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Showing 1–24 of 127 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Eating Behavior Changes Clear all
Active, not recruiting Not applicable Interventional Results available

Effect of Time-restricted Eating on Catecholamine-sensitivity of Adipose Tissue in Obese Adults

NCT04916730
View directory record Official record
Conditions
Obesity
Interventions
Standard of Care, Time Restricted Eating
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Modafinil on Olanzapine Weight Gain

NCT00636896
View directory record Official record
Conditions
Weight Gain
Interventions
Olanzapine plus modafinil, Olanzapine plus placebo
Drug
Lead sponsor
Neuropsychiatric Research Institute, Fargo, North Dakota
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2008 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HEART at Head Start Pilot (Healthy Eating, Activity, Relaxation Trial)

NCT06346574
View directory record Official record
Conditions
Dietary Habits, Physical Inactivity, Sleep Hygiene
Interventions
Experimental
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Keeping Weight Off: Brain Changes Associated With Healthy Behaviors

NCT02189187
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Mindfulness, Psychoeducation
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
25 Years to 60 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2017 · Synced Jun 25, 2026, 6:37 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Exercise and Yogurt on Bone Mineral Density and Immunological Factors in Human Milk: The MEEMA Study

NCT03732261
View directory record Official record
Conditions
Lactational Amenorrhea, Body Weight Changes, Bone Loss
Interventions
Exercise and dietary
Other
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the Effectiveness of Breakfast Recommendations On Reducing Body Weight

NCT01781780
View directory record Official record
Conditions
Obesity, Food Habits
Interventions
General Nutrition Recommendations, Breakfast Recommendation, No Breakfast Recommendation
Behavioral
Lead sponsor
David Allison, Phd
Other
Eligibility
20 Years to 65 Years
Enrollment
309 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2014 · Synced Jun 25, 2026, 6:37 PM EDT
Recruiting Early Phase 1 Interventional

Time Restricted Eating in Sleep Apnea

NCT06047496
View directory record Official record
Conditions
Time Restricted Eating, Obstructive Sleep Apnea
Interventions
Time restricted eating
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 15, 2024 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changing Portion Size Descriptions in a Cafeteria

NCT06263621
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Jun 25, 2026, 6:37 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Time-restricted Eating Versus Daily Continuous Calorie Restriction on Body Weight and Colorectal Cancer Risk Markers

NCT05114798
View directory record Official record
Conditions
Time Restricted Eating, Obesity, Weight Loss, Colorectal Cancer
Interventions
Time restricted eating, Calorie Restriction
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 70 Years
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Health Wearables and College Student Health

NCT03253406
View directory record Official record
Conditions
Behavior Change, Physical Activity, Young Adults, Technology, Intervention
Interventions
Polar M400 + Facebook Group (PM400+FG), Facebook Only Group (FG)
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 29 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Calorie Deprivation on Adipose Tissue Distribution

NCT01658397
View directory record Official record
Conditions
Healthy
Interventions
Fasting
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional

PROFAST Intervention in Precursor Multiple Myeloma

NCT05565638
View directory record Official record
Conditions
Cancer Prevention, Weight Loss, Smoldering Waldenstrom Macroglobulinemia(WM), MGUS, Fasting, Multiple Myeloma
Interventions
Prolonged Fasting Intervention, EDUCATION CONTROL
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jun 25, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Relation of Consummatory and Anticipatory Food Reward to Obesity

NCT01807572
View directory record Official record
Conditions
Weight Gain, Food Habits
Interventions
Not listed
Lead sponsor
Oregon Research Institute
Other
Eligibility
14 Years to 16 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 30, 2015 · Synced Jun 25, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Weight Patterns in the Month After Birth

NCT04025827
View directory record Official record
Conditions
Stunting, Wasting, Undernutrition, Feeding Patterns, Feeding; Difficult, Newborn, Feeding, Breast
Interventions
Dietary intake
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Up to 24 Hours
Enrollment
741 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leisure Time Activity and Nutrition Program

NCT00656045
View directory record Official record
Conditions
Obesity, Physical Activity
Interventions
Dietary, Physical Activity, TV Watching
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jun 25, 2026, 6:37 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure

NCT05545306
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jun 25, 2026, 6:37 PM 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 4, 2018 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Healthy Mom Zone: A Gestational Weight Gain Management Intervention

NCT03945266
View directory record Official record
Conditions
Overweight and Obesity, Physical Activity, Weight Change, Body, Eating Behavior
Interventions
Intervention group, Control group
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Jun 25, 2026, 6:37 PM EDT
Not yet recruiting Phase 2 Interventional

An Open Trial of a Novel Pharmacotherapy for Habit Modification in Anorexia Nervosa

NCT06518941
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Donepezil
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional

Noninvasive Neuromodulation of the Prefrontal Cortex in Subjects With Obesity

NCT02953353
View directory record Official record
Conditions
Obesity
Interventions
Active transcranial direct current stimulation (tDCS), Hypocaloric diet, Sham transcranial direct current stimulation (tDCS)
Device · Other
Lead sponsor
University of Sao Paulo
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Jun 25, 2026, 6:37 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 22, 2020 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Results available

Research Intervention to Support Healthy Eating and Exercise

NCT04353258
View directory record Official record
Conditions
Obesity
Interventions
Behavioral Economics intervention (BE mHealth), Standard mHealth intervention (mHealth)
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 75 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Attitudes Toward Food During a Weight Loss Intervention

NCT04586647
View directory record Official record
Conditions
Obesity, Weight Loss, Overweight and Obesity, Overweight or Obesity, Eating Behavior, Food Habits, Eating Disorder Symptom
Interventions
Noom Healthy Weight; mobile behavior change program for weight loss.
Behavioral
Lead sponsor
Noom Inc.
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Jun 25, 2026, 6:37 PM EDT
Completed Not applicable Interventional

Postpartum Visit Timing and the Effect on Visit Attendance

NCT05399784
View directory record Official record
Conditions
Postpartum Disorder, Postpartum Depression, Postpartum Weight Retention, Breastfeeding, Satisfaction, Patient, Trust
Interventions
Early postpartum visit, Standard postpartum visit
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
13 Years to 50 Years · Female only
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Jun 25, 2026, 6:37 PM EDT