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ClinicalTrials.gov public records Last synced Oct 29, 2026, 2:31 PM EDT

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Showing 1297–1320 of 1,729 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet Modification Clear all
Completed Not applicable Interventional

The Effect of a Low-fat Vegan Dietary Intervention on Intracellular Lipid, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT06106035
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
Interventions
low-fat vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Critical Periods of Exercise

NCT01041820
View directory record Official record
Conditions
Metabolism
Interventions
Exercise
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
3 Years to 7 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 29, 2026, 2:31 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 29, 2026, 2:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Eating to Adjust the Timing System

NCT05800990
View directory record Official record
Conditions
Dietary Intervention
Interventions
dietary intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional

Energy Metabolism and Cognitive Aging

NCT00777010
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Ketogenic diet, Healthy high carbohydrate diet
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
50 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 29, 2026, 2:31 PM EDT
Terminated Not applicable Interventional Results available

Diet and Exercise Program to Promote Weight Loss and Improve Health in Men With Low- or Low-Intermediate-Risk Prostate Cancer

NCT02454517
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage I Prostate Cancer AJCC V7, Stage IIA Prostate Cancer AJCC v7
Interventions
Behavioral Dietary Intervention, Exercise Intervention, Informational Intervention, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years and older · Male only
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Efficacy of a Reverse Diet as a Novel Weight Loss Maintenance Strategy for Weight-Reduced Adults With Overweight/Obesity

NCT03560635
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss Maintenance, Dietary Habits
Interventions
Weight Loss Maintenance (Control vs. Reverse Diet)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effects of Caloric Restriction on Anthropometrics, Metabolism, and Cardiovascular Health in Overweight Adults

NCT05422391
View directory record Official record
Conditions
Obesity, Overweight, Intermittent Fasting
Interventions
3 day caloric restriction/metabolic reset
Dietary Supplement
Lead sponsor
Skidmore College
Other
Eligibility
25 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Oct 29, 2026, 2:31 PM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Consumption of More Ideal Food Options (COMIDA: Consumo de Opciones Más Ideales De Alimentos)

NCT03851458
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Initial in-person individual diet and exercise counseling (N vs. Y), Thrice weekly diet and exercise text messages (N vs. Y), Weekly telephone support (N vs. Y), Self-monitoring tools (N vs. Y) (for diet and weight)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Results available

Orthostatic Hypotension Treatment on Rehab Unit

NCT01030874
View directory record Official record
Conditions
Orthostatic Hypotension, Falls
Interventions
Medication review, Nutrition/Salt intake, Education, Exercise, Drug Recommendations
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 99 Years
Enrollment
356 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Oct 29, 2026, 2:31 PM EDT
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 29, 2026, 2:31 PM EDT
Not yet recruiting Phase 4 Interventional

Nutrition Intervention Combined With Resmetirom for MASH

NCT07680478
View directory record Official record
Conditions
Metabolic Dysfunction-Associated Steatohepatitis (MASH)
Interventions
Resmetirom therapy, Comprehensive nutritional intervention, Standard dietary support
Drug · Behavioral
Lead sponsor
City University of New York
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study to Assess Colonic Microbiota Changes in Response to Energy Drink Consumption

NCT06137248
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Energy drink
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Activity Changes in Irritable Bowel Syndrome (IBS), Anxiety, and Depression Following the Use of Viome Precision Nutrition Program (VPNP)

NCT04905524
View directory record Official record
Conditions
Depression, Anxiety, IBS - Irritable Bowel Syndrome
Interventions
VIOME Precision Nutrition Program
Dietary Supplement
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Move and Moderate in Balance

NCT00715130
View directory record Official record
Conditions
Overweight, Obesity, Sedentary
Interventions
Energy Balance
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healing and Empowering Alaskan Lives Towards Healthy-Hearts Study

NCT02137902
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Tobacco/Physical Activity Intervention, Diet plus BP/CHOL Intervention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
19 Years and older
Enrollment
299 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Nome, Alaska • Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional

Microbiota-targeted Diet for Pediatric UC

NCT02922881
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Ulcerative Colitis Diet (UCD)
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 19 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Aging, Lifestyle and Inflammation in Veterans Exercising

NCT00667030
View directory record Official record
Conditions
Inflammation, Aging, Metabolism, Exercise
Interventions
Weight loss and aerobic exercise training
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Completed Not applicable Interventional

Project A: Integrated Approaches to Improving the Health and Safety of Health Care Workers

NCT01841983
View directory record Official record
Conditions
Health Behavior, Sleep, MSDs, Dietary Habits, Physical Activity
Interventions
Be Well Work Well
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
Not listed
Enrollment
9,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Oct 29, 2026, 2:31 PM EDT
Recruiting Not applicable Interventional

Remotely Delivered, Community-Aligned Weight Loss Interventions Among Breast Cancer Survivors, ¡Vida! Trial

NCT05930483
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8
Interventions
¡Vida! program, ¡Vida! Plus [¡Vida! + Experiential Learning (EL)], Health Coaching, Mailed Toolkits
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
640 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Weight and Shape Concern Among Women with High Body Weight

NCT05845866
View directory record Official record
Conditions
Body Image Disturbance, Overweight and Obesity, Weight Loss
Interventions
Modified Body Project, Facts about obesity, myths about weight loss, Lifestyle intervention for weight loss
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
25 Years to 70 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 29, 2026, 2:31 PM EDT
Recruiting Not applicable Interventional

Cognitive-behavioral Therapy vs. Nutrition Counseling for Avoidant/Restrictive Food Intake Disorder Part II

NCT07641205
View directory record Official record
Conditions
Avoidant/Restrictive Food Intake Disorder (ARFID)
Interventions
Cognitive-Behavioral Therapy for Avoidance Restrictive Food Intake Disorder (CBT-AR), Nutrition Counseling for Avoidant/Restrictive Food Intake Disorder
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 18 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 29, 2026, 2:31 PM EDT
Not listed Not applicable Interventional

Prebiotics in Rectal Cancer

NCT05516641
View directory record Official record
Conditions
Rectal Cancer
Interventions
Soluble Corn Fiber, Maltodextrin
Dietary Supplement
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 29, 2026, 2:31 PM EDT
Recruiting Not applicable Interventional

SickleFit Exercise and Nutrition Study

NCT07442851
View directory record Official record
Conditions
Sickle Cell Disease, Aging
Interventions
SickleFit Exercise plus Nutrition
Behavioral
Lead sponsor
Duke University
Other
Eligibility
35 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 29, 2026, 2:31 PM EDT