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ClinicalTrials.gov public records Last synced Oct 11, 2026, 11:48 PM EDT

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Showing 97–120 of 205 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Carbohydrate Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sugar-sweetened Beverage Consumption in Overweight Adolescents

NCT00381160
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Reduction of sugar-sweetened beverage consumption
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 10, 2012 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Results available

Intermittent Fasting and a No-Sugar Diet for Long COVID Symptoms

NCT06214455
View directory record Official record
Conditions
Long Covid19, Long COVID
Interventions
Low sugar diet and 10-12 hour eating window, Low sugar diet, 8 hour eating window and fasting
Other
Lead sponsor
Pacific Northwest University of Health Sciences
Other
Eligibility
19 Years to 69 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Boulder, Colorado • Yakima, Washington
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 11, 2026, 11:48 PM EDT
Active, not recruiting Phase 2 Interventional

Preventing High Blood Sugar in People Being Treated for Metastatic Breast Cancer

NCT05090358
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Stage IV, Metastatic Breast Cancer
Interventions
Ketogenic Diet, Low Carbohydrate Diet, Alpelisib, Fulvestrant, Canagliflozin
Dietary Supplement · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
9
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 11, 2026, 11:48 PM EDT
Completed No phase listed Observational

Dietary Monosaccharide Supplementation in Patients With Congenital Disorders of Glycosylation

NCT04198987
View directory record Official record
Conditions
Congenital Disorder of Glycosylation
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
Not listed
Enrollment
20 participants
Timeline
2018 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 11, 2026, 11:48 PM EDT
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 Oct 11, 2026, 11:48 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 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional

Comparison of Healthy Diets on Breast Cancer Markers

NCT02744079
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Low carbohydrate diet, Low fat diet
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Oct 11, 2026, 11:48 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 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional

Treatment With the Specific Carbohydrate Diet for Children With Active Crohns Disease and Ulcerative Colitis

NCT02213835
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis
Interventions
Specific Carbohydrate diet (SCD)
Other
Lead sponsor
David Suskind
Other
Eligibility
8 Years to 21 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2019 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Barley Beta-glucan, Glycemic Control, and Appetite

NCT06146322
View directory record Official record
Conditions
Diet, Healthy, Blood Sugar; High, Diabetes, Appetite and General Nutritional Disorders, Appetitive Behavior
Interventions
WR, LB, MB, HB, WR+50g HFCS, LB + 50 g HFCS, MB + 50 g HFCS, HB + 50 g HFCS
Other
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Nov 24, 2023 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

iSIPsmarter: An RCT Evaluating the Efficacy of a Technology-Based Intervention to Reduce Sugary Drinks in Rural Appalachia

NCT05030753
View directory record Official record
Conditions
Diet Habit, Sugar-Sweetened Beverages
Interventions
iSIPsmarter, Patient Education (PE)
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 110 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional

Healthy Eating Through Reduction Of Excess Sugar

NCT02948647
View directory record Official record
Conditions
NAFLD
Interventions
Standard of care plus sugar-reduction education
Other
Lead sponsor
University of Southern California
Other
Eligibility
12 Years to 18 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Phase 1Phase 2 Interventional

Diabetic Educational Eating Plan

NCT00473811
View directory record Official record
Conditions
Low-GI Dietary Education, ADA Dietary Education
Interventions
Low GI, ADA diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 30, 2012 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss

NCT01749449
View directory record Official record
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2012 · Synced Oct 11, 2026, 11:48 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 Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Carbohydrate vs. Low Carbohydrate Diet in Type 2 Diabetes

NCT04416204
View directory record Official record
Conditions
Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
glycogen loading, No Glycogen Loading
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Safety and Efficacy of Low and High Carbohydrate Diets

NCT00143936
View directory record Official record
Conditions
Obesity
Interventions
Low- Carbohydrate -Atkins Diet, Low Calorie Diet
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 15, 2010 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Phase 2 Interventional

Examining the Effects of Diet on Health With an Online Program

NCT01967992
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Up@ At Home: An Intervention to Replace Sugary Drinks With Water

NCT05159622
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Water Up! at Home
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
92 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 Feb 13, 2023 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional

Safety of Low and Very Low Carbohydrate Diets in Young Children With Type 1 Diabetes

NCT03862521
View directory record Official record
Conditions
Type 1 Diabetes Mellitus, Diet Modification, Child, Only
Interventions
Low carbohydrate diet, Very low carbohydrate diet
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
2 Years to 11 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Added Sugar Intake on Brain Blood Flow and Hippocampal Function in Midlife Adults

NCT05211726
View directory record Official record
Conditions
Aging, Healthy Diet
Interventions
Low Added Sugar Diet, High Added Sugar Diet
Other
Lead sponsor
University of Delaware
Other
Eligibility
50 Years to 64 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Insulin Sensitivity Trial

NCT01027325
View directory record Official record
Conditions
Healthy, Cardiovascular Disease, Atherogenic Dyslipidemia, Insulin Resistance
Interventions
Dietary Intervention
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
20 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Berkeley, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional Results available

Effect of Low Carbohydrate Versus Low Fat Diet in the Treatment of Dyslipidemia in Obese Children With Metabolic Syndrome

NCT03937960
View directory record Official record
Conditions
Metabolic Syndrome, Obesity, Dyslipidemias
Interventions
Carbohydrate restricted group, Standard low fat diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Oct 11, 2026, 11:48 PM EDT
Completed Not applicable Interventional

The Supporting Understanding of PCOS Education and Research (SUPER) Study

NCT05452642
View directory record Official record
Conditions
Polycystic Ovary
Interventions
DASH diet, Very low-carbohydrate diet
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 11, 2026, 11:48 PM EDT