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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Athlete Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Molecular Indicators of Systematic Fitness

NCT07393841
View directory record Official record
Conditions
Healthy Adult, Fitness Testing, Athlete, Aging, Exercise Physiology, Human Performance
Interventions
There is no intervention.
Other
Lead sponsor
VO Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of HMB, ATP, and HMB Plus ATP on Muscle Mass, Strength, and Power in Resistance Trained Athletes

NCT01508338
View directory record Official record
Conditions
Healthy Experienced Weight Training Males
Interventions
Placebo, HMB, Peak ATP and HMB, ATP
Dietary Supplement
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
18 Years to 30 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 3, 2026, 8:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sweat Sensors for Athletic Performance

NCT03566381
View directory record Official record
Conditions
Healthy Adults
Interventions
Application of a soft patch composed of medical-grade silicone that collects sweat during a subject's natural behaviors.
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Intranasal Delivery of Testosterone and Its Effect on Doping Markers

NCT02611154
View directory record Official record
Conditions
Abuse of Anabolic Steroids
Interventions
Testosterone
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

How do the Neck Muscles Influence Head Acceleration During Sport-associated Impact Events in High School Athletes?

NCT03883165
View directory record Official record
Conditions
Sport-related Concussion, Brain Concussion, Healthy
Interventions
high-intensity neck strengthening, Control group
Other
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 19 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Prospective Trial on the Effects of Vitamin D Supplementation in Collegiate Swimmers and Divers

NCT01488227
View directory record Official record
Conditions
Healthy
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Movement Assessment for Concussion Management

NCT02776904
View directory record Official record
Conditions
Healthy Athlete
Interventions
Immediate Post-concussion Assessment and Cognitive Testing, Gait with single and dual task, Y-Balance test, Psychomotor Vigilance Task
Other
Lead sponsor
University of Arkansas
Other
Eligibility
14 Years to 18 Years
Enrollment
327 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Sep 3, 2026, 8:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Normative Data for Sweating Rate, Sweat Sodium Concentration and Sweat Sodium Loss in Female Athlete

NCT06995768
View directory record Official record
Conditions
Sweat Rate
Interventions
Sweat patch
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
13 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RIIP REPS Neuromuscular Training

NCT07221305
View directory record Official record
Conditions
Neuromuscular Control, Healthy, Athletic Performance and Injury Risk
Interventions
Neuromuscular Control Training
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
14 Years to 18 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 3, 2026, 8:12 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Oral Rehydration Solutions in Healthy Adult Athletes

NCT05569044
View directory record Official record
Conditions
Hydration
Interventions
Control Group, Oral Rehydration Solution, Water
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
18 Years to 30 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 3, 2026, 8:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Molecular Optimization Via Exercise (MOVE)

NCT06540287
View directory record Official record
Conditions
Aging
Interventions
Observational
Other
Lead sponsor
Buck Institute for Research on Aging
Other
Eligibility
65 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 3, 2026, 8:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Investigator Initiated Study to Evaluate the Effectiveness of Brain Network Activation (BNA™) Technology in the Management of Sport Related Concussion

NCT01963247
View directory record Official record
Conditions
Healthy, Minor Traumatic Brain Injury (TBI)
Interventions
Not listed
Lead sponsor
ElMindA Ltd
Industry
Eligibility
11 Years to 15 Years · Male only
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 8, 2015 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Collagen Vitamin C Dose Response Performance

NCT03293004
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Hydrolyzed collagen, Vitamin C, Optimized Hydrolyzed Collagen and Vitamin C, Gummy Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of the Female Athlete Body Project (FAB)

NCT01735994
View directory record Official record
Conditions
Eating Disorders, Female Athlete Triad
Interventions
Healthy Weight, Brochure
Behavioral · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
Female only
Enrollment
481 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Administration of Clomiphene: Short and Long Term Metabolism in an Anti-Doping Setting

NCT03028532
View directory record Official record
Conditions
Sports Drug Abuse, Abuse of Steroids or Hormones
Interventions
Clomid
Drug
Lead sponsor
Stuart Willick
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Sep 3, 2026, 8:12 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Comparison Between Eccentric Hamstring Training and Sprint-Specific Training

NCT07716319
View directory record Official record
Conditions
Healthy Adult, Athlete, Exercise Training, Sport, Running, Ultrasound Imaging
Interventions
RDL, NHE, Sprint testing
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of 31P MRS to Assess Brain NAD+ in Healthy Current and Former Collegiate Athletes

NCT02721537
View directory record Official record
Conditions
Concussion, Mild
Interventions
Nicotinamide Riboside, Matching placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
2
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CD71 in Dried Blood Spots in Healthy Males

NCT04073849
View directory record Official record
Conditions
Healthy Athletes
Interventions
EPOGEN® (epoetin alfa), Normal Saline
Drug · Other
Lead sponsor
Sports Medicine Research and Testing Laboratory
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Sep 3, 2026, 8:12 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Transdermal Optical Imaging (TOI) as a Non-invasive Measure to Detect Changes in Hydration Status in Healthy Adults and Athletes

NCT06212518
View directory record Official record
Conditions
Dehydration
Interventions
GENPOP ad libitum fluid intake, GENPOP fluid restriction, ATHLETE ad libitum fluid intake, ATHLETE restricted fluid intake
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
14 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Bradenton, Florida • Chicago, Illinois • Valhalla, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Prebiotic Wellbeing Study

NCT05303753
View directory record Official record
Conditions
Digestive Health, Quality of Life
Interventions
fermented dairy protein with prebiotic fiber
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 35 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 3, 2026, 8:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Throwing Device Tracker for Youth Injury Prevention

NCT04098107
View directory record Official record
Conditions
Overuse Injury
Interventions
Throwing Device
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 14 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced Sep 3, 2026, 8:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Recovery Compression Boots on Blood Lactate Levels, Functional Movement, and Joint Ange of Motion in Collegiate Athletes.

NCT07573189
View directory record Official record
Conditions
Healthy Participants
Interventions
Compression Boots
Device
Lead sponsor
University of Redlands
Other
Eligibility
18 Years to 23 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redlands, California
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 3, 2026, 8:12 PM EDT
Completed No phase listed Observational

The Impact of Exercise-Induced Cardiac Remodeling on Myocardial Efficiency

NCT04580693
View directory record Official record
Conditions
Cardiomyopathy, Hypertrophic
Interventions
PET Scan
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 3, 2026, 8:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Improvement of Body Image Flexibility in High School Female Athletes Doing Educational About Nutrition and Body Image

NCT05222360
View directory record Official record
Conditions
Body Image, Nutrition, Healthy
Interventions
Education
Other
Lead sponsor
Rocky Mountain Sports Medicine
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Parker, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 3, 2026, 8:12 PM EDT