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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:57 PM EDT

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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Protein isolate Clear all
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 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Isoflavones for Promoting Calcium Absorption and Preventing Bone Loss in Post Menopausal Women

NCT00244907
View directory record Official record
Conditions
Osteoporosis, Osteopenia
Interventions
Genistein vs Risedronate
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 4, 2018 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Lactose, Fructose, Sucrose, Whey Protein, and Soy Protein on Substrate Absorption and Oxidation: a Pilot Study

NCT00942513
View directory record Official record
Conditions
Substrate Absorption, Substrate Oxidation, Glucose Regulation
Interventions
trt 1, trt 2, trt 3, trt 4, trt 5, trt 6, trt 7
Other
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
25 Years to 65 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2011 · Synced Oct 19, 2026, 2:57 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Monosodium Glutamate on Microbiome-Derived Imidazole Propionate Production in Healthy Volunteers

NCT07700368
View directory record Official record
Conditions
Healthy Adult
Interventions
L-histidine, Monosodium glutamate (MSG), Sodium chloride (NaCl)
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Serum-Derived Bovine Immunoglobulin Protein Isolate in Subjects With Decompensated Cirrhosis With Ascites

NCT02608658
View directory record Official record
Conditions
Cirrhosis of the Liver, Ascites, Spontaneous Bacterial Peritonitis
Interventions
Medical food, EnteraGam (Serum-Derived Bovine Immunoglobulin)
Other
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 70 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 19, 2026, 2:57 PM EDT
Terminated Not applicable Interventional

To Evaluate the Impact of SBI on C. Difficile in Hospitalized UC Patients

NCT02730325
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Serum-derived bovine immunoglobulin/protein isolate (SBI), Placebo
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
3
States / cities
Miami, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM 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 19, 2026, 2:57 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 19, 2026, 2:57 PM EDT
Terminated Early Phase 1 Interventional

Serum Bovine Immunoglobulin (SBI) in Children and Young Adults With Inflammatory Bowel Disease (IBD)

NCT04223518
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
Interventions
Serum bovine immunoglobulin, Placebo
Dietary Supplement
Lead sponsor
Monisha Hitesh Shah
Other
Eligibility
6 Years to 30 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study Evaluating the Safety and Efficacy of JCARH125 in Subjects With Relapsed and/or Refractory Multiple Myeloma

NCT03430011
View directory record Official record
Conditions
Multiple Myeloma
Interventions
JCARH125, JCARH125 + anakinra
Biological
Lead sponsor
Juno Therapeutics, a Subsidiary of Celgene
Industry
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • Duarte, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 24, 2024 · Synced Oct 19, 2026, 2:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Beef Versus Whey Protein: The Gut Showdown Self-Experiment

NCT07477223
View directory record Official record
Conditions
Digestion
Interventions
Beef protein, Chocolate whey protein
Dietary Supplement
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing the Effect of Whey and Soy Protein on the Absorption of Pomegranate Polyphenols in the Human Body

NCT02233478
View directory record Official record
Conditions
Healthy
Interventions
Pomegranate Juice, Soybean Flour Protein, Soy Isolate Protein
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Phase 3 Interventional

Diet and PSA Levels in Patients With Prostate Cancer

NCT00003367
View directory record Official record
Conditions
Prostate Cancer
Interventions
green tea, soy protein isolate, vitamin E
Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2013 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Phase 2Phase 3 Interventional

Soy Protein in Preventing Recurrent Cancer in Patients Who Have Undergone Surgery for Stage II Prostate Cancer

NCT00765479
View directory record Official record
Conditions
Prostate Cancer
Interventions
soy protein isolate, placebo
Dietary Supplement · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 19, 2026, 2:57 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 19, 2026, 2:57 PM 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 24, 2019 · Synced Oct 19, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SBI in Children With d-IBS

NCT02609529
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Medical Food, Placebo
Other
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
8 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Oct 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM EDT
Terminated Not applicable Interventional

Isoflavones in Treating Women Who Have Breast Cancer and Are Planning to Undergo Mastectomy or Lumpectomy

NCT00036686
View directory record Official record
Conditions
Breast Cancer
Interventions
Soy protein isolate, Placebo
Dietary Supplement · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
7
States / cities
Phoenix, Arizona • Tampa, Florida • Savannah, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Oct 19, 2026, 2:57 PM 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 19, 2026, 2:57 PM EDT