Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 7, 2026, 8:29 AM EDT

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Showing 1–24 of 63 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
Conditions
Obesity, Childhood, Diet, Healthy, Body Weight Changes
Interventions
Whole Foods MyPlate Group
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Glycemic Response, Breast Feeding, Exclusive, Eating Behavior
Interventions
Beef Diet Intervention, Impossible Beef Diet Intervention
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Austin, Texas
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
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
Completed Not applicable Interventional Results available

DailyDose Smart Snack Study for T1D on MDI

NCT05967260
Conditions
Type 1 Diabetes Mellitus With Hypoglycemia
Interventions
DailyDose Smart Snack app, Dexcom G6 CGM
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Obesity
Interventions
Behavioral Child Tx Contacts, Behavioral Parent-Tx Contacts, Dietary and Physical Activity Information
Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 12 Years
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Lentils and Chickpeas on Gut Microbiome and Metabolic Health

NCT06914375
Conditions
Dysbiosis
Interventions
Goya Foods - Canned Chickpeas, Goya Foods - Canned Lentils, Control
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Melanoma
Interventions
Prebiotic Xnack Packouts
Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Houston, Texas
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Determinants of Alpha-aminoadipic Acid (2-AAA) and Relationship to Diabetes: Study 2

NCT04417218
Conditions
Healthy
Interventions
Lysine, Controlled Diet
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Lean Pork on Endothelial Function in Perimenopause

NCT06976112
Conditions
Cardiovascular Outcome, Overweight and Obese Women, Perimenopausal Women, Vasomotor Symptoms (VMS)
Interventions
Pork Diet, Plant Diet
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Hypertension, Chronic Kidney Disease
Interventions
DASH Diet, Control Diet
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Almond on Facial Skin Collagen and Wrinkles

NCT06074276
Conditions
Collagen Degeneration, Wrinkle, Pigmentation, Elastic Skin
Interventions
Food: whole almonds, Food: non-nut snack
Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
35 Years to 70 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
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
Completed Not applicable Interventional Accepts healthy volunteers

Daily Protein Intake Patterns on Energy Metabolism and the Motivation to Snack

NCT02795442
Conditions
Obesity
Interventions
Even protein, Skewed protein
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years to 60 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
1
States / cities
Grand Forks, North Dakota
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
Sleep, Inadequate
Interventions
Protein Nutrition During Recovery
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Natick, Massachusetts
Not listed Not applicable Interventional Accepts healthy volunteers

Low Sugar Protein Pacing, Intermittent Fasting Diet in Men and Women

NCT04327141
Conditions
Weight Loss, Gut Microbiome, Anti-Aging
Interventions
P-IF, HH
Behavioral
Lead sponsor
Skidmore College
Other
Eligibility
25 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Saratoga Springs, New York