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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: High-carbohydrate diet Clear all
Completed No phase listed Observational

Utilization of the Ketogenic Diet in Patient With Relapsing Remitting MS

NCT03718247
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Modified Atkins diet
Other
Lead sponsor
University of Virginia
Other
Eligibility
12 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Sep 27, 2026, 7:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

High Fat - High Protein Diet in the Treatment of Obesity

NCT00299273
View directory record Official record
Conditions
Obesity
Interventions
Low calorie high fat/protein diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Personalized Nutrition Study

NCT04145466
View directory record Official record
Conditions
Weight Loss
Interventions
High-fat diet, High-carbohydrate diet
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 75 Years
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Sep 27, 2026, 7:26 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 27, 2026, 7:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Think AHEAD (A Healthy Eating And Drinking) Study

NCT01044134
View directory record Official record
Conditions
Obesity
Interventions
Dietary counseling
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Study Investigating the Effects of a Novel Weight Management Program

NCT01875354
View directory record Official record
Conditions
Overweight
Interventions
Dietary Supplements and TR90 Eating Plan, Placebo and Low Fat Eating Plan
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
18 Years to 65 Years
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Safety and Efficacy of Low and High Carbohydrate Diets

NCT00143936
View directory record Official record
Conditions
Obesity
Interventions
Low- Carbohydrate -Atkins Diet, Low Calorie Diet
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 14, 2010 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Phase 3 Interventional

Internet Administration of the Modified Atkins Diet for Adults With Intractable Epilepsy

NCT00436631
View directory record Official record
Conditions
Epilepsy
Interventions
Dietary management of seizures
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2015 · Synced Sep 27, 2026, 7:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Observational Study of Lyzme5 Impact on Cholesterol and Body Weight in Man

NCT01634646
View directory record Official record
Conditions
Overweight, Elevated Cholesterol
Interventions
Lyzme5
Dietary Supplement
Lead sponsor
Jeff Golini
Industry
Eligibility
21 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Billings, Montana
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional

Heart Obesity Prevention Education

NCT02092545
View directory record Official record
Conditions
Obesity
Interventions
Ketogenic diet
Other
Lead sponsor
Tampa General Hospital
Other
Eligibility
25 Years to 64 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced Sep 27, 2026, 7:26 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Bioavailability Study of Hemp Phenolics

NCT06098001
View directory record Official record
Conditions
Bioavailability, Metabolites, Excretion
Interventions
Low dose dietary fiber, High dose dietary fiber
Dietary Supplement
Lead sponsor
Brightseed
Industry
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional

The Effects of Nutrition Supplementation and Education on the Healing of Diabetic Foot Ulcer (DFU)

NCT04055064
View directory record Official record
Conditions
Diabetic Foot Ulcer
Interventions
glucose control nutritional shake, nutrition education
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
30 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 27, 2026, 7:26 AM EDT
Not yet recruiting Not applicable Interventional

Fueling Labor: Protein Supplementation for Intrapartum Glucose Control

NCT07571343
View directory record Official record
Conditions
Diabetes During Pregnancy
Interventions
High-Protein Beverage (Genius Gourmet Sparkling Protein Water), Standard Clear Liquid Diet, Continuous Glucose Monitoring (Abbott Freestyle Libre)
Dietary Supplement · Other · Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of High Fat Diet on Muscle Metabolism

NCT02328235
View directory record Official record
Conditions
Diabetes
Interventions
High Saturated Fat Diet
Other
Lead sponsor
Kevin Davy
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Strawberries and Disease Risk

NCT01199848
View directory record Official record
Conditions
Nutritional and Metabolic Diseases, Inflammation, Physiological Responses
Interventions
Placebo, 10G, 20G, 40G, Placebonofiber
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss

NCT01749449
View directory record Official record
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lean Body Mass Response to Higher-protein Diets During Winter Military Training

NCT02327208
View directory record Official record
Conditions
Body Weight
Interventions
Control, Protein, Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 27, 2026, 7:26 AM EDT
Terminated Not applicable Interventional

Ketogenic Diet With Concurrent Chemoradiation for Pancreatic Cancer

NCT01419483
View directory record Official record
Conditions
Pancreatic Neoplasms
Interventions
Ketogenic diet
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 7, 2018 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Results available

Dietary Glycemic Index, Brain Function and Food Intake in Patients With Type 1 Diabetes Mellitus

NCT02772783
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
high GI meal, low GI meal, euglycemic insulin clamp, primed-variable insulin infusion
Other · Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Fructose on Blood Fats in Dialysis Patients and Healthy Volunteers

NCT00234156
View directory record Official record
Conditions
End-stage Renal Disease
Interventions
oral fructose and high fat diet
Procedure
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2012 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Replace Glycemic Load and Satiety Study

NCT01516333
View directory record Official record
Conditions
Glucose Blood, Glycemic Index
Interventions
High GL 107, Medium GL 76, Medium GL 68, Low GL 48
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 27, 2026, 7:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Fiber Effects on the Microbiome and Satiety

NCT04611217
View directory record Official record
Conditions
Dietary Fiber
Interventions
Dietary fiber: 10-25g, Dietary fiber: 5g
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
20 Years to 55 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 21, 2025 · Synced Sep 27, 2026, 7:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

APOE Genotype and Diet Influences on Alzheimer's Biomarkers

NCT03070535
View directory record Official record
Conditions
Alzheimer's Disease; Dementia
Interventions
HIGH and LOW meal ingestion
Other
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Sep 27, 2026, 7:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Postprandial Effects of Fresh Mango as a Table Sugar Replacement in High-Sugar Breakfasts.

NCT07650058
View directory record Official record
Conditions
Healthy Participants
Interventions
High-Glycemic Breakfast Containing Cereal and Fresh Mango, High-Glycemic Breakfast Containing Cereal and Table Sugar
Other
Lead sponsor
Ball State University
Other
Eligibility
18 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 27, 2026, 7:26 AM EDT