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Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Specific carbohydrate diet Clear all
Recruiting Not applicable Interventional

Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis

NCT07524244
View directory record Official record
Conditions
Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Ketogenic diet, Carnivore (Lion) Diet
Behavioral
Lead sponsor
Fuller Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Results available

Impact of a Low-Carbohydrate Diet in Pediatric Type 1 Diabetes

NCT03997409
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Dietary Intervention
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
13 Years to 21 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional

Dietary Oxysterols and β-Cell Function Among African Americans

NCT05072587
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Plant-based diet with no oxysterols, Standard ADA Diet (SADA)
Behavioral
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Recruiting No phase listed Observational

Healing ALS Registry Observational Study (HAROS)

NCT07233148
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS), Motor Neuron Disease (MND), Primary Lateral Sclerosis (PLS)
Interventions
Education about treatment options, Dietary Supplements: Vitamins, Minerals, Herbs, etc., Meditation, Prayer, Talk Therapy, Affirmations, Journaling, etc., Diet, various diets will be observed, Exercise, physical therapy, occupational therapy, speech therapy, sauna, EMS, massage and other therapies, ALS medications and other medications, Physical and emotional support
Other · Dietary Supplement · Behavioral + 1 more
Lead sponsor
Healing Advocates Registry and Ministry
Other
Eligibility
18 Years to 110 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2036
U.S. locations
1
States / cities
Park City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional

Wahls Paleo Diet and Progressive Multiple Sclerosis

NCT01915433
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Wahls Paleo Plus, Wahls Diet
Other
Lead sponsor
Terry L. Wahls
Other
Eligibility
30 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Phase 4 Interventional Results available

Identifying Treatments to Motivate Smokers to Quit

NCT01122238
View directory record Official record
Conditions
Smoking, Smoking Cessation, Motivation, Nicotine Dependence
Interventions
Nicotine Patch, Nicotine Gum, Motivational Interviewing, Smoking Reduction, No Intervention, Nicotine Patch + Nicotine Gum
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
517 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Sep 3, 2026, 6:01 AM 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 23, 2019 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mediterranean Style Diet and Low Glycemic Responses

NCT03410719
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Hi GI
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Sep 3, 2026, 6:01 AM 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 20, 2021 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional

Personalized Research on Diet in Ulcerative Colitis and Crohn's Disease

NCT03301311
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis, Indeterminate Colitis
Interventions
Specific Carbohydrate Diet (SCD), Modified Specific Carbohydrate Diet (MSCD)
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Short-Term Effect of a Technology Driven Weight Control (SMART) Program for Obese Adults

NCT00624598
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
SMART
Behavioral
Lead sponsor
Colorado Center for Chronic Care Innovations, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Westminster, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2008 · Synced Sep 3, 2026, 6:01 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Diet and Sleep in Vascular Health: A Pilot Study

NCT04990973
View directory record Official record
Conditions
Sleep
Interventions
Average American Diet (AAD), Mediterranean Diet
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional

Project MiNT: Assessing the Impact of Food & Video-Based Nutrition Education on Patients With Poorly Controlled Diabetes

NCT04264572
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Medically Tailored Meals, Tele-Medical Nutrition Therapy (tele-MNT)
Other · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 3, 2026, 6:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Breaking up Prolonged Sedentary Behavior to Improve Cardiometabolic Health

NCT05353322
View directory record Official record
Conditions
Sedentary Behavior, Cardiometabolic Risk Factors, Blood Pressure, Glucose
Interventions
Sedentary Break (Walking) Condition, Sitting (Control) Condition, Controlled Diet
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Phase 3 Interventional Results available

LiveSMART Trial to Prevent Falls in Patients With Cirrhosis

NCT05794555
View directory record Official record
Conditions
Cirrhosis, Liver, Portal Hypertension
Interventions
Enhanced Usual Care, Lactulose, Investigator recommended exercise, TeleTai-Chi (virtual)
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Genetic-specific Effects of Fructose on Liver Lipogenesis

NCT03783195
View directory record Official record
Conditions
NAFLD
Interventions
Sugar drink
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Sep 3, 2026, 6:01 AM EDT
Terminated Not applicable Interventional

Does Prehabilitation Improve Outcomes in Patients Undergoing Complex Spine Fusion Surgery?

NCT05034341
View directory record Official record
Conditions
Lumbar Spine Injury, Spinal Fusion, Frailty, Prehabilitation, Nutritional Supplementation, Functional Outcome
Interventions
Multimodal Prehabilitation, Standard Pre-Surgical Clinical Care
Other
Lead sponsor
University of Florida
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 3, 2026, 6:01 AM EDT
Active, not recruiting Not applicable Interventional

Dietary Therapy and Gut Microbiome in Crohn's Disease and Ulcerative Colitis

NCT02412553
View directory record Official record
Conditions
Crohn's Disease
Interventions
Specific carbohydrate diet, Elemental diet
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of a Personalized vs. Standard Approach to Weight Loss Recommendations

NCT04639076
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Behavioral Weight Loss Program, Personalized Behavioral Weight Loss Program
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
20 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Sep 3, 2026, 6:01 AM EDT
Not yet recruiting Not applicable Interventional

Di-PKD: A Pilot Trial of Dietary Intervention in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT06786260
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 3, 2026, 6:01 AM EDT
Not listed Not applicable Interventional

Blood Glucose Stability and Variability on Two Diets

NCT01443143
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Portion-controlled diet, Usual Diet
Other · Dietary Supplement
Lead sponsor
Nutrisystem, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2011 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional

Specific Carbohydrate Diet for Clostridium Difficile

NCT03925636
View directory record Official record
Conditions
Clostridium Difficile Infection, Diet Modification
Interventions
Specific Carbohydrate Diet
Dietary Supplement
Lead sponsor
David Suskind
Other
Eligibility
18 Months to 21 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Sep 3, 2026, 6:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Fatty Acid Composition and Obesity-related Metabolic Abnormalities

NCT01451970
View directory record Official record
Conditions
Overweight/Obese Women
Interventions
High Fat Diet
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 3, 2026, 6:01 AM EDT