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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 Not applicable Interventional Accepts healthy volunteers

Full-fat Yogurt and Glucose Tolerance

NCT03577119
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Full-fat yogurt, Non-fat yogurt
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of an Obesogenic Lifestyle in Recreationally Active, Young Adults

NCT05912348
View directory record Official record
Conditions
Insulin Resistance, Impaired Glucose Tolerance, Obesity, Metabolic Disturbance
Interventions
Low Physical Activity and Added Carbohydrate Group, Low physical Activity Control, High Physical Activity and Added Carbohydrate Group
Behavioral
Lead sponsor
University of New Hampshire
Other
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Durham, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pre-diabetes in Subject With Impaired Fasting Glucose (IFG) and Impaired Glucose Tolerance (IGT)

NCT02969798
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Impaired Glucose Tolerance (IGT), Impaired Fasting Glucose (IFG)
Interventions
Dapagliflozin, Saxagliptin, Pioglitazone, Metformin
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vascular Function, Insulin Sensitivity, and Vitamin D

NCT01041547
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
19 Years to 60 Years
Enrollment
63 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 Sep 17, 2026, 4:09 AM EDT
Not listed No phase listed Observational

Body Composition Assessment in Spinal Cord Injury

NCT00957762
View directory record Official record
Conditions
Diabetes Mellitus, Body Composition, Tetraplegia, Paraplegia, Spinal Cord Injury
Interventions
Body composition
Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2009 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of PPAR Ligands on Ectopic Fat Accumulation and Inflammation

NCT00470262
View directory record Official record
Conditions
Metabolic Syndrome X, Prediabetic State
Interventions
Fenofibrate 145mg PO QD, Pioglitazone 45 mg PO QD
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Phase 2 Interventional Results available

Hydroxychloroquine in Individuals At-risk for Type 1 Diabetes Mellitus

NCT03428945
View directory record Official record
Conditions
Type1 Diabetes Mellitus
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
37
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 33 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Metabolic Effect of Metformin in Obese Insulin Resistant Adolescents With Normal Glucose Tolerance

NCT00667498
View directory record Official record
Conditions
Pediatric Obesity, Insulin Resistance, Hyperinsulinemia
Interventions
Metformin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
13 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 17, 2009 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Effects of Recombinant Human Glutamic Acid Decarboxylase on the Progression of Type 1 Diabetes in New Onset Subjects

NCT00529399
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
GAD-Alum, GAD-Alum and Aluminum hydroxide, Aluminum hydroxide
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years to 45 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
14
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 2 Interventional

Effects of Quercetin on Blood Sugar and Blood Vessel Function in Type 2 Diabetes.

NCT01839344
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Quercetin, Acarbose, placebo
Dietary Supplement · Drug
Lead sponsor
Bastyr University
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Kisspeptin Glucose-Stimulated Insulin Secretion With Oral Glucose Tolerance Test

NCT04958109
View directory record Official record
Conditions
Metabolic Diseases
Interventions
Oral Glucose Tolerance Test, Kisspeptin, Placebo
Diagnostic Test · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Phase 1Phase 2 Interventional

Pancreatic Islet Transplantation Into the Anterior Chamber of the Eye

NCT02846571
View directory record Official record
Conditions
Diabetes
Interventions
Human Pancreatic Islet Transplantation
Biological
Lead sponsor
Midhat H. Abdulreda
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Intermittent Fasting and Dietary Supplement Regimen on Glycemic Variability

NCT05493553
View directory record Official record
Conditions
Healthy, Impaired Glucose Tolerance
Interventions
Dietary supplement regimen, Dietary supplement and intermittent fasting regimen
Dietary Supplement · Other
Lead sponsor
Unicity International, Inc.
Industry
Eligibility
30 Years to 69 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 1 Interventional

A Single Dose, Tolerance and Pharmacokinetic Study in Obese or Overweight Type 2 Diabetic Volunteers

NCT00606112
View directory record Official record
Conditions
Diabetes Mellitus, Obesity
Interventions
Trodusquemine (MSI-1436)
Drug
Lead sponsor
Genaera Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2009 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting No phase listed Observational

Pregnancy and Postpartum CGM in GDM

NCT07174245
View directory record Official record
Conditions
Gestational Diabetes
Interventions
continuous glucose monitor
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Bariatric Surgeries on Glucose Metabolism

NCT02823665
View directory record Official record
Conditions
Post Bariatric Surgery, Gastric Bypass, Sleeve Gastrectomy, Hypoglycemia After Gastric Bypass
Interventions
Exendin-(9-39), Atropine
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerance of Centrifuge-induced Acceleration in Subjects With Diabetes Mellitus and Cardiac Arrhythmia

NCT05404789
View directory record Official record
Conditions
Diabetes Mellitus, Arrhythmias, Cardiac
Interventions
Centrifugation
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Evaluation of Kisspeptin Glucose-Stimulated Insulin Secretion With Physiologic Mixed Meal Tolerance

NCT04532801
View directory record Official record
Conditions
Insulin, Glucose, Healthy Volunteers, Women, Pregnancy
Interventions
Kisspeptin-10, mixed meal tolerance test
Drug · Other
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional

Effects of Branch Chain Amino Acids on Glucose Tolerance in Obese Pre-Diabetic Subjects

NCT02684565
View directory record Official record
Conditions
Prediabetic State
Interventions
BCAA High Protein supplement, BCAA Low Protein supplement
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2018 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of the Effect of Purple Rice on Glucose Tolerance, Serum Lipids and Inflammation

NCT01720511
View directory record Official record
Conditions
Type 2 Diabetic
Interventions
Purple Rice, Brown Rice
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

GLU-xx Formulations in Individuals With Impaired Glucose Tolerance

NCT01468376
View directory record Official record
Conditions
Impaired Glucose Tolerance
Interventions
GLU-01, GLU-02, GLU-03, GLU-04, GLU-05, GLU-06
Dietary Supplement
Lead sponsor
Afexa Life Sciences Inc
Industry
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Northridge, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2012 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational

Challenging the Gold Standard: Pilot Study Comparing Continuous Glucose Monitoring System (CGMS), Capillary Glucose Monitors and 3 Hour Glucose Tolerance Test (GTT) to Diagnose Gestational Diabetes Mellitus (GDM)

NCT01074489
View directory record Official record
Conditions
Diabetes, Gestational
Interventions
Not listed
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Study of TNF-Antagonism in the Metabolic Syndrome (II)

NCT00413400
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Etanercept, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2010 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrate Supplementation and Exercise Tolerance in Patients With Type 2 Diabetes

NCT02804932
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement · Other
Lead sponsor
Darren P Casey
Other
Eligibility
40 Years to 77 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced Sep 17, 2026, 4:09 AM EDT