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ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:51 AM EDT

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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Whey protein isolate Clear all
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 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Ingestion Timing on Body Composition and Biochemical Markers in Resistance-trained Males

NCT05544955
View directory record Official record
Conditions
Hypertrophy, Physical Performance
Interventions
isolate whey protein prior to and immediately after resistance training, isolate whey protein 3 hours prior to and 3 hours after resistance training
Dietary Supplement
Lead sponsor
Marymount University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 20, 2026, 8:51 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Lactoferrin-enriched Whey on Iron Status in Females

NCT06232642
View directory record Official record
Conditions
Serum Ferritin
Interventions
Lactoferrin, iron and B12 in Whey Protein, Lactoferrin, Iron and B12 in Rice Protein, Lactoferrin, Iron and B12 in Maltrodextrin
Dietary Supplement
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pea vs Whey Protein Supplementation With Resistance Training on Young Adults' Strength, Body Composition, and Metabolic Parameters

NCT07420933
View directory record Official record
Conditions
Healthy Subjects
Interventions
Protein Isolate, Progressive Resistance Exercise Training (PRE)
Dietary Supplement · Behavioral
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 30 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional

Effect of Protein Intake on Post Prandial Hyperglycemia in Children and Adolescents With Type1 Diabetes Mellitus

NCT04655131
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Hyperglycemia, Postprandial
Interventions
Whey protein isolate
Dietary Supplement
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
5 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Nutritional Supplementation on Occupational Performance in Firefighters

NCT06172543
View directory record Official record
Conditions
Fatigue
Interventions
Creatine Monohydrate, Control
Dietary Supplement
Lead sponsor
Ward Dobbs
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 15, 2023 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Athlete Whey Protein Sensitivity: Prevalence and Performance

NCT05482997
View directory record Official record
Conditions
Food Intolerance
Interventions
Whey Protein Concentrate, Pea Protein Isolate, Rice Protein Concentrate, Hemp Protein
Dietary Supplement
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 20, 2026, 8:51 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 3, 2009 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast and Metabolism in Men

NCT03399812
View directory record Official record
Conditions
Aging
Interventions
Animal protein, Plant protein
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of an EAA/Whey Composition on Protein Metabolism

NCT03502941
View directory record Official record
Conditions
Sarcopenia
Interventions
6.3 g of EAAs mixture and whey protein isolate, 12.6 g of EAAs mixture and whey protein isolate, 12.6 g of whey protein isolate
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Oct 20, 2026, 8:51 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

How Animal and Plant Protein Shakes Change the Body's Nutrient and Health Responses

NCT07121010
View directory record Official record
Conditions
Cardiometabolic Health
Interventions
Animal-Based Protein Smoothie, Plant-Based Protein Smoothie, Plant-Based Protein Smoothie with Leucine
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional

Hydrolyzed Casein and Whey Protein Supplementation and the Addition of Leucine to Induce Protein Anabolism in Malnourished COPD Patients

NCT01154400
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Casein protein hydrolysates, Whey protein hydrolysates, Casein protein hydrolysates + LEU, Whey protein hydrolysates + LEU
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2012 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Growth of Infants Fed a New Formula

NCT00937014
View directory record Official record
Conditions
Infant Nutrition
Interventions
standard infant formula, Test formula
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
11 Days to 17 Days
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Newburgh, Indiana • Owensboro, Kentucky • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2013 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The DEB Pilot Study

NCT03190993
View directory record Official record
Conditions
Nutritional Physiological Phenomena, Obesity
Interventions
Sugar Sweetened Solid Treatment, Sugar Sweetened Beverage Treatment
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 20, 2026, 8:51 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Improving Metabolic & Mental Health in Female Healthcare Shift Workers

NCT06158204
View directory record Official record
Conditions
Sleep, Inadequate, Overweight and Obesity, Work Related Stress, Healthy Lifestyle
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Auburn University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Results available

Veterans Achieving Weight Loss and Optimizing Resilience-Using Protein

NCT03835416
View directory record Official record
Conditions
Prediabetes, Obesity
Interventions
Foods rich in high quality protein
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years and older · Male only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Regulation of Postprandial Nitric Oxide Bioavailability and Vascular Function By Dairy Milk

NCT02482675
View directory record Official record
Conditions
Prediabetes
Interventions
Glucose, Glucose with Non-fat Milk, Glucose with Whey Protein Isolate, Glucose with Sodium Caseinate
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Protein Source on Appetite Control, Satiety, and Subsequent Food Intake

NCT03154606
View directory record Official record
Conditions
Appetitive Behavior
Interventions
Micellar Casein (#1), Micellar Casein (#2), Calcium Caseinate, Sodium Caseinate, Milk Protein Isolate, Pure Protein Blend, Whey Protein Isolate, Native Whey Protein Isolate, Soy Protein, Pea Protein, Native Whey: Micellar Casein (50:50) blend, Carbohydrate Control
Other
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 40 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function and Bone

NCT03819478
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits, Osteopenia, Osteoporosis, Bone Loss, Fractures, Bone
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, NutraBio™ CarboMax Supplement, 6-month NutraBio™ 100% Whey Protein Isolate Supplement, 18-month NutraBio™ 100% Whey Protein Isolate Supplement
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 Jan 19, 2024 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults

NCT04048616
View directory record Official record
Conditions
Age-Related Sarcopenia, Muscle Loss
Interventions
whey protein isolate, potassium bicarbonate (KHCO3), microcrystalline cellulose, maltodextrin powder
Dietary Supplement · Other
Lead sponsor
Tufts University
Other
Eligibility
65 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of a Soy-based Meal Replacement Weight Loss Intervention to Impact Ectopic Fat

NCT01298817
View directory record Official record
Conditions
Abdominal Obesity
Interventions
Medifast meal replacement products
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 79 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Creatine Timing on Resistance Training Adaptations in College Athletes

NCT05451498
View directory record Official record
Conditions
Healthy
Interventions
Creatine, Maltodextrin
Dietary Supplement
Lead sponsor
Rocky Mountain University of Health Professions
Other
Eligibility
19 Years to 30 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Phase 2 Interventional Results available

Glutamine for the Treatment of Patients With Irritable Bowel Syndrome

NCT01414244
View directory record Official record
Conditions
Diarrhea-Predominant Irritable Bowel Syndrome
Interventions
Glutamine
Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 72 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Oct 20, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Muscle Growth Following a Resistance Training Program in Men and Women Consuming Protein Supplements

NCT03868631
View directory record Official record
Conditions
Skeletal Muscle Growth
Interventions
Whey protein supplement, Soy protein supplement
Dietary Supplement
Lead sponsor
Point Loma Nazarene University
Other
Eligibility
18 Years to 35 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Oct 20, 2026, 8:51 AM EDT