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ClinicalTrials.gov public records Last synced Oct 3, 2026, 11:33 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet: Animal protein based diet Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Prandial Metabolic Phenotyping in Sarcopenic Older Adults Comparing Plant Based and Whey Based Protein

NCT06628349
View directory record Official record
Conditions
Protein Metabolism
Interventions
Whey Protein Isolate 90%, Soy Protein Isolate (90% Protein), Organic Pea Protein Isolate, Placebo (Water)
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 95 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Defining Beef and Meal Frequency as Key Components of a Healthy Eating Pattern for Muscle Health and Wellbeing

NCT04232254
View directory record Official record
Conditions
Meal Frequency, Dietary Habits, Muscle Protein Synthesis
Interventions
Animal-based Protein Foods, Skewed Protein Distribution, Plant-based Protein Foods, Balanced Protein Distribution
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Environmental Costs of Building Human Muscle

NCT06733857
View directory record Official record
Conditions
Greenhouse Gas Emissions, Water Use, Land Use
Interventions
VEG2, OMNI2
Behavioral
Lead sponsor
Game Changers Institute
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Laguna Niguel, California
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Dietary Intervention on Insulin Requirements in Type 1 Diabetes

NCT04944316
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 3, 2026, 11:33 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

APOA2 Gene, Diet, Inflammation and Gut Health

NCT03322449
View directory record Official record
Conditions
Inflammation
Interventions
Animal Diet, Plant Diet
Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 5, 2024 · Synced Oct 3, 2026, 11:33 AM EDT
Recruiting Not applicable Interventional

Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis

NCT07524244
View directory record Official record
Conditions
Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Ketogenic diet, Carnivore (Lion) Diet
Behavioral
Lead sponsor
Fuller Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Incorporating Lean Beef Into a Protein-rich Diet During Resistance Training on Muscle and Tendon Strength in Older Women

NCT04347447
View directory record Official record
Conditions
Sarcopenia, Aging
Interventions
Exercise training
Other
Lead sponsor
Purdue University
Other
Eligibility
60 Years to 80 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 3, 2026, 11:33 AM EDT
Not yet recruiting Phase 4 Interventional

Heterogeneity of Diabetes: Integrated Muli-Omics to Identify Physiologic Subphenotypes and Evaluate Targeted Prevention

NCT06682351
View directory record Official record
Conditions
Prediabetes / Type 2 Diabetes
Interventions
Metformin, GLP-1A, MED
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional

Soybean Based Diets and CVD Risk Factors

NCT00175097
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Diet: soybeans and products made thereof, Diet: soybean flour and products made thereof, Diet: soybean milk, Diet: Animal protein based diet
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 3, 2026, 11:33 AM EDT
Terminated Not applicable Interventional

Reducing Insulin, Growth Hormones, and Tumors

NCT03785808
View directory record Official record
Conditions
Diet Modification, Lung Cancer
Interventions
Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy Study of Oral XIGO Tablets to Treat The Common Cold

NCT01092039
View directory record Official record
Conditions
Common Cold
Interventions
lactoferrin, L-Glutamine and beta-glucans, Placebo Comparator
Dietary Supplement
Lead sponsor
Xigo Health LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fall River, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet Modulation of Bacterial Sulfur and Bile Acid Metabolism and Colon Cancer Risk

NCT03550885
View directory record Official record
Conditions
Colorectal Cancer
Interventions
High taurine and saturated fat diet, Low in taurine and saturated fat diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional

Remotely Delivered Behavioral Weight Loss Using an Ad Libitum Plant-Based Diet Versus a Balanced Calorie Deficit Diet

NCT05337150
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Lifestyle Modification Intervention, Balanced Calorie Deficit Eating Plan, Ad Libitum Whole Food Plant-Based Eating Plan
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Phase 1 Interventional

Low Fat Diet and Multiple Sclerosis

NCT00852722
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Low fat study diet
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 70 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 4, 2015 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional

The Effect of a Low-fat Vegan Dietary Intervention on Intracellular Lipid, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT06106035
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
Interventions
low-fat vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Distinct Macronutrient-Equivalent Diet 2

NCT05581953
View directory record Official record
Conditions
Healthy Aging
Interventions
Omnivorous, No meat
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Withdrawn Not applicable Interventional

Effect of a Dietary Intervention on Intracellular Lipid Levels, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT04088981
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 3, 2026, 11:33 AM EDT
Not listed Not applicable Interventional

Plant-Focused Nutrition in Patients With Diabetes and Chronic Kidney Disease

NCT05514184
View directory record Official record
Conditions
Chronic Kidney Disease (CKD) With Diabetes Mellitus (DM), CKD Stage 3, CKD Stage 4, CKD Stage 5, Diabetes Mellitus, Diabetic Kidney Disease
Interventions
PLAFOND diet
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Orange, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Protein Quantity Within the USDA Healthy Style Eating Pattern on Sleep

NCT03174769
View directory record Official record
Conditions
Sleep, Body Composition
Interventions
Normal protein, High protien
Other
Lead sponsor
Purdue University
Other
Eligibility
35 Years to 69 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 20, 2019 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Minimally Processed Animal Protein on Biomarkers for Cognitive Decline

NCT06261775
View directory record Official record
Conditions
Healthy Lifestyle
Interventions
Red meat-based meal, No meat diet
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Protein at Breakfast for Weight Management in Overweight Adolescents

NCT03146442
View directory record Official record
Conditions
Obesity, Adolescent
Interventions
Breakfast
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
13 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Oct 3, 2026, 11:33 AM EDT
Recruiting Not applicable Interventional

The Food Environment, Microbial Cysteine Metabolism, and Cancer Disparities

NCT07086833
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Low Cysteine Diet, High Cysteine Diet
Other
Lead sponsor
Purdue University
Other
Eligibility
45 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Indianapolis, Indiana • West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 3, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Maximizing the Dietary Pattern of Older Adults: the Effects of Protein Intake on Protein Kinetics

NCT04830514
View directory record Official record
Conditions
Sarcopenia
Interventions
Recommended Dietary Allowance of Protein, Habitual protein intake, Optimal Protein Intake
Other
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Oct 3, 2026, 11:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Lean Pork on Endothelial Function in Perimenopause

NCT06976112
View directory record Official record
Conditions
Cardiovascular Outcome, Overweight and Obese Women, Perimenopausal Women, Vasomotor Symptoms (VMS)
Interventions
Pork Diet, Plant Diet
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 3, 2026, 11:33 AM EDT