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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: CARB diet Clear all
Recruiting Not applicable Interventional

Carbohydrate Beta Cell Function and Glucose Control in Children With Diabetes

NCT05899166
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Ketogenic diet, food delivery and education, Standard diet, food delivery and education
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 3, 2026, 11:50 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Integrating Metabolic and Vascular Sensors to Monitor Cardiometabolic Disorders After Nutrition Interventions

NCT06932289
View directory record Official record
Conditions
NAFLD (Nonalcoholic Fatty Liver Disease)
Interventions
Mediterranean diet (MED), high-fat/low carb diet (HF/LC), and low-fat diet (LF), The integrated sweat sensor and vascular sensor (wearable), continuous glucose monitor (CGM)
Dietary Supplement · Device
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 3, 2026, 11:50 AM EDT
Suspended Phase 2 Interventional

Paxalisib With a High Fat, Low Carb Diet and Metformin for Glioblastoma

NCT05183204
View directory record Official record
Conditions
Glioblastoma
Interventions
Paxalisib, Metformin, Ketogenic Diet
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tree Nut Consumption to Reduce Abdominal Adiposity

NCT03969264
View directory record Official record
Conditions
Millenials, Risk for Metabolic Syndrome
Interventions
High Carbohydrate or Tree Nut Food Snacks
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
22 Years to 36 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

DIETFITS Study (Diet Intervention Examining the Factors Interacting With Treatment Success

NCT01826591
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Low-Carbohydrate Diet, Low-Fat Diet, Mobile App
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years
Enrollment
609 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 3, 2026, 11:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adhering to Dietary Approaches for Personal Taste (ADAPT)

NCT03226938
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
3,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Sep 3, 2026, 11:50 AM EDT
Terminated Phase 1 Interventional

NEOBREADS: Neoadjuvant Breast Diet Study

NCT03822715
View directory record Official record
Conditions
Breast Cancer
Interventions
Carbohydrate restricted dietary intervention, standard of care aromatase inhibitors
Other · Drug
Lead sponsor
Monica Mita
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Sep 3, 2026, 11:50 AM EDT
Recruiting Not applicable Interventional

Diet Order Effects of Low Fat vs. Low Carb Diets on Body Fat Change

NCT06325722
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Low-carbohydrate Diet, Low-fat Diet
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Phase 2 Interventional

Carbohydrate Restricted Diet Intervention for Men on Prostate Cancer Active Surveillance

NCT03679260
View directory record Official record
Conditions
Prostate Cancer
Interventions
Carbohydrate restricted diet, Non-restricted diet, Phone counseling with dietitian
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Carbohydrate Type and Cardiovascular Disease (CVD) Risk Indicators

NCT01610661
View directory record Official record
Conditions
Dyslipidemia
Interventions
Diet
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fibersol-2 Clinical Trials Related to Appetite

NCT01305291
View directory record Official record
Conditions
Lack of Satiety
Interventions
placebo, digestion-resistant maltodextrin
Other · Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 62 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 27, 2011 · Synced Sep 3, 2026, 11:50 AM EDT
Completed No phase listed Observational

Type One Diabetes and Low Carb Study

NCT02839174
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Energy Balance Weight Regulation Study

NCT00619008
View directory record Official record
Conditions
Obesity
Interventions
Ad libitum low carbohydrate diet, Ad libitum High Complex Carbohydrate Diet, Energy-restricted high complex carbohydrate diet
Other
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
21 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 2, 2008 · Synced Sep 3, 2026, 11:50 AM 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 7, 2025 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Phase 4 Interventional

DaVita Assessment of Nutritional Supplement Effects (DANSE)

NCT00895401
View directory record Official record
Conditions
Malnutrition
Interventions
Nepro with Carb Steady, Standard of Care
Dietary Supplement · Other
Lead sponsor
Davita Clinical Research
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2011 · Synced Sep 3, 2026, 11:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of a Portable Solid-State Breath Acetone Testing Device for Real-Time Ketosis Status

NCT04130724
View directory record Official record
Conditions
Ketogenic Dieting, Ketosis
Interventions
Blood ketone testing, Breath ketone testing
Diagnostic Test
Lead sponsor
Readout, Inc.
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 3, 2026, 11:50 AM EDT
Terminated Not applicable Interventional

MOD Diet in Gestational Diabetes Mellitus

NCT04570111
View directory record Official record
Conditions
Gestational Diabetes
Interventions
MOD Diet, Standard Care Diet
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Sep 3, 2026, 11:50 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Starvation in the Treatment of Diabetic Ketoacidosis

NCT06186245
View directory record Official record
Conditions
Diabetes Mellitus, Diabetic Ketoacidosis
Interventions
Early feeding with an oral diet
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 89 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Intermittent Fasting, Clean Ketogenic Diet, and Their Combined Effects on Body Composition, Cardiometabolic Markers, and Metabolic Health

NCT07659093
View directory record Official record
Conditions
Healthy, Ketogen-based Therapeutic Diet, Metabolic Abnormalities
Interventions
Diet
Other
Lead sponsor
The University of Tennessee at Martin
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Martin, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 3, 2026, 11:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Dietary Protein and Monocyte/Macrophage Mammalian Target of Rapamycin (mTOR) Signaling

NCT03946774
View directory record Official record
Conditions
Dietary Protein
Interventions
Dietary protein shake
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional

Healthsnap on Epicardial Adipose Tissue Study

NCT03683888
View directory record Official record
Conditions
Obesity, Pre Diabetes
Interventions
HealthSnap, dietary counseling
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet for Obesity Hypoventilation Syndrome

NCT04108819
View directory record Official record
Conditions
Obesity Hypoventilation Syndrome, Ketogenic Dieting, Hypercapnic Respiratory Failure
Interventions
Ketogenic Diet
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Sep 3, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a High-Protein Diet and/or High-Intensity Training on Metabolic Syndrome

NCT01622634
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Sprint Interval Exercise, Higher PRO Diet, Higher CARB Diet
Behavioral · Other
Lead sponsor
University of Georgia
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Sep 3, 2026, 11:50 AM EDT
Terminated No phase listed Observational

The Effect of Ketogenic Dietary Therapy on Sleep in Adult Epilepsy

NCT04193891
View directory record Official record
Conditions
Epilepsy, Seizures
Interventions
Modified Atkins Diet
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Sep 3, 2026, 11:50 AM EDT