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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:08 AM EDT

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Showing 625–648 of 795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Modification Clear all
Completed Phase 2 Interventional

Effects of Physical Activity and Dietary Change in Minority Breast Cancer Survivors

NCT00811824
View directory record Official record
Conditions
Breast Cancer
Interventions
Physical activity and dietary change
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
21 Years to 70 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2013 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Feasibility Study of Delivering Adolescent Nutrition Interventions Through School-Based Platforms in Ethiopia

NCT04121559
View directory record Official record
Conditions
Dietary Diversity
Interventions
School Interventions, Community Interventions, School System Interventions
Behavioral
Lead sponsor
International Food Policy Research Institute
Other
Eligibility
10 Years to 14 Years · Female only
Enrollment
1,712 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 22, 2026, 5:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Leading Healthy Eating and Activity Promotion Program

NCT06868524
View directory record Official record
Conditions
Cancer Survivor, Cancer, Oncology
Interventions
LEAP Program
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Phase 4 Interventional

Lifestyle Modification for Obesity-Related Type 2 Diabetes

NCT00415688
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Overweight, Obesity
Interventions
Low carbohydrate, ketogenic diet, Low glycemic index, reduced calorie diet
Behavioral
Lead sponsor
Robert C. Atkins Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 25, 2006 · Synced Oct 22, 2026, 5:08 AM EDT
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 22, 2026, 5:08 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 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional

Ketogenic Diet in Non-alcoholic Fatty Liver Disease

NCT03784716
View directory record Official record
Conditions
Fatty Liver, Nonalcoholic, Liver Diseases
Interventions
Ketogenic Diet, Standard Weight Loss Diet
Other
Lead sponsor
Marc Goodman
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Oct 22, 2026, 5:08 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 22, 2026, 5:08 AM EDT
Active, not recruiting No phase listed Observational

Dietary Insights and Nutrition Experiences in Adults on GLP-1 Therapy - A Study on Diet Quality Changes in Adults on GLP-1 Therapy

NCT07313384
View directory record Official record
Conditions
Obesity Type 2 Diabetes Mellitus, Obesity (Disorder)
Interventions
GLP-1 Therapy
Drug
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Columbia, South Carolina • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity, Iron Regulation and Colorectal Cancer Risk

NCT03548948
View directory record Official record
Conditions
Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions
High heme iron diet, Low iron diet, Plant-based high non-heme iron diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years to 70 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Leisure-time Activity and Nutrition Program

NCT01142206
View directory record Official record
Conditions
Obesity
Interventions
Dietary, Physical Activity, TV Watching + Physical Activity
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
21 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Benefits of Walnuts for Male Reproductive Health

NCT01505140
View directory record Official record
Conditions
Infertility, Nutrition Disorders
Interventions
Whole walnuts
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2016 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional

Exercise Versus Diet in the Treatment of Nonalcoholic Fatty Liver Disease

NCT01327443
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
Weight loss, Exercise
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Phase 1Phase 2 Interventional

Could Dietary Algae Affect Immunity and Viral Counts in People With HIV?

NCT01195077
View directory record Official record
Conditions
HIV Infections
Interventions
seaweed, spirulina, seaweed + spirulina
Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional

Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 1

NCT04605653
View directory record Official record
Conditions
Obesity, Overweight, Weight Loss, Diet Habit
Interventions
Weight Management Intervention
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 64 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Oct 22, 2026, 5:08 AM EDT
Not yet recruiting Not applicable Interventional

Nutrition Intervention Optimization to Better Utilize Resources and Support Health

NCT07713836
View directory record Official record
Conditions
Diabete Type 2, Obesity & Overweight, Nutritional Intervention, Food Insecurity
Interventions
Meal kits, No-prep meals, Culinary nutrition classes, Text messages
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Phase 4 Interventional

INITIATE Plus (INITiation of Insulin to Reach A1c TargEt) Study

NCT00101751
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
biphasic insulin aspart, dietary regimen
Drug · Behavioral
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
4,877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional

Mastering Diabetes Study

NCT04454957
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, PreDiabetes
Interventions
Mastering Diabetes
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 75 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Training and Time-restricted Feeding in Overweight and Obese Adults

NCT03823872
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss
Interventions
Time restricted feeding, Normal feeding
Other
Lead sponsor
Kyle Hackney
Other
Eligibility
35 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2020 · Synced Oct 22, 2026, 5:08 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Lifestyle Interventions for Long Term Diabetes Control

NCT00364312
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
diet and physical activity
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 15, 2006 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Phase 4 Interventional

Computer-assisted Diabetes Self-management Interventions

NCT00006163
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Personalized Self-management, Community Resources
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
30 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1999
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2010 · Synced Oct 22, 2026, 5:08 AM EDT
Withdrawn Early Phase 1 Interventional

Evaluating the Combined Effect of Vedolizumab and Semi-Vegetarian Diet on Ulcerative Colitis.

NCT03309865
View directory record Official record
Conditions
Ulcerative Colitis, Dietary Modification
Interventions
semi-vegetarian diet, Vedolizumab Injection
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 22, 2026, 5:08 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Care Integration Between Pediatric Primary Care Providers and WIC Nutritionists

NCT07494097
View directory record Official record
Conditions
Weight Gain Trajectory, BMI, Responsive Parenting, Diet Quality, Implementation
Interventions
Data integration around responsive parenting, Standard Care (in control arm)
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years
Enrollment
380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 22, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Long Term Free Living Study With Modified Foods and Type 2 Diabetics

NCT00198913
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
lower fat food supplied and education, gift cards for grocery foods and written education
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Lutherville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 20, 2005 · Synced Oct 22, 2026, 5:08 AM EDT