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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Muscle, Skeletal Clear all
Completed Phase 2 Interventional Results available

Nitrite Supplementation in Long COVID Patients

NCT05618574
View directory record Official record
Conditions
Long COVID, Cardiorespiratory Fitness
Interventions
140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Phase 3 Interventional Results available

Effect of Supplemental Vitamin D on Skeletal Muscle Function in Chronic Obstructive Pulmonary Disease (COPD) Patients

NCT00914810
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Vitamin D (cholecalciferol), Placebo
Dietary Supplement
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
40 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 1, 2026, 7:09 PM EDT
Withdrawn Not applicable Interventional

Isoleucine Addition Treatment Effects in a Controlled Diet Study

NCT07329088
View directory record Official record
Conditions
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Metabolic Syndrome (MetS), Obesity & Overweight
Interventions
L-Isoleucine, Low-isoleucine diet
Dietary Supplement · Other
Lead sponsor
Jean L. Fry
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mechanisms of Exercise Resistance in Metabolic Disease

NCT03945435
View directory record Official record
Conditions
Impaired Glucose Tolerance
Interventions
Not listed
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2019 · Synced Sep 1, 2026, 7:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Near-Infrared Spectroscopy, Acute Taurine Supplementation, and Isolated Muscular Endurance and Fatigue Resistance in Young Healthy Adults

NCT07654946
View directory record Official record
Conditions
Local Muscular Endurance and Fatigue, NIRS Skeletal Muscle Mitochondrial Capacity, Acute Taurine Supplementation
Interventions
Acute Taurine Supplementation, Acute Placebo Supplementation
Dietary Supplement
Lead sponsor
Louisiana State University and A&M College
Other
Eligibility
18 Years to 40 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Testosterone Therapy With or Without Finasteride After Spinal Cord Injury: TRT-SCI Trial

NCT07742553
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Injuries, Spinal Cord, Spinal Cord Contusion, Spinal Cord Trauma, Trauma, Nervous System, Wounds and Injuries, Spinal Cord Compression, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
testosterone cypionate, finasteride, placebo injection, placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
4
States / cities
Aurora, Colorado • Gainesville, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional

BOLD MRI as a Surrogate of Improved Muscle Oxygenation Following Endovascular Therapy for the Treatment of CLI

NCT02601430
View directory record Official record
Conditions
Peripheral Arterial Disease, Critical Limb Ischemia
Interventions
BOLD-MRI
Other
Lead sponsor
Zimmer Biomet
Industry
Eligibility
19 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioenergetics and Muscle Function Improvement With AMAZ-02 in Elderly Skeletal Muscle (ENERGIZE Trial)

NCT03283462
View directory record Official record
Conditions
Mitochondrial Function, Bioenergetics, Muscle Function, Aging
Interventions
Mitopure, Placebo
Dietary Supplement
Lead sponsor
Amazentis SA
Industry
Eligibility
65 Years to 90 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional

Effects of Nutritional Supplementation (Product 4808) on Acute Skeletal Muscle Protein Synthesis in Cancer Patients

NCT00446888
View directory record Official record
Conditions
Cancer
Interventions
Standardized Meals for Diet Stabilization, Forticare, Product 4808
Behavioral · Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
40 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2009 · Synced Sep 1, 2026, 7:09 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Exercise Training on Skeletal Muscle Metabolism in Peripheral Artery Disease (PAD)

NCT01231360
View directory record Official record
Conditions
Claudication
Interventions
Exercise Training, Normal routine
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2013 · Synced Sep 1, 2026, 7:09 PM EDT
Completed No phase listed Observational

Investigating Bone and Skeletal Muscle Interaction in Men With Prostate Cancer

NCT03386812
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years to 89 Years · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blood and Muscle Response to Cheddar Cheese in Healthy Adults

NCT04660877
View directory record Official record
Conditions
Healthy
Interventions
Cheddar Cheese, Milk
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 1, 2026, 7:09 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

The Effect of Adiposity on Muscle and Microvascular Function in HFpEF

NCT06930495
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction (HFPEF)
Interventions
Weight loss SOC Treatment with second generation anti-diabetic medications
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Recruiting No phase listed Observational

Body Composition Outcomes in MS Patients

NCT07530718
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Blood Flow, Muscle Regeneration and Sarcopenia

NCT01035060
View directory record Official record
Conditions
Sarcopenia
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2013 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Caloric Restriction and Protein Intake on Metabolism and Anabolic Sensitivity

NCT02945410
View directory record Official record
Conditions
Weight Loss, Starvation
Interventions
Caloric Restriction, Protein, Exercise, Calcium and Vitamin D, Maltodextrin
Other · Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 30 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 18, 2019 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Molecular Mechanisms Underlying Anabolic Resistance to Protein Intake During Muscle Disuse

NCT06228742
View directory record Official record
Conditions
Atrophy, Disuse, Muscle Atrophy, Muscular Disorders, Atrophic, Disuse Atrophy, Disuse Atrophy Muscle of Thigh
Interventions
Unilateral leg immobilization, Contralateral active leg
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Maternal Exercise on Infant Skeletal Muscle and Metabolomics

NCT03838146
View directory record Official record
Conditions
Exercise
Interventions
Types of Exercise
Behavioral
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2023 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Potential Synergistic Effect of Combined Blood Flow Restriction Training and Betaine Supplementation on Skeletal Muscle

NCT05790070
View directory record Official record
Conditions
Blood Flow Restriction Training, Betaine Supplementation
Interventions
Betaine, Placebo
Dietary Supplement · Other
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Sep 1, 2026, 7:09 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Influence of Aerobic Training and Weight Loss on Skeletal Muscle Inflammatory Markers and Muscle Protein Balance in Older Adults

NCT03743675
View directory record Official record
Conditions
Overweight and Obesity, Inflammation; Muscle, Sedentary Lifestyle
Interventions
Diet-Induced Weight Loss, Aerobic Exercise Training
Behavioral
Lead sponsor
Miami University
Other
Eligibility
58 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bone and Body Composition Adaptations to Physical Training

NCT06972862
View directory record Official record
Conditions
Exercise, Healthy
Interventions
Osteogenic Index Optimized Exercise Training Program
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 40 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
Lawrence, Kansas • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Investigating the Effects of Aerobic and Resistance Training in Vivo on Skeletal Muscle Metabolism in Vitro in Primary Human Muscle Cells (MoTrMyo)

NCT04334343
View directory record Official record
Conditions
Physical Activity
Interventions
Additional Muscle Biopsy Collection
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years and older
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Training and Milk Supplementation

NCT04509297
View directory record Official record
Conditions
Muscular Hypertrophy
Interventions
high protein milk, Placebo
Dietary Supplement
Lead sponsor
Marymount University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 1, 2026, 7:09 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Supplementation of Glutamine and Fish Oil Versus Placebo in Patients With Heart Failure

NCT01534663
View directory record Official record
Conditions
Heart Failure
Interventions
Glutamine and Fish Oil Supplementation, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
35 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Sep 1, 2026, 7:09 PM EDT