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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:40 PM EDT

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Showing 553–576 of 583 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Intervention Clear all
Completed Phase 2 Interventional

Carbohydrate Restricted Diet Intervention for Men on Prostate Cancer Active Surveillance

NCT03679260
View directory record Official record
Conditions
Prostate Cancer
Interventions
Carbohydrate restricted diet, Non-restricted diet, Phone counseling with dietitian
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Lean Beef Consumption on Cardiometabolic Health and Gut Microbiome

NCT06433115
View directory record Official record
Conditions
Diet Intervention
Interventions
Lean (≥90%) Grass-Fed Beef, Lean (≥90%) Grain-Fed Beef, Plant-Based Meat
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigation of Egg Intake and the Relationship Between Gut Microbiome, Metabolic, and Immune Profiles

NCT07844616
View directory record Official record
Conditions
Obesity (BMI Equal to or >30), Immune Function, HDL, Gut Microbiome, Healthy Adult Participants
Interventions
Egg whites, Whole eggs
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

KNA Proof-of-Concept

NCT04968041
View directory record Official record
Conditions
Adherence, Treatment, Retention, Cognitive Impairment, Mild
Interventions
Motivational Interviewing-Cognitive Behavioral Therapy Ketogenic Nutrition Adherence Program
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
60 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Dietary Quality and Social Engagement Through a Virtual Nutrition and Teaching Kitchen Intervention Among Older Veterans With Impaired Mobility

NCT06726083
View directory record Official record
Conditions
Impaired Mobility
Interventions
Nutrition Intervention, Contact Control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Milk Intervention Study for Brain Aging

NCT02957422
View directory record Official record
Conditions
Brain Aging
Interventions
1% Milk, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
60 Years to 89 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional

On-Line Intervention to Lower Cardiovascular Risk in Pediatric Heart Transplant Patients

NCT02519946
View directory record Official record
Conditions
Vascular; Change, Dietary Modification, Physical Activity, Health Behavior, Attitude to Health
Interventions
On-Line Diet and Exercise Intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 19 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional

The Potential of a Low Glutamate Diet as a Treatment for Pediatric Epilepsy

NCT04545346
View directory record Official record
Conditions
Epilepsy in Children, Epilepsy in Youth, Randomized Controlled Trial, Refractory Epilepsy, Diet Intervention
Interventions
Low Glutamate diet
Other
Lead sponsor
American University
Other
Eligibility
2 Years to 21 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Oct 23, 2026, 1:40 PM EDT
Not yet recruiting Not applicable Interventional

Growing Healthy Hearts

NCT07684027
View directory record Official record
Conditions
Cardiovascular (CV) Risk, Behavioral Changes, Gardening, Cooking, Nutrition Education
Interventions
GHH Intervention
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Obesity in the Worksite: A Multi-Message, Multi-"Step" Approach

NCT01585480
View directory record Official record
Conditions
Obesity
Interventions
Weight Gain Prevention Intervention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 22, 2023 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimized Tailored Interventions in Metabolic and Lifestyle Outcomes (OPTIMAL)

NCT06605898
View directory record Official record
Conditions
Cognitive Change, Diet, Healthy, Metabolic Syndrome, Protection Against
Interventions
MIND Diet, Control Diet
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
45 Years to 64 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 20, 2024 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Remote Intervention for Diet and Exercise (RIDE)

NCT00883350
View directory record Official record
Conditions
Overweight, Obesity
Interventions
RIDE e-health application
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MIND Diet Intervention and Cognitive Decline

NCT02817074
View directory record Official record
Conditions
Cognitive Decline, Dementia, Alzheimer Disease, Vascular Dementia
Interventions
MIND Diet, Mild Weight Loss
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
65 Years to 84 Years
Enrollment
604 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Phase 3 Interventional

The Heart Institute of Spokane Diet Study

NCT00269425
View directory record Official record
Conditions
Myocardial Infarction
Interventions
American Heart Association Step 2 diet, Mediterranean diet
Behavioral
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 24, 2010 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional

A SkeleTal Muscle Recovery Intervention With Dietary Protein in Heart Failure

NCT05627440
View directory record Official record
Conditions
Heart Failure, Muscle Atrophy
Interventions
Ensure Max Protein, Ensure Original
Dietary Supplement
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional

Changing Healthy Outcomes In Clinic Environments

NCT00674518
View directory record Official record
Conditions
Obesity, Physical Inactivity, Diabetes
Interventions
One on one counseling, Group/team - based health education, PACE physician counseling
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional

Food Is Medicine: Makin' Healthy Groceries

NCT06214806
View directory record Official record
Conditions
Hypertension
Interventions
Grocery Vouchers
Behavioral
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Interventions for Seniors With Apnea

NCT01422863
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2017 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

DASH Diet Intervention at Senior Centers

NCT03993808
View directory record Official record
Conditions
Hypertension
Interventions
Revision of congregate meal menus and recipes to align with parameters of DASH eating plan, On-site blood pressure monitoring, Home self blood pressure monitoring, Medical adherence education, Nutrition Education
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
60 Years to 105 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Oct 23, 2026, 1:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

High Fructose Diet, the Gut Microbiome, and Metabolic Health

NCT06329544
View directory record Official record
Conditions
MASLD, Type 2 Diabetes, Obesity
Interventions
Fructose, glucose
Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
25 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional Results available

Effects of Whole Sprouts on Airway Allergic Inflammation

NCT01522703
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Allergy
Interventions
Broccoli Sprouts, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Not applicable Interventional

Nutritional Intervention to Prevent Diabetes

NCT00333554
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
DHA Treatment, Placebo for DHA
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
Up to 5 Months
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
9
States / cities
Los Angeles, California • Orange, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Oct 23, 2026, 1:40 PM EDT
Terminated Not applicable Interventional

An Interactive Time-Restricted Diet Intervention (txt4fasting) for Reducing Neurocognitive Decline and Improving Survival in Patients With Brain Metastases From Breast or Lung Cancer

NCT06315296
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Lung Carcinoma, Metastatic Malignant Neoplasm in the Brain, Stage IV Lung Cancer AJCC v8
Interventions
Behavioral Dietary Intervention, Text Message-Based Navigation Intervention, Internet-Based Intervention, Dietary Counseling and Surveillance, Stereotactic Radiosurgery, Biospecimen Collection, Magnetic Resonance Imaging, Neurocognitive Assessment, Questionnaire Administration, Interview
Behavioral · Other · Radiation + 1 more
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 23, 2026, 1:40 PM EDT
Completed Phase 2 Interventional

Innovative Approaches to Diet, Exercise and Activity

NCT01131871
View directory record Official record
Conditions
Body Weight
Interventions
Standard Behavioral Weight Loss Intervention, Enhanced Weight Loss Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 35 Years
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Oct 23, 2026, 1:40 PM EDT