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ClinicalTrials.gov public records Last synced Nov 15, 2026, 12:10 AM EST

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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Oral sugar tolerance test Clear all

Conditions: Cardiovascular Diseases, Hyperlipidemias
Interventions: Lipid Challenge, Glucose Challenge, Mixed Meal Challenge; Dietary Supplement
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 50 Years
Enrollment: 11 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Prediabetic State
Interventions: Oral glucose tolerance test; Other
Lead sponsor: University of Florida; Other
Eligibility: 18 Years to 65 Years
Enrollment: 26 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Genetic Predisposition, Metabolic Diseases, Type 2 Diabetes
Interventions: oral semaglutide, Mixed Meal Tolerance Test (MMTT); Drug · Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 65 Years
Enrollment: 125 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Insulin Resistance, Glucose Intolerance, Obesity, Atherosclerosis
Interventions: Reactive hyperemia peripheral artery tonometry (Rh-PAT), Blood levels for glucose, insulin, lipids and adipocytokines; Other
Lead sponsor: Montefiore Medical Center; Other
Eligibility: 12 Years to 18 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: The Bronx, New York

Conditions: Hypertension
Interventions: Glucose; Other
Lead sponsor: University of Florida; Other
Eligibility: 18 Years to 65 Years
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Prediabetes
Interventions: Sitting OGTT, Standing OGTT, Sitting CGM, Standing CGM; Other
Lead sponsor: University of Minnesota; Other
Eligibility: 18 Years to 65 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013
U.S. locations: 1
States / cities: Saint Paul, Minnesota

Conditions: Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis, Obesity
Interventions: Oral sugar tolerance test, De novo lipogenesis test, Gluconeogenesis test; Other
Lead sponsor: University of Oklahoma; Other
Eligibility: 10 Years to 20 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Pre-diabetic
Interventions: Sugar Pill, XOS 2.8; Dietary Supplement
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 20 Years to 70 Years
Enrollment: 18 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Transplant, Diabetes
Interventions: Oral glucose tolerance test, IV Glucose Tolerance Test; Procedure
Lead sponsor: University of Nebraska; Other
Eligibility: 19 Years to 65 Years
Enrollment: 31 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2000 – 2010
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Acromegaly, Type 2 Diabetes Mellitus
Interventions: Oral Glucose Tolerance Test, Subcutaneous administration of recombinant human IGF-1, Placebo; Diagnostic Test
Lead sponsor: Cedars-Sinai Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 28 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2014
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Prediabetes, Cardiovascular Disease
Interventions: Glucose (100g), Glucose (75g), Whole Eggs, Egg Whites, Egg Yolks; Other
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years to 50 Years · Male only
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2017
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Obesity
Interventions: Water, Sucralose; Other
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 21 Years to 40 Years
Enrollment: 17 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2012
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Gestational Diabetes
Interventions: Screening for diabetes with 1-hour GCT and HbA1; Drug
Lead sponsor: University of Illinois Chicago; Other
Eligibility: 18 Years to 49 Years · Female only
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Pre Diabetes, Insulin Resistance, Diabetes Mellitus, Type 2
Interventions: Dietary, Oral Food Challege; Other
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Enrollment: 115 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2023
U.S. locations: 1
States / cities: Stanford, California

Conditions: Cystic Fibrosis, Cystic Fibrosis Related Diabetes
Interventions: Oral Glucose Tolerance Test, Mixed Meal Tolerance Test, Hypoglycemic Clamp; Other
Lead sponsor: Yale University; Other
Eligibility: 12 Years to 45 Years
Enrollment: 7 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2017
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Impaired Glucose Tolerance
Interventions: Sildenafil, Placebo, Hyperglycemic clamp, Euglycemic clamp; Drug · Diagnostic Test
Lead sponsor: Vanderbilt University; Other
Eligibility: 18 Years and older
Enrollment: 78 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2016
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Obesity, Type 2 Diabetes
Interventions: Oral Glucose tolerance test; Diagnostic Test
Lead sponsor: Yale University; Other
Eligibility: 7 Years to 21 Years
Enrollment: 2,500 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 1999 – 2023
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Healthy
Interventions: PF-04171327, Prednisone; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years to 55 Years · Male only
Enrollment: 18 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010
U.S. locations: 1
States / cities: Kalamazoo, Michigan

Conditions: Diabetes Mellitus, Type 2, Cystic Fibrosis
Interventions: Oral Glucose Tolerance Test, High Glycemic Index Meal, Low Glycemic Index Meal, Test Soda, Fruit juice; Other
Lead sponsor: Emory University; Other
Eligibility: 1 Year and older
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2018
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Type 1 Diabetes, De Novo Lipogenesis
Interventions: Oral Glucose Tolerance Test; Diagnostic Test
Lead sponsor: Yale University; Other
Eligibility: 13 Years to 22 Years
Enrollment: 7 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Insulin Resistance, Obesity
Interventions: Not listed
Lead sponsor: University of Rochester; Other
Eligibility: 19 Years and older
Enrollment: 156 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2024
U.S. locations: 1
States / cities: Rochester, New York

Conditions: Obesity, Healthy
Interventions: PET Scan, Mixed Meal Test, Muscle sympathetic nerve activity (MSNA), Oral Glucose Tolerance Test, Body Composition, Percent Body Fat & Percent Body Water (Tanita scale), CT Scan, Body Composition, Percent Body Fat & Percent Body Water (DXA Scan); Diagnostic Test · Dietary Supplement · Other
Lead sponsor: Yale University; Other
Eligibility: 18 Years to 45 Years
Enrollment: 5 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Shift Work Schedule, Circadian Rhythm, Insulin Resistance, Circadian Misalignment
Interventions: Metyrapone And Hydrocortisone, Dextrose, insulin; Drug
Lead sponsor: Washington State University; Other
Eligibility: 18 Years to 45 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2029
U.S. locations: 1
States / cities: Spokane, Washington

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

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The Mixed Meal Challenge Study

Antihypertensive Medication Exposure as Risk for Impaired Glucose Tolerance: A PEAR Sub-Study

GLUCOSE-MGH: Genetic Links Understood Through Challenge With Oral Semaglutide Exposure at MGH

Endothelial Function in Obese Adolescents

Atenolol Exposure as Risk for Adverse Metabolic Responses to Beta Blockers

Effects of Standing on Glycemia in Prediabetic Adults

Metabolic Pathology of Pediatric NAFLD

Investigation of the Ability of a Supplement to Increase Good Bacteria in the Human Intestine and Blood Sugar Levels

The Prospective Evaluation of Pancreatic Function in Pancreas Transplant Recipients

Growth Hormone Feedback to Insulin-like Growth Factor-I (IGF-1) and Oral Glucose Tolerance Test (OGTT)

Cardioprotective Activities Of Whole Eggs On Vascular Endothelial Function In Prediabetic Adults

Sugar-replacement Sweeteners, and Blood Sugar Control

Randomization of Early Diabetes Screening Among Obese Pregnant Women.

Precision Diets for Diabetes Prevention

Role of Glucagon In Glucose Control in Cystic Fibrosis Related Diabetes

Renin-Angiotensin and Fibrinolysis in Humans: Effect of Long-Term PDE5 Inhibition on Glucose Homeostasis

Prevalence of Carbohydrate Intolerance in Lean and Overweight/Obese Children

Single Dose Study Of PF-04171327 And Prednisone On Carbohydrate Metabolism

Redox Imbalance and the Development of Cystic Fibrosis Diabetes

Pathogenesis of the Cardiometabolic Risk in Youth With Type 1 Diabetes

Studying Infant Nutrition and Blood Sugar

Sympathetic Activation in Obesity

Sleep Loss and Circadian Misalignment - Mechanisms of Insulin Resistance

Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal