Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 11:07 AM EDT

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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Conditions
Obesity, Cardiovascular Diseases, Heart Diseases
Interventions
Diet, Physical Activity
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Obesity, Childhood
Interventions
Baby-Feed, Limited access to the Baby-Feed web application
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
1 Month to 3 Months
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Recruiting Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic (PK) Study of Phytochemicals in Whole Grains (WGs)- Corn

NCT07767162
Conditions
Healthy Adult Females, Healthy Adult Males
Interventions
Whole-Grain Corn, Refined Corn
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Type 2 Diabetes, Type II Diabetes Mellitus, Type II Diabetes, Pre-diabetes, Pre-diabetic, Pre-diabetic State, Type 2 Diabetes Mellitus (T2DM), Type 2 Diabetes Mellitus, Type 2 Diabetes (T2DM)
Interventions
Marketing Nudges Only, Marketing Nudges + Dynamically Adapted Financial Incentives
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
45 Years to 70 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
β-cryptoxanthin Bioavailability From Biofortified Maize in Humans
Interventions
Whole grain high-BCX maize, Refined grain high-BCX maize, Whole grain white maize
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 28 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Fruit and Vegetable Biomarker Discovery

NCT05621863
Conditions
Biomarkers
Interventions
Aim 1 Meal Challenge 1, Aim 1 Meal Challenge 2, Aim 1 Meal Challenge 3, Aim 2 Typical American Diet, Aim 2 Typical American Diet Plus Test Foods, Aim 2 Dietary Guidelines for Americans Diet Plus Test Foods
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Davis, California
Conditions
Dietary Habits
Interventions
Semi-controlled dietary intervention - Western, Semi-controlled dietary intervention - MiniMed
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 69 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Liking, Acceptability and Health Benefits of Grain Products

NCT01403857
Conditions
Food Preferences
Interventions
Whole grain foods, Refined grains
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Carbohydrate Type and Cardiovascular Disease (CVD) Risk Indicators

NCT01610661
Conditions
Dyslipidemia
Interventions
Diet
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetes Mellitus, Type 2, PreDiabetes
Interventions
Mediterranean Diet (Med-Plus), Well-Formulated Ketogenic Diet (WFKD)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Conditions
Prostate Cancer
Interventions
Whole-food, Plant-Based Diet, General Nutritional Counseling
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 99 Years · Male only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • New York, New York
Recruiting Not applicable Interventional

Healthy Lifestyles for Bipolar Disorder

NCT06188754
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
Conditions
Cardiovascular Diseases
Interventions
Healthy Heart Score
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dublin, Ohio
Conditions
Colon Adenocarcinoma, Colorectal Carcinoma, Rectal Adenocarcinoma
Interventions
Dietary intervention via Text Messaging, Survey Administration, Nutrition Education
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
San Francisco, California
Withdrawn Not applicable Interventional Accepts healthy volunteers

Processing Responses of Grains (PRO-Grains) Study

NCT02186353
Conditions
Insulin Resistance, Cardiovascular Disease, Diabetes
Interventions
Partial feeding study
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Alzheimer Disease
Interventions
Lifestyle medicine
Behavioral
Lead sponsor
Preventive Medicine Research Institute
Other
Eligibility
45 Years to 90 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
4
States / cities
San Diego, California • Sausalito, California • Boston, Massachusetts + 1 more
Conditions
Metabolic Syndrome, Insulin Resistance
Interventions
Whole grain diet, Refined grain
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
35 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Corn and Heart Health Study

NCT03967990
Conditions
Gut Microbiome, Cholesterol, LDL, Cholesterol, HDL
Interventions
Refined cornmeal flour, 50/50 refined cornmeal-bran mix, Whole grain cornmeal flour
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

Measuring Daily Grain Intake Study

NCT04104581
Conditions
Healthy Volunteers
Interventions
Control Refined Grain Diet, Low Whole Grain Oat Diet, High Whole Grain Oat Diet, Low Whole Grain Wheat Diet, High Whole Grain Wheat Diet
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Beltsville, Maryland
Conditions
Diet Modification
Interventions
Controlled healthy vegetarian diet, Controlled beef diet
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
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
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Potatoes on Markers of Cardiometabolic Health

NCT03495284
Conditions
Type 2 Diabetes Mellitus, Cardiovascular Diseases
Interventions
Potato-based side dish, Refined grain-based
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
25 Years to 75 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diet on Pregnancy Outcome and Child Obesity

NCT03232762
Conditions
Pregnancy Related, Diet Modification, Obesity, Hypertension, Pre-Eclampsia, Blood Pressure, Breast Feeding, Birth Weight
Interventions
Refined Grains, Whole Grains
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Diet Modification, Lung Cancer
Interventions
Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington