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ClinicalTrials.gov public records Last synced Oct 3, 2026, 11:25 PM EDT

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Showing 25–48 of 180 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: obese carbohydrate diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Epigenetic Modifications in Obese Aging Women

NCT01977885
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 25, 2015 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Phase 2 Interventional Results available

Reduced Carbohydrate Versus Fat in Obese Subjects

NCT00846040
View directory record Official record
Conditions
Obesity
Interventions
Reduced fat diet, Reduced carbohydrate diet, Drug: f-18 fallypride, fMRI, PET
Other · Drug · Device
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 15, 2021 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional

Lifestyle Intervention Feasibility for Arrhythmia and Symptoms With Intermittent Fasting (LIFE AS IF)

NCT04090840
View directory record Official record
Conditions
Obesity, Morbid Obesity, Diabetes Mellitus, Type 2, Atrial Fibrillation
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional

Longitudinal Effects of a Commercial Digital Weight Management Program on Weight Loss

NCT06666842
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Noom Weight, Educational Control
Behavioral
Lead sponsor
Noom Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CO-OP Trial: Community-based Outreach on Obesity in Pregnancy

NCT01841424
View directory record Official record
Conditions
Obesity, Pregnancy
Interventions
Dietary counseling. Maintain a food diary.
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Oct 3, 2026, 11:25 PM EDT
Not listed Not applicable Interventional

Weight Loss and Abdominal Fat Responses to Different Diet Compositions

NCT01034046
View directory record Official record
Conditions
Obesity, Insulin Resistance, Metabolic Syndrome
Interventions
Low Carbohydrate Diet, Low Fat Diet
Other
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 30, 2010 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional

Effect of South Beach Diet (SBD™) Using SBD™ Products Compared to the American Diabetic Association (ADA) Diabetes Meal Plan on Body Weight and Satiety in Diabetic Women

NCT00931034
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
South Beach Diet with South Beach Diet Products, American Diabetes Association Diabetes Meal Plan
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Northridge, California • Bradenton, Florida • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2009 · Synced Oct 3, 2026, 11:25 PM EDT
Recruiting Phase 2 Interventional

Caloric Restriction and Activity to Reduce Chemoresistance in B-ALL

NCT05082519
View directory record Official record
Conditions
B-cell Acute Lymphoblastic Leukemia, Obesity
Interventions
IDEAL2 Intervention
Behavioral
Lead sponsor
Etan Orgel
Other
Eligibility
7 Years to 25 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
16
States / cities
Los Angeles, California • Orange, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 3, 2026, 11:25 PM EDT
Not yet recruiting Phase 2 Interventional

Palmitic Acid and Human Microvascular Function

NCT06683534
View directory record Official record
Conditions
Microvascular Dysfunction, Microvasculature, Cardiovascular Diseases, Cardiovascular Diseases (CVD), Microvascular Health, Obesity and Overweight
Interventions
Quercetin (dietary supplement), Placebo
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

UCSD Take Charge Study

NCT01345500
View directory record Official record
Conditions
Overweight, Obese, Obesity, Diabetic, Type 2 Diabetes
Interventions
Higher Carbohydrate, Lower Fat Diet, Lower carbohydrate, Higher fat diet, Individualized Counseling
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
La Jolla, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 14, 2013 · Synced Oct 3, 2026, 11:25 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Modifying Diet to Improve Gut Microbiome

NCT03924778
View directory record Official record
Conditions
Obesity
Interventions
DASH diet, standard American diet
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 3, 2026, 11:25 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Obesity on Endogenous Oxalate Synthesis

NCT03704350
View directory record Official record
Conditions
Kidney Stone
Interventions
controlled diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity Risk in African American Women is Determined by a Diet-by-phenotype Interaction

NCT03499509
View directory record Official record
Conditions
Diet Modification
Interventions
Low Glycemic Diet, High Glycemic Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of a Sugar-Sweetened Beverage Intervention in Overweight Mothers and Their Children Ages 3-5

NCT02098902
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Smart Moms Intervention
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
3 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2015 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Phase 2 Interventional Results available

Investigation of the Gut Microbiota in Regulating Nutrient Absorption in Humans

NCT02037295
View directory record Official record
Conditions
Obesity
Interventions
Vancomycin, Placebo oral tablet, Overfeeding diet (OF), Underfeeding diet (UF)
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relation of Obesity With Frequency of Meals (MST 0557)

NCT00229255
View directory record Official record
Conditions
Obesity, Insulin Resistance, Fatty Liver
Interventions
high frequency of meals, twice a day meals
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Results available

Reach for Health Study: Obesity-related Mechanisms and Mortality in Breast Cancer Survivors

NCT01302379
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Metformin, Placebo, Lifestyle intervention, Standard printed dietary guidelines
Drug · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
Female only
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2020 · Synced Oct 3, 2026, 11:25 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 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Community-based Study to Target Childhood Obesity

NCT02890056
View directory record Official record
Conditions
Obesity
Interventions
H2GO!
Behavioral
Lead sponsor
Boston University
Other
Eligibility
9 Years to 12 Years
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Phase 4 Interventional

A Very High Fiber Diet Versus a Low-carbohydrate Diet for Weight Loss

NCT01051674
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
High fiber vs. low-carbohydrate diets
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2014 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sugar-sweetened Beverage Consumption Among Children

NCT04025060
View directory record Official record
Conditions
Pediatric Obesity, Diet, Food, and Nutrition
Interventions
Commercially-available caffeine-free soda, Carbonated water, Regular soda
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
8 Years to 11 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced Oct 3, 2026, 11:25 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Healthy Diet and Lifestyle Study II

NCT05132686
View directory record Official record
Conditions
Intra-Abdominal Fat
Interventions
IER+MED, MED/DER
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
35 Years to 69 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 3, 2026, 11:25 PM EDT
Completed Not applicable Interventional

Nutrition for Asthmatics with Obesity

NCT05222451
View directory record Official record
Conditions
Asthma, Obesity
Interventions
DGA Diet, MCT Diet, KETO Diet
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 3, 2026, 11:25 PM EDT
Terminated Not applicable Interventional

A Study of a Low-Carbohydrate Diet to Improve Maternal Health After Childbirth

NCT04045353
View directory record Official record
Conditions
Obesity, Postpartum Weight Retention, Insulin Sensitivity
Interventions
Low carbohydrate diet education, Low carbohydrate diet education with behavioral component
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 3, 2026, 11:25 PM EDT