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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Obesity Prevention Clear all
Completed Not applicable Interventional

Behavior Change Family Counseling to Reduce Rate of Weight Gain in At-Risk Children

NCT00241891
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Obesity
Interventions
Single behavior intervention, Multiple behavior interventions, Control Intervention unrelated to weight
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 12 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Healthy Sleeping and Feeding During Infancy

NCT00125580
View directory record Official record
Conditions
Obesity
Interventions
Infant sleep instruction
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
2
States / cities
Hershey, Pennsylvania • University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional

Healthy Homes/Healthy Kids_5-9

NCT01084590
View directory record Official record
Conditions
Obesity, Injury
Interventions
Healthy Eating/Physical Activity, Safety/Injury Prevention
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
5 Years to 9 Years
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Bloomington, Minnesota • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Jul 23, 2026, 11:25 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Project Health: Enhancing Effectiveness of a Dissonance-Based Obesity Prevention Program

NCT03710746
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Project Health, Response and Attention Training
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
17 Years to 20 Years
Enrollment
406 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
2
States / cities
Eugene, Oregon • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional

Diabetes Prevention for Mexican Americans

NCT03208010
View directory record Official record
Conditions
Prediabetic State, Overweight and Obesity
Interventions
Diabetes Prevention Intervention, Enhanced Usual Care
Behavioral · Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
25 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Rio Grande City, Texas
Source: ClinicalTrials.gov public record
Updated Oct 16, 2023 · Synced Jul 23, 2026, 11:25 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Physical Activity and Community EmPOWERment Project

NCT06740162
View directory record Official record
Conditions
Intellectual Disability, Neurodevelopmental Disorders, Autism Spectrum Disorder, Down Syndrome, Fragile X Syndrome, Cri-du-Chat Syndrome, De Lange Syndrome, Mental Retardation, X-Linked, Prader-Willi Syndrome, Rubinstein-Taybi Syndrome, Trisomy 13 Syndrome, WAGR Syndrome, Williams Syndrome
Interventions
PACE Program
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Fayetteville, Arkansas • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Leptin Treatment on Weight Loss

NCT00050791
View directory record Official record
Conditions
Obesity
Interventions
Leptin, Very Low Calorie Diet
Drug · Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 18, 2010 · Synced Jul 23, 2026, 11:25 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing a Mobile Health Platform for Sleep Promotion and Obesity Prevention in Children

NCT05703347
View directory record Official record
Conditions
Insufficient Sleep, Obesity
Interventions
Fixed sleep goal, Personalized sleep goal, Digital sleep health messaging without virtual study visit, Digital sleep health messaging with virtual study visit, Inactive Parent-Directed Loss-Framed Incentive, Active Parent-Directed Loss-Framed Incentive, Inactive Supportive Feedback, Active Supportive Feedback
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 12 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity and Diabetes Prevention Through Science Enrichment

NCT00541879
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Program ENERGY, comparison
Behavioral · Other
Lead sponsor
Colorado State University
Other
Eligibility
6 Years to 13 Years
Enrollment
2,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2011
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Jul 23, 2026, 11:25 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Project Sueño: Sleep & Understanding Early Nutrition in Obesity

NCT06117631
View directory record Official record
Conditions
Infant Overweight, Infant Obesity, Infant Overnutrition, Infant Development, Metabolic Syndrome, Diabetes Mellitus Risk
Interventions
Centering Parenting, Bright by Text
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Active, not recruiting Not applicable Interventional

Adaptive Implementation to Optimize Delivery of Obesity Prevention Practices in Early Care and Education Settings

NCT05050539
View directory record Official record
Conditions
Obesity, Childhood, Nutrition Aspect of Cancer
Interventions
Low Intensity, High Intensity
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
3 Years and older
Enrollment
1,850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Recruiting Not applicable Interventional

BILe Acid-gut Microbiome Axis MODification Through Diet Education for Colorectal Cancer Prevention

NCT07162337
View directory record Official record
Conditions
Colorectal Cancer Prevention, Colorectal Adenoma
Interventions
Increased Plant-Based Diet and Decreased Animal-Based Diet
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Phase 3 Interventional

Computer Intervention for Prevention of Weight Regain

NCT00067145
View directory record Official record
Conditions
Obesity
Interventions
Face-to-face maintenance program, Internet maintenance program
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
20 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Coordination of Care Between Pediatricians and Women Infants & Children Nutritionists

NCT03482908
View directory record Official record
Conditions
Childhood Obesity
Interventions
Early healthy lifestyles, Responsive parenting curriculum, Data sharing/coordination
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 55 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Yogurt for Prevention of Chronic Inflammation

NCT04149418
View directory record Official record
Conditions
Obesity, Inflammation
Interventions
Yogurt, Control food
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Toddler Overweight Prevention Study Among Low-Income Families

NCT02615158
View directory record Official record
Conditions
Overweight, Obesity, Depression
Interventions
Maternal Physical Activity and Nutrition, Parenting, Child Safety
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Obesity, Inflammation and Oxidative Stress

NCT01028976
View directory record Official record
Conditions
C-reactive Protein, Inflammation, Obesity, Oxidative Stress
Interventions
Vitamin C (ascorbic acid), Placebo tablet
Dietary Supplement
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity Prevention in African American School Children

NCT00061165
View directory record Official record
Conditions
Obesity
Interventions
School + family changes promoting healthy eating + activity
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
8 Years and older
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prevention of Weight Gain

NCT00011102
View directory record Official record
Conditions
Obesity, Body Weight Changes
Interventions
Weight Gain Prevention for Women Project
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 44 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Jul 23, 2026, 11:25 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Connect Through PLAY: A Staff-based Physical Activity Intervention for Middle School Youth

NCT03732144
View directory record Official record
Conditions
Physical Activity, Obesity Prevention
Interventions
Connect Staff-based PA intervention, Connect Health Curriculum Control
Behavioral · Other
Lead sponsor
University of South Carolina
Other
Eligibility
9 Years to 16 Years
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Not applicable Interventional Results available

Latinos Combating Diabetes

NCT01831921
View directory record Official record
Conditions
Pre Diabetes, Obesity, Metabolic Syndrome
Interventions
Lifestyle Weight Loss, Counseling
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 23, 2026, 11:25 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Promoting Physical Activity and Fitness Among Underserved Latino Families Living in U.S.-Mexico Border Regions

NCT06596902
View directory record Official record
Conditions
Obesity Prevention, Heart Disease
Interventions
Physical Activity
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
6 Years and older
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jul 23, 2026, 11:25 AM EDT
Not yet recruiting Not applicable Interventional

Addressing Food Access and Physical Activity to Improve Diabetes Prevention Outcomes Among Underserved African Americans

NCT07560969
View directory record Official record
Conditions
Diabetes, Physical Activity, Food Security, Nutrition Security
Interventions
Culturally-tailored, enhanced adaption of Diabetes Prevention Program
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 23, 2026, 11:25 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Prevention of Obesity in Women Via Estradiol Regulation

NCT00687739
View directory record Official record
Conditions
Obesity
Interventions
leuprolide acetate, Estradiol Transdermal, progressive resistance exercise training
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 23, 2026, 11:25 AM EDT