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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:18 AM EDT

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Showing 1–24 of 86 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High protein supplementation Clear all
Completed Not applicable Interventional

Fully Remote, Telehealth-based Ketogenic Metabolic Therapy for Long COVID

NCT07745699
View directory record Official record
Conditions
Long COVID Fatigue
Interventions
Ketogenic Metabolic Therapy, Lifestyle Intervention
Other · Behavioral
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

The Effect of NADPH Oxidase and Creatine Supplementation on Microvascular Blood Flow Regulation

NCT06018480
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Creatine Monohydrate, Maltodextrin (Placebo)
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calorie Restriction With Leucine Supplementation

NCT01757340
View directory record Official record
Conditions
Obesity, Menopause, Osteoporosis, Sarcopenia
Interventions
Weight loss with normal protein and leucine intake, Weight loss with protein/leucine supplementation
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Oct 19, 2026, 10:18 AM EDT
Recruiting Not applicable Interventional

Nutrition+: Effect of a High-Protein Diabetes Formula on Body Composition in Type 2 Diabetes Patients Treated With Incretin Mimetics

NCT07271043
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
protein supplement
Dietary Supplement
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Terminated Not applicable Interventional

Immunonutrition Supplementation for Improved Burn Wound Healing in Older Adults

NCT04725071
View directory record Official record
Conditions
Burn Wound
Interventions
Impact Advanced Recovery, Boost High Protein
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
55 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Oct 19, 2026, 10:18 AM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients

NCT03977207
View directory record Official record
Conditions
Thyroid; Functional Disturbance, Hypothyroidism, Hemodialysis
Interventions
Levothyroxine Sodium, Placebos
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 19, 2026, 10:18 AM EDT
Not yet recruiting Not applicable Interventional

Optimizing Adaptive Intensive Behavioral Therapy for Obesity During the Transition to Older Adulthood

NCT07446907
View directory record Official record
Conditions
Obesity & Overweight, Sarcopenia
Interventions
High Protein Diet Counceling, Standard Protein Diet Counceling, Protein Supplement, Supervised Exercise
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

Whipple Protein Study

NCT04306874
View directory record Official record
Conditions
Pancreatic Cancer, Malnutrition
Interventions
Ensure Max Protein
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Whole Body Protein Metabolism of a Whey/EAA Supplement Using Continuous Oral Stable Isotopes

NCT04612400
View directory record Official record
Conditions
Healthy
Interventions
Oral amino acid tracer
Other
Lead sponsor
University of Arkansas
Other
Eligibility
21 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Oct 19, 2026, 10:18 AM EDT
Withdrawn Phase 4 Interventional

Sustained Effect of Urticaria Remission With Relatively High Dose Vitamin D Supplementation After Omalizumab Discontinuation

NCT02742805
View directory record Official record
Conditions
Urticaria
Interventions
Vitamin D (4,000 IU/day), Vitamin D (400 IU/day), Omalizumab
Dietary Supplement · Drug
Lead sponsor
Selina Gierer, D.O.
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

A High Protein Weight Loss Intervention for Sarcopenic Obesity in Women

NCT02033655
View directory record Official record
Conditions
Weight Loss, Obesity
Interventions
Protein supplementation, Diet counseling and group education lessons
Dietary Supplement · Behavioral
Lead sponsor
Duke University
Other
Eligibility
45 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

Resistance Training and Protein Supplementation for Prostate Cancer Survivors

NCT01909440
View directory record Official record
Conditions
Prostate Cancer
Interventions
exercise intervention, nutritional supplementation, quality-of-life assessment, questionnaire administration, pharmacological study, laboratory biomarker analysis
Behavioral · Dietary Supplement · Procedure + 1 more
Lead sponsor
University of Southern California
Other
Eligibility
50 Years and older · Male only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 19, 2026, 10:18 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females

NCT07546591
View directory record Official record
Conditions
Iron Deficiencies, Low Ferritin, Iron Deficiency, Exercise Performance of Fit Athletes
Interventions
Lactoferrin 100 mg, Lactoferrin 300 mg, Iron Supplementation (5 mg)
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Active, not recruiting Not applicable Interventional

Assessing The Effects of Exercise, Protein, and Electric Stimulation On Intensive Care Unit Patients Outcomes

NCT02509520
View directory record Official record
Conditions
Muscle Weakness, Critical Illness, Sarcopenia
Interventions
MPR and High Protein Supplement (HPRO) and Neuromuscular Electric Stimulation (NMES)
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

2 Weeks of Citrulline Supplementation on Arterial Function in Postmenopausal Women With Elevated Blood Pressure or Hypertension

NCT06025383
View directory record Official record
Conditions
Menopause, Hypertension
Interventions
L-Citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 19, 2026, 10:18 AM EDT
Terminated Not applicable Interventional

Preoperative Nutrition With Immune Enhancing Nutritional Supplement (Immunomodulation)

NCT02838966
View directory record Official record
Conditions
Pancreatic Adenocarcinoma
Interventions
Nestle IMPACT Advanced Recovery, Nestle Boost High Protein Drink
Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

Effect of Increased Enteral Protein on Body Composition of Preterm Infants

NCT03586102
View directory record Official record
Conditions
Premature Infant
Interventions
High protein supplementation, Standard protein supplementation
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 21 Days
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Phase 2 Interventional Results available

L-Arginine Supplementation With or Without Enzyme Inhibitors Treating Erectile Function of Prostate Cancer Survivors

NCT01105130
View directory record Official record
Conditions
Male Erectile Disorder, Prostate Cancer, Radiation Toxicity
Interventions
Placebo, Oral L-Arginine
Other · Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional

Progressing Home Health Rehabilitation for Older Adults

NCT02905370
View directory record Official record
Conditions
Older Adults, Physical Deconditioning
Interventions
Progressive Multi-Component (PMC), Enhanced Usual Care (EUC)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
65 Years to 100 Years
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Soy Supplementation and Gestational Diabetes

NCT02806739
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Soy Group (Soy Protein + Isoflavones), Control Group (Minimize Soy Intake)
Dietary Supplement
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 19, 2026, 10:18 AM 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 12, 2020 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Return of First-phase Insulin Secretion in Type 2 Diabetes is Associated With Depletion of Pancreas Lipid

NCT03430310
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Low Glycemic Diet, Control Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
35 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Phase 3 Interventional Results available

LiveSMART Trial to Prevent Falls in Patients With Cirrhosis

NCT05794555
View directory record Official record
Conditions
Cirrhosis, Liver, Portal Hypertension
Interventions
Enhanced Usual Care, Lactulose, Investigator recommended exercise, TeleTai-Chi (virtual)
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 19, 2026, 10:18 AM EDT
Completed Not applicable Interventional Results available

Nutritional Perihabilitation in Older Veterans Undergoing Surgery

NCT03073811
View directory record Official record
Conditions
Malnutrition, Nutritional Risk, Abdominal Surgery
Interventions
Protein enhanced nutrition intervention, Education Control
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 19, 2026, 10:18 AM EDT