- Conditions
- Food Preferences
- Interventions
- Neutral labels, Numeric text-only sustainability labels, Endorsement text-only sustainability labels, Endorsement icon-only sustainability labels, Endorsement text-plus-icon sustainability labels
- Behavioral
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,207 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Palo Alto, California
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–23
of 23
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Food Choices
- Interventions
- Ultra-Processed, Red, Icon-plus-text Labels, Contains Food Additives, Red, Icon-plus-text Labels, Warning Ultra-Processed, Red, Icon-plus-text Labels, Warning UPF, Red, Icon-plus-text Labels, Ultra-Processed, Yellow, Icon-plus-text Labels, Contains Food Additives, Yellow, Icon-plus-text Labels, Warning Ultra-Processed, Yellow, Icon-plus-text Labels, Warning UPF, Yellow, Icon-plus-text Labels, Ultra-Processed, Red, Text-only Labels, Contains Food Additives, Red, Text-only Labels, Warning Ultra-Processed, Red, Text-only Labels, Warning UPF, Red, Text-only Labels, Ultra-Processed, Yellow, Text-only Labels, Contains Food Additives, Yellow, Text-only Labels, Warning Ultra-Processed, Yellow, Text-only Labels, Warning UPF, Yellow, Text-only Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14,720 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Obesity
- Interventions
- Changed menu
- Other
- Lead sponsor
- Carnegie Mellon University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 311 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Food Selection
- Interventions
- Control (QR) Labels, Warning High Climate Impact Labels, Traffic Light Labels, Climate Grade Labels, Numeric Carbon Footprint Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6,622 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Nutrition Knowledge, Dietary Behaviour
- Interventions
- Menu label
- Other
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 11,275 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Food Selection
- Interventions
- Control (QR) Labels, Low Environmental Harm Labels, High Environmental Harm Labels, Environmental Harm Traffic Light Labels, Environmental Grade Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Climate Change, Food Preferences
- Interventions
- Taste-focused labels, Carbon impact labels, Changing default menu options
- Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,003 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Healthy
- Interventions
- Menu: calories=yes, value pricing=no, Menu: calories=yes, value pricing = yes, Menu: calories=no, value pricing = no
- Behavioral
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 16 Years and older
- Enrollment
- 605 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Food Selection
- Interventions
- Calorie Labels, Exercise Labels, No Labels
- Behavioral
- Lead sponsor
- Texas Christian University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 372 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- Overweight, Obesity
- Interventions
- KP Personal Shopper Visits, In-Office Dietitian Visits
- Behavioral
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Health Knowledge, Attitude to Health
- Interventions
- Menu label
- Other
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,448 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Food Choices
- Interventions
- Control (QR) Labels, Low Sustainability Labels, Unsustainable Labels, Environmental Harm Labels, High Environmental Harm Labels, High Environmental Cost Labels, Numeric Environmental Cost Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14,720 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Obesity, Weight Loss, CHD - Coronary Heart Disease
- Interventions
- Exercise, Health Education, Exercise Compliance, Calorie-Restricted Diet, Behavioral Modification, Weight-Loss Compliance, Dietary Counseling
- Other · Behavioral · Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Food Selection
- Interventions
- Menu label
- Behavioral
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16,181 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Behavior, Eating
- Interventions
- Paper menu, Digital menu condition
- Behavioral
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 242 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Bryan, Texas
- Conditions
- Food Selection, Attitude
- Interventions
- Low Climate Impact label, High Climate Impact label
- Other
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5,055 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Caries,Dental
- Interventions
- Comparison School Group, Intervention School Group
- Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 5 Years to 9 Years
- Enrollment
- 1,084 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Obesity
- Interventions
- Menu edited
- Other
- Lead sponsor
- Carnegie Mellon University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 309 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 2
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Nutrition, Food Selection, Food Preferences, Dietary Habits, Healthy Diet
- Interventions
- Eco-Labels
- Behavioral
- Lead sponsor
- Harvard Pilgrim Health Care
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,147 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Noticing Nutrition Information, Recalling Nutrition Information
- Interventions
- Menu label
- Other
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 4,581 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Hypertension
- Interventions
- CHW Education, CHW Education and Navigation
- Behavioral
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Food Preferences
- Interventions
- Exposure to calorie information, Exposure to carbon footprint information
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,389 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Food Selection
- Interventions
- Control (QR) Labels, Low Climate Impact Labels, High Climate Impact Labels, Traffic Light Labels, Climate Grade Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6,294 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland