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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:51 AM EDT

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Showing 49–72 of 795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Modification Clear all
Recruiting Not applicable Interventional

Study to Understand Relationship Between Gut Health and Toxicities of Hormonal Breast Cancer Treatment

NCT07553234
View directory record Official record
Conditions
Breast Cancer
Interventions
Stool Sampling, Chia Seeds
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

UCSD Get Fit, Be Fit Study

NCT03387709
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Pistachio-enriched diet, General dietary guidance diet
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Soy Protein and Colorado Diet on Weight Loss and Maintenance

NCT03248804
View directory record Official record
Conditions
Overweight, Obesity, Weight Loss
Interventions
Soy group, Non-soy group
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Study of Automated Telephone Programs for the Maintenance of Dietary Change

NCT00148525
View directory record Official record
Conditions
Cancer
Interventions
Social Cognitive Theory, goal system theory
Behavioral
Lead sponsor
Robert H. Friedman
Other
Eligibility
18 Years and older
Enrollment
1,049 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2015 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Adherence After Playing "My Life With CF" Game

NCT00688051
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
My Life with CF game
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
12 Years to 21 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 5, 2014 · Synced Oct 20, 2026, 2:51 AM EDT
Recruiting Not applicable Interventional

Nutritional Prehabilitation to Improve Cancer Outcomes (N-PICO)

NCT07072377
View directory record Official record
Conditions
Malnutrition, Cancer-related Malnutrition, Quality of Life (QOL), Nutritional Support, Nutritional Interventions, Rural Health
Interventions
Intensity of Nutritional Intervention, Remote or In-Person
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Educational Planetary Plate Graphic on Meat Consumption

NCT05565859
View directory record Official record
Conditions
Diet, Food and Nutrition
Interventions
Planetary Health Plate signage
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
957 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Oct 20, 2026, 2:51 AM EDT
Active, not recruiting Not applicable Interventional

Evaluating the Influence of Diet-induced Weight Loss on Fat (Adipose) Tissue's Insulin Sensitivity and Testosterone Synthesis in Women With Overweight or Obesity, Insulin Resistance, and Hyperandrogenemia

NCT06998238
View directory record Official record
Conditions
Overweight and Obesity, Hyperandrogenemia, Insulin Resistance
Interventions
Mediterranean-based, carbohydrate restricted, calorie reduced diet
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acid Dietary Intervention (O3DI)

NCT05025943
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Diet intervention, Control group
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
10 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss Diet Study: Low Carb vs Low Fat

NCT01661426
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Low-Carbohydrate Diet, Low-Fat Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Oct 20, 2026, 2:51 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 20, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Phase 4 Interventional

Computer-assisted Diabetes Self-management Interventions

NCT00006163
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Personalized Self-management, Community Resources
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
30 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1999
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2010 · Synced Oct 20, 2026, 2:51 AM EDT
Active, not recruiting Not applicable Interventional

Malnutrition Screening and Dietary Intervention to Improve Nutrition Outcomes in Patients With Unresectable Pancreatic Cancer

NCT06090916
View directory record Official record
Conditions
Stage III Pancreatic Cancer, Pancreatic Adenocarcinoma Non-resectable
Interventions
Best Practice, Dietary Intervention, Medical Chart Review, Medical Device Usage and Evaluation, Nutritional Assessment, Questionnaire Administration
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Withdrawn Not applicable Interventional

HEART Kitchen Pilot

NCT07037121
View directory record Official record
Conditions
Cardiovascular Diseases, Type 2 Diabetes, Obesity and Obesity-related Medical Conditions
Interventions
Whole Food Plant Based Diet Jumpstart
Behavioral
Lead sponsor
Reya Andrews
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional

Breakfast Intake and Satiety Hormones

NCT02497859
View directory record Official record
Conditions
Obesity
Interventions
Egg Breakfast (EB), Cereal Breakfast (CB), Weight Loss Counseling, Weight Loss Diet
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2016 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mushroom Effects on Satiety and Gut Health Markers

NCT03352050
View directory record Official record
Conditions
Diet Modification
Interventions
mushroom, ground beef
Dietary Supplement · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional

Virtual Group Fitness and Nutrition Intervention for Individuals With Psychosis

NCT04783246
View directory record Official record
Conditions
Schizophrenia Spectrum Disorder (SSD)
Interventions
Group Fitness, Nutrition education
Behavioral · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nopales (Opuntia Spp.) on Lipoprotein Profile and Oxidative Stress in Moderately Hypercholesterolemic Adults

NCT02209493
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Food supplementation: nopales, Food supplementation: cucumber
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 20, 2026, 2:51 AM EDT
Not listed Not applicable Interventional

Treatment of Type 2 Diabetes With Ketogenic Diet

NCT03652649
View directory record Official record
Conditions
Type2 Diabetes Mellitus, Obesity
Interventions
3:1 ratio Ketogenic diet
Other
Lead sponsor
Mid-Atlantic Epilepsy and Sleep Center, LLC
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Oct 20, 2026, 2:51 AM EDT
Recruiting Phase 1Phase 2 Interventional

Soy Tomato Juice to Improve Outcomes in Pancreatitis

NCT07447687
View directory record Official record
Conditions
Recurrent Acute Pancreatitis, Chronic Pancreatitis
Interventions
Soy-tomato juice product, Will include a soy-tomato juice product to be consumed during the 4 week intervention phase. A total of about 12 ounces (administered in two small cans) of the juice will be consumed
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility Study of a Remote Behavioral Dietary Intervention in Patients With Early to Intermediate AMD: Glucose Lowering for Vision Extension

NCT07605468
View directory record Official record
Conditions
Age-Related Macular Degeneration
Interventions
Low glycemic Mediterranean diet behavioral modification
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
55 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sugar-sweetened Beverage Consumption in Overweight Adolescents

NCT00381160
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Reduction of sugar-sweetened beverage consumption
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 10, 2012 · Synced Oct 20, 2026, 2:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Safety and Effectiveness of Low and High Carbohydrate Diets

NCT00079547
View directory record Official record
Conditions
Obesity
Interventions
Low-calorie diet, low-carbohydrate diet
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Oct 20, 2026, 2:51 AM 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 15, 2022 · Synced Oct 20, 2026, 2:51 AM EDT