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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: High Protein Breakfast Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Protein and Fiber at Breakfast on Appetite, Blood Sugar, and Cholesterol

NCT02169245
View directory record Official record
Conditions
Brain Activity, Appetite, Ingestive Behavior, Glucose Control, Cholesterol
Interventions
Dietary control of protein and fiber intake at breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
West Lafayete, Indiana • West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Biomarkers for Predicting Macronutrient Intake

NCT06582381
View directory record Official record
Conditions
Glucose Metabolism, Amino Acid Metabolism
Interventions
Meal set A, Meal set B, Meal set C, Meal set D
Other
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of ALXN1840 (Non-coated) Administered With And Without Omeprazole In Healthy Adults

NCT05319899
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Reduction of Breast Cancer Risk

NCT00917735
View directory record Official record
Conditions
Breast Cancer
Interventions
Green tea extract supplement, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
1,075 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
5
States / cities
Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2016 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Avocado and Postprandial Responses

NCT06818032
View directory record Official record
Conditions
Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult, Healthy Male and Female Subjects, Healthy Subjects, Healthy Volunteers Only, Healthy Non-smokers
Interventions
Negative control, Avocado, Fat and fiber addition
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycomacropeptide and Women's Health

NCT05551091
View directory record Official record
Conditions
Obesity
Interventions
glycomacropeptide (GMP)
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 90 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2022 · Synced Sep 4, 2026, 7:27 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 8, 2014 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining Dietary Pattern Accompanying Egg Intake Using Remote Food Photography Method

NCT03404700
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Insulin Resistance
Interventions
Egg breakfast, Egg breakfast with high saturated fat, Cereal breakfast, Cereal breakfast with high saturated fat
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Results available

Extended Bolus for Meals in a Closed-loop System

NCT05454891
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Tandem t:slim X2 insulin pump: Extended bolus of insulin then standard bolus of insulin, Tandem t:slim X2 insulin pump: Standard bolus of insulin then extended bolus of insulin
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 19 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of ALXN1840 (Coated and Non-coated) Administered With And Without Omeprazole In Healthy Adults

NCT05319912
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840 Enteric-coated Tablet, ALXN1840 Non-coated Capsule, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Results available

Ketogenic Diet (KD) in Alcoholism

NCT03255031
View directory record Official record
Conditions
Alcoholism
Interventions
Ketogenic Diet (KD), Standard American (SA) Meals and Shakes
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Redox Imbalance and the Development of Cystic Fibrosis Diabetes

NCT02202876
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Cystic Fibrosis
Interventions
Oral Glucose Tolerance Test, High Glycemic Index Meal, Low Glycemic Index Meal, Test Soda, Fruit juice
Other
Lead sponsor
Emory University
Other
Eligibility
1 Year and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 4, 2026, 7:27 AM 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 2, 2009 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Embracing Morning BReakfast and Activity for Classroom Engagement

NCT06555627
View directory record Official record
Conditions
Child Development
Interventions
High Protein Breakfast, Morning Exercise, High Carb Breakfast
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
6 Years to 11 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 4, 2026, 7:27 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Whey Protein Effects on Gycemic Control and Vascular Function

NCT01814358
View directory record Official record
Conditions
Blood Sugar (Glucose) Control, Blood Vessel (Vascular) Dysfunction
Interventions
Whey protein powder, Control protein
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional

Low Carbohydrate/High Protein Diet to Improve Metabolic Health

NCT03207841
View directory record Official record
Conditions
Spinal Cord, Metabolic Syndrome, Diabetes
Interventions
LC/HP
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Quality Protein for Assisting With Weight Loss

NCT03085511
View directory record Official record
Conditions
Obesity
Interventions
Egg breakfast (EB), Weight Loss Counseling, Weight Loss Diet, Cereal Breakfast (CB)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2019 · Synced Sep 4, 2026, 7:27 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein Intake During GLP-1 Medication Use (in Middle-aged Women With Overweight/Obesity)

NCT07480109
View directory record Official record
Conditions
Obesity, Women (Between 30 to 60 Years Old)
Interventions
Protein Rich Foods
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 4, 2026, 7:27 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 3, 2019 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional

Effects of Lean Pork, High Protein Breakfast on Satiety and Metabolic Health in Pre-diabetes

NCT02934425
View directory record Official record
Conditions
Pre-diabetes
Interventions
Refined carbohydrate-rich breakfast, High pork protein breakfast
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 74 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effect of Egg-Based High Protein Meal on Hypertensive Response to Exercise

NCT03073252
View directory record Official record
Conditions
Blood Pressure, Cardiovascular Risk Factor
Interventions
Normal Protein, HIgh Protein
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 121 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 4, 2026, 7:27 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 20, 2021 · Synced Sep 4, 2026, 7:27 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Effects of a High Protein Breakfast on Appetite and Sleep in Young Adults

NCT03031132
View directory record Official record
Conditions
Appetite and General Nutritional Disorders
Interventions
HP-Beverage Breakfast, HP-Solid Breakfast, Breakfast Skipping
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 32 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 4, 2026, 7:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preserving Muscle Mass and Function in Bedridden Older Adults

NCT01846130
View directory record Official record
Conditions
Bed Rest
Interventions
Leucine, Exercise, Whey protein
Dietary Supplement · Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
60 Years to 80 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Sep 4, 2026, 7:27 AM EDT