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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Glucose Challenge Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers

Alpelisib Challenge Test (ACT)

NCT07778524
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes, Obesity & Overweight, Healthy Adult Participants
Interventions
Alpelisib 300 mg, Alpelisib Challenge Test (ACT): Mixed Meal Tolerance Test (MMTT) after taking alpelisib, Hyperglycemic clamp
Drug · Diagnostic Test
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Mixed Meal Challenge Study

NCT05087823
View directory record Official record
Conditions
Cardiovascular Diseases, Hyperlipidemias
Interventions
Lipid Challenge, Glucose Challenge, Mixed Meal Challenge
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 30, 2023 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Early Phase 1 Interventional

Controlled Insulin Delivery: Combining Technology With Treatment

NCT01484457
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Closed-loop session
Device
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 6, 2026, 5:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Opportunistic Screening for Prediabetes and Early Diabetes in Primary Care

NCT00787839
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Prediabetic State
Interventions
Glucose challenge test, Glucose tolerance test
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
1,939 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Sep 6, 2026, 5:05 PM EDT
Not listed Not applicable Interventional

Effectiveness and Safety of the RIGHTEST Continuous Glucose Monitoring System for Blood Glucose Management in Persons With Diabetes Mellitus

NCT04838392
View directory record Official record
Conditions
Diabetes Mellitus, Type 1 Diabetes, Type 2 Diabetes
Interventions
RIGHTEST Continuous Glucose Monitoring System
Device
Lead sponsor
Bionime Corporation
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
13
States / cities
Guntersville, Alabama • Tucson, Arizona • Canoga Park, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Sep 6, 2026, 5:05 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

GLUCOSE-MGH: Genetic Links Understood Through Challenge With Oral Semaglutide Exposure at MGH

NCT06003153
View directory record Official record
Conditions
Genetic Predisposition, Metabolic Diseases, Type 2 Diabetes
Interventions
oral semaglutide, Mixed Meal Tolerance Test (MMTT)
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 6, 2026, 5:05 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Splanchnic Venous Capacitance in Postural Tachycardia Syndrome

NCT05375968
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2, Compare change is SVC and SMA flow due to saline
Diagnostic Test · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional

Evaluation of the Safety and Effectiveness of the Dexcom Continuous Glucose Monitoring (CGM) System

NCT04794478
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Dexcom Continuous Glucose Monitoring System
Device
Lead sponsor
DexCom, Inc.
Industry
Eligibility
2 Years and older
Enrollment
482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
12
States / cities
Chula Vista, California • Escondido, California • Santa Barbara, California + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of CR6261 in an H1N1 Influenza Healthy Volunteer Human Challenge Model

NCT02371668
View directory record Official record
Conditions
H1N1 Influenza Healthy Volunteers
Interventions
CR6261, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Sep 6, 2026, 5:05 PM EDT
Withdrawn Not applicable Interventional

Technology Knowledge Optimization in Type 1 Diabetes (TeKnO T1D): Parents

NCT05300022
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
TeKnO T1D: Parents
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Phase 4 Interventional Results available

Antitussive Effect of a Naturally Flavored Syrup Containing Diphenhydramine, Compared With Dextromethorphan and Placebo

NCT02062710
View directory record Official record
Conditions
Cough Reflex Sensitivity
Interventions
diphenhydramine/phenylephrine/cocoa; dextromethorophan; placebo, diphenhydramine/phenylephrine/cocoa; placebo; dextromethorphan, dextromethorphan; diphenhydramine/phenylephrine/cocoa; placebo, dextromethorophan; placebo; diphenhydramine/phenylephrine/cocoa, placebo; diphenhydramine/phenylephrine/cocoa; dextromethorphan, placebo; dextromethorphan; diphenhydramine/phenylephrine/cocoa
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Sep 6, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

Continuous Glucose Metrics in Patients With Gastroparesis in Type 1 or Type 2 Diabetes

NCT06046833
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1, Gastroparesis With Diabetes Mellitus
Interventions
FreeStyle Libre 3 continuous glucose monitoring sensor, Nutritional drink
Device · Other
Lead sponsor
Samita Garg
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 6, 2026, 5:05 PM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Technosphere® Insulin Inhalation Powder (TI Inhalation Powder)When an Optimal Dose is Taken With Varied Carbohydrate Intake

NCT00747006
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1
Interventions
TI Inhalation Powder and Humalog (Amendment 1), TI Inhalation Powder (original protocol)
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Sep 6, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

GENESIS: Genotype Guided - Natriuretic Peptides - Cardiometabolic Health Study

NCT05216042
View directory record Official record
Conditions
Cardiovascular Diseases, Natriuretic Peptides, Cardiometabolic Diseases, Energy Expenditure, Glucose Metabolism, Exercise, Obesity
Interventions
Study diet, Exercise capacity VO2 max determination, Exercise Challenge, Glucose Challenge
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 6, 2026, 5:05 PM EDT
Not listed Phase 4 Interventional

The Efficacy and Safety of Faster Insulin Aspart (Fiasp®) Compared to Conventional Insulin Aspart (NovoLog®) as Correction Bolus

NCT04414579
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Faster Insulin Aspart (Fiasp®)
Drug
Lead sponsor
Mountain Diabetes and Endocrine Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Asheville, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 6, 2026, 5:05 PM 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 6, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Association of Insulin Resistance and FGF21 on Cardiac Function in Pediatric Dilated Cardiomyopathy

NCT04222101
View directory record Official record
Conditions
Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic, Insulin Resistance
Interventions
Oral glucose tolerance test
Diagnostic Test
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
13 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Sep 6, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Fructose-induced Hepatic De Novo Lipogenesis in Adolescents With Obesity

NCT03567837
View directory record Official record
Conditions
Adolescent Obesity
Interventions
Fructose + Glucose Beverage
Other
Lead sponsor
The Rogosin Institute
Other
Eligibility
12 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Sep 6, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Strawberry Candy Twists as an Alternative Screen for Gestational Diabetes: A Prospective Trial

NCT02610179
View directory record Official record
Conditions
Gestational Diabetes Mellitus
Interventions
Standard Glucola GCT, Twizzlers challenge
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
617 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Effectiveness and Safety Study of the Dexcom G4 Platinum With Modified Algorithm

NCT02087995
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Continuous Glucose Monitoring
Device
Lead sponsor
DexCom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Concord, California • Escondido, California • Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Sep 6, 2026, 5:05 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 Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional

Identification and Treatment of Diabetes In Solid Organ Transplant Recipients

NCT02605200
View directory record Official record
Conditions
Complications of Transplanted Organs and Tissue
Interventions
Psychologist Support, Pediatric Certified Diabetes Educators (CDEs) Support
Behavioral
Lead sponsor
Emory University
Other
Eligibility
1 Year to 18 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional

Effectiveness of and Implementation Strategies for 'Disfrutando'.

NCT07023406
View directory record Official record
Conditions
Type 2 Diabetes Mellitus (T2DM)
Interventions
Disfrutando
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Columbia, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 6, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Adapting Diabetes Treatment Expert Systems to Patient in Type 1 Diabetes

NCT04443153
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Personalized Feedback, Decision Support System, Sensor Augmented Mode
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 6, 2026, 5:05 PM EDT