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ClinicalTrials.gov public records Last synced Oct 3, 2026, 10:59 AM EDT

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Showing 25–48 of 146 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Whole Body Protein Metabolism Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

Obesity, Inflammation and Oxidative Stress

NCT01028976
View directory record Official record
Conditions
C-reactive Protein, Inflammation, Obesity, Oxidative Stress
Interventions
Vitamin C (ascorbic acid), Placebo tablet
Dietary Supplement
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Balanced (Egg) Protein During Obesity Reduction: Differential Responses of Insulin Resistance by Race

NCT03771261
View directory record Official record
Conditions
Pre Diabetes, Obesity
Interventions
Weight Loss, Egg Protein
Behavioral · Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2023 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Exercise and Protein During Weight Loss

NCT03600311
View directory record Official record
Conditions
Weight Loss, Starvation
Interventions
Caloric Restriction, Post-Exercise Protein, Energy Balance, Post-Exercise Carbohydrate, Calcium and Vitamin D
Other · Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Beneficial Effects of a Protein-rich Breakfast on Appetite Control & Cognition in Overweight and Obese Adolescents

NCT01192100
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Breakfast Skipping, Normal Protein Breakfast Meals, Protein-rich Breakfast Meals
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
15 Years to 20 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Growth Hormone as a Determinant of Weight Regulation

NCT00355784
View directory record Official record
Conditions
Obesity
Interventions
overfeeding, growth hormone treatment
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 1, 2016 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Body Composition, and Sleep

NCT03603041
View directory record Official record
Conditions
Sleep, Body Composition, Strength, Insulin Sensitivity, Energy Expenditure
Interventions
Whey protein, Omega-3 fatty acids
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
Up to 85 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 3, 2026, 10:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fast Food Study: Assessment of the Effects of Fast-Food on Inflammatory Markers

NCT00233311
View directory record Official record
Conditions
Heart Diseases, Diabetes, Obesity
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
50 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 6, 2012 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Calorie Restriction on Accumulation of Old, Modified Proteins in Abdominally Obese Adults

NCT01497106
View directory record Official record
Conditions
Insulin Resistance
Interventions
Calorie Restriction, Control (normal living)
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
45 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 26, 2014 · Synced Oct 3, 2026, 10:59 AM EDT
Completed No phase listed Observational

Effect of the Level of Dietary Protein on Body Composition

NCT01489098
View directory record Official record
Conditions
Growth Acceleration
Interventions
Not listed
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
2 Years to 6 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Iowa City, Iowa • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Protein on Musculoskeletal Health During Calorie Deficiency

NCT01292395
View directory record Official record
Conditions
Weight Loss, Muscle Loss, Bone Loss
Interventions
Dietary Protein Intake
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 42 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Source, Nutrition Messaging, and Food Intake

NCT03083145
View directory record Official record
Conditions
Obesity
Interventions
Whey Protein Beverage, Pea Protein Beverage, Snack Tray Choices
Dietary Supplement · Behavioral
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Oct 3, 2026, 10:59 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Prevention of Postoperative Nausea and Vomiting After Bariatric Surgery

NCT04644445
View directory record Official record
Conditions
Bariatric Surgery Candidate, Postoperative Nausea and Vomiting, Morbid Obesity
Interventions
Bariatric Full Liquid Diet
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Protein Weight Loss for Seniors

NCT02730988
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Weight Stable Group
Behavioral
Lead sponsor
Wake Forest University
Other
Eligibility
65 Years to 79 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 4 Interventional

A Very High Fiber Diet Versus a Low-carbohydrate Diet for Weight Loss

NCT01051674
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
High fiber vs. low-carbohydrate diets
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2014 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Muscle Protein Metabolism in Obesity

NCT01824173
View directory record Official record
Conditions
Obesity
Interventions
Increase in the levels of plasma amino acids, Aerobic exercise
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Evaluating the Effects of an Oral Protein Supplement on Children's Growth Patterns

NCT06329388
View directory record Official record
Conditions
Growth Disorders, Dietary Exposure, Child Development, Bone Development Abnormal, Body Weight, Child Malnutrition
Interventions
TruHeight Growth Protein Shake
Dietary Supplement
Lead sponsor
TruHeight Vitamins
Industry
Eligibility
4 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nighttime Protein Intake on Overnight Lipolysis and Morning Fat Oxidation in Obese Men

NCT02211391
View directory record Official record
Conditions
Obesity
Interventions
Casein Protein, Non-caloric placebo
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2015 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Effects of a High Protein Diet on Clinical Outcomes in Heart Failure

NCT01423266
View directory record Official record
Conditions
Heart Failure, Diabetes Mellitus
Interventions
12-week supervised weight loss intervention
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Protein-Enriched Meal on Liver, Kidney or Bone: a Randomized Controlled Trial

NCT01030354
View directory record Official record
Conditions
Weight Reduction, Obesity, Weight Management
Interventions
Herbalife Meal Replacements
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
30 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Effect of Exercise on Elevated C-reactive Protein Concentrations in Formerly Inactive Adults

NCT00113061
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Obesity
Interventions
Exercise
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 29, 2016 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a High Protein, High Fiber Dietary Supplement on Weight and Fat Loss

NCT03057873
View directory record Official record
Conditions
Overweight
Interventions
High protein, high fiber dietary supplement, Placebo
Dietary Supplement
Lead sponsor
Beachbody
Industry
Eligibility
25 Years to 50 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Protein Supplementation on Lean Body Mass Recovery From Extreme Military Training

NCT02057094
View directory record Official record
Conditions
Military Operational Stress Reaction, Malnutrition (Calorie), Weight Loss, Muscle Wasting
Interventions
Protein, High-Protein, and Control
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Marine Corps Base Camp Lejeune, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 3, 2026, 10:59 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin K and Glucose Metabolism in Children at Risk for Diabetes (Vita-K 'n' Kids Study)

NCT01972113
View directory record Official record
Conditions
Obesity, Insulin Resistance, Insulin Sensitivity, Prediabetes, Dyslipidemia, Diabetes
Interventions
Placebo-Control, Low-Dose Vitamin K2 (menaquinone-7; 45 mcg/d), High-Dose Vitamin K2 (menaquinone-7; 90 mcg/d)
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
8 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function

NCT03074643
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, Carbohydrate supplement for months 0-6, Protein supplement for months 0-6, Protein supplement for follow-up months 7-18
Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Oct 3, 2026, 10:59 AM EDT