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Showing 1–24 of 263 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Glucose Tolerance Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Glucose Tolerance in Healthy Overweight Adults

NCT00974831
View directory record Official record
Conditions
Overweight
Interventions
Amino Acid Drink Mixture, Glucose drink
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
20 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2010 · Synced Jul 22, 2026, 8:08 AM EDT
Recruiting Early Phase 1 Interventional

GLP-1Ra Impact on Metabolic Outcomes in Stage 2 T1DM While Receiving Teplizumab

NCT06338553
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Semaglutide (Rybelsus®), Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 22, 2026, 8:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Health Effects of Liposuction in Overweight Women With Elevated Insulin Levels, Impaired Glucose Tolerance and/or Type 2 Diabetes

NCT00005760
View directory record Official record
Conditions
Glucose Intolerance, Hyperinsulinemia, Diabetes Mellitus, Non Insulin Dependent, Obesity
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gum Acacia and Blood Glucose

NCT03716479
View directory record Official record
Conditions
Diet Modification
Interventions
Low Fiber, High Fiber, Placebo/Control
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Jul 22, 2026, 8:08 AM EDT
Not listed Not applicable Interventional

Effects on Glycemic Control of WBF-0031 in Subjects With Abnormal Glucose Tolerance

NCT04490460
View directory record Official record
Conditions
Abnormal Glucose Tolerance
Interventions
WBF-0031
Dietary Supplement
Lead sponsor
Eden Miller
Industry
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bend, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Prevention Program for Obese Latino Youth

NCT02039141
View directory record Official record
Conditions
Obesity, Insulin Resistance, Diabetes
Interventions
Every Little Step Counts Intervention
Other
Lead sponsor
Arizona State University
Other
Eligibility
14 Years to 16 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Jul 22, 2026, 8:08 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding Effects of Calcium on the Gut-Bone Axis

NCT06383117
View directory record Official record
Conditions
Healthy, Adult, Calcium, Bone Resorption, Endocrine; Obesity
Interventions
Calcium carbonate, Placebo Control
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose-dependent Effect of Grape Seed Extract on Glucose Control in People With Impaired Glucose Tolerance

NCT02254317
View directory record Official record
Conditions
Impaired Glucose Tolerance
Interventions
0 mg placebo, 300 mg GSE, 600 mg GSE, 900 mg GSE
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
40 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

D Vitamin Intervention in VA

NCT01375660
View directory record Official record
Conditions
Impaired Fasting Glucose, Impaired Glucose Tolerance, Vitamin D Insufficiency
Interventions
Placebo, 50K vitamin D2
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
35 Years to 85 Years · Male only
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional

Dietary Interventions in Prediabetes

NCT01729078
View directory record Official record
Conditions
Impaired Fasting Glucose, Pre Diabetes, Liver Fat
Interventions
Dietary intervention
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Phase 1Phase 2 Interventional

Single Dose and 34-Day Tolerance Study of INGAP Peptide in Insulin Deficient Patients

NCT00034255
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Interventions
INGAP Peptide
Drug
Lead sponsor
GMP Endotherapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
4
States / cities
San Diego, California • Washington D.C., District of Columbia • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 8:08 AM EDT
Not listed No phase listed Observational

Study to Examine Insulin Resistance During Growth Hormone Treatment for Short Stature Due to Low Birthweight

NCT00120497
View directory record Official record
Conditions
Fetal Growth Retardation
Interventions
somatropin (rDNA)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
8 Years to 12 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 19, 2011 · Synced Jul 22, 2026, 8:08 AM EDT
Terminated No phase listed Observational

Detection and Treatment of Endocrine Abnormalities in Childhood Cancer Survivors and Hematopoietic Stem Cell Transplant Recipients

NCT00504218
View directory record Official record
Conditions
Hypopituitarism, Hypogonadism, Thyroid Dysfunction, Bone Diseases, Metabolic
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 24 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 2, 2018 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

Exercise to Reduce Obesity in Spinal Cord Injury

NCT00270855
View directory record Official record
Conditions
Diabetes Mellitus, Obesity, Paraplegia, Quadriplegia, Spinal Cord Injury
Interventions
Arm Crank Ergometry, FES Cycle Ergometer
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Jul 22, 2026, 8:08 AM EDT
Completed No phase listed Observational

Cross-Sectional and Longitudinal Studies of "Pre-Diabetes" in the Pima Indians

NCT00340132
View directory record Official record
Conditions
Weight Gain, Overweight, Insulin Resistance, Obesity, Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1983
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 22, 2026, 8:08 AM EDT
Completed No phase listed Observational

Relationship Between Changes in Gut Hormones After Gastric Bypass and Gastric Banding and Improvements in Diabetes

NCT01153438
View directory record Official record
Conditions
Type 2 Diabetes, Obesity, Bariatric Surgery
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced Jul 22, 2026, 8:08 AM EDT
Terminated Phase 1 Interventional Results available

Insulin Tolerance Test Study in Patients With Type 1 Diabetes

NCT04026750
View directory record Official record
Conditions
Type 1 Diabetes, Hypoglycemia
Interventions
Pitolisant
Drug
Lead sponsor
High Point Clinical Trials Center
Industry
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional

Heat Therapy and Cardiometabolic Health in Obese Women

NCT03644524
View directory record Official record
Conditions
Obesity, Polycystic Ovary Syndrome, Prehypertension, PreDiabetes, Cardiovascular Risk Factor, Metabolic Syndrome
Interventions
Heat therapy
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 22, 2018 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Phase 3 Interventional Results available

BLOOM: Behavioral Modification and Lorcaserin for Overweight and Obesity Management

NCT00395135
View directory record Official record
Conditions
Obesity
Interventions
Lorcaserin 10 mg BID, Matching Placebo BID
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
3,182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Jul 22, 2026, 8:08 AM EDT
Active, not recruiting Phase 4 Interventional

The Renin-Angiotensin-Aldosterone System in Adiposity, Blood Pressure and Glucose in African Americans

NCT03938389
View directory record Official record
Conditions
PreDiabetes, Impaired Glucose Tolerance, Obesity, Blood Pressure
Interventions
Sacubitril-Valsartan Tab 97-103 MG, Valsartan 160mg, Placebo Oral Tablet
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Pioglitazone and Exenatide on Body Weight and Beta Cell Function

NCT00845182
View directory record Official record
Conditions
Type 2 Diabetes, Healthy, Impaired Glucose Tolerance
Interventions
Pioglitazone, Exenatide, Pioglitazone and Exenatide
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Jul 22, 2026, 8:08 AM EDT
Completed Not applicable Interventional

Lifestyle Interventions to Reduce Diabetes Risk

NCT00006162
View directory record Official record
Conditions
Glucose Intolerance, Diabetes Mellitus, Type 2
Interventions
exercise and diet
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1999
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Jul 22, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of Diabetes Screening Immediately Postpartum (DIP) and Follow Up PP CARE

NCT05909046
View directory record Official record
Conditions
Pre-Gestational Diabetes, Type2diabetes, Pregnancy in Diabetic, Pregnancy, High Risk, Gestational Diabetes, Gestational Diabetes Mellitus in the Puerperium
Interventions
Immediate inpatient postpartum OGTT, Standard of care 4-12 week postpartum OGTT
Diagnostic Test
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jul 22, 2026, 8:08 AM EDT