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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Glucose Tolerance Clear all
Completed No phase listed Observational

Oral Glucose Tolerance Testing After Gestational Diabetes

NCT02082301
View directory record Official record
Conditions
Gestational Diabetes, Pregnancy, Obesity
Interventions
Not listed
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Jul 23, 2026, 6:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Can Food Timing Reduce Your Diabetes Risk?

NCT05862818
View directory record Official record
Conditions
Dietary Habits
Interventions
Day shift protocol - Diet order A-B, Day shift protocol - Diet order B-A, Night shift protocol - Diet order A-B, Night shift protocol - Diet order B-A
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cinnamon Spice on Glucose Tolerance in Subjects With Pre-diabetes

NCT04342624
View directory record Official record
Conditions
PreDiabetes, Blood Glucose, High
Interventions
Cinnamon, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 4 Interventional Results available

The Effect of Exenatide Compared to Lantus Insulin on Vascular Function in Type 2 Diabetes

NCT00353834
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exenatide, Glargine Insulin
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Jul 23, 2026, 6:23 AM EDT
Terminated Phase 3 Interventional

Rimonabant In Prediabetic Subjects To Delay Onset Of Type 2 Diabetes

NCT00325650
View directory record Official record
Conditions
Prediabetic State
Interventions
Rimonabant, Placebo (for Rimonabant)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
35 Years to 75 Years
Enrollment
2,420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized, Crossover Study to Assess the Effects of Dietary Fiber-containing Bars on Glucose and Insulin Responses

NCT03796286
View directory record Official record
Conditions
Blood Glucose, Insulin Sensitivity, Dietary Fiber
Interventions
Medium-fiber bar, High-fiber bar, Control bar (0 g fiber)
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Boca Raton, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 2 Interventional Results available

Autoimmunity-blocking Antibody for Tolerance in Recently Diagnosed Type 1 Diabetes

NCT00129259
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Anti-CD3 mAb, Diabetes Standard of Care Treatment, Iron supplementation
Biological · Other · Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 30 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
7
States / cities
San Francisco, California • Denver, Colorado • New Haven, Connecticut + 3 more
Source: ClinicalTrials.gov public record
Updated May 21, 2017 · Synced Jul 23, 2026, 6:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vitamin D, Insulin Sensitivity, and Vascular Associations in Adolescents

NCT01041365
View directory record Official record
Conditions
Insulin Sensitivity, Flow-mediated Dilation, Arterial Stiffness
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 3 Interventional Results available

The ORIGIN Trial (Outcome Reduction With Initial Glargine Intervention)

NCT00069784
View directory record Official record
Conditions
Diabetes Mellitus, Non-Insulin-Dependent
Interventions
insulin glargine (HOE901), omega-3 polyunsaturated fatty acids (PUFA), placebo, reusable pen device for insulin injection
Drug · Device
Lead sponsor
Sanofi
Industry
Eligibility
50 Years and older
Enrollment
12,537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 30, 2013 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Avocado and Postprandial Responses

NCT06818032
View directory record Official record
Conditions
Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult, Healthy Male and Female Subjects, Healthy Subjects, Healthy Volunteers Only, Healthy Non-smokers
Interventions
Negative control, Avocado, Fat and fiber addition
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 6:23 AM EDT
Completed No phase listed Observational

Outpatient Characterization of the Variability of Insulin Secretory Parameters in the Meal Tolerance and the Maximal Stimulation Tests of Subjects With Type 2 Diabetes Mellitus

NCT02346344
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Not listed
Lead sponsor
Foundation for the National Institutes of Health
Other
Eligibility
30 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
2
States / cities
Tempe, Arizona • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 3 Interventional Results available

BLOSSOM: Behavioral Modification and Lorcaserin Second Study for Obesity Management

NCT00603902
View directory record Official record
Conditions
Obesity
Interventions
Lorcaserin 10 mg once daily (QD), Lorcaserin 10 mg twice a day (BID), Matching Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
4,008 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Jul 23, 2026, 6:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Night Owl Metabolism

NCT06507722
View directory record Official record
Conditions
PreDiabetes, Overweight, Impaired Glucose Tolerance
Interventions
Timing of OGTT, Timing of Standardized Meal
Diagnostic Test · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 23 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Lantus in Prediabetes

NCT00348972
View directory record Official record
Conditions
Hyperglycemia, Diabetes Mellitus
Interventions
Lantus® (insulin glargine)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 5, 2006 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional

Niacin for Treatment of Elevated Cholesterol and Triglycerides in HIV-Infected Patients

NCT00046267
View directory record Official record
Conditions
HIV Infections, Hypercholesterolemia, Hypertriglyceridemia, Diabetes Mellitus
Interventions
Niacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
16
States / cities
Los Angeles, California • San Diego, California • Stanford, California + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional

An Exercise Intervention to Prevent Gestational Diabetes

NCT00728377
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Physical activity, Heath & Wellness
Behavioral
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal

NCT02894112
View directory record Official record
Conditions
Oral Glucose Tolerance Test, High Fat Tolerance Test
Interventions
non-fat milk, carbohydrate control beverage, caloric control beverage
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 4 Interventional

Effects of Exenatide on Postprandial Hyperlipidemia and Inflammation

NCT00974272
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Impaired Glucose Tolerance
Interventions
Exenatide, Normal Saline
Drug · Other
Lead sponsor
Carl T. Hayden VA Medical Center
Federal
Eligibility
35 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 9, 2009 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Enhancing Fitness in Older Pre-diabetic Veterans

NCT00594399
View directory record Official record
Conditions
Impaired Glucose Tolerance, Obesity, Diabetes
Interventions
Physical Activity Counseling
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
60 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Modulating Glucose Tolerance With Dietary Tyrosine

NCT03872557
View directory record Official record
Conditions
Glucose Tolerance
Interventions
Tyrosine (TYR) Supplementation
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Results available

Effectiveness and Cost-Effectiveness of Fully-Automated Digital vs. Human Coach-Based Diabetes Prevention Programs

NCT05056376
View directory record Official record
Conditions
PreDiabetes, Hyperglycemia, Glucose, High Blood, Overweight, Prediabetic State, Impaired Glucose Tolerance, Obesity, Weight Loss, Lifestyle, Healthy, Lifestyle Risk Reduction, Lifestyle, Sedentary
Interventions
Digital Diabetes Prevention Program (dDPP), Human Coach-based Diabetes Prevention Program (hDPP)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • Reading, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycomacropeptide and Women's Health

NCT05551091
View directory record Official record
Conditions
Obesity
Interventions
glycomacropeptide (GMP)
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 90 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2022 · Synced Jul 23, 2026, 6:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Insomnia and Glucose Metabolism

NCT00724282
View directory record Official record
Conditions
Sleep, Insomnia, Insulin Resistance
Interventions
Eszopiclone, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
35 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Jul 23, 2026, 6:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Exercise and Heat Stress on Acute Cardiometabolic Adaptations in Healthy Young Adults

NCT06872762
View directory record Official record
Conditions
Exercise, Heat Strain, Control Condition
Interventions
Exercise, Heat strain
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Jul 23, 2026, 6:23 AM EDT