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ClinicalTrials.gov public records Last synced Jul 22, 2026, 1:39 PM EDT

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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Guidelines Clear all
Recruiting No phase listed Observational

GLP1 Fasting Status and Gastric Retention Using Gastric Ultrasound

NCT07251803
View directory record Official record
Conditions
Gastric Retention
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed No phase listed Observational

International Nutrition Survey 2018

NCT03442946
View directory record Official record
Conditions
Cardiovascular Surgery
Interventions
Not listed
Lead sponsor
RWTH Aachen University
Other
Eligibility
18 Years and older
Enrollment
280 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Jul 22, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Metabolic and Bio-behavioral Effects of Following Recommendations in the Dietary Guidelines for Americans

NCT04293224
View directory record Official record
Conditions
Obesity, Body Weight
Interventions
DGA Mediterranean diet pattern, energy balance, DGA Mediterranean diet pattern, negative energy balance, TAD diet pattern, negative energy balance
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
19 Years to 64 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Barriers and Facilitators to Vegetable Intake

NCT03607526
View directory record Official record
Conditions
Overweight, Obese
Interventions
Barriers, Facilitators
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Jul 22, 2026, 1:39 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Dietary Guidelines 3 Diet Patterns Study (DG3D): Phase 2

NCT05254496
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
Dietary Intervention Classes
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Survey of Diet and Health Beliefs

NCT04858971
View directory record Official record
Conditions
Dietary Guidelines
Interventions
Perception of information source
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 22, 2026, 1:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Nutrition Challenge: A Health Promotion Campaign

NCT01092000
View directory record Official record
Conditions
Health Promotion, Prevention
Interventions
Monitoring, Education
Behavioral · Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
17 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Steps Ahead, Adapting Physical Activity Guidelines for the Lower Mississippi Delta Population

NCT01584596
View directory record Official record
Conditions
Obesity
Interventions
Adapted Dietary Guidelines, Adapted Physical Activity Guidelines
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
35 Years to 64 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ZOE METHOD Study: Comparing Personalized vs. Generalized Nutrition Guidelines

NCT05273268
View directory record Official record
Conditions
Personalized Nutrition
Interventions
Personalized nutrition, Generalized nutrition
Other
Lead sponsor
Zoe Global Limited
Other
Eligibility
40 Years to 70 Years
Enrollment
347 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Jul 22, 2026, 1:39 PM EDT
Enrolling by invitation Not applicable Interventional

Heart Failure Food Intervention Trial: Impact of a Guideline-based Nutrition Digital Tool in Heart Failure Patient Clinical Outcomes

NCT06999369
View directory record Official record
Conditions
Heart Failure
Interventions
MedChef App, MedChefs and Instacart food voucher
Other
Lead sponsor
Sutter Health
Other
Eligibility
18 Years to 89 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Individual Metabolism and Physiology Signature Study

NCT02298725
View directory record Official record
Conditions
Insulin Resistance, Metabolic Syndrome X, Obesity
Interventions
DGA Diet Plan, NHANES Diet Plan
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Davis, California • Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Dietary Guidelines 3 Diets Study

NCT04981847
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Dietary Intervention Meetings
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional

Whole Food for Families: A Pilot RCT of a Dietary Guidelines-Based Intervention to Prevent Type 2 Diabetes

NCT06482944
View directory record Official record
Conditions
PreDiabetes, Diet, Healthy, Nutritional and Metabolic Diseases
Interventions
Whole Foods for Families
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years to 59 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Eatwell Clinical Trial (R01)

NCT07225881
View directory record Official record
Conditions
Cancer Prevention, Dietary Guidelines
Interventions
Eatwell, Nutrition Education Control Group
Behavioral · Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
472 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Paleolithic Based Diet Compared to MyPlate Guidelines, With and Without Exercise, in Women.

NCT02380833
View directory record Official record
Conditions
Healthy
Interventions
MyPlate, MyPlate + Exercise, Paleolithic, Paleolithic + Exercise
Behavioral
Lead sponsor
Clemson University
Other
Eligibility
20 Years to 35 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Clemson, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Jul 22, 2026, 1:39 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Dietary Guidelines for Americans-Ultra Processed Study

NCT07252037
View directory record Official record
Conditions
Overweight , Obesity, Class I Obesity
Interventions
Low-processed DGA Diet, Ultra-processed DGA Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Source on Plasma Amino Acid Concentrations In Older Adults

NCT04243395
View directory record Official record
Conditions
Protein Deposition
Interventions
Pork, Egg, Black beans, Almonds
Other
Lead sponsor
Purdue University
Other
Eligibility
55 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Iron Bioavailability From MyPyramid Menus

NCT00754234
View directory record Official record
Conditions
Nonheme Iron Absorption
Interventions
My Pyramid menu days 1, 2, 3, 4, 5, 6 or 7
Behavioral
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
21 Years to 50 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 1, 2018 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carotenoid Response to the Intake of Vegetables and Fruits

NCT01403844
View directory record Official record
Conditions
Resonance Raman Spectroscopy for Dietary Carotenoid Intake
Interventions
Carotenoid Depletion, Carotenoid Repletion, Natural Repletion
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Source on Plasma Amino Acid Concentrations

NCT03649568
View directory record Official record
Conditions
Protein Deposition
Interventions
Pork, Egg, Black beans, Almonds
Other
Lead sponsor
Purdue University
Other
Eligibility
25 Years to 39 Years
Enrollment
30 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 15, 2020 · Synced Jul 22, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pulses: Optimizing Pulse Consumption for Cardiometabolic Health

NCT06861153
View directory record Official record
Conditions
Cardiovascular (CV) Risk, Healthy Eating Index, HbA1c, Lipid Profile, CRP
Interventions
Pulses 1.5 cups Group, Pulses 3 cups Group, My Plate Group (Control)
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 22, 2026, 1:39 PM EDT
Terminated Not applicable Interventional

A Study of a Low-Carbohydrate Diet to Improve Maternal Health After Childbirth

NCT04045353
View directory record Official record
Conditions
Obesity, Postpartum Weight Retention, Insulin Sensitivity
Interventions
Low carbohydrate diet education, Low carbohydrate diet education with behavioral component
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Jul 22, 2026, 1:39 PM EDT
Completed Not applicable Interventional

PERFormance Enhancement of the Canadian Nutrition Guidelines by a Tailored Implementation Strategy: The PERFECTIS Study

NCT01168128
View directory record Official record
Conditions
Critically Ill, Intensive Care Unit
Interventions
Tailored Change Strategy
Other
Lead sponsor
Daren K. Heyland
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Annapolis, Maryland • Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Jul 22, 2026, 1:39 PM EDT
Active, not recruiting Not applicable Interventional

Century Trial, a Randomized Lifestyle Modification Study for Management of Stable Coronary Artery Disease

NCT00756379
View directory record Official record
Conditions
Cardiovascular Disease, Atherosclerosis, Coronary Artery Disease, Coronary Stenosis
Interventions
Comprehensive therapy program for risk factor modification
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
40 Years and older
Enrollment
1,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jul 22, 2026, 1:39 PM EDT