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CompletedPhase 1

A Study of LY3457263 in Healthy Participants and Participants With Type 2 Diabetes

A Single Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of LY3457263 in Healthy Participants and in Patients With Type 2 Diabetes

Asset

Dulaglutide

Subcutaneous · GLP-1 agonist

Listed sites

2

Recruiting sites

Enrollment

67

actual

Study population

Healthy volunteers, Type 2 diabetes

Key I/E criteria

BMI 18.5-35Healthy volunteers

Primary endpoint

Serious AEs (any)

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 IDNCT04641312
Org study ID17261
Secondary ID2020-001828-34
Secondary IDJ1R-MC-GZFAEli Lilly and Company

Timeline

Milestones

Study first posted2020-11-23actual
Study start2020-11-25actual
Primary completion2021-12-21actual
Study completion2021-12-21actual
Last update posted2022-01-11actual

Assets

Investigational agents

Study populations

Who this study enrolls

Healthy volunteersType 2 diabetes

Eligibility

Who can enroll

Minimum age20 Years
Maximum age65 Years
SexAll
Healthy volunteersAccepted

Inclusion criteria

Males that agree to use an effective method of contraception or agree to remain abstinent
Females that are not of childbearing potential due to postmenopausal status or due to surgical sterility
Part A only:
Are overtly healthy
Body mass index (BMI) of 18.5 to 35 kilograms per meter squared (kg/m²)
Part B only:
Have been diagnosed with Type 2 Diabetes (T2D) for at least 6 months prior to screening
Be treated for T2D with stable dose of metformin, a stable dose of a dipeptidyl peptidase-4 (DPP-4) inhibitor with or without metformin, or a stable dose of a glucagon-like peptide-1 (GLP-1) receptor agonist with or without metformin for at least 3 months prior to screening
BMI of 27 to 40 kg/m²

Exclusion criteria

Have undergone any form of bariatric surgery
Have used or intend to use medications that promote weight loss within 3 months prior to screening, for the duration of the study
Part A only:
Have fasting plasma glucose (PG) levels ≥7 millimoles per liter (mmol/L) (≥126 milligrams per deciliter (mg/dL)) at screening
Have Hemoglobin A1c (HbA1c) level ≥ 6.5% (48 millimoles per mole (mmol/mol)) at screening
Have serum aspartate aminotransferase (AST) or alanine aminotransferase (ALT) >20% and 10%, above the upper limit of normal (ULN), respectively. Elevation of total bilirubin level is considered acceptable in case of Gilbert's disease (with a normal direct bilirubin)
Part B only:
Have Type 1 Diabetes or latent autoimmune diabetes in adults
Have uncontrolled diabetes defined as an episode of ketoacidosis or hyperosmolar state requiring hospitalization in the 6 months prior to screening
Have known proliferative diabetic retinopathy, diabetic maculopathy, or severe nonproliferative diabetic retinopathy
Present comorbid conditions commonly associated with diabetes (for example, hypertension, hypercholesterolemia, hypothyroidism) unless they are well-controlled with stable medication
Have had an episode of severe hypoglycaemia within 6 months prior to screening, or have a history of hypoglycaemia unawareness or poor recognition of hypoglycaemia
Have a history of acute or chronic pancreatitis or elevation in serum lipase and/or amylase >2 × ULN at screening
Have a resting heart rate of <50 or >100 beats per minute
Have an estimated glomerular filtration rate (<60 milliliter/minute (mL/min)/1.73 m2, or a level of estimated glomerular filtration rate that would contraindicate the use of metformin per the label in the respective country
Have a screening calcitonin ≥20.0 picograms per milliliter (pg/mL)
Fasting serum triglyceride level of >500 mg/dL at screening
Have serum AST or ALT >3 × ULN or TBL >1.5 × ULN (except for participants diagnosed with Gilbert's syndrome)
Have taken any prescription medication that are specifically indicated for lowering serum triglycerides within the last 3 months
Have taken within the last 3 months any medications that interfere with absorption of dietary cholesterol or fats
Use of medications known to prolong the QT/QTc interval
Treated only with diet and exercise at study entry

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.

Safety / tolerability / PK

2 endpoints
Primary/protocol endpoint

Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration

Time frame:Baseline through Day 42

Serious AEs (any)

event count, event

Secondary/protocol endpoint

Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve From Time Zero to Infinity (AUC[0-inf]) of LY3457263

Time frame:Day 1 through Day 42

AUC₀–∞

concentration, descriptive

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableno registry results posted yet

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.