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ClinicalTrials.gov public records Last synced Oct 1, 2026, 9:16 PM EDT

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Showing 49–72 of 167 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Glucose Tolerance Testing Clear all
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 9, 2016 · Synced Oct 1, 2026, 9:16 PM EDT
Not listed No phase listed Observational

Finding the Cause for Post-Transplant Diabetes Mellitus After Allogeneic Hematopoietic Cell Transplant

NCT03415139
View directory record Official record
Conditions
Diabetes Mellitus, Cancer
Interventions
Oral Glucose Tolerance Test (OGTT), 2 OGTTs with and without GLP-1 analogue, Hyperglycemic clamp procedure
Drug
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 1, 2026, 9:16 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Epigenetic Modifications of Diabetes Mellitus Type I

NCT01623388
View directory record Official record
Conditions
Type I Diabetes
Interventions
Oral glucose tolerance test for Phase I
Procedure
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2014 · Synced Oct 1, 2026, 9:16 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Pathogenesis of the Cardiometabolic Risk in Youth With Type 1 Diabetes

NCT04101045
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 1, 2026, 9:16 PM EDT
Terminated Not applicable Interventional

Text-message Reminders to Increase Rates of Postpartum Diabetes Screening in Women With Gestational Diabetes

NCT02013557
View directory record Official record
Conditions
Diabetes, Gestational
Interventions
Text-message reminder
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Oct 1, 2026, 9:16 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Lycopene and Isoflavones on Glucose Metabolism

NCT01377961
View directory record Official record
Conditions
Metabolic Syndrome, Diabetes Mellitus, Non-Insulin-Dependent
Interventions
Randomized pills either containing combination of lycopene and isoflavones (dietary supplements) or Placebo to be taken for 12 weeks, Screening, OGTT, Anthropometrics and Blood pressure, Blood Drawing
Drug · Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 1, 2026, 9:16 PM EDT
Completed No phase listed Observational

Glycemic Characterization and Pancreatic Imaging Correlates in Cystic Fibrosis

NCT03961516
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes, Cystic Fibrosis Liver Disease, Pancreatic Steatosis, Hepatic Steatosis
Interventions
Frequently Sampled Oral Glucose Tolerance Test and CGM, MRI Pancreas and Liver
Device · Radiation
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
6 Years to 40 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 20, 2022 · Synced Oct 1, 2026, 9:16 PM EDT
Completed No phase listed Observational

Metabolomics of Roux-en-Y Gastric Bypass (RYGB) With Gastrostomy

NCT00887302
View directory record Official record
Conditions
Type II Diabetes Mellitus, Obesity
Interventions
Gastric Band, Gastric Sleeve, Gastrostomy Tube
Procedure
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional

Supporting Transitions to Primary Care Among Under-resourced, Postpartum Women (STEP-UP)

NCT05852054
View directory record Official record
Conditions
Gestational Diabetes Mellitus, Hypertension in Pregnancy, Dysglycemia
Interventions
OB Provider Clinical Decision Support (CDS), Patient Education (OB Visit), Text messaging, Patient Outreach, Primary Care Provider Clinical Decision Support (CDS), Patient Education (Primary Care Visit)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
2,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional

EnVision CF Multicenter Study of Glucose Tolerance in Cystic Fibrosis

NCT03650712
View directory record Official record
Conditions
Cystic Fibrosis-related Diabetes
Interventions
Oral glucose tolerance test, Continuous glucose monitoring, Dexa scan
Diagnostic Test
Lead sponsor
Katie Larson Ode
Other
Eligibility
6 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Aurora, Colorado • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional

CGM Dynamic Index for Predicting Prediabetes in Cystic Fibrosis

NCT06642610
View directory record Official record
Conditions
Prediabetes, Cystic Fibrosis (CF), Cystic Fibrosis-related Diabetes
Interventions
CGM Dynamic Index (CDI)
Device
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 1, 2026, 9:16 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Early Investigation of Glucose Monitoring After Gestational Diabetes Pilot

NCT06184373
View directory record Official record
Conditions
Gestational Diabetes, Hyperglycemia
Interventions
Continuous glucose monitor, Oral Glucose Tolerance Test, Hemoglobin A1c
Device · Diagnostic Test
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 1, 2026, 9:16 PM EDT
Terminated Phase 4 Interventional Results available

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

NCT01409993
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 1, 2026, 9:16 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Transcriptional and Epigenetic Program of PCOS Women

NCT04034706
View directory record Official record
Conditions
PCOS
Interventions
DEXA, Magnetic Resonance (MR) Assessment of the Abdomen, MR assessment of Whole Body Fat, Adipose tissue biopsy, Oral glucose tolerance test
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 1, 2026, 9:16 PM EDT
Terminated Not applicable Interventional

Metabolic Syndrome in Bone Marrow Transplant Survivors

NCT00855244
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Diagnostic exams
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
9 Years to 23 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Snooze Control: Sleep Duration & Glucose Metabolism

NCT02583750
View directory record Official record
Conditions
Glucose Metabolism Disorders
Interventions
OGTT after deprived sleep first, OGTT after sufficient sleep first
Behavioral
Lead sponsor
Xuewen Wang
Other
Eligibility
18 Years to 25 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT05219994
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 1, 2026, 9:16 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Stable Isotopes- Adults With Obesity

NCT07020741
View directory record Official record
Conditions
Obese Patients (BMI ≥ 30 kg/m²), Glucose Metabolism, Protein Metabolism
Interventions
Indispensable Amino Acid Oxidation, Stable Isotope Oral Glucose Tolerance Test
Procedure
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
19 Years to 59 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Altering Physical Activity on Cardiometabolic Health

NCT01879059
View directory record Official record
Conditions
Insulin Resistance
Interventions
Exercise
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
19 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 1, 2026, 9:16 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Characterization of Diabetes Mellitus in Fibrous Dysplasia/McCune-Albright Syndrome

NCT03520153
View directory record Official record
Conditions
McCune-Albright Syndrome, Fibrous Dysplasia, Intraductal Papillary Mucinous Neoplasm, Diabetes Mellitus
Interventions
Hyperinsulinemic Euglycemic Clamp and 2H20, Hyperglycemic Clamp, Oral Glucose Tolerance Test
Procedure · Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT00915954
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT01199900
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 17, 2010 · Synced Oct 1, 2026, 9:16 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Sleep Loss and Circadian Misalignment - Mechanisms of Insulin Resistance

NCT07494084
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 1, 2026, 9:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Impact of Metformin in Teens With Polycystic Ovary Syndrome (PCOS) on Oral Contraceptive Therapy

NCT00283816
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Metformin, Oral Contraceptive Pill, Lifestyle Management Program, Quality of Life Questionnaire, Oral Glucose Tolerance Test, Blood work, Abdominal Ultra Sound, Dual-energy x-ray absorptiometry (DEXA scan), placebo
Drug · Behavioral · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2015 · Synced Oct 1, 2026, 9:16 PM EDT