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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Food Habits Clear all
Recruiting Not applicable Interventional

The Florida ASCENT Study

NCT07042243
View directory record Official record
Conditions
Cancer, Food Deprivation, Food Habits, Food Selection, Colorectal Cancer, Prostate Cancer, Lung Cancer, Breast Cancer, Gynecologic Cancer, Hematologic Cancer, Skin Cancer, Melanoma, Nutrition Poor, Nutritional Deficiency
Interventions
MyCarePulse and ASCENT PN
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feeding America's Bravest: Mediterranean Diet-Based Interventions to Change Firefighters' Eating Habits

NCT02941757
View directory record Official record
Conditions
Diet, Mediterranean, Health Behavior, Program Sustainability, Program Effectiveness
Interventions
Mediterranean diet Intervention
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Sleep Extension on Ceramides in People with Overweight and Obesity

NCT06180837
View directory record Official record
Conditions
Lifestyle Factors, Overweight and Obesity, Insulin Sensitivity, Eating Habit, Sleep Hygiene, Type 2 Diabetes, Sleep, Sleep Deprivation, Insufficient Sleep Syndrome
Interventions
Sleep Extension Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jul 20, 2026, 6:40 PM 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 Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Encouraging a Plant Based Diet in an Underserved Urban Population

NCT06090409
View directory record Official record
Conditions
Food Neophobia, Food Preferences, Dietary Habits
Interventions
Implementing free/subsidized agricultural produce to encourage a plant-based diet.
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Circadian Intervention to Improve Cardiometabolic Health

NCT05943626
View directory record Official record
Conditions
Cardiometabolic Syndrome, Type 2 Diabetes, Sleep, Time Restricted Feeding, Lifestyle Factors, Overweight and Obesity, Insulin Sensitivity, Eating Habit, Sleep Hygiene
Interventions
Circadian Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Promoting Self-Regulation Skills and Healthy Eating Habits in Early Head Start

NCT03958214
View directory record Official record
Conditions
Poverty
Interventions
Recipe 4 Success, Usual practice Early Head Start
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
2 Years to 3 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High-Protein Food Snack for Dialysis Patients

NCT04134377
View directory record Official record
Conditions
Renal Failure, Albumin; Double, Diet Habit
Interventions
Protein Food Snack
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 74 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 23, 2020 · Synced Jul 20, 2026, 6:40 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Personalized Nutrition Education in Improving Eating Habits of Healthy Participants Who Eat an Unhealthy Diet

NCT00301678
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
behavioral dietary intervention, educational intervention, preventative dietary intervention
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
2,520 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2001
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Household Food Behavior With a Smartphone App

NCT03309306
View directory record Official record
Conditions
Food Habits
Interventions
Natural Environment/Stress Management, Natural Environment/Reduce Food Waste
Other · Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Change Club Study: Evaluation of Civic Engagement for Built Environment Change and Health Improvement

NCT05002660
View directory record Official record
Conditions
Heart Diseases
Interventions
Group 1 (Intervention), Group 2 (Control)
Behavioral
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
2,420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
13
States / cities
Camden, New York • Canastota, New York • Carthage, New York + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jul 20, 2026, 6:40 PM 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 Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preliminary Effect of Food Processing and Sweeteners on Glycemic and Metabolic Measures

NCT05658757
View directory record Official record
Conditions
Blood Sugar; High, Blood Pressure, Dietary Habits
Interventions
Regular sweetened commercial foods, Allulose sweetened commercial foods, Whole and minimally processed and sweetened foods
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
20 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Jul 20, 2026, 6:40 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

School Lunch Salad Bars and Fruit and Vegetable Consumption

NCT03283033
View directory record Official record
Conditions
Children, Only, Behavior, Eating, School, Obesity, Food Selection, Food Habits, Diet Modification, Adolescent Behavior
Interventions
New salad bar, Marketing
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
6 Years to 18 Years
Enrollment
7,491 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Jul 20, 2026, 6:40 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Daily Habits Survey

NCT00456456
View directory record Official record
Conditions
Food Consumption, Sleep, and Behavior
Interventions
Not listed
Lead sponsor
American University
Other
Eligibility
11 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2007 · Synced Jul 20, 2026, 6:40 PM EDT
Terminated Not applicable Interventional

Continuous Glucose Monitoring and Hass Avocado Trial ("CHAT")

NCT05293340
View directory record Official record
Conditions
Dietary Habits, Diabetes Mellitus, Type 2
Interventions
Avocado Vouchers
Dietary Supplement
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Jul 20, 2026, 6:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adhering to Dietary Approaches for Personal Taste (ADAPT)

NCT03226938
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
3,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Jul 20, 2026, 6:40 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Assessment of Thoughts and Feelings Occurring During and After a Meal

NCT01909635
View directory record Official record
Conditions
Behavior and Behavior Mechanisms, Food Habits, Feeding Behavior, Behavior
Interventions
Food Feelings, Other Feelings
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Jul 20, 2026, 6:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Study of Household Purchasing Patterns, Eating and Recreation

NCT02073643
View directory record Official record
Conditions
Dietary Habits, Adiposity, Blood Pressure
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Food Swaps to Improve the Healthfulness and Reduce the Carbon Footprint of Grocery Purchases

NCT06648226
View directory record Official record
Conditions
Food Selection, Nutrition, Food Preferences, Dietary Habits, Sustainability, Healthy Diet
Interventions
Health swaps, Climate swaps, Combined health and climate swaps, Control
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
1,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Front-of-Package Nutrition Labels

NCT06516627
View directory record Official record
Conditions
Nutrition, Food Selection, Food Preferences, Dietary Habits, Healthy Diet
Interventions
Positive Labels, Spectrum Labels, FDA High In Labels, FDA Traffic Light Labels
Behavioral
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
18 Years and older
Enrollment
5,638 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2024 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vegetable Intake in Children

NCT02216968
View directory record Official record
Conditions
Obesity, Behavior, Food Habits
Interventions
Increase vegetable intake in pre-school children
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 5 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving the Eating Habits of Mother and Her Infant Via Sugar Reduction

NCT03141346
View directory record Official record
Conditions
Obesity
Interventions
Sugar reduction health education program, Control health education program, Home water delivery
Behavioral · Other
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
18 Years to 59 Years · Female only
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Can Food Timing Reduce Your Diabetes Risk?

NCT05862818
View directory record Official record
Conditions
Dietary Habits
Interventions
Day shift protocol - Diet order A-B, Day shift protocol - Diet order B-A, Night shift protocol - Diet order A-B, Night shift protocol - Diet order B-A
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 20, 2026, 6:40 PM EDT