Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 28, 2026, 6:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Mixed Meal Tolerance Test Clear all
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 Sep 28, 2026, 6:23 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 28, 2026, 6:23 PM EDT
Enrolling by invitation No phase listed Observational

Physiologic and Functional Adaptations of Insulin Sensitive Tissues

NCT03407833
View directory record Official record
Conditions
Diabetes, Insulin Resistance, Obesity, Bariatric Surgery Candidate, Roux-en-y Gastric Bypass, Liver Diseases
Interventions
Endoscopy biopsy, Surgical biopsy, Mixed-meal tolerance test, Excised Liver Tissue Sampling
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 28, 2026, 6:23 PM EDT
Active, not recruiting Phase 1 Interventional

Physiologic Markers of Cardiometabolic Risk in People With Type 1 Diabetes

NCT06105931
View directory record Official record
Conditions
type1diabetes, Obesity
Interventions
Hyperinsulinemic-euglycemic clamp, High Fat Mixed Meal Tolerance Test
Biological · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
15 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 Jul 22, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Not applicable Interventional

Improving Metabolic Assessments in Type 1 Diabetes Mellitus Clinical Trials

NCT00105352
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Mixed Meal Tolerance Test, Glucagon Stimulation Test
Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
8 Years to 35 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
13
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Sep 28, 2026, 6:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

ImpaCt Of Shiftwork on METabolic Flexibility and Skeletal Muscle Clocks

NCT05820490
View directory record Official record
Conditions
Metabolic Health
Interventions
Whole Room Calorimeter, Mixed-Meal Tolerance Test (MMTT), Core Body Temperature, Morningness-Eveningness Questionnaire, Muscle Biopsy, Serial Blood Sampling
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
Not yet recruiting Phase 2 Interventional

Verapamil Effect in Cystic Fibrosis-related Dysglycemia

NCT07688070
View directory record Official record
Conditions
Cystic Fibrosis Related Diabetes, Cystic Fibrosis (CF), Abnormal Glucose Tolerance
Interventions
Verapamil Hydrochloride
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
14 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
Completed No phase listed Observational

Glycemic Index in Mitochondrial Disease

NCT02284334
View directory record Official record
Conditions
Mitochondrial Diseases
Interventions
test meal
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
7 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Phase 2 Interventional

A Comparison of Postprandial Glucose After a MMTT, and the Metabolic Effects of Insulin Withdrawal in a Crossover Study in Subjects With Type 1 Diabetes

NCT04956263
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 1, Type1diabetes, Diabetes Mellitus
Interventions
YG1699, Dapagliflozin
Drug
Lead sponsor
Youngene Therapeutics Inc., Ltd.
Industry
Eligibility
18 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Postprandial Inflammation and Nuts (PIN) in Older Adults

NCT06348771
View directory record Official record
Conditions
Healthy Aging, Overweight and Obesity
Interventions
monounsaturated fatty acids (MUFA) peanut meal
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
55 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular and Metabolic Responses to a Mixed Meal

NCT00882986
View directory record Official record
Conditions
Insulin Resistance
Interventions
Not listed
Lead sponsor
John Thyfault
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Sep 28, 2026, 6:23 PM 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 Sep 28, 2026, 6:23 PM EDT
Completed Early Phase 1 Interventional Results available

Pancreatic Enzyme Replacement and Glucose Regulation in Type 1 Diabetes

NCT05266963
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
CREON, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Phase 4 Interventional Results available

Pramlintide (Symlin) for the Treatment of Hypoglycemia Following Gastric Bypass Surgery

NCT01841359
View directory record Official record
Conditions
Hypoglycemia, Evidence of Previous Gastric Surgery
Interventions
Pramlintide
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Sep 28, 2026, 6:23 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Human Models of Selective Insulin Resistance: Alpelisib, Part I

NCT06354088
View directory record Official record
Conditions
Insulin Resistance, Prediabetic State, Overweight and Obesity, Non-Alcoholic Fatty Liver Disease
Interventions
Alpelisib 300 mg, Placebo, [1-13C] sodium acetate, [6,6-2H2] D-glucose, Mixed Meal Tolerance Test, Nestlé BOOST Plus
Drug · Diagnostic Test · Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Study of Clinical Response to Acute Metformin By Leveraging Evaluations During a Mixed Meal Tolerance Test for Exploring Glycemia and GeneticS

NCT02087826
View directory record Official record
Conditions
Genetics, Metabolism, Type 2 Diabetes
Interventions
Mixed Meal Tolerance Test, Metformin
Other · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
1,017 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 28, 2026, 6:23 PM 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 Sep 28, 2026, 6:23 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Migraine and CVD Risk in Women

NCT03081390
View directory record Official record
Conditions
Migraine
Interventions
Mixed meal tolerance testing, Skin conductance & cold pressor test, Flow-mediated dilation testing
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 28, 2026, 6:23 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Role of Nutrient Transit in Hyperinsulinemic Hypoglycemia

NCT04615546
View directory record Official record
Conditions
Post-Bariatric Hypoglycemia
Interventions
Use of Continuous Glucose Monitor (CGM), Use of "Cardea Solo" monitoring
Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Phase 1 Interventional

Glucose Metabolism in the Immediate and Short Term Follow up After Bariatric Surgery

NCT00488423
View directory record Official record
Conditions
Diabetes, Gastric Bypass
Interventions
Mixed Meal Tolerance test, Hyperglycemic clamp
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
19 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 21, 2011 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Not applicable Interventional Results available

Effect of Chronic Incretin-based Therapy in Cystic Fibrosis

NCT01879228
View directory record Official record
Conditions
Cystic Fibrosis, Pancreatic Insufficiency
Interventions
Sitagliptin, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 28, 2026, 6:23 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Role of Glucagon In Glucose Control in Cystic Fibrosis Related Diabetes

NCT02398383
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis Related Diabetes
Interventions
Oral Glucose Tolerance Test, Mixed Meal Tolerance Test, Hypoglycemic Clamp
Other
Lead sponsor
Yale University
Other
Eligibility
12 Years to 45 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 28, 2026, 6:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Routine Validation and Reproducibility Testing of Laboratory Measures and Research Techniques Used for Metabolism Research (VAL)

NCT06286761
View directory record Official record
Conditions
Obesity
Interventions
endothelial cell collection
Other
Lead sponsor
Bettina Mittendorfer
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 28, 2026, 6:23 PM EDT
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 28, 2026, 6:23 PM EDT