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ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:33 AM EDT

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Showing 1–24 of 1,027 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Protein Diet Clear all
Terminated Not applicable Interventional

To Evaluate SBI in the Dietary Management of Mild to Moderate Crohn's Disease

NCT02649075
View directory record Official record
Conditions
Crohn's Disease
Interventions
Serum-derived Bovine Immunoglobulin / Protein Isolate, Placebo
Other
Lead sponsor
Entera Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
North Little Rock, Arkansas • Hollywood, Florida • Winter Park, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Phase 2 Interventional Results available

Kuvan Therapy in Phenylketonuria (PKU): The Effect of Blood Phenylalanine Concentration on Kuvan Response

NCT00841100
View directory record Official record
Conditions
Phenylketonuria
Interventions
Kuvan, Diet
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
4 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Effects of Different Weight Loss Diets

NCT00422630
View directory record Official record
Conditions
Metabolic Syndrome X, Obesity, Insulin Resistance, Hypertension, Diabetes
Interventions
The DASH diet, The low glycemic Index Diet, Reduced calorie American Diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2011 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CLA and Vitamin D on Protein Turnover

NCT03115775
View directory record Official record
Conditions
Protein
Interventions
Conjugated linoleic acid, Vitamin D, Conjugated linoleic acid and Vitamin D, Corn oil (placebo)
Dietary Supplement · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
65 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Oct 24, 2026, 6:33 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 24, 2026, 6:33 AM EDT
Completed Phase 2Phase 3 Interventional

Low Glycemic Load Diets in Latino Children at Risk for Type 2 Diabetes

NCT01068197
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Low Glycemic Load Diet versus Low Fat Diet
Behavioral
Lead sponsor
Nazrat Mirza
Other
Eligibility
7 Years to 14 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2014 · Synced Oct 24, 2026, 6:33 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Healthy Diet and Lifestyle Study II

NCT05132686
View directory record Official record
Conditions
Intra-Abdominal Fat
Interventions
IER+MED, MED/DER
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
35 Years to 69 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Acute Weight Gain and Acute Calorie Deprivation on Marrow Adipose Tissue

NCT02482519
View directory record Official record
Conditions
Healthy
Interventions
High calorie diet, Fasting
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Phase 1 Interventional

Physiological Effects of Grape Seed Extract in Diastolic Heart Failure

NCT01185067
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease, Heart Failure With Preserved Ejection Fraction, Hypertension, Oxidative Stress
Interventions
grape seed extract (MegaNatural BP, Polyphenolics, Inc.)
Drug
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Oct 24, 2026, 6:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

An Open-Label, Two-Arm Pilot Study of the Tolerability, Consumer Acceptability, and Exploratory Well-Being Outcomes of a Multi-Ingredient Protein Formula in Two Flavors in Healthy Adults

NCT07827014
View directory record Official record
Conditions
Healthy
Interventions
Vanilla Protein Formula, Chocolate Protein Formula
Dietary Supplement
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 24, 2026, 6:33 AM EDT
Recruiting Not applicable Interventional

Effects of Ketosis on Brain Function in Patients With T1DM

NCT04219709
View directory record Official record
Conditions
Type1diabetes
Interventions
Very low carbohydrate diet, Standard carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 24, 2026, 6:33 AM EDT
Recruiting Not applicable Interventional

FEED-Cystic Fibrosis (FEED-CF)

NCT05766774
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes
Interventions
Low-added sugar, high-fat diet, High-added sugar, high-fat CF diet
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 24, 2026, 6:33 AM EDT
Terminated Not applicable Interventional Results available

Women With Chest Pain and Normal Coronary Arteries Study

NCT00743197
View directory record Official record
Conditions
Chest Pain
Interventions
Aspirin, Lisinopril, Simvastatin, Lovaza, Therapeutic Lifestyle Changes
Drug · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
30 Years to 90 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional

Heart Obesity Prevention Education

NCT02092545
View directory record Official record
Conditions
Obesity
Interventions
Ketogenic diet
Other
Lead sponsor
Tampa General Hospital
Other
Eligibility
25 Years to 64 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2014 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Baby-Feed Web Application for Infant Caregivers to Improve Diets and Weight Gain

NCT05990439
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Baby-Feed, Limited access to the Baby-Feed web application
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
1 Month to 3 Months
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Flavonoids on Intestinal Microbiota, Intestinal Inflammation and Metabolic Syndrome

NCT02728570
View directory record Official record
Conditions
Metabolic Syndrome X, Inflammation
Interventions
High Dietary Flavonoids, Low Dietary Flavonoids
Other
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional

Feeding Trial to Determine How Combinations of Different Dietary Bioactive Ingredients Influence High Density Lipoprotein (HDL) Metabolism

NCT01803594
View directory record Official record
Conditions
Dyslipidemia
Interventions
Krill Oil, Lutein, Nicotinic acid, Dairy phospholipids, Control
Dietary Supplement · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2022 · Synced Oct 24, 2026, 6:33 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Graded Protein Intake on Body Composition in Older Adults

NCT04845282
View directory record Official record
Conditions
Sarcopenia
Interventions
Graded Protein plus Resistance Training, RDA Protein plus Resistance Training
Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
55 Years to 110 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of an Arabinogalactan Product

NCT04005924
View directory record Official record
Conditions
Postprandial Blood Glucose
Interventions
arabinogalactan
Other
Lead sponsor
Biofortis, Merieux NutriSciences
Industry
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Consuming Palm Oil With Different Macronutrient Intakes on Blood Lipids

NCT02922062
View directory record Official record
Conditions
Cardiovascular Diseases, Inflammation
Interventions
Canola Oil, Palm Oil, Butter
Other
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 24, 2026, 6:33 AM EDT
Recruiting Not applicable Interventional

Whey Protein Ingestion and Glucose Control in Pre- and Post Diabetic Individuals

NCT06694155
View directory record Official record
Conditions
Prediabetes / Type 2 Diabetes
Interventions
Whey Protein Isolate Crossover, Placebo
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Placebo Controlled Clinical Study of an Oral Product in Subjects With Menopausal Symptoms

NCT06787443
View directory record Official record
Conditions
Menopausal Symptoms
Interventions
Placebo, Dietary Supplement with Proprietary Herbal Extract Blend and GABA
Dietary Supplement
Lead sponsor
Olly, PBC
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 24, 2026, 6:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of High Fat Diet on Muscle Metabolism

NCT02328235
View directory record Official record
Conditions
Diabetes
Interventions
High Saturated Fat Diet
Other
Lead sponsor
Kevin Davy
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 24, 2026, 6:33 AM EDT