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Showing 1–24 of 249 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Meal consumption Clear all
Recruiting Not applicable Interventional

Healthy Lifestyles for Bipolar Disorder

NCT06188754
View directory record Official record
Conditions
Time Restricted Eating, Diet, Mediterranean
Interventions
Time restricted eating, Mediterranean diet
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Effect of Ghrelin on Decision-Making

NCT03198143
View directory record Official record
Conditions
Healthy Volunteers, Obesity
Interventions
Ghrelin, Saline
Drug
Lead sponsor
Jenny Tong, MD, MPH
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effect of Spices on Vascular Health

NCT03064958
View directory record Official record
Conditions
Oxidative Stress
Interventions
Herbs and spices, High fat meal
Other
Lead sponsor
Penn State University
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Emotional Arousal in Food Preference and Taste

NCT02402088
View directory record Official record
Conditions
Obesity, Food Craving, Food Consumption
Interventions
Stress Imagery, Food Cue Imagery, Neutral-Relaxing
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Results available

Two Way Crossover Closed Loop Study R-AP vs MPC

NCT05083559
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
MPC AP algorithm, Robust R-AP algorithm
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lose 2 Win A Novel Method to Motivate Weight Loss Maintenance Among College Students

NCT02021383
View directory record Official record
Conditions
Overweight, Obese
Interventions
Bi-weekly in person meetings with a Registered Dietician, Financial incentives for weight loss maintenance
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 24 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2019 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Metformin to Augment Low Milk Supply (MALMS) Study

NCT02179788
View directory record Official record
Conditions
Low Milk Supply, Pre-diabetes, Insulin Resistance, Suppressed Lactation
Interventions
Standard care, Metformin, Placebo
Behavioral · Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
20 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treatment of Early Childhood Overweight in Primary Care: Pilot Study

NCT01662557
View directory record Official record
Conditions
Obesity
Interventions
Family Behavior Modification, Minimal Nutrition Information
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
4 Years to 8 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT02673281
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Food on the Pharmacokinetics of Oral Treprostinil

NCT00963001
View directory record Official record
Conditions
Hypertension, Pulmonary, Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine, Standardized meals
Drug · Other
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2010 · Synced Sep 6, 2026, 5:44 PM EDT
Terminated Not applicable Interventional

Effect of Meal Composition and Timing Modification on Glucose Metabolism, Body Temperature and Sleep

NCT05413928
View directory record Official record
Conditions
PreDiabetes, Type 2 Diabetes, Healthy
Interventions
Time Restrictive Eating- late, Time Restrictive Eating- early, Time Restrictive Eating- early with early caloric intake, Macronutrient-controlled meals
Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.

NCT06075914
View directory record Official record
Conditions
Sleep Deprivation, Nutritional Intervention
Interventions
Ketogenic Intervention, Mediterranean Intervention, Placebo, Ketone Ester
Other · Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Postprandial Urolithin Patterns Following Pecan Consumption

NCT06140602
View directory record Official record
Conditions
Change in Plasma Urolithins and Vitamin E
Interventions
Intervention shake
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Sep 6, 2026, 5:44 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Upper Body Subcutaneous Exosome Release in Response to a Meal in Obesity

NCT07031297
View directory record Official record
Conditions
Obesity
Interventions
Meal Study
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of Cherry Consumption in Reducing Risk Factors for Chronic Inflammatory Diseases

NCT01734070
View directory record Official record
Conditions
Inflammation, Cardiovascular Diseases
Interventions
Cherry consumption
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
45 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2013 · Synced Sep 6, 2026, 5:44 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of P24 on Postprandial Aminoacidemia

NCT07479173
View directory record Official record
Conditions
Postprandial Amino Acid Concentrations in Healthy Adults
Interventions
Protease enzyme supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Amplifye
Industry
Eligibility
45 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of a Standard Meal on the Pharmacokinetic Profile of RP-G28 in Healthy Adult Male and Female Subjects

NCT03563846
View directory record Official record
Conditions
Lactose Intolerance
Interventions
RP-G28
Drug
Lead sponsor
Ritter Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption and Metabolic Profiles of a Sugar-based Beverage

NCT02226250
View directory record Official record
Conditions
Overweight, Healthy
Interventions
3 Placebo Beverages
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 6, 2026, 5:44 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Think AHEAD (A Healthy Eating And Drinking) Study

NCT01044134
View directory record Official record
Conditions
Obesity
Interventions
Dietary counseling
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Sep 6, 2026, 5:44 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dietary Fish and Omega 3 Fatty Acids for Breast Cancer Prevention

NCT01282580
View directory record Official record
Conditions
Breast Cancer
Interventions
Lovaza-Omega 3 fatty acid capsules, Dietary fish (canned salmon, albacore)
Dietary Supplement · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Supplementation and Side Effects

NCT04018300
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron Overload
Interventions
Ferrous sulfate, Aspiron, Placebo
Dietary Supplement · Other
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Phase 2Phase 3 Interventional

A Randomized Trial Comparing Two Doses of Portion-Controlled Foods Within a Primary Care Weight Loss Program

NCT00907660
View directory record Official record
Conditions
Obesity
Interventions
Weight loss counseling, Portion-Controlled Foods
Behavioral · Dietary Supplement
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Sep 6, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HomeStyles-2: Shaping HOME Environments and LifeSTYLES to Prevent Childhood Obesity

NCT04802291
View directory record Official record
Conditions
Healthy Lifestyle, Home Environment Related Disease, Cognitive Change, Child Behavior, Child Obesity, Parenting, Parents, Parent-Child Relations
Interventions
HomeStyles-2: Obesity Prevention Program for Families with Children in Middle Childhood
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
24 Years to 50 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 6, 2026, 5:44 PM EDT