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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Hyperinsulinemic glucose clamp procedures Clear all
Completed No phase listed Observational

Pathogenesis of Youth Onset Type 2 Diabetes and Prediabetes

NCT03195400
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 24, 2026, 8:37 PM 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 24, 2026, 8:37 PM EDT
Terminated Not applicable Interventional

Predicting Development of Diabetes Mellitus in Patients Undergoing Allogeneic Stem Cell Transplant

NCT02240381
View directory record Official record
Conditions
Diabetes Mellitus, Malignant Neoplasm
Interventions
assessment of therapy complications, laboratory biomarker analysis
Procedure · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 24, 2026, 8:37 PM EDT
Completed No phase listed Observational

PErfusioN, OxyGen ConsUmptIon and ENergetics in ADPKD (PENGUIN)

NCT04407481
View directory record Official record
Conditions
Polycystic Kidney Disease, Adult, Polycystic Kidney, Autosomal Dominant
Interventions
Aminohippurate Sodium Inj 20%, Iohexol Inj 300 milligrams per milliliter (MG/ML), PET/CT Scan
Drug · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hypoglycemia Associated Autonomic Failure in Type 1 DM, Q2

NCT00592332
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Alprazolam, control group
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Sep 24, 2026, 8:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Metabolic Flexibility on Changes in Metabolic Health

NCT06340321
View directory record Official record
Conditions
Obesity, Metabolic Syndrome
Interventions
Metabolic flexibility in the fasted state, Metabolic flexibility in euglycemic-hyperinsulinemic clamp, Metabolic flexibility in the metabolic chamber
Diagnostic Test · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Determine the Utility of Novel Technologies and Biomarkers to Measure Human Response to Rosiglitazone Maleate

NCT00551564
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
rosiglitazone maleate
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 24, 2026, 8:37 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 3, 2019 · Synced Sep 24, 2026, 8:37 PM EDT
Completed No phase listed Observational

Prediction of ARrhythmic Events With Positron Emission Tomography

NCT01400334
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Hibernating Myocardium, Nerve; Disorder, Sympathetic
Interventions
Positron Emission Tomography
Radiation
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional Results available

Counter-Regulatory Impairment and the Effect of Microvascular Insulin Transfer in Type 1 Diabetes Mellitus

NCT00943787
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Hyperinsulinemic, euglycemic and hypoglycemic clamp
Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional Results available

Outcomes Study of Hyperinsulinemic Glucose Control in Cardiac Surgery

NCT00524472
View directory record Official record
Conditions
Cardiac Surgery
Interventions
Hyperinsulinemic-normoglycemic clamp, insulin at the standard of care levels
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
1,439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Contribution of Hyperinsulinemia vs. Hyperglycemia to Insulin Resistance in Type 1 Diabetes and Maturity Onset Diabetes of the Young, Type 2 (MODY2)

NCT02971202
View directory record Official record
Conditions
Type 1 Diabetes Mellitus, Maturity-Onset Diabetes of the Young, Type 2, MODY2, Insulin Resistance
Interventions
Hyperinsulinemic, euglycemic clamp, 20% dextrose
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
13 Years to 51 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Calorie Restricted, Very Low Fat Plant-based Diet and Multi-component Exercise Program on Metabolic Health

NCT02706288
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Weight loss with very low fat plant-based diet and regular exercise
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional

Mechanisms of Hypoglycemia Associated Autonomic Dysfunction, Q.3

NCT00742521
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
glucose clamp
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 9, 2015 · Synced Sep 24, 2026, 8:37 PM EDT
Completed No phase listed Observational Results available

Use of a Hyperinsulinemic-hypyglycemic Clamp to Study Hypoglycemia: a Method Development Study

NCT03839511
View directory record Official record
Conditions
Diabetes
Interventions
Hyperinsulinemic-hypoglycemic clamp
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
4 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Distribution of Rubidium-82, Nitrogen-13 Ammonia, and Fluorine-18 Fluorodeoxyglucose in Normal Volunteers

NCT01433705
View directory record Official record
Conditions
Heart Disease
Interventions
Rb-82 Pet scans, F-18 FDG Pet scans, N-13 ammonia Pet scans, Regadenoson
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional

Effect of Physiologic Insulin Administration on Cognition

NCT06424652
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Blood draws, Hyperinsulinemic Euglycemic Clamp Technique Insulin Sensitivity test, Resting Metabolic Rate (RMR)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
65 Years to 75 Years · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Sep 24, 2026, 8:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolomic Analysis of Hepatic Insulin Resistance

NCT01833403
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Hyperinsulinemic-euglycemic clamp
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 24, 2026, 8:37 PM EDT
Withdrawn No phase listed Observational

Insulin Resistance in Type I Diabetes in Pediatric Care

NCT00946426
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Clamp
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
9 Years to 23 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Sep 24, 2026, 8:37 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Insulin Modulation of fMRI Connectivity in Healthy Adults

NCT02982551
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Insulin, Taste Task, Magnetic Resonance Imaging, Dextrose
Drug · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2017 · Synced Sep 24, 2026, 8:37 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Role of Alpha-to-beta Cell Communication to Adapt Insulin Secretion to Insulin Resistance.

NCT07224334
View directory record Official record
Conditions
Diabetes (DM)
Interventions
Exendin-9 is a 30 amino acid peptide that is an established competitive antagonist of the GLP-1 receptor. Subjects will receive exendin-9 by intravenous infusion at a rate of 600 pmol/kg/min, Dexamethasone
Drug
Lead sponsor
David D'Alessio, M.D.
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 24, 2026, 8:37 PM EDT
Recruiting Not applicable Interventional

IMPACT-MACS: Adrenalectomy vs Semaglutide for Metabolic Outcomes in Mild Autonomous Cortisol Secretion

NCT07361874
View directory record Official record
Conditions
Mild Autonomous Cortisol Secretion (MACS), Autonomous Cortisol Secretion (ACS), Subclinical Cushing's, Mild Autonomous Cortisol Excess
Interventions
Intervention 1: Adrenalectomy, Intervention 2: Semaglutide
Procedure · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 24, 2026, 8:37 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Neural Mechanism of Aldosterone-induced Insulin Resistance

NCT02102243
View directory record Official record
Conditions
Hypertension
Interventions
DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion, Flow mediated vasodilation, Endothelial cell collection, Microvascular perfusion assessment using Definity, Microneurography
Drug · Procedure
Lead sponsor
Wanpen Vongpatanasin
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced Sep 24, 2026, 8:37 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Mechanisms of Post-Bariatric Hypoglycemia

NCT04428866
View directory record Official record
Conditions
Hypoglycemia
Interventions
Continuous Glucose Monitoring, activity monitor, Mixed meal tolerance test, Glucagon Sensitivity Testing, Hypoglycemic Hyperinsulinemic Clamp, analysis of fecal microbiome
Diagnostic Test
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 24, 2026, 8:37 PM EDT