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ClinicalTrials.gov public records Last synced Sep 17, 2026, 5:53 AM EDT

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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 2 hour Oral Glucose Tolerance Test Clear all
Completed No phase listed Observational

Alternate Measures of Glucose During OGTT Testing for CFRD

NCT05568134
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes
Interventions
Oral glucose tolerance test
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
10 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Sep 17, 2026, 5:53 AM EDT
Terminated Phase 3 Interventional

Randomization of Early Diabetes Screening Among Obese Pregnant Women.

NCT03116009
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Screening for diabetes with 1-hour GCT and HbA1
Drug
Lead sponsor
University of Illinois at 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
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Impact of Inflammation on Reward Circuits, Motivational Deficits and Negative Symptoms in Schizophrenia

NCT03818516
View directory record Official record
Conditions
Schizophrenia
Interventions
Oral Glucose Tolerance Test (OGTT)
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 59 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Results available

Effectiveness of Metformin Compared to Insulin in Pregnant Women With Mild Preexisting or Early Gestational Diabetes

NCT00835861
View directory record Official record
Conditions
Non Insulin Dependent Diabetes, Pregnancy
Interventions
Metformin, Insulin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 17, 2026, 5:53 AM EDT
Terminated Not applicable Interventional

The Impact of Time Restricted Eating on Type 2 Diabetes

NCT06887543
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Meal timing, Time restricted eating, Usual feeding pattern.
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 17, 2026, 5:53 AM EDT
Active, not recruiting No phase listed Observational

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

NCT05639556
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 17, 2026, 5:53 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Blood Markers of Early Pancreas Cancer

NCT03568630
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, PreDiabetes, Pancreas Cyst, Chronic Pancreatitis, Genetic Predisposition to Disease, Inherited Disease
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Arginine Metabolism in Youth With Type 2 Diabetes

NCT05477134
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Stable isotope infusion, oral glucose ingestion, intravenous arginine bolus
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
12 Years to 20 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Phase 3 Interventional

US Inhaled Insulin Dose Titration Study

NCT00246623
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Exubera (inhaled insulin), 8-point glucose diary (to assess pre- and post prandial glucoses), Meal Tolerance Test, 24-hour continuous glucose monitoring (at select sites), Pulmonary Function Testing, Hypoglycemic Event Monitoring, Laboratory Assessments, Nutritional Counseling and Diabetes Education
Drug · Procedure · Behavioral
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • New Britain, Connecticut + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2008 · Synced Sep 17, 2026, 5:53 AM 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 8, 2019 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacogenomics of the Variability in the In Vivo Response to Glucocorticoids

NCT03023891
View directory record Official record
Conditions
Glucocorticoids Toxicity, Glucose Intolerance
Interventions
Prednisone
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Reproducibility and Clinical Utility of an Abbreviated Fat Tolerance Test

NCT04437459
View directory record Official record
Conditions
Dyslipidemias, Metabolic Syndrome
Interventions
High-fat shake, Pure glucose solution
Other
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Two Screening Strategies for Gestational Diabetes (GDM2)

NCT02309138
View directory record Official record
Conditions
Gestational Diabetes, Pregnancy, Glucose Intolerance
Interventions
Gestational diabetes screening with fasting 3 hour 100 gm, Gestational diabetes screening with fasting 2 hour 75g
Diagnostic Test
Lead sponsor
Esa M Davis, MD MPH FAAFP
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
921 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 19, 2020 · Synced Sep 17, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Phenotyping Genetic Risk for Type 2 Diabetes

NCT04024631
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Genetics
Interventions
75g glucose beverage (Glucola, Trutol, or similar brand), DXA, whole body
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
10 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 17, 2026, 5:53 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 Sep 17, 2026, 5:53 AM EDT
Not yet 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 May 14, 2026 · Synced Sep 17, 2026, 5:53 AM EDT
Completed No phase listed Observational

Evaluating for Type-2 Diabetes in the Very Early Postpartum Period

NCT01988987
View directory record Official record
Conditions
Diabetes, Gestational, Prediabetic State, Glucose Metabolism Disorders, Diabetes Mellitus
Interventions
Inpatient Postpartum GTT
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 17, 2026, 5:53 AM EDT
Completed No phase listed Observational

Cardiovascular Disease Study

NCT00857194
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 17, 2026, 5:53 AM 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 19, 2022 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Results available

Ox Bile- Conjugated Bile Acids Sodium in Type II Diabetes Mellitus

NCT02871882
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obese, Overweight
Interventions
Gastric Emptying test, Mixed Oral Glucose Tolerance test, Conjugated bile acids sodium, Placebo
Radiation · Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Endothelial Function in Obese Adolescents

NCT01879033
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 21, 2019 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Results available

Chloroquine to Treat People With Metabolic Syndrome Aim2 (ARCH-MS)

NCT00455325
View directory record Official record
Conditions
Metabolic Syndrome X, Overweight, Hypertension, Dyslipidemias, Prediabetic State
Interventions
Placebo Comparator: First Intervention (3 weeks), Active Comparator: Second Intervention (3 weeks), Active Comparator: Third Intervention (3 weeks), Active Comparator: Fourth Intervention (3 weeks)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Sep 17, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT05328570
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Sep 17, 2026, 5:53 AM 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 26, 2023 · Synced Sep 17, 2026, 5:53 AM EDT