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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Controlled beef diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Trimethylamine-N-oxide Production and Metabolism

NCT02558673
View directory record Official record
Conditions
Healthy
Interventions
TMAO dietary precursors, Control (or active comparator)
Other
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 3, 2026, 9:28 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 28, 2023 · Synced Sep 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Daily Beef Intake, as a Component of a Heart-Healthy Diet on Cellular Zinc

NCT05236374
View directory record Official record
Conditions
Zinc Deficiency, Inflammation, Metabolic Diseases, Vascular Diseases
Interventions
Beef protein
Other
Lead sponsor
University of California, Davis
Other
Eligibility
55 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 3, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Biomarkers Intervention Core

NCT05616585
View directory record Official record
Conditions
Biological Markers, Diet, Healthy, Metabolomics, Nutrition, Healthy
Interventions
Pharmacokinetic (PK)- Controlled Feeding Diet, Dose Response (DR)- Controlled Feeding Diet
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Sep 3, 2026, 9:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating the Effects of Beef Consumption on Cognitive and Brain Health

NCT06690892
View directory record Official record
Conditions
Dietary Intervention, Dietary Proteins, Dietary Assessment, Cognitive Ability, General
Interventions
Ready-to-eat beef in frozen, 5-oz packages, Ready-to-eat beef in frozen, 1-oz packages
Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 24 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM 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 3, 2026, 9:28 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 15, 2026 · Synced Sep 3, 2026, 9:28 AM EDT
Completed Not applicable Interventional

Lean Beef Consumption and Insulin Sensitivity in Men and Women With Risk Factors for Diabetes

NCT03202680
View directory record Official record
Conditions
Metabolic Syndrome, PreDiabetes
Interventions
USDA Style Diet, Lean Beef Diet
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 74 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boca Raton, Florida
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Sep 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM EDT
Withdrawn Not applicable Interventional

Effect of a Plant Rich Diet on in People With Type 2 Diabetes and Obesity

NCT02977039
View directory record Official record
Conditions
Type 2 Diabetes Mellitus in Obese
Interventions
NDPR diet, USDA healthy eating diet
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 3, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Antimicrobial-free Production of Beef Cattle's Affect on Gut Microbiome

NCT04023604
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled diet with beef raised without antibiotics, Controlled diet with beef produced in conventional systems
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 69 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 3, 2026, 9:28 AM EDT
Recruiting Not applicable Interventional

Protein and Exercise for Postmenopausal Women's Wellbeing

NCT06849817
View directory record Official record
Conditions
Postmenopausal
Interventions
Diet - higher protein, Physical activity and resistance training
Other · Behavioral
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 3, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Protein Breakfast on Weight Management and Glycemic Control in 'Breakfast-skipping' Teens

NCT03134014
View directory record Official record
Conditions
Breakfast, Appetitive Behavior
Interventions
Breakfast
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
15 Years to 21 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Sep 3, 2026, 9:28 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 11, 2019 · Synced Sep 3, 2026, 9:28 AM EDT
Recruiting Not applicable Interventional

Lean Beef as Part of a Healthy Meal Plan in Adolescents With Polycystic Ovary Syndrome (PCOS)/Polyendocrine Metabolic Ovarian Syndrome (PMOS)

NCT07780188
View directory record Official record
Conditions
PCOS (Polycystic Ovary Syndrome), Obese Adolescents, Overweight (Without Type 2 Diabetes) With Weight-related Comorbidities, Overweight Adolescents, Irregular Menstrual Cycle, Irregular Menstrual Cycles, Hirsutism, Hyperandrogenism
Interventions
Beef+
Other
Lead sponsor
Texas A&M University
Other
Eligibility
11 Years to 17 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM 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 3, 2026, 9:28 AM EDT
Not listed Not applicable Interventional

Metabolomics Initiative: Mediterranean-amplified vs Habitual Western Diet on Food Signatures, Health, and Microbiome

NCT05500976
View directory record Official record
Conditions
Dietary Habits
Interventions
Semi-controlled dietary intervention - Western, Semi-controlled dietary intervention - MiniMed
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 69 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Sep 3, 2026, 9:28 AM EDT
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 3, 2026, 9:28 AM EDT
Completed Not applicable Interventional

A High Protein Weight Loss Intervention for Sarcopenic Obesity in Women

NCT02033655
View directory record Official record
Conditions
Weight Loss, Obesity
Interventions
Protein supplementation, Diet counseling and group education lessons
Dietary Supplement · Behavioral
Lead sponsor
Duke University
Other
Eligibility
45 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 3, 2026, 9:28 AM EDT