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LY3532226

Phase 1

Diabetes Mellitus, Type 1 | Small molecule | Metabolic |Eli Lilly and Company|Last Updated: Jan 20, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment30

FDA Designations

No designations recorded

Clinical trial landscape

LY3532226 · 4 trials · 4 indications

Phase 1 4
NCT06557356A Study of LY3532226 in Participants With ObesityObesity
COMPLETED132 Analytics
NCT05887999A Study of LY3532226 in Participants With Type 1 Diabetes MellitusDiabetes Mellitus, Type 1
COMPLETED30 Analytics
NCT05407961A Study of LY3532226 in Participants With Type 2 Diabetes MellitusDiabetes Mellitus, Type 2
COMPLETED90 Analytics
NCT04923269A Study of LY3532226 in Healthy ParticipantsHealthy
COMPLETED41 Analytics
PHASE1COMPLETED
A Study of LY3532226 in Participants With Obesity
ObesityUnlock trial analytics
PHASE1COMPLETED
A Study of LY3532226 in Participants With Type 1 Diabetes Mellitus
Diabetes Mellitus, Type 1Unlock trial analytics
PHASE1COMPLETED
A Study of LY3532226 in Participants With Type 2 Diabetes Mellitus
Diabetes Mellitus, Type 2Unlock trial analytics
PHASE1COMPLETED
A Study of LY3532226 in Healthy Participants
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: 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 to Study Completion (Up to 16 Weeks)

A summary of TEAEs and SAEs, regardless of causality, will be reported in the Reported Adverse Events module

Part B: 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 to Study Completion (Up to 20 Weeks)

A summary of TEAEs and SAEs, regardless of causality, will be reported in the Reported Adverse Events module

Part C: 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 to Study Completion (Up to 8 Weeks)]

A summary of TEAEs and SAEs, regardless of causality, will be reported in the Reported Adverse Events module

Pharmacodynamics (PD): Area under the concentration versus time curve from time 60 to 120 minutes (AUC60-120min) of plasma glucagon during the insulin-induced hypoglycemia
Predose up to 120 mins postdose

PD: AUC60-120min of plasma glucagon during the insulin-induced hypoglycemia

Part B: Change from Baseline in Total Clamp Disposition Index (cDI)
Baseline up to Week 12

Change from Baseline in Total cDI

Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline up to Week 8

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

Part A: Pharmacokinetics (PK): Maximum Concentration (Cmax) of LY3532226
Predose on Day 1 through Week 16
Part A: PK: Area Under the Concentration Versus Time Curve (AUC) of LY3532226
Predose on Day 1 through Week 16
Part B: PK: Cmax of LY3532226
Predose on Day 1 through Week 20
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
LY3532226 (Part A)EXPERIMENTALLY3532226 administered subcutaneously (SC)
Placebo (Part A)PLACEBO_COMPARATORPlacebo administered SC
LY3532226 (Part B)EXPERIMENTALLY3532226 administered SC
Placebo (Part B)PLACEBO_COMPARATORPlacebo administered SC
LY3532226 (Part C)EXPERIMENTALLY3532226 administered SC
Placebo (Part C)PLACEBO_COMPARATORPlacebo administered SC
LY3532226EXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
LY3532226 + Dulaglutide (Part A)EXPERIMENTALLY3532226 administered subcutaneously (SC) followed by dulaglutide administered SC.
Placebo + Dulaglutide (Part A)PLACEBO_COMPARATORPlacebo administered SC followed by dulaglutide administered SC.
Dulaglutide + Placebo (Part B)ACTIVE_COMPARATORDulaglutide administered SC in combination with placebo given SC.
LY3532226 + Dulaglutide (Part B)EXPERIMENTALLY3532226 administered SC in combination with Dulaglutide given SC.
LY3532226 + Placebo (Part B)EXPERIMENTALLY3532226 administered SC in combination with placebo given SC.

Interventions

NameTypeDescription
LY3532226DRUGAdministered SC
PlaceboDRUGAdministered SC
DulaglutideDRUGAdministered SC.
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: * Have a body weight not exceeding 150 kilograms (kg) or 330 pounds (lb) and body mass index (BMI) within the range of 30 to 40 kilogram per square meter (kg/m²) * Have had a stable body weight that is less than or equal to 5% change in body weight for 3 months prior to screenin...

Countries:United StatesSingaporeGermany
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Frequently asked questions about LY3532226

What is LY3532226 used for?

LY3532226 is an investigational small molecule being studied for metabolic conditions including obesity, type 2 diabetes mellitus, and type 1 diabetes mellitus. It has been evaluated in Phase 1 clinical trials in healthy participants and in participants with these conditions. The drug is not approved and remains in clinical development.

Who makes LY3532226?

LY3532226 is being developed by Eli Lilly and Company, a pharmaceutical company traded on the NYSE under the ticker LLY. The company has sponsored Phase 1 clinical trials of LY3532226 across multiple countries including the United States, Singapore, and Germany.

What phase is LY3532226 in?

LY3532226 is in Phase 1 clinical development. All four clinical trials listed for LY3532226 are Phase 1 studies and have been completed. The drug is investigational and has not been approved by regulatory authorities for any indication.

What clinical trials is LY3532226 in?

LY3532226 has completed four Phase 1 trials: NCT04923269 in healthy participants in Singapore, NCT05407961 in type 2 diabetes participants in Germany, NCT05887999 in type 1 diabetes participants in the United States, and NCT06557356 in participants with obesity in the United States and Singapore.

Is LY3532226 the same as any other drug?

No alternative names for LY3532226 have been disclosed. The drug is identified solely by its investigational code LY3532226 in clinical trial registrations. It is a small molecule being studied for metabolic indications including obesity and diabetes.