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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Behavior Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Project humAn dieTary daTa rEtuRN

NCT06266689
View directory record Official record
Conditions
Diet Habit
Interventions
Personalized Diet Information
Behavioral
Lead sponsor
Duke University
Other
Eligibility
Up to 12 Months
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Integrating Food Rx With Best Feeding Practices With EFNEP

NCT05881759
View directory record Official record
Conditions
Dietary Habits, Childhood Obesity, Food Selection, Feeding Behavior
Interventions
BEST study - Nutrition education only, BEST study - Nutrition education and feeding practices, BEST study - Nutrition education, feeding practices, and Food Rx
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Diabetes: Weight Gain Prevention in Hispanic Girls (GEMAS Study)

NCT00797615
View directory record Official record
Conditions
Obesity, Diet, Exercise, Behavioral Research
Interventions
Active intervention, Alternative Intervention
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
8 Years to 10 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 6, 2010 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Microalgae Extract Phaeosol Combined to Exercise in Healthy Overweight Women : Efficacy on Body Weight Management

NCT04761406
View directory record Official record
Conditions
Overweight and Obesity, Body Weight Changes, Healthy Lifestyle, Exercise, Dietary Supplement
Interventions
Phaeosol group, Placebo group
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Sep 19, 2026, 11:04 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Correlational and Intervention Effects of Egg Consumption on Macular Carotenoids, Cognition, and Achievement During Childhood

NCT03521349
View directory record Official record
Conditions
Diet Habit, Cognitive Control
Interventions
Whole Egg Intervention, Egg White Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
7 Years to 12 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 19, 2026, 11:04 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)

NCT07149428
View directory record Official record
Conditions
Respiratory Tract Infection, Smell Disorder, Influenza, Rhinosinusitis, COVID-19, Depression, Parosmia, Hyposomia, Normosomia, Anosmia
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating Fitness Interventions in the Elderly (INFINITE)

NCT01048736
View directory record Official record
Conditions
Obesity, Older Adults, Sedentary
Interventions
Exercise Only, Exercise + Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cortisol and Food Insecurity

NCT05191030
View directory record Official record
Conditions
Food Insecurity
Interventions
High-Stress Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
453 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional

Diet and Depression

NCT06252701
View directory record Official record
Conditions
Depression, Major Depressive Disorder, Weight Gain, Obesity, Metabolic Syndrome
Interventions
Reduction of Ultra-processed foods
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 19, 2026, 11:04 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Foods Within a Meal and Food Liking Study

NCT03783507
View directory record Official record
Conditions
Diet Habit, Obesity
Interventions
Order 1, Order 2, Order 3, Order 4
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Test of Five Weight Neutral Interventions to Improve Health Among Adults of Higher Body Weight

NCT07363616
View directory record Official record
Conditions
Obesity & Overweight, Cardiometabolic Risk Factors
Interventions
Mediterranean eating style, Physical activity, Mindful Eating, Body Appreciation, Enjoyable Exercise
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Bennett Kids PowerUP Project

NCT05858580
View directory record Official record
Conditions
Obesity, Childhood, Type2diabetes
Interventions
Bennett Kids PowerUP Project
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
7 Years to 10 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PREMIER: PREvention of Metabolic Illness Through prEcision nutRition

NCT04148482
View directory record Official record
Conditions
Obesity, Type 2 Diabetes, Metabolic Syndrome, Diet Habit, Nutritional and Metabolic Disease, Food Preferences
Interventions
Dietary intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Culturally Optimized Messages for Latinos

NCT05589740
View directory record Official record
Conditions
Diet, Healthy, Diet Habit, Obesity, Blood Pressure, Psychological
Interventions
Culturally tailored healthy eating advice, Standard healthy eating advice
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
25 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Epigenetic Modifications in Obese Aging Women

NCT01977885
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
High Protein Diet, Exercise
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comprehensive Practice-Friendly Model for Promoting Healthy Behaviors

NCT00292968
View directory record Official record
Conditions
Unhealthy Diet, Exercise, Smoking, and Alcohol Use
Interventions
Computer based care, Telephone counseling, Group visits, Usual care
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
5,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Newport News, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Encouraging Healthy and Sustainable Dietary Substitutions

NCT06175026
View directory record Official record
Conditions
Food Selection
Interventions
Health messages, Environmental messages, Health and environmental messages, Neutral messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 25 Years
Enrollment
1,753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 19, 2026, 11:04 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Research Study of Nutritional Methods to Reduce Body Fat Percentages in Overweight and Obese Populations

NCT00487344
View directory record Official record
Conditions
Obesity
Interventions
Non-Personalized Meal Planning, Personalized Meal Planning and Dietetic Consultation
Procedure
Lead sponsor
Central FITT, Inc
Other
Eligibility
25 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Edmond, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 2, 2007 · Synced Sep 19, 2026, 11:04 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Fiber and Time Restricted Eating

NCT07219706
View directory record Official record
Conditions
Diet Habits, Cancer Prevention
Interventions
Time Restricted Eating, Group education, Counseling
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Recruiting Not applicable Interventional

MIND Foods and Aerobic Training in Black Adults With HTN

NCT06152614
View directory record Official record
Conditions
Cognitive Decline, Hypertension, Diet, Aerobic Exercise
Interventions
Enhanced Usual Care (EUC), Food Delivery and Cooking PLUS Aerobic Training (FoRKS+)
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
35 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet Composition and Physical Inactivity on Insulin Sensitivity and β-cell Function

NCT03013764
View directory record Official record
Conditions
Physical Inactivity, Dietary Protein
Interventions
normal protein diet, high protein intake
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 19, 2026, 11:04 AM EDT
Completed Not applicable Interventional Results available

Exercise and QUality Diet After Leukemia: The EQUAL Study

NCT02244411
View directory record Official record
Conditions
Adult Survivors of Childhood Leukemia
Interventions
individual diet & physical activity counselor and website through Healthways at Hopkins, self directed weight loss, questionnaires, fasting blood draw, measurement of height, weight and waist circumference, and blood pressure
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
2
States / cities
New York, New York • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 19, 2026, 11:04 AM EDT
Not listed Not applicable Interventional

Fasting Mimicking Diet in Chemotherapy of Gynecologic Malignancies

NCT06376604
View directory record Official record
Conditions
Cancer, Ovarian, Chemotherapy Effect, Calorie Deficiency, Fasting, Intermittent
Interventions
Fasting Mimicking Diet, Chemotherapy
Other · Drug
Lead sponsor
L-Nutra Inc
Industry
Eligibility
35 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Sep 19, 2026, 11:04 AM EDT
Active, not recruiting No phase listed Observational

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study B

NCT03467906
View directory record Official record
Conditions
Bariatric Surgery, Sleeve Gastrectomy, Obesity
Interventions
In-laboratory assessment
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
22 Years to 62 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 19, 2026, 11:04 AM EDT