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ClinicalTrials.gov public records Last synced Sep 29, 2026, 11:16 PM EDT

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Showing 25–48 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Carbohydrate Clear all
Recruiting Not applicable Interventional

A Low-Carb Approach to Treat Type 2 Diabetes in Pediatric Patients

NCT06902077
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
low carb diet, diabetic diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
12 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional

Exercise and Nutrition on Obese Microbiome

NCT04138303
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Exercise Protocol, Calorie-Restrictive Low Carbohydrate Diet (CR-LC), Ancestral Diet (AD)
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2020 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional

Diabetes Dietary Study- Low Carbohydrate and Low-Fat Diets in Type 2 Diabetes

NCT00795691
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
low-carbohydrate diet, low-fat diet
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2019 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Diet and Systemic Inflammation

NCT01424306
View directory record Official record
Conditions
Low-grade Chronic Inflammation, Intestinal Permeability, Type 2 Diabetes Mellitus, Cardiovascular Disease, Obesity
Interventions
Fructose-sweetened beverages, Glucose-sweetened beverages, High-fructose corn syrup-sweetened beverages
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Replacing Refined Carbohydrates With Healthy Fats on Cardio-metabolic Markers

NCT02695433
View directory record Official record
Conditions
Pre-diabetes, Metabolic Syndrome
Interventions
Active, Control
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 60 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Early Childhood Obesity, Part 1: Long-term Follow-up

NCT05424471
View directory record Official record
Conditions
Obesity, Water; Lack of, Childhood Obesity, Feeding Behavior, Mother-Child Relations, Dietary Habits
Interventions
Family Spirit Nurture (FSN), Control Group - Vehicle Safety
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Shiprock, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Carbohydrate in Diet and Supplements on the Gastrointestinal Tolerability of LIK066

NCT03198767
View directory record Official record
Conditions
Obesity
Interventions
LIK066, Carbohydrate 50%, Carbohydrate 25%, Carbohydrate 8%, Carbohydrate 0%, Psyllium, Calcium carbonate
Drug · Dietary Supplement
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Sep 29, 2026, 11:16 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 Sep 29, 2026, 11:16 PM EDT
Terminated No phase listed Observational

Study of the Effect of a Very-Low-Carbohydrate Diet on Energy Expenditure

NCT01967563
View directory record Official record
Conditions
Obesity, Appetite, Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2025 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining the Ergogenic Effects of Carb10™ Supplementation on Carbohydrate-Rich and Carbohydrate-Restricted Diets

NCT03231514
View directory record Official record
Conditions
Ketogenic Dieting
Interventions
Carbohydrate Supplement (Carb10), Diet, Exercise
Dietary Supplement · Other
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 30 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2018 · Synced Sep 29, 2026, 11:16 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 Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of Carbohydrate Modification in Weight Management Among Obese Children

NCT00215111
View directory record Official record
Conditions
Childhood Obesity
Interventions
Low carbohydrate, reduced glycemic load, and a control diet
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 12 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 5, 2015 · Synced Sep 29, 2026, 11:16 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Diet and Migraine Study

NCT01859052
View directory record Official record
Conditions
Migraine, Obesity
Interventions
Low carbohydrate diet, Low calorie low fat diet, AHA diet recommendations
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
19 Years to 49 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2015 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Safety and Effectiveness of Low and High Carbohydrate Diets

NCT00079547
View directory record Official record
Conditions
Obesity
Interventions
Low-calorie diet, low-carbohydrate diet
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Sep 29, 2026, 11:16 PM EDT
Not listed Not applicable Interventional

Diet in the Management of Acromegaly

NCT05401084
View directory record Official record
Conditions
Acromegaly
Interventions
Diet
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2024 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Results available

Trial of Specific Carbohydrate and Mediterranean Diets to Induce Remission of Crohn's Disease

NCT03058679
View directory record Official record
Conditions
Crohn Disease
Interventions
Diet
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
35
States / cities
Tucson, Arizona • San Francisco, California • Denver, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Phase 2 Interventional

Effectiveness of a Low Carbohydrate Diet Versus a High Carbohydrate Diet in Promoting Weight Loss and Improved Health

NCT00200720
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
Atkins diet (low carbohydrate diet), DASH diet (high carbohydrate diet)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 6, 2012 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of High Fruit, Vegetable, and Dairy Intake on Plasma Lipids and Blood Pressure in Healthy Individuals

NCT01404897
View directory record Official record
Conditions
Cardiovascular Disease, Dyslipidemia, Blood Pressure
Interventions
Dietary Intervention
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
22 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional

Dietary Intervention in Type-2 Diabetes and Pre-Diabetes

NCT02519309
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Pre-diabetes, Metabolic Syndrome
Interventions
Virta Program
Other
Lead sponsor
Virta Health
Industry
Eligibility
21 Years to 65 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Sep 29, 2026, 11:16 PM EDT
Completed No phase listed Observational

Effects of Dietary Carbohydrate and Fat on Hormones

NCT00016848
View directory record Official record
Conditions
Healthy, Deficiency Disease
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional

Moderately Carbohydrate-restricted Diet to Treat NAFLD in Adolescents

NCT05268042
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Obesity
Interventions
Moderately carbohydrate-restricted diet, Fat-restricted diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sugar-sweetened Beverage Consumption Among Young Adults

NCT03672578
View directory record Official record
Conditions
Intention, Health Knowledge, Attitudes, Practice
Interventions
loss-frame, gain-frame, text-only, icon, attribution, no attribution, No label
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
2,971 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low-Carbohydrate Dietary Pattern on Glycemic Outcomes Trial

NCT03675360
View directory record Official record
Conditions
Diabetes, PreDiabetes, Metabolic Disease, Hyperglycemia, Diet Modification, Glucose Intolerance, Glucose Metabolism Disorders (Including Diabetes Mellitus), Endocrine System Diseases
Interventions
Low-Carbohydrate Diet
Behavioral
Lead sponsor
Tulane University School of Public Health and Tropical Medicine
Other
Eligibility
40 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Sep 29, 2026, 11:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Warning Labels and College Students' Sugar-Sweetened Beverage Intake

NCT04435145
View directory record Official record
Conditions
Diet, Healthy
Interventions
Sugar-sweetened beverage warning label
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
17 Years and older
Enrollment
1,067 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Sep 29, 2026, 11:16 PM EDT