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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Low Glycemic Index Diet Clear all
Completed Not applicable Interventional

Low Glycemic Load Diet in Patients With Stage I-III Colon Cancer

NCT02129218
View directory record Official record
Conditions
Stage I Colon Cancer, Stage II Colon Cancer, Stage III Colon Cancer, Stage I Rectal Cancer, Stage II Rectal Cancer, Stage III Rectal Cancer
Interventions
questionnaire administration, laboratory biomarker analysis, Standard Dietary Intervention, Intensified Dietary Intervention, Low glycemic load, Medium Glycemic Load
Other · Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional

Brain Small Chain Fatty Acid Metabolism in Bipolar Disorder: Ketones

NCT06335875
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Ketone Ester Beverage, Low Glycemic Index Diet
Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Results available

Effect of Dietary Glycemic Index on Beta-cell Function

NCT01386645
View directory record Official record
Conditions
Impaired Glucose Tolerance, Oxidative Stress, Prediabetes, Impaired Fasting Glucose
Interventions
low glycemic index (LGI) diet, high glycemic index (HGI) diet plus placebo (PLAC), high glycemic index diet plus N-acetylcysteine
Other · Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional

A Low Glycemic Load Diet During Pregnancy in Overweight Women

NCT00364403
View directory record Official record
Conditions
Overweight, Pregnancy
Interventions
Low glycemic load, Low fat diet
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
25 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2010 · Synced Sep 26, 2026, 1:29 PM EDT
Recruiting Not applicable Interventional

Study of Nutrition and Exercise in Adults Hospitalized for Treatment of Acute Lymphoblastic Leukemia (ALL)

NCT06785324
View directory record Official record
Conditions
Philadelphia Chromosome Negative, B Cell Acute Lymphoblastic Leukemia (B-ALL), B-ALL
Interventions
Nutrition Intervention, Exercise intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Results available

Dietary Glycemic Index, Brain Function and Food Intake in Patients With Type 1 Diabetes Mellitus

NCT02772783
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
high GI meal, low GI meal, euglycemic insulin clamp, primed-variable insulin infusion
Other · Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 26, 2026, 1:29 PM EDT
Terminated Not applicable Interventional

A Nutritional Intervention in Police Officers

NCT02651480
View directory record Official record
Conditions
Overweight, Blood Pressure, Diabetes Mellitus, Type 2
Interventions
Plant-based diet, Control Group
Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Replace Glycemic Load and Satiety Study

NCT01516333
View directory record Official record
Conditions
Glucose Blood, Glycemic Index
Interventions
High GL 107, Medium GL 76, Medium GL 68, Low GL 48
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

APOE Genotype and Diet Influences on Alzheimer's Biomarkers

NCT03070535
View directory record Official record
Conditions
Alzheimer's Disease; Dementia
Interventions
HIGH and LOW meal ingestion
Other
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

STUDY: Effects of Potatoes in a Weight Loss Program

NCT01186393
View directory record Official record
Conditions
Obesity
Interventions
Control, Low Glycemic Index, High Glycemic Index
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
2
States / cities
Davis, California • Mather, California
Source: ClinicalTrials.gov public record
Updated May 17, 2015 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Popular Diets Study

NCT00315354
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Low glycemic index diet, Low fat diet, Very low carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low-Carbohydrate Dietary Pattern on Glycemic Outcomes Trial

NCT03675360
View directory record Official record
Conditions
Diabetes, PreDiabetes, Metabolic Disease, Hyperglycemia, Diet Modification, Glucose Intolerance, Glucose Metabolism Disorders (Including Diabetes Mellitus), Endocrine System Diseases
Interventions
Low-Carbohydrate Diet
Behavioral
Lead sponsor
Tulane University School of Public Health and Tropical Medicine
Other
Eligibility
40 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 26, 2026, 1:29 PM EDT
Recruiting Not applicable Interventional

FEED-Cystic Fibrosis (FEED-CF)

NCT05766774
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes
Interventions
Low-added sugar, high-fat diet, High-added sugar, high-fat CF diet
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Index and CVD: a Crossover Feeding Study

NCT00141076
View directory record Official record
Conditions
Obesity
Interventions
low vs high glycemic index diet
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2010 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Ovarian Morphology and Function in Overweight Women During Weight Loss

NCT01785719
View directory record Official record
Conditions
Weight Loss, Anovulation, Amenorrhea, Infertility
Interventions
Commercial Weight Loss Program
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional

Low-GI Diet Vs High-GI Diet in Individuals with SCI

NCT05334342
View directory record Official record
Conditions
Spinal Cord Injuries, Postprandial Hypotension, Glucose Metabolism Disorders
Interventions
Low-GI Diet, High-GI Diet
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Pasta on Blood Glucose Response in Normal Subjects

NCT01469312
View directory record Official record
Conditions
Blood Glucose Concentration, Type 2 Diabetes, Metabolic Syndrome
Interventions
modified pasta
Other
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 10, 2011 · Synced Sep 26, 2026, 1:29 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health: Greenville

NCT01716429
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Vegan diet, Low calorie diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Results available

Improving Diet and Exercise in Acute Lymphoblastic Leukemia (IDEAL Weight in ALL)

NCT02708108
View directory record Official record
Conditions
B Precursor Type Acute Leukemia
Interventions
Dietary Intervention, Activity and Exercise Intervention
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Index and Brain Function

NCT01064778
View directory record Official record
Conditions
Obesity
Interventions
Low GI, High GI
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Sep 26, 2026, 1:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increasing Lean Protein Intake in Preschool-age Children and Assessing Effects on Cognition and Select Health Outcomes

NCT06882252
View directory record Official record
Conditions
Diet Modification
Interventions
Low glycemic index diet
Other
Lead sponsor
Sibylle Kranz, PhD, RDN
Other
Eligibility
2 Years to 5 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Metabolic Effects of Different Weight Loss Diets

NCT00422630
View directory record Official record
Conditions
Metabolic Syndrome X, Obesity, Insulin Resistance, Hypertension, Diabetes
Interventions
The DASH diet, The low glycemic Index Diet, Reduced calorie American Diet
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2011 · Synced Sep 26, 2026, 1:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health (HERHealth)

NCT01509066
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Diet
Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 26, 2026, 1:29 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 24, 2006 · Synced Sep 26, 2026, 1:29 PM EDT