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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:54 PM EDT

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Showing 1–24 of 359 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: preventative dietary intervention Clear all
Not listed Not applicable Interventional

Online Obesity Treatment in Primary Care (Rhode Island, USA)

NCT03488212
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Training to Identify Eligible Patients and Direct them to Online Obesity Treatment Program, Training to Motivate and Support Patients' Weight Loss, Online Behavioral Weight Loss Intervention, Control Intervention for Weight Loss Maintenance and Weight Gain Prevention, Monthly Lessons and Feedback Intervention for Weight Loss Maintenance and Weight Gain Prevention, Refresher Courses for Weight Loss Maintenance and Weight Gain Prevention
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing the Dietary Inflammatory Index for Clinical Application

NCT02382458
View directory record Official record
Conditions
Inflammation
Interventions
Newsletters on cancer prevention and control, Behavioral program to reduce inflammation
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional

Preventing Amputations by Tailored Risk-based Intervention to Optimize Therapy

NCT02356757
View directory record Official record
Conditions
Diabetes, Foot Ulcer
Interventions
Personalized Behavioral Intervention, Current Best Practice
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2021 · Synced Oct 20, 2026, 10:54 PM EDT
Active, not recruiting Not applicable Interventional

Expanding Delivery of an Evidence-based Weight-loss Intervention to Enhance Access and Reach Underserved Groups After TBI

NCT05699772
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Telehealth-delivered Group Lifestyle Balance for people with TBI (tGLB-TBI), Brain Health Group (BHG)
Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional

Koa Family: California's Obesity Prevention Project

NCT03605888
View directory record Official record
Conditions
Weight Loss, Diet Habit, Physical Activity, Overweight and Obesity
Interventions
Koa Family
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 47 Years · Female only
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Oct 20, 2026, 10:54 PM EDT
Withdrawn Not applicable Interventional

A Sleep Extension Pilot Study in Adults With Obesity

NCT05747105
View directory record Official record
Conditions
Obesity, Sleep, Weight, Body, Eating Behavior, Blood Pressure, Quality of Life
Interventions
Sleep Extension
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional

PACIFIC: Providing Adults Collaborative Interventions For Ideal Changes

NCT02516839
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Regulation of Cues (ROC), Behavioral Weight Loss (BWL), BWL + ROC, Nutrition Education, Stress Management and Social Support
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 20, 2026, 10:54 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Internet-Based Nutrition Education Program in Preventing Cancer in Participants of Health Maintenance Organizations

NCT00169312
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
behavioral dietary intervention, dietary intervention, educational intervention, internet-based intervention, preventative dietary intervention, evaluation of cancer risk factors
Behavioral · Dietary Supplement · Other + 1 more
Lead sponsor
Josephine Ford Cancer Center
Other
Eligibility
21 Years to 65 Years
Enrollment
2,619 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
4
States / cities
Denver, Colorado • Atlanta, Georgia • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 20, 2026, 10:54 PM EDT
Recruiting Not applicable Interventional

Preventative Screening and Health Coaching in a Food Insecure Population

NCT06907524
View directory record Official record
Conditions
Cardiovascular Disease Prevention, Cardiometabolic Diseases, Cardiovascular Risk Factor, Cardiovascular Risk Score, Hypertension, Hyperlipidemia, Diabetes, Lifestyle Modification, Health Coaching
Interventions
Longitudinal, Individualized Health Coaching
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional

Valued EpiGenetic Glycemic ImprovEments Through Weight Loss

NCT02869659
View directory record Official record
Conditions
Obesity, Pre-diabetes
Interventions
Weight Loss Group, Delayed Weight Loss
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 31, 2020 · Synced Oct 20, 2026, 10:54 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Improving Insulin Resistance To Treat Non-Alcoholic Fatty Liver Disease: A Pilot Study

NCT02457286
View directory record Official record
Conditions
Non-alcoholic Fatty Liver Disease (NAFLD)
Interventions
Metformin, Lifestyle modifications, Fibroscan device (Echosens)
Drug · Behavioral · Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

HIV Prevention for Youth With Severe Mental Illness

NCT00496691
View directory record Official record
Conditions
HIV Infections
Interventions
Family-based HIV prevention program
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 18 Years
Enrollment
718 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 20, 2016 · Synced Oct 20, 2026, 10:54 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pathways to Prevention Food-is-Medicine Trial

NCT07380243
View directory record Official record
Conditions
Heart Disease, Cardiovascular Health Status
Interventions
Nutrition Education, PRO-CVH, Healthy Conversation Skills, Medically tailored groceries/cooking classes
Behavioral
Lead sponsor
Amrik Singh Khalsa
Other
Eligibility
6 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Osteoporosis Prevention: Changes to Exercise and Diet in Children

NCT00063050
View directory record Official record
Conditions
Osteoporosis
Interventions
Physical activity and nutrition intervention
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
10 Years to 12 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PREMIER: PREvention of Metabolic Illness Through prEcision nutRition

NCT04148482
View directory record Official record
Conditions
Obesity, Type 2 Diabetes, Metabolic Syndrome, Diet Habit, Nutritional and Metabolic Disease, Food Preferences
Interventions
Dietary intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 20, 2026, 10:54 PM EDT
Recruiting Not applicable Interventional

SMARTer Weight Loss Management

NCT05861973
View directory record Official record
Conditions
Obesity
Interventions
Adaptive SMARTer intervention (SMARTer), Diabetes Prevention Program (DPP), Self-Guided Treatment (Self-Guided)
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Nutritarian Study to Evaluate the Effectiveness of Lifestyle Changes in Chronic Disease Prevention, Especially Cancer

NCT03430141
View directory record Official record
Conditions
Chronic Disease, Cancer, Cardiovascular Diseases, Diabetes Mellitus, Lifestyle-related Condition, Mental Health Wellness 1, Sleep, Nutritional and Metabolic Disease, Nutrition Related Cancer, Nutritional Imbalance, Thyroid
Interventions
Nutritarian Diet-style
Other
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years and older · Female only
Enrollment
2,898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 20, 2026, 10:54 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Testing Family Firearm Secure Storage Training (FFAST) to Prevent Suicide

NCT07692854
View directory record Official record
Conditions
Lethal Means Safety, Brief Intervention, Concern Significant Others
Interventions
The Family Firearms Secure storage Training (FFAST) Intervention, Health and Stress Counseling
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 20, 2026, 10:54 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of a Multimodal Lifestyle Intervention on Dementia Risk Factors and Attitude Related to Dementia Risk: A Logistical Pilot Study

NCT07146412
View directory record Official record
Conditions
Cognitive Impairment, Alzheimer Blood Biomarkers, Alzheimer Disease (AD), Mild Cognitive Impairment (MCI)
Interventions
Multimodal Lifestyle Intervention
Behavioral
Lead sponsor
HudsonAlpha Institute for Biotechnology
Other
Eligibility
65 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Huntsville, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mothers and Others: Family-based Obesity Prevention for Infants and Toddlers

NCT01938118
View directory record Official record
Conditions
Obesity
Interventions
Obesity Prevention Group, Injury Prevention Group
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
430 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 19, 2018 · Synced Oct 20, 2026, 10:54 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 9, 2017 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

ForgIng New Paths to Prevent DIabeTes (FINDIT)

NCT02747108
View directory record Official record
Conditions
Prediabetes
Interventions
Blood Test Group Intervention, Brochure Group Intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stroke Health and Risk Education (SHARE)

NCT01378780
View directory record Official record
Conditions
Stroke, Hypertension
Interventions
Educational intervention for diet and physical activity, Educational message on skin cancer awareness
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Oct 20, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Bennett Kids PowerUP Project

NCT05858580
View directory record Official record
Conditions
Obesity, Childhood, Type2diabetes
Interventions
Bennett Kids PowerUP Project
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
7 Years to 10 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 20, 2026, 10:54 PM EDT