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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Insulin Tolerance Clear all
Recruiting Phase 2 Interventional

GLP-1 Agonist Therapy in Cystic Fibrosis-Related Glucose Intolerance

NCT04731272
View directory record Official record
Conditions
Cystic Fibrosis, Pancreatic Insufficiency, Abnormal Glucose Tolerance, Diabetes
Interventions
Dulaglutide 0.75Mg/0.5Ml Inj Pen
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 22, 2026, 10:41 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 Jul 22, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Vitamin D and Omega-3 Supplementation for Preventing Diabetes

NCT01633177
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Vitamin D3, Omega-3 fatty acid (fish oil), Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
22,220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Results available

Effects of Rosiglitazone on the Metabolic Phenotype of Impaired Glucose Tolerance in Youth

NCT00413335
View directory record Official record
Conditions
Obesity, Impaired Glucose Tolerance, Type 2 Diabetes Mellitus
Interventions
Rosiglitazone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
10 Years to 18 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Jul 22, 2026, 10:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of the Variability of Insulin Secretory Parameters in the Meal Tolerance and the Maximal Stimulation Tests of Healthy Subjects

NCT01454973
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Not listed
Lead sponsor
Foundation for the National Institutes of Health
Other
Eligibility
30 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2012 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Effects of Short Term Sugarcane Bagasse Supplementation

NCT01830686
View directory record Official record
Conditions
Insulin Resistance
Interventions
Sugarcane bagasse, Non-caloric, non-fermentable fiber, Minimal fiber
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Mood and Insulin Resistance in Adolescents At-Risk for Diabetes

NCT01425905
View directory record Official record
Conditions
Depression, Impaired Glucose Tolerance
Interventions
The Blues Program, Hey Durham
Other
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
12 Years to 17 Years · Female only
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Jul 22, 2026, 10:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Eating Almonds Before a Meal to Control Blood Sugar

NCT07603739
View directory record Official record
Conditions
Glucose Control, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Precision Medicine, Nutrition
Interventions
Premeal almond ingestion
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
25 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 10:41 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Metabolic Adaptations to High-fat Diet

NCT06537401
View directory record Official record
Conditions
Adiposity, Insulin Sensitivity, Impaired Glucose Tolerance, Metabolic Disturbance
Interventions
Hypercaloric, High Fat Diet
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
20 Years to 45 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Jul 22, 2026, 10:41 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pharmacists' Delivery of Education to Prevent Diabetes in the New Orleans Hospitality Industry

NCT07451314
View directory record Official record
Conditions
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Prediabetic State &Amp; High Risk Individuals on the Basis of Diabetes Risk Score
Interventions
Linkage to Care, Educational, Healthy Lifestyle Tools
Behavioral · Other
Lead sponsor
Xavier University of Louisiana.
Other
Eligibility
18 Years to 99 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jul 22, 2026, 10:41 AM EDT
Not listed No phase listed Observational

Body Composition Assessment in Spinal Cord Injury

NCT00957762
View directory record Official record
Conditions
Diabetes Mellitus, Body Composition, Tetraplegia, Paraplegia, Spinal Cord Injury
Interventions
Body composition
Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2009 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of PPAR Ligands on Ectopic Fat Accumulation and Inflammation

NCT00470262
View directory record Official record
Conditions
Metabolic Syndrome X, Prediabetic State
Interventions
Fenofibrate 145mg PO QD, Pioglitazone 45 mg PO QD
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Treating the Endothelium to Restore Insulin Sensitivity

NCT00402194
View directory record Official record
Conditions
Obesity, Insulin Resistance, Impaired Glucose Tolerance, Pre-diabetes
Interventions
Losartan
Drug
Lead sponsor
Indiana University
Other
Eligibility
20 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced Jul 22, 2026, 10:41 AM EDT
Completed No phase listed Observational Results available

Antihypertensive Medication Exposure as Risk for Impaired Glucose Tolerance: A PEAR Sub-Study

NCT01099397
View directory record Official record
Conditions
Prediabetic State
Interventions
Oral glucose tolerance test
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Jul 22, 2026, 10:41 AM EDT
Not listed Phase 2 Interventional

Safety, Tolerability, PK, and PD of LIM-0705 in Subjects With Impaired Glucose Tolerance or Abnormal HOMA-IR

NCT01364155
View directory record Official record
Conditions
Impaired Glucose Tolerance, Insulin Resistance
Interventions
LIM-0705, Placebo capsules
Drug
Lead sponsor
Limerick BioPharma
Industry
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2011 · Synced Jul 22, 2026, 10:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Pulsatile Insulin Secretion (A Study Investigating the Effects of Partial Pacreatectomy on Glucose Metabolism)

NCT00841867
View directory record Official record
Conditions
Impaired Glucose Tolerance
Interventions
All subjects will undergo a 120 minute Oral Glucose Tolerance Test at study visit 2.
Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Results available

Oral Insulin for Prevention of Diabetes in Relatives at Risk for Type 1 Diabetes Mellitus

NCT00419562
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Oral Insulin, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years to 45 Years
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
13
States / cities
San Francisco, California • Stanford, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Insulin Sensitizers in Subjects With Impaired Glucose Tolerance

NCT00108615
View directory record Official record
Conditions
Glucose Metabolism Disorders, Diabetes
Interventions
Metformin, Pioglitazone, CT scans, Oral glucose tolerance test
Drug · Radiation · Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
35 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2008 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of 12-weeks Supplementation of Eubacterium Hallii on Insulin Sensitivity and Glycaemic Control

NCT04529473
View directory record Official record
Conditions
Pre Diabetes, Impaired Glucose Tolerance, Insulin Sensitivity, Insulin Resistance, Glucose Metabolism Disorders, Metabolic Syndrome
Interventions
Eubacterium hallii, Placebo
Dietary Supplement · Other
Lead sponsor
Atlantia Food Clinical Trials
Industry
Eligibility
21 Years to 69 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Jul 22, 2026, 10:41 AM EDT
Completed No phase listed Observational

Vitamin D Deficiency in Obese Adolescent Girls and Influence of Vitamin D on Insulin Secretion and Sensitivity

NCT00850694
View directory record Official record
Conditions
Vitamin D Deficiency, Obesity, Insulin Resistance
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Caffeinated and Decaffeinated Coffee on Body Weight and Glucose Tolerance

NCT00305097
View directory record Official record
Conditions
Overweight
Interventions
Decaffeinated coffee, Caffeinated coffee, No coffee
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Jul 22, 2026, 10:41 AM EDT
Active, not recruiting Not applicable Interventional

Saccharin and Acesulfame Potassium Consumption and Glucose Homeostasis in Older Adults With Prediabetes

NCT05441982
View directory record Official record
Conditions
Continuous Glucose Monitoring, Oral Glucose Tolerance, Insulin Sensitivity, Inflammatory Markers
Interventions
Non-Nutritive Sweetener Intake and impact on glucose homeostasis
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 22, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Crossover Study of the Acute Effects of Olanzapine in Healthy Volunteers

NCT00741026
View directory record Official record
Conditions
Insulin Resistance, Diabetes Mellitus
Interventions
Olanzapine 10 mg po qhs for 3 days, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Jul 22, 2026, 10:41 AM EDT
Terminated No phase listed Observational

Study to Identify Markers of Insulin Resistance During Growth Hormone Treatment for Short Stature

NCT00121875
View directory record Official record
Conditions
Turner Syndrome, Idiopathic Short Stature
Interventions
somatropin (rDNA)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 14 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2009 · Synced Jul 22, 2026, 10:41 AM EDT