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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Glucose challenge test Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Sleep and Meal Timing on Food Intake Regulation

NCT02347020
View directory record Official record
Conditions
Obesity, Diabetes Mellitus, Type II, Cardiovascular Disease
Interventions
Normal Sleep/ Normal Meal, Normal Sleep/ Late Meal, Late Sleep/ Normal Meal, Late Sleep/ Late Meal
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 49 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Sep 27, 2026, 4:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of Carbohydrate Intolerance in Lean and Overweight/Obese Children

NCT01967849
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 27, 2026, 4:55 AM EDT
Recruiting Not applicable Interventional

Mechanisms of Ultrasound Neuromodulation Effects in Diabetes

NCT06042517
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Ultrasound, OGTT with unlabeled glucose and liver NMR, OGTT with carbon-13 labeled glucose and liver NMR, CGM glucose reading, HEC - Hyperinsulinemic-Euglycemic-Clamp
Device · Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 27, 2026, 4:55 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mapping the Shift Worker's Microbiome

NCT03221517
View directory record Official record
Conditions
Healthy
Interventions
Standardized meal with a glucose challenge test
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 59 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 27, 2026, 4:55 AM 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 12, 2025 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sympathetic Activation in Obesity

NCT04946552
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Sep 27, 2026, 4:55 AM EDT
Not listed No phase listed Observational

Salivary Transcriptome Biomarkers for Early Diabetes Detection

NCT02673762
View directory record Official record
Conditions
Pre-diabetes, Type II Diabetes, Insulin Resistance
Interventions
Not listed
Lead sponsor
PeriRx
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Study Of PF-04308515 And Prednisone On Carbohydrate

NCT01199029
View directory record Official record
Conditions
Healthy
Interventions
PF-04308515, 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 15, 2010 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zero Calorie Drink Products

NCT00525694
View directory record Official record
Conditions
Obesity
Interventions
Glucose tolerance test, glucose tolerance test solution, Diet Coke, Coke Zero
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Phase 4 Interventional Results available

Acute Effect of Exenatide on Brain Glucose Metabolism

NCT01588418
View directory record Official record
Conditions
Impaired Glucose Tolerance (IGT), Diabetes
Interventions
Exenatide, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 27, 2026, 4:55 AM EDT
Active, not recruiting Early Phase 1 Interventional

Multi-Center Development of a Novel Diagnostic Test for Alzheimer's Disease

NCT03560960
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
Pramlintide challenge test
Drug
Lead sponsor
Boston University
Other
Eligibility
60 Years to 90 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
3
States / cities
Indianapolis, Indiana • Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 27, 2026, 4:55 AM EDT
Terminated Not applicable Interventional

Insulin Differences Between African-American and Caucasian Female Adolescents With Polycystic Ovary Syndrome (PCOS)

NCT02052479
View directory record Official record
Conditions
Polycystic Ovary Syndrome, PCOS
Interventions
Frequently Sampled Intravenous Glucose Tolerance Test (FSIVGTT)
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2019 · Synced Sep 27, 2026, 4:55 AM EDT
Enrolling by invitation Not applicable Interventional

The ELG Analysis of Glucose a Correlational to Blood Glucose Assay

NCT05055804
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Interventions
ELG
Device
Lead sponsor
XP Technology, LLC
Other
Eligibility
25 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Springdale, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 27, 2026, 4:55 AM EDT
Completed No phase listed Observational

Peri-operative Dynamics of the Growth Hormone Axis in Subjects With Acromegaly

NCT00921609
View directory record Official record
Conditions
Acromegaly
Interventions
Oral glucose tolerance test
Diagnostic Test
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional

Self-Administered 2-Hour Oral Glucose Tolerance Test

NCT06099509
View directory record Official record
Conditions
Gestational Diabetes, Postpartum Disorder, Gestational Diabetes Mellitus in Pregnancy
Interventions
Self-administered oral glucose tolerance test
Other
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 27, 2026, 4:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Functioning of Immune and Hormonal Systems in Patients With Sjogren's Syndrome and in Healthy Volunteers

NCT00001953
View directory record Official record
Conditions
Sjogren's Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 27, 2026, 4:55 AM EDT
Completed No phase listed Observational

Genetics of Fatty Liver Disease in Children

NCT01966627
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
ogtt, genotyping, abdominal and liver magnetic resonance imaging, stool sample, liver biopsy
Other
Lead sponsor
Yale University
Other
Eligibility
7 Years to 18 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Phase 4 Interventional Results available

Long Term Antihypertensive Exposure and Adverse Metabolic Effects: PEAR Follow-Up Study

NCT01409434
View directory record Official record
Conditions
Drug Induced Hyperglycemia, Secondary Hyperlipidemia
Interventions
Oral Glucose Tolerance Test
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2014 · Synced Sep 27, 2026, 4:55 AM 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 23, 2026 · Synced Sep 27, 2026, 4:55 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 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of 4 Weeks of L-Citrulline Supplementation on Macro- and Microvascular Function in Type 2 Diabetes

NCT06016478
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
L-citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
40 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the Reversibility of Glucose Intolerance Caused by Chronic Aspartame Consumption

NCT02520258
View directory record Official record
Conditions
Glucose Metabolism Disorder
Interventions
Oral glucose tolerance test (OGTT), Diet soda containing aspartame only
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 27, 2026, 4:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Standing on Glycemia in Prediabetic Adults

NCT01884792
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 14, 2014 · Synced Sep 27, 2026, 4:55 AM EDT
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 27, 2026, 4:55 AM EDT