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LY3457263

Phase 2

Type 2 Diabetes | Small molecule | Metabolic |Eli Lilly and Company|Last Updated: Aug 21, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment240

FDA Designations

No designations recorded

Clinical trial landscape

LY3457263 · 4 trials · 5 indications

Phase 2 1Phase 1 3
NCT06897475A Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or TirzepatideType 2 Diabetes
RECRUITING240 Analytics
PHASE2RECRUITING
A Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide
Type 2 DiabetesUnlock trial analytics

Study Endpoints

Primary Endpoints

Change from Baseline in Hemoglobin A1c (HbA1c)
Baseline, Week 24
Number of Participants with One or More Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline up to 11 weeks

A summary of TEAEs, SAEs and other non-serious adverse events (AEs), regardless of causality, will be reported in the Reported Adverse Events module

Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline through Day 42

A summary of SAEs and other non-serious adverse events (AEs), regardless of causality, will be reported in the Reported Adverse Events module

Secondary Endpoints

Change from Baseline in Fasting Serum Glucose
Baseline, Week 24
Percent Change from Baseline in Body Weight
Baseline, Week 24
Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve (AUC) of LY3457263
Predose on Day 1 up to 43 days postdose
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LY3457263 Dose 1EXPERIMENTALParticipants will receive LY3457263 subcutaneously (SC)
LY3457263 Dose 2EXPERIMENTALParticipants will receive LY3457263 SC
LY3457263 Dose 3EXPERIMENTALParticipants will receive LY3457263 SC
PlaceboPLACEBO_COMPARATORParticipants will receive placebo SC
LY3457263 + TirzepatideEXPERIMENTALLY3457263 administered subcutaneously (SC) in combination with tirzepatide given SC.
Placebo + TirzepatidePLACEBO_COMPARATORPlacebo administered SC in combination with tirzepatide given SC.
LY3457263 (Alone)EXPERIMENTALLY3457263 administered subcutaneously (SC).
Placebo (Alone)PLACEBO_COMPARATORPlacebo administered SC.
LY3457263 + DulaglutideEXPERIMENTALLY3457263 in combination with dulaglutide administered SC.
Placebo + DulaglutideEXPERIMENTALPlacebo in combination with dulaglutide administered SC.
LY3457263 - Part AEXPERIMENTALEscalating single doses of LY3457263 administered subcutaneously (SC) to healthy participants
Placebo - Part APLACEBO_COMPARATORPlacebo administered SC to healthy participants
LY3457263 - Part BEXPERIMENTALEscalating single doses of LY3457263 administered SC in combination with Dulaglutide administered SC to participants with type 2 diabetes
Placebo - Part BPLACEBO_COMPARATORPlacebo administered SC in combination with Dulaglutide administered SC to participants with type 2 diabetes

Interventions

NameTypeDescription
LY3457263DRUGAdministered SC
PlaceboDRUGAdministered SC
TirzepatideDRUGAdministered SC.
DulaglutideDRUGAdministered SC.
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites60

Inclusion Criteria: * Have type 2 diabetes * Have HbA1c ≥7.5% to ≤10.5% at screening * Have a body mass index (BMI) of ≥27 kilograms per square meter (kg/m2) at screening * Have had a stable body weight for the three months prior to screening * On stable treatment dose of one of the following incre...

Countries:United StatesCanadaGermanyPolandPuerto RicoUnited Kingdom
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Recent Changes (Last 90 Days)

LOWAug 21, 2026NCT06897475lastUpdatePostDate: changed
LOWAug 21, 2026NCT06897475lastUpdatePostDate: changed
LOWAug 6, 2026NCT06897475lastUpdatePostDate: changed
LOWAug 6, 2026NCT06897475lastUpdatePostDate: changed
LOWJul 20, 2026NCT06897475lastUpdatePostDate: changed
LOWJul 20, 2026NCT06897475lastUpdatePostDate: changed
LOWJul 7, 2026NCT06897475lastUpdatePostDate: changed
LOWJul 7, 2026NCT06897475lastUpdatePostDate: changed
LOWJun 23, 2026NCT06897475lastUpdatePostDate: changed
LOWJun 23, 2026NCT06897475lastUpdatePostDate: changed

Frequently asked questions about LY3457263

What is LY3457263 used for?

LY3457263 is an investigational small molecule being studied for metabolic conditions, including Type 2 Diabetes, overweight, and obesity. It is being evaluated in healthy participants and in people with Type 2 Diabetes, including those on stable doses of semaglutide or tirzepatide. The drug is not approved and remains in clinical development.

What does LY3457263 target?

The molecular target of LY3457263 has not been disclosed. It is a small molecule developed by Eli Lilly and Company for metabolic indications, including Type 2 Diabetes and obesity. Clinical trials are evaluating its safety and efficacy, but the specific biological mechanism of action is not publicly detailed.

Who makes LY3457263?

LY3457263 is being developed by Eli Lilly and Company, a pharmaceutical company traded on the NYSE under the ticker LLY. The company is conducting clinical trials of this investigational small molecule for Type 2 Diabetes, overweight, and obesity. Eli Lilly is the sponsor of the registered studies for LY3457263.

What phase is LY3457263 in?

LY3457263 is in Phase 2 clinical development. Early Phase 1 studies in healthy participants and people with Type 2 Diabetes have been completed. A Phase 2 trial, NCT06897475, is currently recruiting participants with Type 2 Diabetes who are on a stable dose of semaglutide or tirzepatide. The drug is investigational and not FDA approved.

What clinical trials is LY3457263 in?

LY3457263 has been studied in several clinical trials. Completed Phase 1 trials include NCT04641312 in healthy participants and those with Type 2 Diabetes, NCT05377333 alone and with dulaglutide in Type 2 Diabetes, and NCT05582096 in obese participants. The active Phase 2 trial, NCT06897475, compares LY3457263 with placebo in Type 2 Diabetes patients on semaglutide or tirzepatide.

Is LY3457263 being tested in combination with other diabetes drugs?

Yes, LY3457263 has been studied in combination with dulaglutide, a GLP-1 receptor agonist, in a completed Phase 1 trial (NCT05377333) for Type 2 Diabetes. Additionally, an ongoing Phase 2 trial (NCT06897475) is evaluating LY3457263 in patients already taking semaglutide or tirzepatide, though it compares the drug against placebo in that setting.