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ClinicalTrials.gov public records Last synced Oct 12, 2026, 12:14 AM EDT

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Showing 169–192 of 412 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: low carbohydrate diet Clear all
Completed Not applicable Interventional

Glutamate Neuro-Excitotoxicity in GWI

NCT03342482
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Low-glutamate diet
Other
Lead sponsor
American University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intramuscular Lipid and Insulin Action:Ethnic Aspects

NCT00726908
View directory record Official record
Conditions
Obesity
Interventions
Low carbohydrate
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 15, 2012 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Specialized Diet for the Unique Metabolic Characteristics of Peripubertal African American Girls

NCT00718874
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
Dietary
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 15 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional

Remotely Delivered Behavioral Weight Loss Using an Ad Libitum Plant-Based Diet Versus a Balanced Calorie Deficit Diet

NCT05337150
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Lifestyle Modification Intervention, Balanced Calorie Deficit Eating Plan, Ad Libitum Whole Food Plant-Based Eating Plan
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Oct 12, 2026, 12:14 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 8, 2023 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Beneficial Effects of Healthy Snacks on Appetite Control, Satiety, and Reward-driven Eating Behavior in Young People

NCT01781286
View directory record Official record
Conditions
Obesity
Interventions
High Protein, Low Protein
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
13 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation

NCT03319173
View directory record Official record
Conditions
Mild Cognitive Impairment, Metabolic Syndrome
Interventions
Dietary intervention
Behavioral
Lead sponsor
Bristlecone Health, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Maple Grove, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Oct 12, 2026, 12:14 AM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Methylglyoxal (MGO) Lowering Cocktail to Reduce Appetite in Obese Individuals

NCT05083546
View directory record Official record
Conditions
Obesity, Aging
Interventions
Gly-low, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preliminary Effect of Food Processing and Sweeteners on Glycemic and Metabolic Measures

NCT05658757
View directory record Official record
Conditions
Blood Sugar; High, Blood Pressure, Dietary Habits
Interventions
Regular sweetened commercial foods, Allulose sweetened commercial foods, Whole and minimally processed and sweetened foods
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
20 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Low-Carbohydrate, Ketogenic Diet Versus Orlistat for Weight Loss

NCT00108524
View directory record Official record
Conditions
Diabetes Mellitus, Obesity
Interventions
Low carbohydrate ketogenic diet, Orlistat, Low-fat diet
Behavioral · Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 69 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2014 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Oxalate and Innate Immunity in Kidney Stone Disease

NCT04051346
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, High Oxalate Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 12, 2026, 12:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Reprometabolic Syndrome Mediates Subfertility in Obesity

NCT02653092
View directory record Official record
Conditions
Obesity, Infertility, Hypogonadotropic Hypogonadotropism, Hyperinsulinemia
Interventions
Insulin, Intralipid, Dextrose, Heparin, GnRH, Hyperinsulinemic Euglycemic Clamp
Drug · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 12, 2026, 12:14 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 26, 2018 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Phase 4 Interventional Results available

Abstinence Reinforcement Therapy (ART) for Homeless Veteran Smokers

NCT02245308
View directory record Official record
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development of an Adaptive Treatment for Weight Loss in People With Prediabetes

NCT04745572
View directory record Official record
Conditions
PreDiabetes, Obesity
Interventions
High Carbohydrate Diet, Reduced Carbohydrate Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 12, 2026, 12:14 AM EDT
Terminated Not applicable Interventional

Ketogenic Diet in Patients With Heart Failure

NCT04235699
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Nutritional and Dietary Manipulation
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 12, 2026, 12:14 AM EDT
Withdrawn Not applicable Interventional

Effect of a Dietary Intervention on Intracellular Lipid Levels, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT04088981
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial to Assess the Effects of Diets With and Without Inulin on Energy Expenditure in Adults.

NCT06923332
View directory record Official record
Conditions
Healthy, Overweight or Obese Adults
Interventions
High Fiber bar with Inulin, Low fiber bar - no inulin
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Phase 1Phase 2 Interventional

Development of a Polyphenol-rich Dietary Preparation for Treating Veterans With Gulf War Illness

NCT02915237
View directory record Official record
Conditions
Gulf War Illness
Interventions
Concord grape juice, Placebo Beverage
Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
East Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Consuming Palm Oil With Different Macronutrient Intakes on Blood Lipids

NCT02922062
View directory record Official record
Conditions
Cardiovascular Diseases, Inflammation
Interventions
Canola Oil, Palm Oil, Butter
Other
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 12, 2026, 12:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Glycemic/Insulinemic Effects of Fresh Mango as a Sugar Substitute in Realistic Breakfasts.

NCT07045051
View directory record Official record
Conditions
Healthy Participants
Interventions
Low-Glycemic Breakfast Containing Oats and Mango, High-Glycemic Breakfast Containing Cereal and Mango, Low-Glycemic Breakfast Containing Oats and Table Sugar, High-Glycemic Breakfast Containing Cereal and Table Sugar
Other
Lead sponsor
Ball State University
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 12, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Dietary Intervention on Insulin Requirements in Type 1 Diabetes

NCT04944316
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 12, 2026, 12:14 AM EDT
Not listed Not applicable Interventional

Effect of DASH Eating Pattern on Heart Failure Outcomes

NCT03538990
View directory record Official record
Conditions
Heart Failure NYHA Class III
Interventions
DASH Eating Pattern
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 16, 2018 · Synced Oct 12, 2026, 12:14 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Effect of Nutritional Supplementation on Actinic Purpura: A Pilot Study

NCT06840574
View directory record Official record
Conditions
Skin Health, Skin Aging of Face and Hands, Healthy, Ecchymosis
Interventions
Cyruta Plus: A Whole-Food Based Vitamin C supplement containing organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine adrenal Cytosol™ extract, oat flour, honey, ascorbic acid, Low Dose Vitamin C, High Dose Vitamin C
Dietary Supplement
Lead sponsor
Standard Process Inc.
Industry
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 12, 2026, 12:14 AM EDT