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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Glycemic Index Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

GRAPE • Glycemic Response of Amylopectin Containing Drinks

NCT03916692
View directory record Official record
Conditions
Glycemic Index
Interventions
Carbohydrate drink, Energy smart Carbohydrate blend, Liquid Dextrose
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
30 Years to 55 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Fiber on Glycemic Index

NCT02615327
View directory record Official record
Conditions
Healthy
Interventions
8 g Polydextrose, 12 g Polydextrose, 16 g Polydextrose, Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Index of Table Grape Varietals

NCT03248609
View directory record Official record
Conditions
Healthy
Interventions
Milano grapes, Table grapes, Grape juice, Glucose beverage
Other
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Mango Consumption on Individuals with Pre-diabetes

NCT05571800
View directory record Official record
Conditions
PreDiabetes, Obesity
Interventions
Mango, Placebo
Other
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Phase 1Phase 2 Interventional

Diabetic Educational Eating Plan

NCT00473811
View directory record Official record
Conditions
Low-GI Dietary Education, ADA Dietary Education
Interventions
Low GI, ADA diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2012 · Synced Sep 3, 2026, 9:47 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Glycemic Index of Sweet Corn

NCT06847815
View directory record Official record
Conditions
Glycemic Index
Interventions
Sweet corn, Glucose Tolerance Drink
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Low Glycemic Index Nutritional Shake on Glucose Regulation in Overweight and Obese Adults

NCT06856460
View directory record Official record
Conditions
Hyperglycemia, Obesity Prevention
Interventions
powder shake with very low glycemic index, Ceral Breakfast
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
25 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 3, 2026, 9:47 AM 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 3, 2026, 9:47 AM 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 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Effects on Glycemic Index

NCT02831738
View directory record Official record
Conditions
Healthy
Interventions
Polydextrose, Control Treatment
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Early Phase 1 Interventional

Effect of High-Legume Diet on Colorectal Cancer Risk

NCT00339469
View directory record Official record
Conditions
Inflammation, Prevention and Control, Colonic Neoplasms, Diet, Insulin
Interventions
LIFE
Dietary Supplement
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 75 Years · Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Phase 2Phase 3 Interventional

Low Glycemic Load Diets in Latino Children at Risk for Type 2 Diabetes

NCT01068197
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Low Glycemic Load Diet versus Low Fat Diet
Behavioral
Lead sponsor
Nazrat Mirza
Other
Eligibility
7 Years to 14 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incorporating Avocados in Meals

NCT01271829
View directory record Official record
Conditions
Satiety, Glycemic Index, Insulin, Gastrointestinal Peptides and Hormones
Interventions
Avocado supplement, Avocado included
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
23 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2014 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Phase 4 Interventional

Efficacy of Biphasic Insulin Aspart 30 in Type 2 Diabetics Failing on OADs

NCT00791895
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
biphasic insulin aspart 30
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
15
States / cities
Phoenix, Arizona • La Jolla, California • DeLand, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Sep 3, 2026, 9:47 AM 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 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Postprandial Glycemic Response to Polyphenol-fortified Snack Bars

NCT02763020
View directory record Official record
Conditions
Blood Sugar Response
Interventions
Fruit extracts high in polyphenols, placebo
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carbohydrates and Related Biomarkers

NCT00622661
View directory record Official record
Conditions
Healthy, Overweight
Interventions
Low Glycemic Load Diet, High Glycemic Load Diet
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 4, 2012 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

GI Interlab 2 Study: Measuring the Glycaemic Index (GI) of Foods

NCT00260858
View directory record Official record
Conditions
Healthy
Interventions
Test Meal: Reference food (glucose or white bread), Test Meal: Pirate's Booty, Test Meal: Ceaprove wafer, Test Meal: Stretch Island Strawberry Fruit Leather
Drug
Lead sponsor
Glycaemic Index Testing, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
3
States / cities
Gainsville, Florida • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 8, 2006 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Index - Variability Among Individuals

NCT01023646
View directory record Official record
Conditions
Diabetes, Obesity, Metabolic Syndrome, Cardiovascular Disease
Interventions
Carbohydrate + Protein, Carbohydrate + Fat, Fiber, Carbohydrate load
Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 85 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 3, 2026, 9:47 AM EDT
Completed No phase listed Observational

Glycemic Index in Mitochondrial Disease

NCT02284334
View directory record Official record
Conditions
Mitochondrial Diseases
Interventions
test meal
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
7 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Sep 3, 2026, 9:47 AM EDT
Completed No phase listed Observational

Improved Glycemic Control in Adult Subjects With Type 1 Diabetes on MDI Using Insulin Guidance Software

NCT00552734
View directory record Official record
Conditions
Diabetes
Interventions
Insulin Guidance Software
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 12, 2015 · Synced Sep 3, 2026, 9:47 AM 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 3, 2026, 9:47 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Low-Glycemic (LGI) Diet in Pregnant People With Epilepsy

NCT06175247
View directory record Official record
Conditions
Epilepsy
Interventions
Low Glycemic Index Diet
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 3, 2026, 9:47 AM EDT
Completed Not applicable Interventional

Practice Based Nutrition Intervention-2

NCT01700868
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Vegan diet, American Diabetes Association guidelines
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 3, 2026, 9:47 AM EDT