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TerminatedPhase 4Results posted

Regulation of Insulin Secretion by the GLP-1 Receptor

Asset

Exenatide

GLP-1 agonist

Listed sites

1

Recruiting sites

Enrollment

6

actual

Study population

Healthy volunteers, Obesity / overweight, Prediabetes / glucose intolerance, Type 2 diabetes

Key I/E criteria

BMI ≤35HbA1c ≤5.7%Healthy volunteers

Primary endpoints

AIM2AIM3

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT02844907
Org study IDENDA-006-15S
Secondary ID01992Durham VA Medical Center
Secondary IDPro00070325Duke University

Timeline

Milestones

Study first posted2016-07-26estimated
Study start2018-07-01actual
Primary completion2021-12-31actual
Study completion2021-12-31actual
Last update posted2024-12-12actual
Results first posted2024-12-12actual

Assets

Investigational agents

Study populations

Who this study enrolls

Healthy volunteersObesity / overweightPrediabetes / glucose intoleranceType 2 diabetes

Eligibility

Who can enroll

Minimum age18 Years
Maximum age65 Years
SexAll
Healthy volunteersAccepted

Inclusion criteria

AIM2: SELECTION OF HEALTHY SUBJECTS

Healthy adults age 20-45 years
Body Mass Index (BMI) less than or equal to 35.0 kg/m2
HbA1c less than or equal to 5.7% as measured at screening visit
Ability to speak and understand English

AIM3: NON-DIABETIC SUBJECTS

Adults age 18-65 years
Body Mass Index (BMI) 25-40.0 kg/m2
HbA1c less than or equal to 6.5% as measured at screening visit
No Diabetes or use of diabetes medications such as insulin or metformin
Ability to speak and understand English

AIM3: DIABETIC Type II SUBJECTS

Adults age 18-65 years
Body Mass Index (BMI) 25-40.0 kg/m2
HbA1c less than or equal to 7.5% plus a diagnosis of Type II diabetes managed by either Metformin, Sulfonylurea, or diet and exercise
Ability to speak and understand English

Exclusion criteria

AIM2:

Uncontrolled high blood pressure
Diabetes or use of diabetes medications such as insulin or metformin
Evidence of active heart disease, unstable angina or heart failure
Lung disease or COPD
Malabsorptive GI disease, such as celiac disease, or gastric bypass
Significant hepatic disease
Kidney disease or renal insufficiency (eGFR < 60 mL/kg/min)
Untreated anemia (hematocrit < 34%) as measured at screening visit
Pregnant females
Active substance abuse
Chronic use of oral steroid medications such as prednisone and hydrocortisone
Apparent sensitivity to any study peptides as determined by the skin test
Diagnosis or h/o PTSD
Active mental health disorders such as depression, or as a result of Traumatic Brain Injury (TBI)

AIM3: ALL SUBJECTS

Uncontrolled high blood pressure
Evidence of active heart disease, unstable angina or heart failure
Lung disease or COPD
Malabsorptive GI disease, such as celiac disease, or gastric bypass
Significant hepatic disease
Kidney disease or renal insufficiency (eGFR < 60 mL/kg/min)
Untreated anemia (hematocrit < 34%) as measured at screening visit
Pregnant females
Active substance abuse
Chronic use of oral steroid medications such as prednisone and hydrocortisone
Apparent sensitivity to any study peptides as determined by the skin test
Diagnosis or h/o PTSD
Active mental health disorders such as depression, or as a result of Traumatic Brain Injury (TBI)

Endpoints (2)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Glycemic / diabetes

2 endpoints
Primary/protocol endpoint

AIM2: C-peptide Levels.

Time frame:Minute infusion periods (0-60 vs 60-120) baseline and treatment (Dex vs no Dex)

descriptive

Posted result

GroupValue (mean), ng/ml95% CI
Hyperglycemic Clamp + Exendin (9-39)Control + exendin-(9-39)10,335
Dexamethasone + exendin-(9-39)9042
Primary/protocol endpoint/low confidence

AIM3: To Determine the Fasting GLP-1 Effect.

Time frame:Minute infusion periods (0-60 vs 60-120)

change from baseline, improvement

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableClinicalTrials.gov results section

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.