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ClinicalTrials.gov public records Last synced Sep 7, 2026, 11:50 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Body Weight
Interventions
Control, Protein, Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Natick, Massachusetts
Completed Phase 1 Interventional

Pancreatic Clamp in NAFLD

NCT05724134
Conditions
Insulin Resistance, Prediabetic State, Hyperinsulinemia, Non-Alcoholic Fatty Liver Disease, Obesity
Interventions
Insulin human, Octreotide Acetate, Glucagon, Growth Hormone, Human, [6,6-2H2] D-glucose, 20% D-glucose (aq), BOOST Plus, CORE Bar, Harvard Apparatus PHD ULTRA CP syringe pump, Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Terminated Not applicable Interventional Accepts healthy volunteers

Think AHEAD (A Healthy Eating And Drinking) Study

NCT01044134
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Food and Circadian Timing

NCT04743271
Conditions
Diet, High-Fat, Circadian Rhythm
Interventions
High-Fat Diet, Low-Fat Diet
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Low Glycemic Load Diet versus Low Fat Diet
Behavioral
Lead sponsor
Nazrat Mirza
Other
Eligibility
7 Years to 14 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Overweight and Obesity
Interventions
Pecan snack, Tortilla chip snack
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Recruiting Not applicable Interventional Accepts healthy volunteers

Mechanistic Effect of Walnut Consumption on Sleep Quality

NCT06430086
Conditions
Poor Sleep Quality
Interventions
Walnut consumption, HCHS consumption
Other
Lead sponsor
Columbia University
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Peanuts and Glycemic Control

NCT03654651
Conditions
Type2 Diabetes, Cardiovascular Diseases
Interventions
Peanut, High carbohydrate snack
Drug
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 75 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

A Comparison of Satiety Effects Two Commercially Available Snack Bars

NCT07227701
Conditions
Satiety
Interventions
High carbohydrate snack bar, High protein snack bar
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bloomington, Indiana
Completed No phase listed Observational Accepts healthy volunteers Results available

Retrospective Chart Review of the 5 & 2 & 2 and 4 & 2 & 1 Plans

NCT02150837
Conditions
Obesity
Interventions
5 & 2 & 2 Plan, 4 & 2 & 1 Plan
Other
Lead sponsor
Medifast, Inc.
Industry
Eligibility
18 Years and older
Enrollment
372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Owings Mills, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Epigenetic Modifications in Obese Aging Women

NCT01977885
Conditions
Metabolic Syndrome
Interventions
High Protein Diet, Exercise
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

Devaluing Foods to Change Eating Behavior

NCT03557710
Conditions
Overweight and Obesity, Cancer
Interventions
Devaluing energy-dense foods for cancer-control
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 60 Years
Enrollment
253 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Schizophrenia, Bipolar Disorder
Interventions
Ketogenic diet
Other
Lead sponsor
Northern California Institute of Research and Education
Other
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Conditions
Irritable Bowel Syndrome
Interventions
Bifidobacterium infantis, Pancrelipase, Nitazoxanide, Placebo
Drug
Lead sponsor
American Academy of Family Physicians
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
9
States / cities
Lomita, California • Leawood, Kansas • Baton Rouge, Louisiana + 4 more
Conditions
Obesity, Blood Glucose, High
Interventions
Micronutrient-dense plant-rich Intervention
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Flagstaff, Arizona
Conditions
Insulin Resistance, Hyperinsulinemia, Metabolic Dysfunction Associated Steatotic Liver Disease, Non-Alcoholic Fatty Liver Disease, Prediabetic State, Obesity
Interventions
Insulin human, Octreotide Acetate, Glucagon, Growth Hormone, Human, 20% D-glucose (aq), [6,6-2H2] D-glucose, [1-13C1] sodium acetate, Nestle BOOST Plus, KIND Bar, Harvard Apparatus PHD ULTRA CP syringe pump, Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer
Drug · Diagnostic Test · Dietary Supplement + 1 more
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
New York, New York
Conditions
Obesity
Interventions
High Protein, Low Protein
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
13 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Breast Cancer
Interventions
MIND Diet, Usual Diet
Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention and Varying Physical Activity in Seniors

NCT01893684
Conditions
Obesity
Interventions
Exercise, Higher Protein Diet, Conventional Carbohydrate Diet
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition for Precision Health, Powered by the All of Us

NCT05701657
Conditions
Nutrition, Health, Dietary Habits
Interventions
Diet A, Diet B, Diet C
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • Davis, California • Los Angeles, California + 7 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Raisins Versus Alternative Snacks on Cardiovascular Risk Factors In Generally Healthy Subjects

NCT01260272
Conditions
Cardiovascular Risk Factors
Interventions
Alternative Snack Comparator, Raisins
Other
Lead sponsor
Louisville Metabolic and Atherosclerosis Research Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Metabolic Syndrome, Overweight
Interventions
wheat-safflower oil pretzels, soy-safflower oil pretzels, control wheat pretzels
Other
Lead sponsor
Ohio State University
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Studying the Impact of Product Packaging in a Virtual Store Environment

NCT04381481
Conditions
Obesity, Childhood
Interventions
Experimental Drink: Nutrition claim on fruit drinks, Control Drink: No nutrition claim, Experimental snack: Text warning, Experimental snack: Graphic warning, Control snack: barcode label
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
2,374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Tree Nut Consumption to Reduce Abdominal Adiposity

NCT03969264
Conditions
Millenials, Risk for Metabolic Syndrome
Interventions
High Carbohydrate or Tree Nut Food Snacks
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
22 Years to 36 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee