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Showing 1–24 of 186 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Proteins Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Anatabine on Elevated Blood Levels of C-reactive Protein

NCT01607619
View directory record Official record
Conditions
Inflammation
Interventions
Anatabine
Dietary Supplement
Lead sponsor
Roskamp Institute Inc.
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
3
States / cities
Sarasota, Florida • Flint, Michigan • Shelby, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 27, 2013 · Synced Jul 22, 2026, 3:34 AM EDT
No Longer Available No phase listed Expanded access

Compassionate Use of Triheptanoin (C7) for Inherited Disorders of Energy Metabolism

NCT01461304
View directory record Official record
Conditions
Very Long-chain acylCoA Dehydrogenase (VLCAD) Deficiency, Carnitine Palmitoyltransferase Deficiencies (CPT1, CPT2), Mitochondrial Trifunctional Protein Deficiency, Long-chain Hydroxyacyl-CoA Dehydrogenase Deficiency, Glycogen Storage Disorders, Pyruvate Carboxylase Deficiency Disease, ACYL-CoA DEHYDROGENASE FAMILY, MEMBER 9, DEFICIENCY of, Barth Syndrome
Interventions
triheptanoin
Drug
Lead sponsor
Jerry Vockley, MD, PhD
Other
Eligibility
1 Month and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Phase 3 Interventional

LiveSMART Trial to Prevent Falls in Patients With Cirrhosis

NCT05794555
View directory record Official record
Conditions
Cirrhosis, Liver, Portal Hypertension
Interventions
Enhanced Usual Care, Lactulose, Investigator recommended exercise, TeleTai-Chi (virtual)
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Acute Intake of Meals Containing Higher vs. Lower Energy From Protein on DIT

NCT06494449
View directory record Official record
Conditions
Healthy, Overweight and Obesity
Interventions
Higher protein, Lower protein
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Seaweed and Early Breast Cancer: A Randomized Trial

NCT01663792
View directory record Official record
Conditions
Seaweed Associated Changes in Healthy Subjects
Interventions
Seaweed, Placebo, Placebo2
Other
Lead sponsor
University of South Carolina
Other
Eligibility
45 Years to 68 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Jul 22, 2026, 3:34 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 Jul 22, 2026, 3:34 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 12, 2024 · Synced Jul 22, 2026, 3:34 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 5, 2025 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

Pilot Study of Diet and Behavior in Children With Autism

NCT01625299
View directory record Official record
Conditions
Autism
Interventions
Gluten and dry milk, Placebo
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Years to 12 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

Breakfast Intake and Satiety Hormones

NCT02497859
View directory record Official record
Conditions
Obesity
Interventions
Egg Breakfast (EB), Cereal Breakfast (CB), Weight Loss Counseling, Weight Loss Diet
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2016 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Soy-protein Russian Tarragon (Artemisia Dracunculus L.)

NCT02088203
View directory record Official record
Conditions
Diabetes Prevention
Interventions
Dose 1, Dose 2, Dose 0, Dose 3, Dose 4, Dose 5, Dose 6
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Jul 22, 2026, 3:34 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 1, 2014 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

Low Carbohydrate/High Protein Diet to Improve Metabolic Health

NCT03207841
View directory record Official record
Conditions
Spinal Cord, Metabolic Syndrome, Diabetes
Interventions
LC/HP
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

Impact of Providing High Protein Bar to Dialysis Patients With Low Serum Albumin

NCT00597025
View directory record Official record
Conditions
End Stage Renal Disease, Hypoalbuminemia, Malnutrition
Interventions
Protein Food Bar Intelligent Indulgence
Dietary Supplement
Lead sponsor
Satellite Healthcare
Other
Eligibility
18 Years and older
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Jul 22, 2026, 3:34 AM EDT
Enrolling by invitation 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 2, 2024 · Synced Jul 22, 2026, 3:34 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 30, 2023 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function

NCT03074643
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, Carbohydrate supplement for months 0-6, Protein supplement for months 0-6, Protein supplement for follow-up months 7-18
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 May 21, 2023 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

Effect of a High Protein Diet on the 24-hour Profile of Ghrelin, GH (Growth Hormone) and IGF-1 (Insulin-like Growth Factor-1)

NCT00108225
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
LoBag Diet - test phase, LoBAG Diet - control phase
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
55 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 30, 2014 · Synced Jul 22, 2026, 3:34 AM EDT
Recruiting Not applicable Interventional

A SkeleTal Muscle Recovery Intervention With Dietary Protein in Heart Failure

NCT05627440
View directory record Official record
Conditions
Heart Failure, Muscle Atrophy
Interventions
Ensure Max Protein, Ensure Original
Dietary Supplement
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional

A Whole Food Plant Diet and Its Lipidemic Effects on Primary Prevention in a Free-range Population

NCT03523247
View directory record Official record
Conditions
Diet Modification, Cardiology
Interventions
whole food, plant based diet
Behavioral
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet

NCT02208622
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 3 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Jul 22, 2026, 3:34 AM EDT
Completed No phase listed Observational

Effects of Diet Changes on Metabolism

NCT00523627
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 3:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Beneficial Effects of a Protein-rich Breakfast on Appetite Control & Cognition in Overweight and Obese Adolescents

NCT01192100
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Breakfast Skipping, Normal Protein Breakfast Meals, Protein-rich Breakfast Meals
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
15 Years to 20 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 22, 2026, 3:34 AM EDT
Active, not recruiting Not applicable Interventional Results available

A Study of a Plant-Based Diet in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)

NCT04920084
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Smoldering Multiple Myeloma
Interventions
Plant based meals
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 22, 2026, 3:34 AM EDT