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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:57 AM EDT

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Showing 169–192 of 685 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Modifications Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention and Varying Physical Activity in Seniors

NCT01893684
View directory record Official record
Conditions
Obesity
Interventions
Exercise, Higher Protein Diet, Conventional Carbohydrate Diet
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 7, 2017 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional

Mood and Nutrition Interventions in Polycystic Ovary Syndrome

NCT01899001
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS)
Interventions
Cognitive Behavioral Therapy, Nutrition Counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a 4-week Alternate Day Intermittent Energy Restriction Intervention vs Reduced

NCT05213520
View directory record Official record
Conditions
Obesity
Interventions
Alternate Day Intermittent Energy Restriction, Reduced Calorie Diet
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 25 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 19, 2026, 11:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Digital Nutrition Intervention for Older Adults

NCT05220631
View directory record Official record
Conditions
Nutrition Poor, Physical Inactivity, Social Isolation
Interventions
Technology intervention, Digital Nutrition Intervention
Behavioral
Lead sponsor
The University of Texas at San Antonio
Other
Eligibility
60 Years to 120 Years
Enrollment
369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 19, 2026, 11:57 AM EDT
Recruiting Phase 1 Interventional

Botensilimab Plus Balstilimab and Fasting Mimicking Diet Plus Vitamin C for Patients With KRAS-Mutant Metastatic Colorectal Cancer

NCT06336902
View directory record Official record
Conditions
Metastatic Colorectal Adenocarcinoma, Stage IV Colorectal Cancer AJCC v8
Interventions
Balstilimab, Biospecimen Collection, Botensilimab, Computed Tomography, Dietary Intervention, Magnetic Resonance Imaging, Vitamin C
Biological · Procedure · Other + 1 more
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Fullerton, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 19, 2026, 11:57 AM EDT
Terminated Not applicable Interventional

Decision Aid to Facilitate Shared Decision Making During Treatment in Schizophrenia

NCT01420575
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Visual Decision Aid and Shared Decision Making Model, Usual Care
Behavioral
Lead sponsor
VA Nebraska Western Iowa Health Care System
Federal
Eligibility
19 Years to 65 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 19, 2012 · Synced Oct 19, 2026, 11:57 AM EDT
Not listed Not applicable Interventional

Decentralized Dietary UC Pilot Trial

NCT02357537
View directory record Official record
Conditions
Colitis, Ulcerative
Interventions
Combined Anti-inflammatory Diet (CAID)
Behavioral
Lead sponsor
Transparency Life Sciences
Industry
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2015 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional

Groceries for Black Residents of Boston to Stop Hypertension Among Adults Without Treated Hypertension

NCT05121337
View directory record Official record
Conditions
Elevated Blood Pressure, Hypertension
Interventions
Dietitian-Assisted DASH groceries, Self-directed shopping
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of a Dietary Intervention Based Upon Advanced Glycation End Products

NCT01402973
View directory record Official record
Conditions
Healthy Adults
Interventions
Dietary
Other
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
50 Years to 69 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 23, 2011 · Synced Oct 19, 2026, 11:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Diet and Active Lifestyle - Yuuyaraq (The Yup'ik Way of Life)

NCT06629610
View directory record Official record
Conditions
Heart Disease
Interventions
DAiLY
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
2
States / cities
Bethel, Alaska • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Oct 19, 2026, 11:57 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

The CALERIE™ Legacy Study

NCT05651620
View directory record Official record
Conditions
Calorie Restriction
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
33 Years to 70 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Baton Rouge, Louisiana • Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Asthma and Obesity Diet Versus Exercise

NCT03644355
View directory record Official record
Conditions
Obesity, Childhood, Asthma in Children, Inflammatory Response, Metabolic Syndrome, Nutrition Poor, Physical Activity, Behavior, Eating, Molecular Biology, Restriction Fragment Length Polymorphisms, Maternal Exposure, Genetic Change
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
13 Years to 19 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Phase 2 Interventional

Nutrition Intervention to Decrease Symptoms in Patients With Heart Failure

NCT01733017
View directory record Official record
Conditions
Heart Failure
Interventions
Sodium reduction, omega 3 and lycopene supplements, rice bran oil capsules, Generic dietary feedback from
Behavioral · Dietary Supplement
Lead sponsor
Terry Lennie
Other
Eligibility
21 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Lexington, Kentucky • Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Oct 19, 2026, 11:57 AM 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 17, 2013 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional

Dietary Treatments for Cognitive Impairment in Older Adults

NCT02521818
View directory record Official record
Conditions
Mild Cognitive Impairment, Probable Alzheimer's Disease
Interventions
Modified Atkins Diet, NIA Diet for Seniors
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 19, 2026, 11:57 AM EDT
Not yet recruiting Not applicable Interventional

Ketogenic Metabolic Therapy in Schizophrenia, Bipolar Disorder, Major Depressive Disorder: Deep Omic Profiling

NCT06748950
View directory record Official record
Conditions
Schizophrenia, Schizophrenia and Related Disorders, Bipolar Disorder, Bipolar and Related Disorders, Major Depressive Disorder, Major Depression Severe, Ketogenic Dieting, Ketosis, Metabolic Disease, Metabolic Syndrome
Interventions
LCHF Ketogenic Diet, Diet-as-Usual (DAU)
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 19, 2026, 11:57 AM 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 23, 2025 · Synced Oct 19, 2026, 11:57 AM EDT
Not listed Phase 2 Interventional

Low Fat Diet to Prevent Disease Progression in Patients With Skin Cancer

NCT00003097
View directory record Official record
Conditions
Non-Melanomatous Skin Cancer
Interventions
preventative dietary intervention
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
15 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1989
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 9, 2009 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Phase 1 Interventional

Ketogenic Diet and Chemotherapy in Affecting Recurrence in Patients With Stage IV Breast Cancer

NCT03535701
View directory record Official record
Conditions
Stage IV Breast Cancer AJCC v6 and v7
Interventions
Dietary Intervention, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Questionnaire Administration
Dietary Supplement · Other · Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional

Nutrition Intervention for the Promotion of Healthy Weight Gain During Pregnancy

NCT01056406
View directory record Official record
Conditions
Pregnancy, Overweight, Obesity
Interventions
Nutrition Education
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Revere, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2016 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional

Lifestyle Modifications and the Progression of Chronic Kidney Disease

NCT01179906
View directory record Official record
Conditions
Patients With Stage 2-4 Chronic Kidney Disease
Interventions
Exercise training, Diet modification
Behavioral
Lead sponsor
Springfield College
Other
Eligibility
20 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 11, 2010 · Synced Oct 19, 2026, 11:57 AM EDT
Recruiting Not applicable Interventional

What is the Effect of Increased Consumption of Fruit Juice on Exercise Capacity and Inflammatory Biomarkers?

NCT07862049
View directory record Official record
Conditions
Inflammation, C-reactive Protein, Exercise Capacity
Interventions
Active Fruit Juice Intervention, Control Fruit Juice Intervention
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Not applicable Interventional Results available

Optimizing Functional Recovery of Breast Cancer Survivors

NCT03915548
View directory record Official record
Conditions
Breast Cancer Female
Interventions
The Behavioral Activation/ Problem Solving Intervention, Attention Control Condition
Behavioral
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
18 Years and older · Female only
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Birmingham, Alabama • Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 19, 2026, 11:57 AM EDT
Completed Phase 4 Interventional Results available

A Longitudinal Study to Identify IBS Phenotypes Using Fecal Microbiota and Hydrogen Breath Testing

NCT03219528
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Rifaximin 550 MG, Low FODMAP Diet
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 19, 2026, 11:57 AM EDT