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JNJ-74856665

Phase 1

Acute Myeloid Leukemia | Small molecule | Oncology |Johnson & Johnson|Last Updated: Oct 1, 2025

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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment153
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04609826A Study of JNJ-74856665 in Participants With Acute Myeloid Leukemia (AML) or Myelodysplastic Syndrome (MDS)PHASE1 COMPLETED 153Nov 26, 2020Aug 25, 2025Oct 1, 202520 France, South Korea +2
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Study Endpoints
Primary Endpoints
Arms A and D: Number of Participants with Dose-Limiting Toxicity (DLT)
Up to 21 Days

Number of participants with DLT will be assessed. The DLTs are specific adverse events and are defined as any of the following: high grade non-hematologic toxicity, or hematologic toxicity.

Arms B and C: Number of Participants with DLT
Up to 28 Days

Number of participants with DLT will be assessed. The DLTs are specific adverse events and are defined as any of the following: high grade non-hematologic toxicity, or hematologic toxicity.

Arms A, B, C and D: Number of Participants with Adverse Events (AEs) as a Measure of Safety and Tolerability
After last dose of study treatment (up to 6 months)

An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/biological agent under study.

Arms A, B, C and D: Number of Participants with AEs by Severity
After last dose of study treatment (up to 6 months)

Number of participants with AEs by severity will be reported as defined by National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0.

Secondary Endpoints
Plasma Concentration of JNJ-74856665
Up to 2 years and 10 months
Biomarker Levels of Intermediates Including Dihydroorotate (DHO), Orotate, and Uridine of JNJ-74856665
Up to 2 years and 10 months
Arm A, Arm B and Arm C: Clinical Response of all Participants with a Primary Disease of Acute Myeloid Leukemia (AML)
Up to 2 years and 10 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: JNJ-74856665EXPERIMENTALParticipants will receive JNJ-74856665 orally in a 21-day cycle. The dose levels will be escalated based on the decisions of the Study Evaluation Team (SET) until a recommended Phase 2 dose (RP2D) has been identified.
Arm B: JNJ-74856665 + Azacitidine (AZA)EXPERIMENTALParticipants will receive JNJ-74856665 orally in combination with AZA administered intravenously (IV) or subcutaneously (SC) in a 28-day cycle.
Arm C: JNJ-74856665 + Venetoclax (VEN)EXPERIMENTALParticipants will receive JNJ-74856665 orally in combination with VEN in a 28-day cycle.
Arm D: JNJ-74856665EXPERIMENTALParticipants will receive JNJ-74856665 orally in a 21-day cycle. Participants with transfusion dependent relapsed/refractory Myelodysplastic Syndrome (MDS) will be included.
Interventions
NameTypeDescription
JNJ-74856665DRUGJNJ-74856665 will be administered orally.
AZADRUGAZA will be administered IV infusion or SC injection.
VENDRUGVEN tablet will be administered orally.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites20

Inclusion Criteria: * A diagnosis of: Arms A and C: Acute Myeloid Leukemia (AML) according to the World Health Organization (WHO) 2016 criteria with relapsed or refractory disease and have exhausted or are ineligible for standard therapeutic options; or newly transformed secondary AML according to ...

Countries:FranceSouth KoreaSpainUnited Kingdom
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