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ClinicalTrials.gov public records Last synced Oct 14, 2026, 4:17 PM EDT

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Showing 169–192 of 205 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Carbohydrate Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Liking Adaptation to Beverages of Varying Sweetness Levels After Prolonged Exposure

NCT04284462
View directory record Official record
Conditions
Sweetness Liking Adaptation
Interventions
Flavored carbonated soft drink (CSD)
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
25 Years to 55 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Phase 4 Interventional

Lifestyle Modification for Obesity-Related Type 2 Diabetes

NCT00415688
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Overweight, Obesity
Interventions
Low carbohydrate, ketogenic diet, Low glycemic index, reduced calorie diet
Behavioral
Lead sponsor
Robert C. Atkins Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 25, 2006 · Synced Oct 14, 2026, 4:17 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 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Carbohydrate-protein Co-ingestion on Short-term Recovery

NCT04859491
View directory record Official record
Conditions
Dietary Supplementations
Interventions
Carbohydrate, Carbohydrate-Protein, Placebo
Dietary Supplement
Lead sponsor
Erica Goldstein
Other
Eligibility
35 Years to 59 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 14, 2026, 4:17 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 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional

Carbohydrate Restriction and Prostate Cancer Growth

NCT01763944
View directory record Official record
Conditions
Prostate Cancer
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
Duke University
Other
Eligibility
20 Years and older · Male only
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Los Angeles, California • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Effects on Insulin, Gut Peptides, and Appetite

NCT01891617
View directory record Official record
Conditions
Endocrine and Metabolic Responses to Exercise and Diets
Interventions
Exercise and diets
Other
Lead sponsor
University of Michigan
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional

Determinants of Fat Malabsorption After Roux-en-Y Gastric Bypass

NCT01252511
View directory record Official record
Conditions
Severe Obesity
Interventions
RYGB for surgical treatment of severe obesity
Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2019 · Synced Oct 14, 2026, 4:17 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 14, 2026, 4:17 PM EDT
Terminated Not applicable Interventional

Examining the Effects of Diet on Health in Prediabetes With an Online Program

NCT02188823
View directory record Official record
Conditions
Prediabetes
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 14, 2026, 4:17 PM EDT
Completed No phase listed Observational

Ketogenic Diet in Lafora Disease

NCT00007124
View directory record Official record
Conditions
Lafora Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Production of Lipoproteins and Acetyl-CoA During a Ketogenic Diet

NCT03901014
View directory record Official record
Conditions
Cholesterol Metabolism, Ketone Metabolism
Interventions
Standard American diet, Very low carbohydrate diet
Other
Lead sponsor
Touro University, California
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Vallejo, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 14, 2026, 4:17 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 Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional

Impact of a LCD on Metabolic Inflexibility and Cardiovascular Risk in Liver Transplant Patients

NCT04145427
View directory record Official record
Conditions
Weight Gain
Interventions
Control, LCD
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional Results available

Dietary Carbohydrate and GERD in Veterans

NCT02384551
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Obesity
Interventions
Dietary Carbohydrate
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 14, 2026, 4:17 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults

NCT06184737
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
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 14, 2026, 4:17 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 14, 2026, 4:17 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 Oct 14, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Added Sugar Intake on Cerebrovascular Function and Brain Integrity

NCT05408338
View directory record Official record
Conditions
Healthy Diet, Healthy Aging
Interventions
Low Added Sugar Meal, High Added Sugar Meal
Other
Lead sponsor
University of Delaware
Other
Eligibility
30 Years to 64 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 14, 2026, 4:17 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Sugar Sweetened and Diet Beverages Consumed as Part of a Weight-Maintenance Diet on Fat Storage

NCT02252952
View directory record Official record
Conditions
Focus: Understanding the Obesogenic Potential of Sugars and Non-caloric Sweeteners
Interventions
Beverage Consumption
Other
Lead sponsor
Rippe Lifestyle Institute
Industry
Eligibility
20 Years to 50 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Celebration, Florida
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Oct 14, 2026, 4:17 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 14, 2026, 4:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Slowly Digestible Carbohydrates for GLP-1 Secretion

NCT07572513
View directory record Official record
Conditions
Blood Glucose, GLP-1, Satiety, Second Meal Intake, Healthy Participant Study
Interventions
Maltodextrin (Placebo), Raw Corn Starch
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 14, 2026, 4:17 PM EDT
Recruiting Not applicable Interventional

Effects of Ketosis on Brain Function in Patients With T1DM

NCT04219709
View directory record Official record
Conditions
Type1diabetes
Interventions
Very low carbohydrate diet, Standard carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 14, 2026, 4:17 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Low Fat Versus Protein Sparing Diet for Weight Loss & Impact on Biomarkers Associated With Breast Cancer Risk

NCT01559194
View directory record Official record
Conditions
Breast Cancer, Weight Loss
Interventions
Low Fat Diet plus exercise, Low Carbohydrate diet + Exercise
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
30 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Oct 14, 2026, 4:17 PM EDT