Brain Injuries, Traumatic
Interventions
Pupillary Assessment
Other
Lead sponsor
Children's Hospital of Orange County
Other
Eligibility
5 Years to 17 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Building Emotional Self-Awareness Teletherapy (BEST)

NCT05623046
View directory record Official record
Conditions
Concussion, Mild, Concussion, Brain, Concussion, Severe, Concussion, Intermediate, Concussion; Syndrome, Concussion Injury of Cerebrum, Concussion with Brief Loss of Consciousness, Alexithymia
Interventions
Treatment
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 22, 2026, 11:00 AM EDT
Terminated No phase listed Observational

Hyperbaric Oxygen Therapy in Chronic Traumatic Brain Injury or Post-Traumatic Stress Disorder

NCT01105962
View directory record Official record
Conditions
Traumatic Brain Injury, Post-traumatic Stress Disorder
Interventions
Not listed
Lead sponsor
International Hyperbaric Medical Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
10
States / cities
San Francisco, California • Boulder, Colorado • Delray Beach, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Hyperbaric Oxygen Therapy for Post-Concussion Syndrome

NCT05643482
View directory record Official record
Conditions
Post-Concussion Syndrome
Interventions
Hyperbaric Oxygen Treatment, Placebo gas
Device · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Neurofeedback Technology (GZNT) for Persistent Post-Concussive Symptoms in Soldiers

NCT02509689
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Global Z-Score Neurofeedback Training
Behavioral
Lead sponsor
The Defense and Veterans Brain Injury Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Fort Carson, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Use of Salt-Water Solution to Improve Symptoms in Concussion

NCT00142090
View directory record Official record
Conditions
Brain Concussion, Post-Concussion Symptoms
Interventions
3% Hypertonic saline, Placebo
Drug
Lead sponsor
Rady Children's Hospital, San Diego
Other
Eligibility
6 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2009 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Early Phase 1 Interventional Results available

The Effectiveness of Osteopathic Manipulative Medicine in the Management of Headaches Associated With Post Concussion Syndrome

NCT04732338
View directory record Official record
Conditions
Headache, Post-Concussion Syndrome
Interventions
Osteopathic Manipulative Therapy
Other
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Jul 22, 2026, 11:00 AM EDT
Withdrawn Not applicable Interventional

Fundamental and Applied Concussion Recovery Modality Research and Development: Applications for the Enhanced Recovery

NCT05062148
View directory record Official record
Conditions
Traumatic Brain Injury, Post-Concussion Syndrome, Concussion, Brain
Interventions
Float-REST, Photobiomodulation
Other
Lead sponsor
West Virginia University
Other
Eligibility
14 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treatment for Patients With Chronic Post-Concussion Symptoms

NCT03759808
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Concussion Post Syndrome
Interventions
Psychological Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Strength and Awareness in Action: an Intervention for Post-Acute TBI Headaches (SAA-TBI)

NCT03277859
View directory record Official record
Conditions
Traumatic Brain Injury, Post-concussive Headaches
Interventions
SAA-TBI
Behavioral
Lead sponsor
VA Eastern Colorado Health Care System
Federal
Eligibility
18 Years to 55 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Jul 22, 2026, 11:00 AM EDT
Recruiting Phase 2 Interventional

Growth Hormone Replacement Therapy for Retried Professional Football Players

NCT04121780
View directory record Official record
Conditions
TBI (Traumatic Brain Injury), Concussion, Brain, Sport Injury, Anterior Pituitary Hyposecretion Syndrome, Hypopituitarism, Growth Hormone Deficiency
Interventions
Growth Hormone, Placebo
Biological · Other
Lead sponsor
Center for Neurological Studies
Other
Eligibility
18 Years to 76 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Dearborn, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Jul 22, 2026, 11:00 AM EDT
Terminated Phase 1 Interventional

Cerebrovascular Reactivity in American Football Players

NCT03417492
View directory record Official record
Conditions
Traumatic Brain Injury, Mild Traumatic Brain Injury, Post-Concussion Syndrome
Interventions
Sildenafil Citrate
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

An fMRI Study of Attention and Effort After Concussion

NCT00653029
View directory record Official record
Conditions
Post Concussive Syndrome
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Jul 22, 2026, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

MEG and DTI of Neural Function and Connectivity in Traumatic Brain Injury

NCT01298557
View directory record Official record
Conditions
Traumatic Brain Injury, Post-concussive Symptoms
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2018 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Phase 2 Interventional

Hyperbaric Oxygen Therapy (HBO2T) for Post-Concussive Symptoms (PSC) After Mild Traumatic Brain Injury (mTBI)

NCT01220713
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Post-Concussive Syndrome
Interventions
Hyperbaric Oxygen Therapy
Procedure
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
19 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
3
States / cities
Portsmouth, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2013 · Synced Jul 22, 2026, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Head Trauma on Collegiate Athletes

NCT02354469
View directory record Official record
Conditions
Cerebral Concussion, Brain Injuries
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
437 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Mindfulness Intervention in Young Adults With a Concussion History

NCT05399849
View directory record Official record
Conditions
Concussion, Brain, Concussion Post Syndrome
Interventions
Mindfulness Exercises and Meditations
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Jul 22, 2026, 11:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Retinal Imaging in Neurodegenerative Disease

NCT03233646
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis, Huntington Disease, Lewy Body Dementia, Frontotemporal Dementia, Amyotrophic Lateral Sclerosis (ALS), APOE-4 Positive, Traumatic Brain Injury, Concussion, Post-Traumatic Stress Disorder, Down Syndrome, Neuro-Degenerative Disease, Normal Cognition
Interventions
Retinal and Choroidal Imaging
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 11:00 AM EDT
Completed Not applicable Interventional

Comparing the Effect of Osteopathic Manipulative Medicine (OMM) Versus Counseling in the Treatment of Concussion

NCT02750566
View directory record Official record
Conditions
Post-Concussion Symptoms, Distorted; Balance
Interventions
Osteopathic Manipulative Treatment, Counseling
Procedure · Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Jul 22, 2026, 11:00 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Pediatric Concussion Outcomes

NCT04226365
View directory record Official record
Conditions
Concussion Post Syndrome, Headaches Posttraumatic, Mild Traumatic Brain Injury
Interventions
Nortriptyline, Placebo
Drug
Lead sponsor
Lancaster General Hospital
Other
Eligibility
13 Years to 21 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 22, 2026, 11:00 AM EDT
Recruiting Not applicable Interventional

Remotely Supervised tDCS+ for Complex Attention in mTBI (Cognetric)

NCT06413173
View directory record Official record
Conditions
Brain Concussion, Brain Trauma, Attention Concentration Difficulty, Brain Injuries, Brain Injuries, Traumatic, Neurocognitive Dysfunction, Attention Impaired, Memory Impairment, Mild Traumatic Brain Injury, Mild Cognitive Impairment, Post Concussive Symptoms
Interventions
Active tDCS and Cognitive Training Intervention, Sham tDCS and Cognitive Training Intervention
Combination Product
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
San Diego, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 22, 2026, 11:00 AM 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, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measure of Cerebrovascular Dysfunction After TBI With fNIRS

NCT01789164
View directory record Official record
Conditions
Traumatic Brain Injury, Post-concussion Syndrome
Interventions
Not listed
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 16, 2019 · Synced Jul 22, 2026, 11:00 AM EDT