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Showing 1–24 of 150 matching trials from the live ClinicalTrials.gov search.
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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 8, 2026, 5:43 PM EDT
Terminated Not applicable Interventional

The Effects of a Low Carbohydrate, Non-Ketogenic Diet Versus Standard Diabetes Diet on Glycemic Control in Type 1 Diabetes

NCT03544892
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Low carbohydrate diet, Standard of care diet
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 30 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 8, 2026, 5:43 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Muscle Insulin Resistance in Aging (Mirage)

NCT02230839
View directory record Official record
Conditions
Insulin Resistance, Sarcopenia
Interventions
Exercise, Energy Restriction-Induced Weight Loss
Behavioral
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
65 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 8, 2026, 5:43 PM EDT
Completed No phase listed Observational

EMPOWER-PULM (PULMonary Outcomes in Older Adults Empowered With Movement to Prevent Obesity and Weight Regain)

NCT03621098
View directory record Official record
Conditions
Obesity, Pulmonary Disease, Dyspnea
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Sep 8, 2026, 5:43 PM EDT
Active, not recruiting Not applicable Interventional

Development of an Inclusive Adaptive Treatment Strategy for Weight Loss in People With Prediabetes Using a Sequential Multiple Assignment Randomized Trial

NCT06976307
View directory record Official record
Conditions
Disabilities, Obesity and Overweight, Prediabetes
Interventions
High Carbohydrate Diet, Reduced Carbohydrate Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Terminated Phase 2 Interventional

A Window of Opportunity Study of Methionine Deprivation in Triple Negative Breast Cancer

NCT03186937
View directory record Official record
Conditions
Breast Cancer, Triple Negative Breast Cancer
Interventions
hominex-2
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Effect of Macrocomposition on Nonalcoholic Fatty Liver Disease (NAFLD) in Bariatric Surgery Candidates

NCT00887393
View directory record Official record
Conditions
Morbid Obesity, Non-alcoholic Fatty Liver Disease
Interventions
low carbohydrate diet, low-fat diet
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity Risk in African American Women is Determined by a Diet-by-phenotype Interaction

NCT03499509
View directory record Official record
Conditions
Diet Modification
Interventions
Low Glycemic Diet, High Glycemic Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Approaches for Cardiometabolic Health

NCT03527290
View directory record Official record
Conditions
Obesity, Abdominal, Dyslipidemias, Insulin Resistance, Blood Pressure, Weight Loss
Interventions
Time Restricted Eating, Standard Cardiometabolic Health Diet
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
22 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Sep 8, 2026, 5:43 PM EDT
Not listed Phase 2Phase 3 Interventional

The Effects of Exenatide After Gastric Restriction

NCT00872378
View directory record Official record
Conditions
Morbid Obesity
Interventions
Exenatide, Placebo
Drug
Lead sponsor
Advanced Specialty Care
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Bend, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 30, 2009 · Synced Sep 8, 2026, 5:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Test of Five Weight Neutral Interventions to Improve Health Among Adults of Higher Body Weight

NCT07363616
View directory record Official record
Conditions
Obesity & Overweight, Cardiometabolic Risk Factors
Interventions
Mediterranean eating style, Physical activity, Mindful Eating, Body Appreciation, Enjoyable Exercise
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Recruiting Not applicable Interventional

Time Restricted Eating (TRE) in Bipolar Disorder

NCT07211217
View directory record Official record
Conditions
Bipolar Disorder (BD), Bipolar Disorder Depression, Overweight (BMI > 30)
Interventions
Time Restricted Eating
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Understanding the Mechanism(s) of Action on the Modified Atkins Diet for Epilepsy: Human Brain Tissues

NCT02565966
View directory record Official record
Conditions
Epilepsy
Interventions
Modified Atkins Diet (MAD)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Livingston, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Calorie Restriction in Multiple Sclerosis Patients

NCT02411838
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Calorie restriction
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mediterranean Diet and Weight Loss: Targeting the Bile Acid/Gut Microbiome Axis to Reduce Colorectal Cancer

NCT04753359
View directory record Official record
Conditions
Colorectal Cancer, Diet Habit
Interventions
Med, WL
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Effect of South Beach Diet (SBD™) Using SBD™ Products Compared to a Calorie-Restricted Diet in Women

NCT00932516
View directory record Official record
Conditions
Overweight
Interventions
South Beach Diet™ with South Beach Diet™ Products, South Beach Diet™, Calorie restricted diet with South Beach Diet™ Products, Calorie Restricted Diet
Behavioral
Lead sponsor
Mondelēz International, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Northridge, California • Bradenton, Florida • Miami, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2009 · Synced Sep 8, 2026, 5:43 PM EDT
Terminated Phase 3 Interventional

A 14-Month Study On The Effects Of CP-945,598 For The Prevention Of Weight Regain In Obese Patients

NCT00483171
View directory record Official record
Conditions
Obesity
Interventions
CP-945,598, Non-pharmacological weight loss program (NPP), Low Calorie Diet
Drug · Behavioral
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
699 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
La Jolla, California • Denver, Colorado • Baton Rouge, Louisiana + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2012 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

A Pilot Study to Determine the Efficacy of a Low Carbohydrate Diet in Treatment of Adolescents With Metabolic Syndrome

NCT00940966
View directory record Official record
Conditions
Elevated Triglycerides, Systolic Hypertension, Insulin Resistance, Abdominal Obesity
Interventions
standard ADA diet, energy restricted very-low carbohydrate diet, low glycemic diet
Dietary Supplement
Lead sponsor
CAMC Health System
Other
Eligibility
12 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Groceries for Black Residents of Boston to Stop Hypertension Among Adults With Treated Hypertension

NCT05393232
View directory record Official record
Conditions
Hypertension
Interventions
Dietitian-Assisted DASH groceries, Self-directed shopping
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Phase 3 Interventional Results available

Improving Reproductive Fitness Through Pretreatment With Lifestyle Modification in Obese Women With Unexplained Infertility

NCT02432209
View directory record Official record
Conditions
Infertility, Female
Interventions
Caloric Restriction, Orlistat, Moderate physical activity
Other · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
10
States / cities
San Francisco, California • Augusta, Georgia • Southfield, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Electrophysiologic Changes in Blacks Treated With CBT for Insomnia

NCT02741336
View directory record Official record
Conditions
Insomnia
Interventions
Cognitive Behavioral Therapy for Insomnia (CBT-I), Self-Monitoring
Behavioral
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
30 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Sep 8, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cancer Dietary Objectives Study

NCT00561977
View directory record Official record
Conditions
Cancer, Heart Disease
Interventions
High Fiber Diet, low saturated fat diet, Combination diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Sep 8, 2026, 5:43 PM EDT
Not listed Not applicable Interventional

Optimization of Diet Before Surgery (OptiSurg)

NCT04627688
View directory record Official record
Conditions
Surgery, Time Restricted Feeding
Interventions
Time restricted feeding, Standard dietary advices
Behavioral
Lead sponsor
Centre Hospitalier Universitaire Vaudois
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Sep 8, 2026, 5:43 PM EDT
Terminated Not applicable Interventional Results available

Effect of Moderate Caloric Restriction on Glomerular Growth After Kidney Transplantation

NCT03607500
View directory record Official record
Conditions
Kidney Transplant; Complications, Glomerular Disease, Weight Gain, Kidney Transplant
Interventions
caloric intake reduction
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 8, 2026, 5:43 PM EDT