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ClinicalTrials.gov public records Last synced Oct 11, 2026, 10:25 PM EDT

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Showing 49–72 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary fat/intake of carbohydrate Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Protein and Insulin Sensitivity Study

NCT00508937
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes, Metabolic Syndrome, Cardiovascular Disease, Dyslipidemia
Interventions
Diet
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
2
States / cities
Berkeley, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oscillations of Dietary Fat/Carbohydrate Intake Over Interval of 3 to 4 Days

NCT01115075
View directory record Official record
Conditions
Healthy
Interventions
Dietary fat/intake of carbohydrate, Spontaneous oscillations of dietary fat/intake of carbohydrate in relation to energy intake.
Other · Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Complete Health Improvement Program (CHIP) Risk Reduction/Claims Evaluation Project

NCT02977884
View directory record Official record
Conditions
Cardiovascular Diseases, Diabetes Mellitus, Hypertension, Dyslipidemias, Overweight and Obesity
Interventions
The Complete Health Improvement Program
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
389 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Oct 11, 2026, 10:25 PM 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 30, 2025 · Synced Oct 11, 2026, 10:25 PM 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 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Results available

Impact of a Low-Carbohydrate Diet in Pediatric Type 1 Diabetes

NCT03997409
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Dietary Intervention
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
13 Years to 21 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Oct 11, 2026, 10:25 PM 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 11, 2026, 10:25 PM EDT
Recruiting Not applicable Interventional

How a Mediterranean Diet With Potatoes Impacts Heart and Metabolic Health in Adults With Pre-Diabetes

NCT06817252
View directory record Official record
Conditions
Prediabetes, Lipid Profile, Hypertension, Glycemic Control, Arterial Stiffness, Blood Pressure, Inflammation Biomarkers, Dietary Quality, Body Composition Measurement, Waist Circumference, Anthropometrics: Height and Weight
Interventions
Mediterranean Diet Nutrition Education, Mediterranean Diet Nutrition Education with Baked White Potato
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 11, 2026, 10:25 PM 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 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exercise on the Metabolic Consequences of Overeating

NCT02701738
View directory record Official record
Conditions
Healthy
Interventions
Overeating Protocol
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Oct 11, 2026, 10:25 PM EDT
Not listed Not applicable Interventional

Effect of DASH Eating Pattern on Heart Failure Outcomes

NCT03538990
View directory record Official record
Conditions
Heart Failure NYHA Class III
Interventions
DASH Eating Pattern
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 16, 2018 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Saturated Fat on Large Low-density Lipoprotein (LDL) and High-density Lipoprotein (HDL)

NCT00895141
View directory record Official record
Conditions
Dyslipidemia
Interventions
Saturated Fat Diet
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Results available

Optimizing Individual Nutrition in Preterm Very Low Birth Weight Infants

NCT02372136
View directory record Official record
Conditions
Infant, Premature, Diseases, Infant, Small for Gestational Age
Interventions
Individualized Nutrition, Optimized nutrition
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 7 Days
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 11, 2026, 10:25 PM EDT
Completed No phase listed Observational

UF-BMT-HSCT-001: A Non-Interventional Study Evaluating Diet in HSCT Survivors

NCT03377010
View directory record Official record
Conditions
Hematopoietic Neoplasm
Interventions
Dietary intake -Food Frequency Questionnaire, Receptivity to Participating in Diet Interventions
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Oct 11, 2026, 10:25 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Kidney Axis in Enteric Hyperoxaluria

NCT05124886
View directory record Official record
Conditions
Enteric Hyperoxaluria
Interventions
Moderately High Oxalate (MOx) Diet
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 11, 2026, 10:25 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Low Energy Availability and Pituitary Function (LEAP Study)

NCT05808647
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism
Interventions
5-day controlled metabolic dietary intake
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 11, 2026, 10:25 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Improving Maternal and Child Health Through Prenatal Fatty Acid Supplementation

NCT02647723
View directory record Official record
Conditions
Pregnancy, Child Development
Interventions
DHA, Sugar pill
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 11, 2026, 10:25 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Precision Nutrition and Metabolic Function

NCT04131166
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Mediterranean diet, Low-carbohydrate, ketogenic diet, Low-fat diet, Annual follow-up testing for 5 years
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 11, 2026, 10:25 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Complex Effects of Dietary Manipulation on Metabolic Function, Inflammation and Health

NCT02706262
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Metabolically abnormal obese - Mediterranean diet, Metabolically abnormal obese - Low carbohydrate ketogenic diet, Metabolically abnormal obese - Plant-based, very-low-fat diet, Annual Follow-up Visits
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 11, 2026, 10:25 PM 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 13, 2012 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Phase 2 Interventional

Examining the Effects of Diet on Health With an Online Program

NCT01967992
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 11, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Study of Receiving Feedback Messages Based on Self-monitored Dietary Intake

NCT02829632
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Group Sessions, Feedback, Self-monitoring
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 11, 2026, 10:25 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure

NCT05545306
View directory record Official record
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 11, 2026, 10:25 PM EDT