Recent Updates
Recently added Catalysts

JNJ-64042056

Phase 2

Alzheimer Disease | Small molecule | Neurology |Johnson & Johnson|Last Updated: Jun 5, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment55
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06544616A Study of JNJ-64042056 in Participants With Preclinical Alzheimer's DiseasePHASE2 ACTIVE NOT_RECRUITING 55Jul 22, 2024Jan 5, 2027Jun 5, 202690 United States, Australia +7
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Change From Baseline in Brain Tau Burden as Measured by Tau PET in Specified Regions of Interest (ROI)
Baseline up to Week 102

Change from baseline in brain tau burden, as measured by tau PET (including but not limited to Braak I-VI ROIs, tau naive composite ROI, Connection Rank ROI, and New Tau Composite ROI Volume) will be reported.

Secondary Endpoints
Levels of IgG Titers Against Enriched Paired Helical Filaments (ePHF), p-tau and tau in Serum
Up to Week 102
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Up to Week 104
Number of Participants With Reactogenicity
Up to Week 78
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: JNJ-64042056EXPERIMENTALParticipants will receive intramuscular (IM) injection of JNJ-64042056 from Week 0 up to a maximum of Week 76.
Arm B: PlaceboPLACEBO_COMPARATORParticipants will receive IM injection of placebo from Week 0 up to a maximum of Week 76.
Interventions
NameTypeDescription
JNJ-64042056DRUGJNJ-64042056 will be administered intramuscularly.
PlaceboDRUGPlacebo will be administered intramuscularly.
Unlock Study Design Details
Eligibility Criteria
Age Range55 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites90

Inclusion Criteria: * Elevated brain tau pathology defined as Braak 3 region of interest standardized uptake value ratio (ROI SUVR) greater than (\>) 1.1 (or equivalent based on emerging data) on a screening tau PET scan, reviewed centrally by a qualified reader to enrich for probability of disease...

Countries:United StatesAustraliaBelgiumFranceGermanyJapanSpainSwedenUnited Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWJun 5, 2026NCT06544616Completion: 2026-12-22 → 2027-01-05
LOWJun 5, 2026NCT06544616Completion: 2026-12-22 → 2027-01-05
LOWJun 5, 2026NCT06544616Completion: 2026-12-22 → 2027-01-05
LOWJun 5, 2026NCT06544616Completion: 2026-12-22 → 2027-01-05
HIGHMay 26, 2026NCT06544616Enrollment: 498 → 55
LOWMay 24, 2026NCT06544616studyFirstPostDate: changed