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ClinicalTrials.gov public records Last synced May 22, 2026, 3:37 AM EDT

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Showing 1–24 of 130 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet, Food, and Nutrition Clear all
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Diet, Food, and Nutrition
Interventions
Salad bar, Waitlisted control, Salad bar post-COVID
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
5 Years and older
Enrollment
6,269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Henrico, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Diet, Healthy
Interventions
Smart Intervention for Food Waste Management and Replacing current diet with Fruits and Vegetables, Smart Intervention for Stress Management
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 62 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 3:37 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Diabetes, Diabete Type 2, Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2, Diabetes Type 1, Diabetes Mellitus
Interventions
Virtual Diabetes Wellness Classes and Medically Tailored Meals
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
PreDiabetes
Interventions
Whole Prediabetes Diet Intervention
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
25 Years to 59 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity, Hyperlipidemia, Hypertension
Interventions
Antioxidant diet, Antioxidant supplement, Placebo
Behavioral · Dietary Supplement
Lead sponsor
Christopher Gardner
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced May 22, 2026, 3:37 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Food Insecurity, Dietary Quality, Quality of Life, Cooking Self-efficacy, Perceived Stress, Anxiety, Depressive Symptomatology, Anthropometrics: Height and Weight, Glucose Variability, Blood Pressure
Interventions
Meal Kit and Nutrition Education
Other
Lead sponsor
University of Massachusetts, Lowell
Other
Eligibility
40 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Lowell, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Fructose, glucose, non-caloric sweetener
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 25 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced May 22, 2026, 3:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
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 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
Optifast, Food-Based
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
18 Years to 70 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
9
States / cities
Anchorage, Alaska • Schaumburg, Illinois • Ann Arbor, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Childhood Obesity, Breastfeeding
Interventions
High Energy Density Preload, Low Energy Density Preload
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
3 Years to 5 Years · Female only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced May 22, 2026, 3:37 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nutrition, Healthy Diet, Food Preferences
Interventions
UPF Warning Labels, No Labels (Control)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
13 Years to 29 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Healthy Diet, Obesity
Interventions
Ultra-processed food, high energy density, Ultra-processed food, both low, Ultra-processed food, both high, Unprocessed food diet
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 Jul 21, 2025 · Synced May 22, 2026, 3:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
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 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Obesity
Interventions
Choice, Control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 74 Years
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced May 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Neural Tube Defects, Folic Acid Deficiency, Spina Bifida, Anencephaly-Spina Bifida, B12 Deficiency Vitamin, Anemia, Iron Deficiency Anaemia Due to Dietary Causes
Interventions
Micronutrient fortified iodized salt
Dietary Supplement
Lead sponsor
Hydrocephalus and Neuroscience Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Dietary education program
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hyperlipidemias
Interventions
Fruit and vegetable deliveries
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
19 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Overweight, Obesity, Weight Loss
Interventions
Colorado Diet with soy protein foods., Colorado Diet with monetary payments
Dietary Supplement · Behavioral
Lead sponsor
DuPont Nutrition and Health
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Cancer, Diet, Healthy, Nutrition, Healthy
Interventions
Food pantry referrals, No-prep, ready-to-eat meals, Vouchers
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
lower fat food supplied and education, gift cards for grocery foods and written education
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Lutherville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2005 · Synced May 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Obesity, Diet, Healthy
Interventions
No intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
439 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced May 22, 2026, 3:37 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Diet, Food, and Nutrition, Accidental Fall, Diabetes Mellitus, Heart Diseases
Interventions
Meals + RD services only, Meals + OT services only, Meals + RD + OT services
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
60 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced May 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Obesity
Interventions
Medifast 5 & 1 Plan for weight loss and weight maintenance, Food-based diet plan for weight loss and weight maintenance
Other
Lead sponsor
Medifast, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Owings Mills, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2009 · Synced May 22, 2026, 3:37 AM EDT