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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:53 AM EDT

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Showing 385–408 of 795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Modification Clear all
Withdrawn Not applicable Interventional

EDITS Pilot Study for Gynecologic Cancer Survivors

NCT05466916
View directory record Official record
Conditions
Gynecologic Cancer
Interventions
Exercise and diet education and instruction
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 13, 2023 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Consuming Red Meat on the Gut Microbiota in Young Adults

NCT03885544
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled Lacto-ovo vegetarian diet, Controlled Unprocessed red meat diet, Controlled processed red meat diet
Other
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 21, 2026, 6:53 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Improving Dietary Quality Through Animal Source Protein Accessibility in a Low-Resource Setting

NCT07620028
View directory record Official record
Conditions
Nutrition Intervention, Healthy Eating, Diet, Healthy, Hunger, Food Security
Interventions
Nutrition Secure Indianapolis Food Box Intervention, Nutrition Secure Indianapolis Nutrition Education
Other · Behavioral
Lead sponsor
Purdue University
Other
Eligibility
5 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the SWW Method Dietary Intervention for HbA1c and Weight Management as a Preventative Intervention in Women

NCT07463417
View directory record Official record
Conditions
Metabolic Syndrome, Obesity & Overweight, Blood Glucose Monitoring, Type 2 Diabetes Prevention
Interventions
SWW Method® Dietary and Lifestyle Intervention
Behavioral
Lead sponsor
Sarah Wragge Wellness
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of Video Messaging About Diet, Exercise and Weight Gain in Pregnancy in Regional and National Samples

NCT02490579
View directory record Official record
Conditions
Pregnancy, Weight Gain
Interventions
Responses to Brief Video Messages (Facebook), Response to Brief Video Messages (Clinic), Response to Brief Video Messages (Social Network)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Green Vegetables and Women's Health

NCT01726127
View directory record Official record
Conditions
Dietary Modification
Interventions
Broccoli and Brussels Sprouts, Cruciferous Complete, Placebo
Other · Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
40 Years to 50 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Oct 21, 2026, 6:53 AM EDT
Completed No phase listed Observational

Study of Nutritional Supplement Shakes in People About to Receive Their Debulking Surgery for Ovarian Cancer

NCT03956095
View directory record Official record
Conditions
Debulking Surgery for Ovarian Cancer
Interventions
Ensure Surgery Immunonutrition Shake supplements, Daily Food Intake form
Dietary Supplement · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
8
States / cities
Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Protein on Musculoskeletal Health During Calorie Deficiency

NCT01292395
View directory record Official record
Conditions
Weight Loss, Muscle Loss, Bone Loss
Interventions
Dietary Protein Intake
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 42 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Oct 21, 2026, 6:53 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Implementing Modified Practices to Leverage Evidence for Movement, Engagement, and Nutrition Topics in Early Childcare and Education

NCT07874295
View directory record Official record
Conditions
Dietary Intakes, Physical Activity, Child Care, Early Education, Children Aged 3-5 Years, Toddlers
Interventions
Boston Healthy Child Care Initiative
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
2 Years to 5 Years
Enrollment
456 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional

High Fat Diet II on Weight Loss

NCT00525850
View directory record Official record
Conditions
Obesity
Interventions
high fat diet, low saturated fat diet
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of a Ketogenic Diet on Body Weight and Cardiovascular Risk Factors

NCT00498394
View directory record Official record
Conditions
Obesity
Interventions
Clinical diet trial
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older · Female only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 10, 2007 · Synced Oct 21, 2026, 6:53 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Elements Vital to Treat Obesity Study

NCT04708769
View directory record Official record
Conditions
Obesity
Interventions
Smartphone App Participants (APP), Diabetes Prevention Program Participants (DPP)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 70 Years
Enrollment
524 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional

Poi for Mama: a Pilot to Improve Maternal Microbiome and Gestational Diabetes Risk

NCT07446205
View directory record Official record
Conditions
Gestational Diabetes Mellitus (GDM), Pregnancy
Interventions
Fermented Poi
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Honolulu, Hawaii • Waimanalo, Hawaii
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Changes in Skin Carotenoid Scores in Medical Students Following Dietary Interventions

NCT02163928
View directory record Official record
Conditions
Health Behavior
Interventions
Food-based intervention; increased fruits and vegetables
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 21, 2026, 6:53 AM 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 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oscillations of Dietary Fat/Carbohydrate Intake Over Interval of 3 to 4 Days

NCT01115075
View directory record Official record
Conditions
Healthy
Interventions
Dietary fat/intake of carbohydrate, Spontaneous oscillations of dietary fat/intake of carbohydrate in relation to energy intake.
Other · Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Oct 21, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional

Peanuts for Cardiometabolic, Brain, and Intestinal Health

NCT06867198
View directory record Official record
Conditions
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Cognition, Microvascular Function, Gut Microbiota, Endothelial Function (Reactive Hyperemia), Arterial Stiffness, Blood Pressure, Adult
Interventions
Peanuts
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
20 Years to 59 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 21, 2026, 6:53 AM EDT
Completed Early Phase 1 Interventional

Bacterial Intestinal Gut Modification Around Cancer Surgery (BIG MACS) Diet

NCT05658263
View directory record Official record
Conditions
Dysbiosis, Sarcopenia, Colon Cancer
Interventions
Standard Diet, BIG MACS Diet
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
25 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 21, 2026, 6:53 AM EDT
Not listed Phase 1 Interventional

CHERL, Connecting Primary Care Patients With Community Resources to Facilitate Behavior Change

NCT00269009
View directory record Official record
Conditions
Tobacco Use Disorder, Alcohol Abuse, Lack of Physical Activity, Poor Diet
Interventions
CHERL
Behavioral
Lead sponsor
Great Lakes Research Into Practice Network
Network
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
3
States / cities
Flint, Michigan • Grand Rapids, Michigan • Marquette, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 11, 2007 · Synced Oct 21, 2026, 6:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Changes in Insulin Sensitivity After Weight Loss

NCT00627484
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus, Insulin Resistance
Interventions
Gastric bypass, Gastric banding, Sleeve gastrectomy, Very low calorie diet
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 21, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

HealthyTogether: RCT of a Dyadic Weight Management Intervention

NCT06619041
View directory record Official record
Conditions
Obesity, Overweight
Interventions
HealthyTogether
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 21, 2026, 6:53 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Genetic Evaluation and Modification of Lifestyles to Improve Female Life Expectancy

NCT05715372
View directory record Official record
Conditions
Menopause Syndrome, Inflammation, Inflammatory Response, Aging, Menopause, Telomere Shortening, Stress Oxidative
Interventions
Mediterranean diet, AHA walking program, Mindfulness-based stress reduction, Unstructured Mediterranean diet, Unstructured walking program, Unstructured stress reduction
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 21, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional

Whole Foods for Teens: A Pilot Dietary Intervention to Reduce Body Adiposity in Adolescents With Obesity

NCT06464497
View directory record Official record
Conditions
Obesity, Childhood, Diet, Healthy, Body Weight Changes
Interventions
Whole Foods MyPlate Group
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 21, 2026, 6:53 AM EDT