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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Soccer Clear all
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Gut Microbiome Response to Long-Haul Travel in Elite Football Players

NCT07585474
View directory record Official record
Conditions
Microbial Composition, Immune Function
Interventions
Probiotic Capsule, Placebo
Drug
Lead sponsor
Sheffield Hallam University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 9, 2026, 10:23 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

COmmunities Aligned to Reduce Concussion and Head Impact Exposure

NCT06624202
View directory record Official record
Conditions
Concussions
Interventions
COmmunities Aligned to reduce Concussion and Head impact exposure (COACH) Intervention
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
11 Years to 14 Years
Enrollment
880 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evidence-based Intervention for Improved Head Impact Safety in Youth Football - Aim 1 and Aim 3

NCT04908930
View directory record Official record
Conditions
Head Injury, Sport Injury
Interventions
On-field activity group - Aim 3
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
11 Years to 14 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional

'Food, Fun, Fresh, Family' Program for Healthy Eating and Growth for Elementary-age Children.

NCT06010784
View directory record Official record
Conditions
Diet, Healthy Growth
Interventions
Family support, BGCAA's after-school program with CATCH curriculum
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
5 Years to 11 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional

Evaluation of Spot Light: A Concussion Injury Management App for Youth Sports

NCT02249533
View directory record Official record
Conditions
TBI
Interventions
Spot Light Concussion App
Other
Lead sponsor
Lara McKenzie
Other
Eligibility
10 Years to 19 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional

One Team: Changing the Culture of Youth Sport With Pregame Safety Huddles

NCT04099329
View directory record Official record
Conditions
Concussion, Brain
Interventions
Pre-game Safety Huddles
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
11 Years to 14 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 30, 2022 · Synced Sep 9, 2026, 10:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Study to Assess the Effectiveness of the Nautilus BrainPulse™ as an Aid in the Diagnosis of Concussion

NCT02660164
View directory record Official record
Conditions
Concussion
Interventions
Nautilus BrainPulse Recording
Device
Lead sponsor
Jan Medical, Inc.
Industry
Eligibility
10 Years to 25 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
4
States / cities
Fort Lauderdale, Florida • Munster, Indiana • Baton Rouge, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Results available

Study of Forceps Cannulation During ERCP

NCT05336630
View directory record Official record
Conditions
Post-ERCP Acute Pancreatitis
Interventions
Forceps
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 9, 2026, 10:23 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

NFL LONG Prospective Study

NCT04263337
View directory record Official record
Conditions
Concussion, Brain
Interventions
[11C] PiB, [18F] PBR111, [18F] Flortaucipir
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
50 Years to 70 Years · Male only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
3
States / cities
Waltham, Massachusetts • Chapel Hill, North Carolina • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Head Impact Exposure in Hawaii High School Football

NCT04020874
View directory record Official record
Conditions
Head Trauma, Cognitive Change, Confidence, Self, Sports Injuries in Children
Interventions
HuTT-2x, HuTT-4x
Behavioral
Lead sponsor
University of Massachusetts, Lowell
Other
Eligibility
14 Years to 19 Years
Enrollment
496 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ACtive Children Enhance LEaRning and AttenTION: A Randomized Controlled Trial (RCT)

NCT05794360
View directory record Official record
Conditions
Physical Inactivity
Interventions
ACtive Children Enhance LEaRning and AttenTION (ACCELERATION)
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
8 Years to 11 Years
Enrollment
257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Sep 9, 2026, 10:23 PM 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 Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional

Training for Injury Prevention in Collegiate Soccer Players

NCT03594669
View directory record Official record
Conditions
Athletic Injuries
Interventions
Intervention
Other
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Concussion Education Programs

NCT04492696
View directory record Official record
Conditions
Concussion, Brain
Interventions
Education
Other
Lead sponsor
Stanford University
Other
Eligibility
14 Years to 19 Years · Male only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2020 · Synced Sep 9, 2026, 10:23 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

JAK Signaling in Depression and Cognition in Male Football Players

NCT07608796
View directory record Official record
Conditions
Depressive Symptoms, Cognitive Symptom
Interventions
Baricitinib
Drug
Lead sponsor
Emory University
Other
Eligibility
30 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 9, 2026, 10:23 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Neck Strengthening Program for the Prevention or Mitigation of Sports Concussion

NCT03237468
View directory record Official record
Conditions
Concussion, Brain
Interventions
Neck strengthening exercise to prevent concussion
Other
Lead sponsor
CentraCare
Other
Eligibility
12 Years to 22 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Subconcussive Head Impacts on Neural Integrity and Function in ADHD

NCT04880304
View directory record Official record
Conditions
Sport Injury, Attention-deficit/Hyperactivity Disorder
Interventions
Soccer Heading
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 26 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Results available

VR-CogMoBal Training for Reducing Falls Among Older Adults With Mild Cognitive Impairment

NCT03765398
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
VR Cognitive-motor-balance training
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acupuncture in Adolescent Football Players

NCT03478800
View directory record Official record
Conditions
Acupuncture Therapy, Sports Medicine
Interventions
Acupuncture
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 18 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 8, 2018 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional

Evaluating the Impact of Focused Muscle Contraction Therapy in Retire APF Players

NCT04822311
View directory record Official record
Conditions
Chronic Pain Due to Injury, Acute Pain, Depression, Brain Injuries
Interventions
Experimental: Investigate the effects of an exercise intervention on retired APF players
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Sep 9, 2026, 10:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition for Health and Performance in Female Collegiate Soccer Players

NCT06581237
View directory record Official record
Conditions
Healthy
Interventions
Eat2Win App
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 9, 2026, 10:23 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Goal-Directed Resilience Training to Mitigate Chronic Pain in Former Football Players

NCT04107519
View directory record Official record
Conditions
Chronic Pain
Interventions
Goal-Directed Resilience Training
Behavioral
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 9, 2026, 10:23 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Sickle Cell Trait in Football Players

NCT01891877
View directory record Official record
Conditions
Sickle Cell Trait
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 19, 2014 · Synced Sep 9, 2026, 10:23 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

RHI Interval Effects on Brain Health

NCT07010887
View directory record Official record
Conditions
Repetitive Head Impacts
Interventions
Short Interval, Long Interval, BrainScope qEEG
Other · Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 35 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 9, 2026, 10:23 PM EDT