Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 27, 2026, 4:22 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Activation of Brain Centers by Short-term Walnut Consumption in Obesity

NCT02673281
Conditions
Obesity
Interventions
Walnut shake, Placebo shake
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Gum Chewing on Energy Intake and Expenditure

NCT01043471
Conditions
Obesity
Interventions
Chewing gum, Water
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Obesity
Interventions
high caloric intake, reduced caloric intake
Other
Lead sponsor
Temple University
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

The Food Phone Project

NCT01719445
Conditions
Comparison of Energy Intake Methods
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
12 Years to 18 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Healthy Volunteers
Interventions
Cold exposure, Normal temperature, Fixed diet, Ad libitum diet, Fasting
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Overweight and Obesity
Interventions
Exercise
Other
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Scranton, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Snack Consumption on Energy Intake in Preschoolers

NCT02207049
Conditions
Energy Intake, Snacks, Children, Preschool
Interventions
Snacking, No Snacking
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
3 Years to 5 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Experimental Approach to Test Predictions of Body Weight Regulation Models

NCT06309576
Conditions
Obesity, Underweight
Interventions
Fasting-refeeding cycle
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Ultra Processed Versus Unprocessed Diets on Energy Intake

NCT03407053
Conditions
Healthy Diet
Interventions
Ultra-processed diet, Unprocessed diet
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Activity Choices, Caloric Intake, Social Time
Interventions
Not listed
Lead sponsor
University at Buffalo
Other
Eligibility
9 Years to 11 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Changing the Eating Speed on Energy Intake

NCT01684553
Conditions
Oral Intake Reduced
Interventions
Slow eating condition, Fast eating condition
Behavioral
Lead sponsor
Texas Christian University
Other
Eligibility
19 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Fort Worth, Texas
Completed Not applicable Interventional Accepts healthy volunteers

PRESENCE 2: Predicting Sedentary Entertainment Choices and Effects

NCT01523795
Conditions
Obesity, Physical Activity
Interventions
Motion-controlled video gaming, Traditional video gaming, Television watching
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Diabetes, PreDiabetes
Interventions
Oral application of miracle fruit pill, Oral application of sugar candy
Other
Lead sponsor
Queens College, The City University of New York
Other
Eligibility
45 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bayside, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Promoting The Self-Regulation Of Energy Intake

NCT01513343
Conditions
Obesity
Interventions
Parent and child groups focused on self-regulation of eating
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 6 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Houston, Texas • Pullman, Washington
Conditions
Aging
Interventions
Caloric Restriction (CR), Exercise
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
50 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Internet Behavior Therapy for Treating Obesity

NCT00212238
Conditions
Obesity
Interventions
internet behavioral weight loss program
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Results available

Assessment of Energy Balance

NCT01678885
Conditions
Caloric Intake and Energy Metabolism
Interventions
Digital Photography of Foods, doubly labeled water, IDEEA, low-calorie diet, Actical, Sensewear Armband
Behavioral · Other · Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

Role of Acute Exercise Modality on Appetite Regulation and Energy Intake

NCT03143868
Conditions
Appetite Regulation, Acute Exercise, Energy Intake
Interventions
Exercise Modality
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Moderately Overweight Individuals
Interventions
calorie restriction
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
35 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Child Inhibitory Control Skills Around Food

NCT02077387
Conditions
Obesity
Interventions
CHild Inhibitory Control (CHIC) Play, Attention control
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
4 Years to 6 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Diego, California
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Pediatric Obesity
Interventions
Curriculum Testing
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
4 Years to 5 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Not listed No phase listed Observational Accepts healthy volunteers

Food Form & Energy Intake

NCT05258097
Conditions
Appetite Self-regulation, Pediatric Obesity
Interventions
Not listed
Lead sponsor
Penn State University
Other
Eligibility
54 Months to 83 Months
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Changing Portion Size Descriptions in a Cafeteria

NCT06263621
Conditions
Food Selection, Obesity, Weight Gain, Food Preferences
Interventions
Intervention "Standard"
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
101,481 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Boston, Massachusetts