- Conditions
- Diet, Food and Nutrition
- Interventions
- UPF Test Diet A: Starchy, refined grains, UPF Test Diet B: Meat, fish, and bread products, UPF Diet C: Dairy products, including cheese and cream
- Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2027 – 2028
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
Search by objective public record fields.
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 1–10
of 10
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Obesity and Overweight
- Interventions
- Diet containing 80% ultra processed foods, Diet containing 20% ultra processed foods
- Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 25 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Healthy Diet, Obesity
- Interventions
- Ultra-processed food, high energy density (UPF HL), Ultra-processed food, both low (UPF LL), Ultra-processed food, both high (UPF HH), Unprocessed food diet (UNF LL)
- Other
- Lead sponsor
- National Institutes of Health Clinical Center (CC)
- NIH
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Cardiovascular Diseases
- Interventions
- No UPF controlled diet, High UPF controlled diet
- Other
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 40 Years to 65 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Blacksburg, Virginia
- Conditions
- Food Addiction
- Interventions
- Low UP (meals provided), Low UP (self-guided), Active Control
- Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 22 Years to 60 Years
- Enrollment
- 210 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Insulin Sensitivity, 24-hour Glucose Control
- Interventions
- HIgh UPF controlled diet, No UPF controlled diet
- Other
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 40 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Blacksburg, Virginia
- Conditions
- Dietary Habits
- Interventions
- Ultra-processed Food Meal, Whole Food Meal
- Other
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Obesity & Overweight
- Interventions
- Purple Diet, Ultra-processed diet
- Behavioral
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Baton Rouge, Louisiana
- Conditions
- Healthy Nutrition
- Interventions
- Low-Processed Food Diet
- Other
- Lead sponsor
- Oklahoma State University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Stillwater, Oklahoma
- Conditions
- Eating Behavior, Eating Habit
- Interventions
- High Ultra Processed Food Diet, No Ultra Processed Food Diet
- Other
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 18 Years to 25 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 2
- States / cities
- Blacksburg, Virginia • Roanoke, Virginia