Search | Clinical Trials Finder

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 13, 2026, 1:16 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 175 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Oral Glucose Tolerance Test Clear all

Conditions: IGT - Impaired Glucose Tolerance, T2D
Interventions: Oral Glucose Tolerance Test, Hyperglycemic Clamp, Isoglycemic Intravenous Glucose Test, Hyperinsulinemic Euglycemic Clamp and 2H20; Diagnostic Test
Lead sponsor: Yale University; Other
Eligibility: 12 Years to 18 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2022
U.S. locations: 1
States / cities: New Haven, Connecticut

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: Transgender Women, HIV/AIDS, Cardiovascular Diseases, Metabolic Disease, Coagulopathy
Interventions: Abdominal MR Imaging, Cardiac MRI/MRS, Oral Glucose Tolerance Testing, Whole Body, Lumbar Spine, and Hip DEXA Imaging; Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 16 Years to 99 Years · Male only
Enrollment: 33 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2024
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Gestational Diabetes, Pregnancy Related
Interventions: Observational; Other
Lead sponsor: Northwestern University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 2,179 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 9
States / cities: New Haven, Connecticut • Honolulu, Hawaii • Chicago, Illinois + 5 more

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: Sleep Deprivation, Insufficient Sleep Syndrome, Sleep Wake Disorders
Interventions: Increased sleep duration; Behavioral
Lead sponsor: University of Utah; Other
Eligibility: 18 Years to 35 Years
Enrollment: 38 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2025
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Postprandial Hypoglycemia
Interventions: Exendin-(9-39), Vehicle; Drug · Other
Lead sponsor: Diva De Leon; Other
Eligibility: 6 Months to 18 Years
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2014
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Healthy Volunteers
Interventions: Sucralose, Aspartame, Acesulfame-Potassium, Control; Other
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 6 Years and older
Enrollment: 118 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2017
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Cystic Fibrosis Related Diabetes, CGM
Interventions: Continuous Glucose Monitor; Device
Lead sponsor: Northwell Health; Other
Eligibility: 10 Years to 25 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: New York, New York

Conditions: Insulin Resistance
Interventions: Oral Glucose Tolerance Test (OGTT), 3 Tesla MRI, Intravenous Catheter, Cognitive Tests; Other · Device
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 12 Years to 18 Years
Enrollment: 23 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Gestational Diabetes
Interventions: Continuous glucose monitoring for 14 days using the Freestyle LibrePro by Abbott; Other
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older · Female only
Enrollment: 1,300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Type2 Diabetes, Type 2 Diabetes Mellitus in Obese, Dysglycemia, Microvascular Complications, Brain Structure, Obesity, Childhood, Diabetes in Adolescence, Inflammation, Insulin Resistance, Overweight, Childhood, Cognitive Decline
Interventions: Observational; Other
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 12 Years to 17 Years
Enrollment: 117 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2027
U.S. locations: 2
States / cities: St Louis, Missouri • Pittsburgh, Pennsylvania

Conditions: Metabolic Syndrome
Interventions: intravenous glucose tolerance test, testosterone, anastrozole, goserelin acetate implant, aerobic capacity (VO2 Max), MRI, muscle biopsy, measurement of resting metabolic rate (energy expenditure), Dual energy x-ray absorptiometry, Fasting oral glucose tolerance test; Procedure · Drug
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 50 Years to 75 Years · Male only
Enrollment: 72 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2011
U.S. locations: 2
States / cities: Baltimore, Maryland • Boston, Massachusetts

Conditions: Adiposity
Interventions: Oral Glucose Tolerance Test; Diagnostic Test
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 40 Years
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2024
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Childhood Cancer Survivors Treated With Abdominal Radiation
Interventions: Not listed
Lead sponsor: Memorial Sloan Kettering Cancer Center; Other
Eligibility: Not listed
Enrollment: 42 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2019
U.S. locations: 1
States / cities: New York, New York

Conditions: Spinal Cord Injury
Interventions: 2 hour Oral Glucose Tolerance Test, Fat Meal Test; Procedure
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 45 Years to 75 Years
Enrollment: 170 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2017
U.S. locations: 2
States / cities: West Orange, New Jersey • The Bronx, New York

Conditions: Type 2 Diabetes
Interventions: Hyperoxia Exposure, Normoxia Exposure; Other
Lead sponsor: University of Missouri-Columbia; Other
Eligibility: 18 Years to 65 Years
Enrollment: 22 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2023
U.S. locations: 1
States / cities: Columbia, Missouri

Conditions: Cystic Fibrosis
Interventions: BMI and lean mass index from DXA, Anthropometric Measurements, Hand-grip strength, Six-minute walk Test, Sit-to-Stand Test, Short physical performance battery (SPPB), BIA Sub-study, Accelerometry to assess physical activity, Gastrointestinal (GI) and nutrition questionnaires:, Psychosocial questionnaire: PHQ-8, Psychosocial questionnaire: GAD-7, Psychosocial questionnaire: The Treatment Self-Regulation Questionnaire (TSRQ), Psychosocial questionnaire: CF Fatalism Scale, Psychosocial questionnaire: Body Esteem Scale for Adolescents and Adults (BESAA), 12-month Questionnaire, Oral glucose tolerance testing (OGTT), Continuous glucose monitoring (CGM), Chest CT scans (When available within the past 6 months in medical records), Hologic Dual X-Ray Absorptiometry (DXA), Ultrasound Sub-study of assessment of appendage muscles using ultrasound, Psychosocial questionnaire: Hunger Vital Sign questionnaire, Respiratory symptom questionnaire: CRISS, Spirometry, Psychosocial questionnaire: Additional Health Questionnaire, CF Management Questionnaire, Food Frequency Questionnaire; Diagnostic Test · Other · Device
Lead sponsor: Jaeb Center for Health Research; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2028
U.S. locations: 23
States / cities: Tucson, Arizona • Little Rock, Arkansas • Atlanta, Georgia + 19 more

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: Polycystic Ovarian Syndrome, Obesity, Hepatic Steatosis
Interventions: oral glucose tolerance test, MRI of liver; Diagnostic Test
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 12 Years to 21 Years · Female only
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Obesity and Type 2 Diabetes
Interventions: 10 mg glipizide ingestion; Drug
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 18 Years to 65 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Obesity
Interventions: Oral Glucose Tolerance Test (OGTT), Human Ghrelin, Saline; Procedure · Drug
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 21 Years to 65 Years
Enrollment: 70 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2023
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Leukemia, Lymphoma, Blood Cancer, Myelodysplastic Syndrome, Acute Myelogenous Leukemia, Non-Hodgkins Lymphoma
Interventions: Bone Marrow Transplant (BMT); Other
Lead sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins; Other
Eligibility: 60 Years and older
Enrollment: 126 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2025
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Diabetes Mellitus
Interventions: Pyridostigmine; Drug
Lead sponsor: University of Miami; Other
Eligibility: 18 Years and older
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Miami, Florida

Search by objective public record fields.

Pathogenesis of Youth Onset Type 2 Diabetes and Prediabetes

Redox Imbalance and the Development of Cystic Fibrosis Diabetes

Effects of Gender-Affirming Hormone Therapy Among Transgender Women

Glycemic Observation and Metabolic Outcomes in Mothers and Offspring

Effects of Standing on Glycemia in Prediabetic Adults

Biomarkers of Increased Free Living Sleep Time

Role of Glucagon-Like Peptide-1 in Postprandial Hypoglycemia

Metabolic Effects of Non-Nutritive Sweeteners

Continuous Glucose Monitoring Parameter and Oral Glucose Tolerance Testing (OGTT) Parameters in Children and Young Adults With Cystic Fibrosis (CF)

Insulin Resistance in Adolescents

Pilot Study of Continuous Glucose Monitoring for Postpartum Glucose Screening

Brain Health in Youth With Normal Weight, Overweight and Obesity at Risk for Type 2 Diabetes (T2D)

Insulin Sensitivity in Men With the Metabolic Syndrome

Comparing the Effects of Exercise on the Structure and Function of Fat Tissue

Assessing Insulin Sensitivity and Diabetes Risk in Childhood Cancer Survivors Treated With Abdominal Irradiation

Cardiovascular Disease Study

Targeting the Carotid Bodies to Reduce Disease Risk Along the Diabetes Continuum

Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF

Pathogenesis of the Cardiometabolic Risk in Youth With Type 1 Diabetes

Post-Prandial Liver Glucose Metabolism in PCOS

Role of KATP Channel Loss in Type 2 Diabetes

Effect of Ghrelin on Glucose Metabolism After Bariatric Surgery

Resiliency in Older Adults Undergoing Bone Marrow Transplant

AchE Inhibitor and Insulin