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LY3532226

Phase 1

Obesity | Small molecule | Metabolic |Eli Lilly and Company|Last Updated: Jan 20, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment132
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06557356A Study of LY3532226 in Participants With ObesityPHASE1 COMPLETED 132Aug 16, 2024Dec 12, 2025Jan 20, 20264 United States, Singapore
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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

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
Interventions
NameTypeDescription
LY3532226DRUGAdministered SC
PlaceboDRUGAdministered SC
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Eligibility Criteria
Age Range18 Years — 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 StatesSingapore
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