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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Modifications Clear all
Terminated Not applicable Interventional

Effects of a Novel Dietary Intervention on Body Composition After Laparoscopic Gastric Bypass Surgery

NCT01041261
View directory record Official record
Conditions
Obesity, Morbid Obesity
Interventions
BariatrX Essentials 360 Treatment
Dietary Supplement
Lead sponsor
MetaProteomics LLC
Industry
Eligibility
25 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Full Plate Diet Study

NCT03232970
View directory record Official record
Conditions
Diet Modification
Interventions
Full Plate Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function

NCT03074643
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, Carbohydrate supplement for months 0-6, Protein supplement for months 0-6, Protein supplement for follow-up months 7-18
Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Jul 21, 2026, 10:17 PM EDT
Terminated Phase 1 Interventional

Dietary Intervention in Patients with a History of Melanoma

NCT03950635
View directory record Official record
Conditions
Melanoma
Interventions
Dietary Intervention, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Jul 21, 2026, 10:17 PM EDT
Not listed Not applicable Interventional

Impact of Two Dietary Interventions on Simple Carbohydrate Intolerance

NCT06057376
View directory record Official record
Conditions
Carbohydrate Intolerance
Interventions
Low-FODMAP diet group (LFD), Low Sugar diet group (LAS)
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
5 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Effect of Prenatal and Postnatal Intervention Strategies on Breastfeeding Outcomes in Women With Excessive Weight (Ready, Set, Nourish Study)

NCT06929091
View directory record Official record
Conditions
Breastfeeding, Dietary Intervention, Milk Expression, Breast
Interventions
Lactation Support and ABME, Lactation Support and meal plan, Lactation Support
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feeding America Intervention Trial for Health--Diabetes Mellitus

NCT02569060
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Testing and Monitoring of Blood Glucose Levels, Primary care coordination, Diabetes-appropriate food packages, Diabetes self-management education
Other · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
568 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
4
States / cities
Oakland, California • San Francisco, California • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 17, 2020 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional

A Low AGE (Advanced Glycation End-product) Dietary Intervention for Breast Cancer Survivors

NCT05265715
View directory record Official record
Conditions
Breast Cancer
Interventions
Low AGE diet, Research blood draw
Other · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jul 21, 2026, 10:17 PM 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 16, 2017 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CO-OP Trial: Community-based Outreach on Obesity in Pregnancy

NCT01841424
View directory record Official record
Conditions
Obesity, Pregnancy
Interventions
Dietary counseling. Maintain a food diary.
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2018 · Synced Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

A Low-Carb Approach to Treat Type 2 Diabetes in Pediatric Patients

NCT06902077
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
low carb diet, diabetic diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
12 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Jul 21, 2026, 10:17 PM EDT
Recruiting Not applicable Interventional

Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis

NCT07524244
View directory record Official record
Conditions
Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Ketogenic diet, Carnivore (Lion) Diet
Behavioral
Lead sponsor
Fuller Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 21, 2026, 10:17 PM 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 20, 2023 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional

Nutrition for Chronic Daily Headache

NCT01157208
View directory record Official record
Conditions
Chronic Daily Headache
Interventions
Diet A, Diet B
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Jul 21, 2026, 10:17 PM 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 5, 2019 · Synced Jul 21, 2026, 10:17 PM 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 8, 2017 · Synced Jul 21, 2026, 10:17 PM EDT
Active, not recruiting Not applicable Interventional

Dietary Intervention to Improve Kidney Transplant Outcomes

NCT05449496
View directory record Official record
Conditions
Kidney Transplant; Complications, Kidney Diseases, Transplant;Failure,Kidney, Diabetes, Hypertension, Obesity, Diet, Healthy, Lifestyle, Healthy
Interventions
Dietary Education Curriculum
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional

A Whole Food Plant Diet and Its Lipidemic Effects on Primary Prevention in a Free-range Population

NCT03523247
View directory record Official record
Conditions
Diet Modification, Cardiology
Interventions
whole food, plant based diet
Behavioral
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional

Diabetes Dietary Study- Low Carbohydrate and Low-Fat Diets in Type 2 Diabetes

NCT00795691
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
low-carbohydrate diet, low-fat diet
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Home-based Intervention to Improve the Diet Quality of Preschoolers

NCT03923491
View directory record Official record
Conditions
Diet Modification
Interventions
Healthy Feeding, Healthy Eating, Reading Readiness
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years to 95 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Jul 21, 2026, 10:17 PM 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 29, 2023 · Synced Jul 21, 2026, 10:17 PM EDT
Active, not recruiting Not applicable Interventional Results available

A Study of a Plant-Based Diet in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)

NCT04920084
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Smoldering Multiple Myeloma
Interventions
Plant based meals
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Dietary Lauric Acid on the Production of the LRH-1 Ligand, Dilauroylphosphatidylcholine

NCT03481608
View directory record Official record
Conditions
Diet Modification
Interventions
Lauric acid (coconut oil), No Lauric acid (olive oil)
Other
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Jul 21, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Advanced Cooking Education Feasibility Study

NCT05907278
View directory record Official record
Conditions
Adolescent Behavior, Nutrition, Healthy
Interventions
Advanced Cooking Education
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Jul 21, 2026, 10:17 PM EDT