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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Beef Diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Culinary Medicine to Enhance Protein Intake on Muscle Quality in Older Adults

NCT06157385
View directory record Official record
Conditions
Sarcopenia
Interventions
Culinary Medicine, Control
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
65 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Beef on Muscle Fatigue in Older Adults

NCT05860088
View directory record Official record
Conditions
Muscle Weakness, Muscle; Fatigue, Heart, Older Adults
Interventions
Beef Diet, Vegetarian Diet
Other
Lead sponsor
Indiana University
Other
Eligibility
60 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Amino Acid Profile and Muscle Protein Synthetic Response to Consuming Meat or Plant-based Alternatives

NCT04784806
View directory record Official record
Conditions
Healthy
Interventions
Ground beef, Ground pork, Tofu, Beyond Meat
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

First Complementary Foods and the Infant Gastrointestinal Microbiota

NCT05492253
View directory record Official record
Conditions
Healthy Participants, Infants, Gastrointestinal Microbiota
Interventions
Infant fruit, Infant vegetable, Infant meat, Infant grain
Other
Lead sponsor
University of Delaware
Other
Eligibility
5 Months to 7 Months
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial to Assess Diets Containing Beef vs. Poultry on Pancreatic Beta-Cell Function

NCT05456477
View directory record Official record
Conditions
PreDiabetes
Interventions
Beef, Poultry
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 74 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of MicroBial Metabolites After Eating Refined Food

NCT04308473
View directory record Official record
Conditions
Dietary Habits
Interventions
Ultra-processed Food Meal, Whole Food Meal
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of High Dietary Fiber on Microbiome and Vaccine Responses

NCT05565586
View directory record Official record
Conditions
Influenza
Interventions
High-Fiber Diet (HFD), Prebiotic Food-Enriched Diet (PreFED)
Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Assessing the Influence of Habitual Beef Intake on Key Molecular Markers of Brain Health

NCT07623785
View directory record Official record
Conditions
Healthy Aging, Brain Health, Cardiometabolic Health, Normal Aging, Cognitive Decline Prevention in Robust Older Adults
Interventions
Lean Beef, Non-Beef Control
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.

NCT06075914
View directory record Official record
Conditions
Sleep Deprivation, Nutritional Intervention
Interventions
Ketogenic Intervention, Mediterranean Intervention, Placebo, Ketone Ester
Other · Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Regular Beef Consumption and Protein Density of the Diet on Training-induced Gains in Muscle Strength and Performance in Healthy Adults

NCT03029975
View directory record Official record
Conditions
Aging
Interventions
Resistance Training Exercise, Beef Protein Consumption
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
40 Years to 64 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Sep 22, 2026, 8:39 PM 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 15, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein in Feeding Strategies to Accelerate Muscle Recovery From ACL Reconstruction

NCT03492021
View directory record Official record
Conditions
Rehabilitative Nutrition for Muscle Recovery From ACL Reconstruction
Interventions
Diet Intervention_AP-CPT, Diet Intervention_PP-PPT
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Replacing Starchy Vegetables and Refined Grains With Beef on Cardio-metabolic Disease Risk Factors (S53)

NCT03925142
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled healthy vegetarian diet, Controlled beef diet
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Protein Intake From Beef/Pork and Soy/Legumes on Appetite, Mood, and Weight Loss

NCT01005563
View directory record Official record
Conditions
Appetite, Mood, Weight Loss
Interventions
Beef/Pork, Soy/Legumes
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 19, 2014 · Synced Sep 22, 2026, 8:39 PM 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 16, 2025 · Synced Sep 22, 2026, 8:39 PM 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 11, 2019 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Phase 1 Seattle Dietary Biomarkers Development Center

NCT05580653
View directory record Official record
Conditions
Healthy Adults
Interventions
Controlled feeding study of beef and/or pinto beans, Controlled feeding study of eggs and/or black beans
Other
Lead sponsor
Marian Neuhouser
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional

Nutrition and Exercise Trial: Improving Diet and Physical Activity Patterns in Overweight Cancer Survivors

NCT03489213
View directory record Official record
Conditions
Cancer Survivor, Overweight
Interventions
Dietary Intervention, Exercise Intervention, Laboratory Biomarker Analysis, Nutritional Intervention, Questionnaire Administration
Other · Behavioral · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contrasting Ketogenic and Mediterranean Diets in Individuals With Type 2 Diabetes and Prediabetes: The Keto-Med Trial

NCT03810378
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, PreDiabetes
Interventions
Mediterranean Diet (Med-Plus), Well-Formulated Ketogenic Diet (WFKD)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Consuming Red Meat on the Gut Microbiota in Young Adults

NCT03885544
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled Lacto-ovo vegetarian diet, Controlled Unprocessed red meat diet, Controlled processed red meat diet
Other
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SWAP-MEAT Athlete: Three Diets on Athletic Performance

NCT05472701
View directory record Official record
Conditions
Health Behavior
Interventions
Diet order: WFPB, PBMA, Animal, WFPB, Animal, PBMA, PBMA, WFPB, Animal, PBMA, Animal, WFPB, Animal, WFPB, PBMA, Animal, PBMA, WFPB
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SWAP-MEAT: Study With Appetizing Plant Food - Meat Eating Alternatives Trial

NCT03718988
View directory record Official record
Conditions
Microbiome, Immune Function, Cardiovascular Diseases
Interventions
Meat products, Plant Alternative products
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional

Measuring Eating, Activity and Strength: Understanding the Response -Using Protein

NCT01715753
View directory record Official record
Conditions
Weight Loss
Interventions
Protein supplementation, Diet counseling and group education lessons
Dietary Supplement · Behavioral
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 22, 2026, 8:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Protein Quality on Appetite Control, Reward-driven Eating, & Subsequent Food Intake

NCT02285907
View directory record Official record
Conditions
Appetite and General Nutritional Disorders
Interventions
Macronutrient and Fiber Matched BEEF, Macronutrient and Fiber Matched SOY, Serving Size Matched BEEF, Serving Size Matched SOY
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 30 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Sep 22, 2026, 8:39 PM EDT