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ClinicalTrials.gov public records Last synced Oct 1, 2026, 4:36 PM EDT

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Showing 49–72 of 348 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: high protein diet Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Brain Fuel - Morning Nutrition and Cognitive Function

NCT03386396
View directory record Official record
Conditions
Obese, Healthy
Interventions
High protein/low carbohydrate, High carbohydrate/low protein
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
9 Years to 10 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Beneficial Effects of Healthy Snacks on Appetite Control, Satiety, and Reward-driven Eating Behavior in Young People

NCT01781286
View directory record Official record
Conditions
Obesity
Interventions
High Protein, Low Protein
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
13 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Colorectal Inflammatory Response to a Western-Style Diet

NCT00932308
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Western-style diet (WD), Prudent Diet (PD)
Dietary Supplement
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 72 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Effect of a High Protein Diet on the 24-hour Profile of Ghrelin, GH (Growth Hormone) and IGF-1 (Insulin-like Growth Factor-1)

NCT00108225
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
LoBag Diet - test phase, LoBAG Diet - control phase
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
55 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 1, 2014 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 1Phase 2 Interventional

Metabolic Effects of Non-Nutritive Sweeteners

NCT01200940
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Sucralose, Aspartame, Acesulfame-Potassium, Control
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Assessment of Mechanisms of Improved Wound Healing

NCT00673309
View directory record Official record
Conditions
Burns
Interventions
Stable Isotope Infusion study, Insulin High Dose, oxandrolone, Propranolol, Growth Hormone, Insulin Low Dose, IGF-1/IGFBP-3, Itraconazole, Growth Hormone and Propranolol, Oxandrolone and Propranolol, Placebo or Control
Procedure · Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
Up to 90 Years
Enrollment
644 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2013
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Effect of South Beach Diet (SBD™) Using SBD™ Products Compared to the American Diabetic Association (ADA) Diabetes Meal Plan on Body Weight and Satiety in Diabetic Women

NCT00931034
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
South Beach Diet with South Beach Diet Products, American Diabetes Association Diabetes Meal Plan
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Northridge, California • Bradenton, Florida • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2009 · Synced Oct 1, 2026, 4:36 PM EDT
Recruiting Not applicable Interventional

Carbohydrate Beta Cell Function and Glucose Control in Children With Diabetes

NCT05899166
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Ketogenic diet, food delivery and education, Standard diet, food delivery and education
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Feasibility Study of N-acetylcysteine for Self-injurious Behavior in Children With Autism Spectrum Disorder

NCT03008889
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
5 Years to 12 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional Results available

Optimizing Protein Patterns for Skeletal Muscle Preservation and Sleep in the Medical Management of Parkinson Disease

NCT05437640
View directory record Official record
Conditions
Parkinson Disease
Interventions
Protein Redistribution Diet, Protein Consistent Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
45 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 1, 2026, 4:36 PM 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 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional

High-protein Oral Supplement Improves Normalized Protein Catabolic Rate and Inflammation Markers

NCT05227755
View directory record Official record
Conditions
Renal Failure, Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
Soy protein isolate, Whey protein isolate
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Bone Response to Soy Isoflavones in Women

NCT00043745
View directory record Official record
Conditions
Osteopenia, Osteoporosis
Interventions
Soy isoflavones, Extract tablets
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
2
States / cities
Davis, California • Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Assessment of and Treatment Applied to Food Addiction in a Rural Healthy Behaviors Clinic

NCT03431831
View directory record Official record
Conditions
Obesity
Interventions
Intervention Control, Counselling, Contrave, Contrave and Counseling
Behavioral · Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Scottsbluff, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 1, 2026, 4:36 PM EDT
Terminated Phase 2 Interventional Results available

Bevacizumab, Metronomic Chemotherapy (CM), Diet and Exercise After Preoperative Chemotherapy for Breast Cancer

NCT00925652
View directory record Official record
Conditions
Breast Cancer
Interventions
Bevacizumab, Cyclophosphamide, Methotrexate, Lifestyle: Diet, Lifestyle: Diet+Exercise
Drug · Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
9
States / cities
Birmingham, Alabama • Indianapolis, Indiana • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Higher Protein Diet and Exercise for Optimal Weight Loss in Elderly Women

NCT00912210
View directory record Official record
Conditions
Bone and Body Composition, Obesity, Metabolic Syndrome, Physical Function, Quality of Life
Interventions
Whey protein isolate, Maltodextrin powder supplement
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
60 Years to 80 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2009 · Synced Oct 1, 2026, 4:36 PM EDT
Not yet recruiting Not applicable Interventional

Di-PKD: A Pilot Trial of Dietary Intervention in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT06786260
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 1, 2026, 4:36 PM EDT
Recruiting Not applicable Interventional

Prehabilitation in High-risk Oncologic Surgery

NCT07638410
View directory record Official record
Conditions
Pancreatic Cancer, Colo-rectal Cancer, Gastric Cancer, Esophageal Cancer, Bladder Cancer, Ovarian Cancer, Abdominal Surgery Complications
Interventions
Multidisciplinary Prehabilitation Program
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 1, 2026, 4:36 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 19, 2019 · Synced Oct 1, 2026, 4:36 PM EDT
Withdrawn Not applicable Interventional

Effect of a Plant Rich Diet on in People With Type 2 Diabetes and Obesity

NCT02977039
View directory record Official record
Conditions
Type 2 Diabetes Mellitus in Obese
Interventions
NDPR diet, USDA healthy eating diet
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Flexibility as a Biomarker of Adaptation to Diet and Exercise Challenges

NCT01987388
View directory record Official record
Conditions
Healthy Volunteers
Interventions
High Intensity Exercise, Low Intensity Exercise, High Carbohydrate Beverage, High Fat Beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
22 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 1, 2026, 4:36 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Daily Upgrade Trial

NCT07792603
View directory record Official record
Conditions
Healthy Women
Interventions
Essential Amino Acid+, Non-Calorie Placebo, High intensity Interval Training, No Exercise
Dietary Supplement · Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
25 Years to 45 Years · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 1, 2026, 4:36 PM EDT
Recruiting Not applicable Interventional

Metabolic Impact of Prospective Controlled Mediterranean Type Diets on Prostate Cancer

NCT05590624
View directory record Official record
Conditions
Prostate Cancer
Interventions
Lower-Carbohydrate Med-t-Diet, Low-Fat Med-t-Diet
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 1, 2026, 4:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Epigenetic Modifications in Obese Aging Women

NCT01977885
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
High Protein Diet, Exercise
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 25, 2015 · Synced Oct 1, 2026, 4:36 PM EDT