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LY3954068

Phase 1

Alzheimer Disease | Small molecule | Neurology |Eli Lilly and Company|Last Updated: Apr 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 Enrollment48
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06297590A First-In-Human Study of LY3954068 in Participants With Early Symptomatic Alzheimer's DiseasePHASE1 RECRUITING 48Aug 15, 2024Feb 1, 2027Apr 20, 202610 United States, Japan +1
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Study Endpoints
Primary Endpoints
Part A: Number of participants with one or more Adverse Event (s) (AEs), 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 Week 24 and Week 72 (for optional bridging period participants)

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

Part B: Number of participants with one or more Adverse Event (s) (AEs), 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 Week 52

A summary of AEs, TEAEs, 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 Observed Concentration (Cmax)
Day 1 up to Week 24
Part B: PK: Cmax
Day -1 up to Week 52
Part A: PK: Area Under the Concentration Versus Time Curve (AUC)
Day 1 up to Week 24
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
LY3954068 (Part A)EXPERIMENTALSingle ascending dose of LY3954068 administered intrathecally (IT)
Placebo (Part A)PLACEBO_COMPARATORSingle ascending dose of placebo administered IT
LY3954068 (Part B)EXPERIMENTALMultiple ascending dose of LY3954068 administered IT
Placebo (Part B)PLACEBO_COMPARATORMultiple ascending dose of placebo administered IT
Interventions
NameTypeDescription
LY3954068DRUGAdministered IT
PlaceboDRUGAdministered IT
Flortaucipir F18DRUGAdministered intravenously (IV) prior to Positron Emission Tomography (PET) scan
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Eligibility Criteria
Age Range50 Years — 85 Years
SexALL
Healthy VolunteersNo
Study Sites10

Inclusion Criteria: * Have a body mass index (BMI) within the range 18 to 40 kilograms per square meter (kg/m²), inclusive, at screening. * Have gradual and progressive change in memory function for greater than or equal to (≥) 6 months as reported by the participant or informant. * Have a mini men...

Countries:United StatesJapanUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06297590primaryCompletionDate: changed
LOWMay 24, 2026NCT06297590studyFirstPostDate: changed