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ClinicalTrials.gov public records Last synced Oct 1, 2026, 6:50 PM EDT

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Showing 49–72 of 306 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: low protein diet Clear all
Completed Phase 1 Interventional

Geriatric Recovery Using Inpatient and Post-hospitalization Supplementation

NCT03904615
View directory record Official record
Conditions
Aging
Interventions
Whey Protein, Collagen Protein, Placebo
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
65 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 1, 2026, 6:50 PM EDT
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, 6:50 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, 6:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Meal-based Comparison of Protein Quality, Complementary Proteins and Muscle Anabolism

NCT03816579
View directory record Official record
Conditions
Protein, Diet, Skeletal Muscle
Interventions
PRO-A, PRO-B, PRO-C
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
45 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Oct 1, 2026, 6:50 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, 6:50 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, 6:50 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, 6:50 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, 6:50 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, 6:50 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, 6:50 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Renal Metabolism of Glycolate to Oxalate

NCT04437225
View directory record Official record
Conditions
Healthy
Interventions
Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate, Oral bolus administration of 13C2-Glycolate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 1, 2026, 6:50 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, 6:50 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, 6:50 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Oral Intake During Labor

NCT03276741
View directory record Official record
Conditions
Labor Complication, Food Aspiration, Complication of Anesthesia, Satisfaction
Interventions
gastric soft/bland diet
Dietary Supplement
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2020 · Synced Oct 1, 2026, 6:50 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, 6:50 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, 6:50 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, 6:50 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, 6:50 PM EDT
Completed Phase 4 Interventional Results available

Exenatide Inpatient Trial: A Randomized Controlled Pilot Trial on the Safety and Efficacy of Exenatide (Byetta®) Therapy for the Inpatient Management of Patients With Type 2 Diabetes

NCT02455076
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Exenatide, Glargine, Rapid-acting insulin analogs
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 1, 2026, 6:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 1, 2026, 6:50 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, 6:50 PM EDT
Completed Phase 2 Interventional

Effectiveness of a Low Carbohydrate Diet Versus a High Carbohydrate Diet in Promoting Weight Loss and Improved Health

NCT00200720
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
Atkins diet (low carbohydrate diet), DASH diet (high carbohydrate diet)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 6, 2012 · Synced Oct 1, 2026, 6:50 PM EDT
Completed Not applicable Interventional Results available

The BRAINFOOD Trial to Prevent Recurrent Hepatic Encephalopathy.

NCT04675775
View directory record Official record
Conditions
Cirrhosis, Ascites, Liver Diseases, Frailty, Sarcopenia, Hepatic Encephalopathy
Interventions
Medically-tailored meals (MTM), Protein supplements, Nutrition education handout
Other · Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 1, 2026, 6:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Carbohydrate vs. Low Carbohydrate Diet in Type 2 Diabetes

NCT04416204
View directory record Official record
Conditions
Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
glycogen loading, No Glycogen Loading
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 1, 2026, 6:50 PM EDT