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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:43 AM EDT

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Showing 1–24 of 372 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Modifications Clear all
Completed Not applicable Interventional

Trial of Two Dietary Programs on Cardiometabolic Risk Factors in Subjects With Metabolic Syndrome

NCT01010841
View directory record Official record
Conditions
Metabolic Syndrome, Overweight, Obesity, Hypercholesterolemia
Interventions
UltraMealPlus 360 (Medical food), Low-glycemic-load diet
Dietary Supplement · Other
Lead sponsor
MetaProteomics LLC
Industry
Eligibility
20 Years to 75 Years · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Plant Based Diet, Ethnicity, and the Gut Microbiome

NCT03314194
View directory record Official record
Conditions
Diet Modification, Microbial Colonization
Interventions
Plant Based Diet
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

A Defined, Plant-based, 4-week Dietary Intervention Reduces Lp(a) and Other Atherogenic Particles

NCT03172611
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Dietary Intervention
Other
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 75 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 21, 2026, 5:43 AM EDT
Terminated Not applicable Interventional

Pilot Study of Dietary Modification of Appetite Set Point in Obesity

NCT00726271
View directory record Official record
Conditions
Obesity
Interventions
light olive oil, fish oil capsules, flax seed oil capsules
Dietary Supplement
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Study of an International Commercial Program on Weight Loss and Health Outcomes

NCT03571893
View directory record Official record
Conditions
Weight Loss, Weight Change, Body, Obesity, Diet Modification
Interventions
Weight Watchers Freestyle (Flex), DIY Personal Plan
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2020 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity Risk in African American Women is Determined by a Diet-by-phenotype Interaction

NCT03499509
View directory record Official record
Conditions
Diet Modification
Interventions
Low Glycemic Diet, High Glycemic Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Dietary Intervention in Type-2 Diabetes and Pre-Diabetes

NCT02519309
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Pre-diabetes, Metabolic Syndrome
Interventions
Virta Program
Other
Lead sponsor
Virta Health
Industry
Eligibility
21 Years to 65 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exploring the Effects of a High Chlorophyll Dietary Intervention to Reduce Colon Cancer Risk in Adults

NCT03582306
View directory record Official record
Conditions
Colon Cancer Prevention
Interventions
High chlorophyll diet - intervention 1st, High chlorophyll diet - control 1st
Behavioral
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 21, 2026, 5:43 AM EDT
Recruiting Not applicable Interventional

Dietary Interventions in Cancer Patients Treated With Immune Checkpoint Inhibitors

NCT06475807
View directory record Official record
Conditions
Cancer
Interventions
High-fermented food, High fiber supplementation
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 21, 2026, 5:43 AM EDT
Completed No phase listed Observational

Women's Healthy Eating and Living Study

NCT00003787
View directory record Official record
Conditions
Breast Cancer
Interventions
educational/counseling intervention, therapeutic dietary intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
3,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2018
U.S. locations
7
States / cities
Tucson, Arizona • La Jolla, California • Oakland, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Oct 21, 2026, 5:43 AM EDT
Active, not recruiting Not applicable Interventional

Nutrition and Pain Study

NCT07179588
View directory record Official record
Conditions
SCI - Spinal Cord Injury
Interventions
Nutrition Education Program, Nutrition Counseling
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Feasibility Study of Integrating Maternal Nutrition Interventions Into Antenatal Care Services in Ethiopia

NCT04125368
View directory record Official record
Conditions
Maternal Dietary Diversity, Iron-Folic Acid Supplementation, Early Initiation of Breastfeeding
Interventions
Health Facility Interventions, Community Interventions, Health System Interventions
Behavioral
Lead sponsor
International Food Policy Research Institute
Other
Eligibility
15 Years to 49 Years · Female only
Enrollment
4,256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 21, 2026, 5:43 AM EDT
Completed No phase listed Observational

Diet and Genetic Damage

NCT00340743
View directory record Official record
Conditions
Diet
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 18, 2019 · Synced Oct 21, 2026, 5:43 AM EDT
Recruiting Not applicable Interventional

Mobile Health Dietary Intervention for Stroke Survivors With Prediabetes or Type 2 Diabetes

NCT07120334
View directory record Official record
Conditions
Stroke Recurrence, Type 2 Diabetes, Prediabetes
Interventions
PortionSize Ed + MedDiet Support, Standard of care for Stroke and Prediabetes or T2D
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
30 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 21, 2026, 5:43 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 21, 2026, 5:43 AM EDT
Completed Early Phase 1 Interventional

Nutrition and Physical Activity Intervention in Preventing Excess Weight Gain in Pediatric Patients With Leukemia or Lymphoma Treated With Prednisone and/or Dexamethasone

NCT05049785
View directory record Official record
Conditions
Leukemia, Lymphoma
Interventions
Counseling, Exercise Intervention, Informational Intervention, Nutritional Intervention, Questionnaire Administration
Other · Behavioral · Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
7 Years to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2025 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Theory of Planned Behavior and Implementation Intentions

NCT02205697
View directory record Official record
Conditions
Dietary Modification
Interventions
Implementation intention
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years to 72 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2016 · Synced Oct 21, 2026, 5:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increasing Lean Protein Intake in Preschool-age Children and Assessing Effects on Cognition and Select Health Outcomes

NCT06882252
View directory record Official record
Conditions
Diet Modification
Interventions
Low glycemic index diet
Other
Lead sponsor
Sibylle Kranz, PhD, RDN
Other
Eligibility
2 Years to 5 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Personalized Dietary Intervention in Managing Bowel Dysfunction and Improving Quality of Life in Stage I-III Rectosigmoid Cancer Survivors

NCT03063918
View directory record Official record
Conditions
Cancer Survivor, Stage I Rectosigmoid Cancer, Stage II Rectosigmoid Cancer, Stage III Rectosigmoid Cancer
Interventions
Informational Intervention, Quality-of-Life Assessment, Questionnaire Administration, Survey Administration, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
City of Hope Medical Center
Other
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Tucson, Arizona • Duarte, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Scalable Nutrition Adherence Intervention

NCT06121986
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Adherence
Interventions
Improving Cognitive Aging through Nutrition (ICAN) Adherence Program, Improving Cognitive Aging through Nutrition, Mediterranean diet
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
55 Years to 85 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Maternal Nutrition Interventions in Uttar Pradesh, India

NCT03378141
View directory record Official record
Conditions
Anemia, Undernutrition, Underweight, Stunting, Maternal Malnutrition
Interventions
Maternal Nutrition Behavior change
Behavioral
Lead sponsor
International Food Policy Research Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Not applicable Interventional

A Test of Nutritional Interventions to Enhance Weight Loss Maintenance

NCT01065974
View directory record Official record
Conditions
Overweight, Obesity, Weight Loss Maintenance
Interventions
Behavior Therapy, Meal Replacements, Nutritrol
Behavioral · Dietary Supplement
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 65 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Oct 21, 2026, 5:43 AM EDT
Not listed Phase 1 Interventional

Potassium Binder in CKD Patients (With Hyperkalemia) (DiPo Trial)

NCT04727840
View directory record Official record
Conditions
Chronic Kidney Diseases, Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate Oral Product
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 21, 2026, 5:43 AM EDT
Completed Phase 1Phase 2 Interventional

Dietary Intervention With the Modified Atkins Diet in Stroke Rehabilitation

NCT01820663
View directory record Official record
Conditions
Stroke, Ischemic Stroke
Interventions
Modified Atkins Diet, Control diet
Other
Lead sponsor
Burke Rehabilitation Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated Feb 24, 2016 · Synced Oct 21, 2026, 5:43 AM EDT