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ClinicalTrials.gov public records Last synced Jun 7, 2026, 1:54 PM EDT

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Showing 25–44 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Oral Glucose Tolerance Clear all
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 Jun 7, 2026, 1:54 PM EDT
Completed No phase listed Observational

Glycemic Observation and Metabolic Outcomes in Mothers and Offspring

NCT04860336
View directory record Official record
Conditions
Gestational Diabetes, Pregnancy Related
Interventions
Observational
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
2,179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
9
States / cities
New Haven, Connecticut • Honolulu, Hawaii • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jun 7, 2026, 1:54 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Fasting Predictors of OGTT and MMTT Response

NCT01998867
View directory record Official record
Conditions
Prediabetes, Hypertension, Obesity, Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Health Diagnostic Laboratory, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional

Oral Glucose Tolerance Testing Using Candy for Cystic Fibrosis

NCT04579939
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Candy Glucose Tolerance Test
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
10 Years to 21 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of 2-Week Nightly Moderate Hypoxia on Glucose Tolerance in Individuals With Type 2 Diabetes

NCT02513641
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Hypoxico Altitude Training Systems
Device
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Jun 7, 2026, 1:54 PM 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 Jun 7, 2026, 1:54 PM 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 Jun 7, 2026, 1:54 PM 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 Jun 7, 2026, 1:54 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Sitting and Moderate Exercise on Plasma Insulin and Glucose Responses to an Oral Glucose Tolerance Test

NCT04195165
View directory record Official record
Conditions
Sedentary Behavior, Insulin Sensitivity, Sedentary Lifestyle
Interventions
SIT, ACTIVE, EX
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional

Atenolol Exposure as Risk for Adverse Metabolic Responses to Beta Blockers

NCT00607347
View directory record Official record
Conditions
Hypertension
Interventions
Glucose
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2011 · Synced Jun 7, 2026, 1:54 PM 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 Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rebreathing-induced Hypoxia and Glucose Levels

NCT05422430
View directory record Official record
Conditions
Hypoxemia
Interventions
Rebreathing-induced hypoxia, Spontaneous breathing
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jun 7, 2026, 1:54 PM EDT
Completed No phase listed Observational

Oral Glucose Tolerance Testing After Gestational Diabetes

NCT02082301
View directory record Official record
Conditions
Gestational Diabetes, Pregnancy, Obesity
Interventions
Not listed
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal

NCT02894112
View directory record Official record
Conditions
Oral Glucose Tolerance Test, High Fat Tolerance Test
Interventions
non-fat milk, carbohydrate control beverage, caloric control beverage
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Phase 3 Interventional Results available

BLOOM-DM: Behavioral Modification and Lorcaserin for Overweight and Obesity Management in Diabetes Mellitus

NCT00603291
View directory record Official record
Conditions
Obesity
Interventions
Lorcaserin 10 mg once daily (QD), Lorcaserin 10 mg twice a day (BID), Matching Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
604 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Personalized Dietary Program and Markers of Wellness

NCT03424395
View directory record Official record
Conditions
Healthy, Metabolism
Interventions
Personalized dietary and wellness program
Other
Lead sponsor
Habit, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Not applicable Interventional Results available

Vitamin D in Minorities With Prediabetes

NCT00876928
View directory record Official record
Conditions
Pre-diabetes
Interventions
vitamin D, placebo
Drug
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years to 90 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 13, 2013 · Synced Jun 7, 2026, 1:54 PM EDT
Terminated Not applicable Interventional

Text-message Reminders to Increase Rates of Postpartum Diabetes Screening in Women With Gestational Diabetes

NCT02013557
View directory record Official record
Conditions
Diabetes, Gestational
Interventions
Text-message reminder
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Jun 7, 2026, 1:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Safety, Tolerance and Assessment of HE3286 on Insulin Sensitivity and Hepatic Glucose Production

NCT00991107
View directory record Official record
Conditions
Insulin Resistance
Interventions
HE3286
Drug
Lead sponsor
Harbor Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 8, 2011 · Synced Jun 7, 2026, 1:54 PM 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 Jun 7, 2026, 1:54 PM EDT