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ClinicalTrials.gov public records Last synced Oct 7, 2026, 5:09 PM EDT

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Showing 49–72 of 361 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High carbohydrate diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Obesity, Iron Regulation and Colorectal Cancer Risk

NCT03548948
View directory record Official record
Conditions
Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions
High heme iron diet, Low iron diet, Plant-based high non-heme iron diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years to 70 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Colorectal Inflammatory Response to a Western-Style Diet

NCT00932308
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Western-style diet (WD), Prudent Diet (PD)
Dietary Supplement
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 72 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 4 Interventional

Irritable Bowel Syndrome Evaluation and Treatment in Primary Care

NCT01641341
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 7, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional

Metabolic Impact of Prospective Controlled Mediterranean Type Diets on Prostate Cancer

NCT05590624
View directory record Official record
Conditions
Prostate Cancer
Interventions
Lower-Carbohydrate Med-t-Diet, Low-Fat Med-t-Diet
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 7, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition for Precision Health, Powered by the All of Us

NCT05701657
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 3 Interventional

Internet Administration of the Modified Atkins Diet for Adults With Intractable Epilepsy

NCT00436631
View directory record Official record
Conditions
Epilepsy
Interventions
Dietary management of seizures
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2015 · Synced Oct 7, 2026, 5:09 PM EDT
Terminated Not applicable Interventional

Reducing Insulin, Growth Hormones, and Tumors

NCT03785808
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 4 Interventional Results available

The Impact of Omega Three Fatty Acids on Vascular Function in HIV

NCT01041521
View directory record Official record
Conditions
High Triglyceride Level, HIV Infection
Interventions
Lovaza
Drug
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Effect of South Beach Diet (SBD™) Using SBD™ Products Compared to a Calorie-Restricted Diet in Women

NCT00932516
View directory record Official record
Conditions
Overweight
Interventions
South Beach Diet™ with South Beach Diet™ Products, South Beach Diet™, Calorie restricted diet with South Beach Diet™ Products, Calorie Restricted Diet
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Northridge, California • Bradenton, Florida • Miami, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2009 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Effects of Different Weight Loss Diets

NCT00422630
View directory record Official record
Conditions
Metabolic Syndrome X, Obesity, Insulin Resistance, Hypertension, Diabetes
Interventions
The DASH diet, The low glycemic Index Diet, Reduced calorie American Diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2011 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study to Determine the Digestive and Physiological Effects of an Extract From Bran in Healthy Men and Women

NCT01073969
View directory record Official record
Conditions
Healthy
Interventions
wheat bran extract, control wheat bran extract
Other
Lead sponsor
Kellogg Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Glen Ellyn, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2010 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Effects of Resistant Starch Diet on the Gut Microbiome in Chronic Kidney Disease

NCT03356990
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Resistant Starch
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
5 Years to 85 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Grocery Assistance Program Study

NCT02643576
View directory record Official record
Conditions
Food Assistance
Interventions
F&V Bonus, Restriction, Bonus & Restriction
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 7, 2026, 5:09 PM EDT
Active, not recruiting Not applicable Interventional

Early Intervention in Cognitive Aging

NCT02751866
View directory record Official record
Conditions
Overweight, Obesity and Other Hyperalimentation (E65-E68)
Interventions
Berry fruit powder OR nutritional ketosis, Placebo powder OR higher carbohydrate
Dietary Supplement
Lead sponsor
University of Cincinnati
Other
Eligibility
50 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 4 Interventional

Effects of Glucosamine and Chondroitin Supplementation in Women With Knee Osteoarthritis Participating in an Exercise and Weight Loss Program

NCT01271218
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Diet, Exercise
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2011 · Synced Oct 7, 2026, 5:09 PM EDT
Active, not recruiting Not applicable Interventional

Functional Snack Foods With Safflower Oil and Soy in Postmenopausal Women Having Metabolic Syndrome

NCT02199054
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diet on Pregnancy Outcome and Child Obesity

NCT03232762
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Purdue Study for the Benefits of Breakfast in the Classroom

NCT03637010
View directory record Official record
Conditions
Breakfast
Interventions
Breakfast in the Classroom
Other
Lead sponsor
Purdue University
Other
Eligibility
10 Years to 16 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Fuels Study

NCT02235038
View directory record Official record
Conditions
Obesity
Interventions
Low carbohydrate diet, Moderate carbohydrate diet, High carbohydrate diet
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
4
States / cities
Boston, Massachusetts • Framingham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 7, 2026, 5:09 PM EDT
Terminated Not applicable Interventional

Study of Dietary Composition in Crohn's Disease

NCT04431700
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease
Interventions
Anti-inflammatory diet, Regular diet
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Phase 2 Interventional Results available

Antibiotic "Dysbiosis" in Preterm Infants

NCT02784821
View directory record Official record
Conditions
Enterocolitis, Necrotizing, Bacteremia, Bronchopulmonary Dysplasia, Intraventricular Hemorrhage, Periventricular Leukomalacia, Chronic Lung Disease, Ileal Perforation
Interventions
Antibiotic, Gastric fluid, Breast milk, Stool samples, Antibiotics
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
23 Weeks to 33 Weeks
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 7, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional

Ketogenic and Nutritional Interventions for First Episode Bipolar Disorder

NCT06221852
View directory record Official record
Conditions
Bipolar I Disorder, Psychosis, Schizoaffective Disorder
Interventions
Ketogenic diet, Dietary Guidelines for Americans
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Flexibility as a Biomarker of Adaptation to Diet and Exercise Challenges

NCT01987388
View directory record Official record
Conditions
Healthy Volunteers
Interventions
High Intensity Exercise, Low Intensity Exercise, High Carbohydrate Beverage, High Fat Beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
22 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 7, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Flavonoids on Intestinal Microbiota, Intestinal Inflammation and Metabolic Syndrome

NCT02728570
View directory record Official record
Conditions
Metabolic Syndrome X, Inflammation
Interventions
High Dietary Flavonoids, Low Dietary Flavonoids
Other
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 7, 2026, 5:09 PM EDT