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14C-bleximenib

Phase 1

Acute Lymphoblastic Leukemia | Small molecule | Oncology |Johnson & Johnson|Last Updated: Jun 5, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment10
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07295951A Study of 14C-Bleximenib (Radiolabeled) in Participants With Acute LeukemiaPHASE1 RECRUITING 10Nov 18, 2025Jul 13, 2026Jun 5, 20261 United Kingdom
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Study Endpoints
Primary Endpoints
Percentage of Dose Excreted in Urine (feu)
Up to Day 28

Total amount excreted into the urine, expressed as a percentage of the administered dose will be reported.

Percentage of Dose Excreted in Feces (fef)
Up to Day 28

Total amount excreted into the feces expressed as a percentage of the administered dose will be reported.

Amount Excreted in Urine (Aeu)
Up to Day 28

Aeu defined as the total amount of bleximenib and radioactivity excreted into the urine will be reported.

Amount Excreted in Feces (Aef)
Up to Day 28

Aef defined as the total amount of bleximenib and radioactivity excreted into the feces will be reported.

Area Under the Concentration-Time Curve from Time 0 to the Last Measurable Concentration (AUC0-t)
Cycle 1 Day 1, and Cycle 1 Day 2 (Cycle duration=28 days)

AUC0-t in whole blood and plasma will be reported.

Maximum Observed Concentration (Cmax)
Cycle 1 Day 1, and Cycle 1 Day 2 (Cycle duration=28 days)

Maximum observed concentration in whole blood and plasma will be determined.

Secondary Endpoints
Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to 58 days
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
BleximenibEXPERIMENTALParticipants will receive a single oral dose of 14C-bleximenib on Cycle 1 Day 1. The recommended Phase 2 dose (RP2D) of bleximenib will start on Cycle 1 Day 2 with non-radiolabeled bleximenib and will continue until the end of Cycle 1 (cycle duration=28 days), with subsequent roll-over for eligible participants to 75276617ALE1001 (NCT04811560) for continued non-radiolabeled bleximenib administration as appropriate.
Interventions
NameTypeDescription
14C-bleximenibDRUG14C-bleximenib will be administered orally.
bleximenibDRUGNon-radiolabeled bleximenib will be administered orally.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion criteria: * Body weight greater than or equal to (\>=) 40 kilograms (kg) * Relapsed or refractory (R/R) acute leukemia harboring histone-lysine N-methyltransferase 2A (KMT2A), nucleophosmin 1 (NPM1), nucleoporin 98 (NUP98) or nucleoporin 214 (NUP214) gene alterations, and has exhausted, o...

Countries:United Kingdom
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Recent Changes (Last 90 Days)
LOWJun 5, 2026NCT07295951lastUpdatePostDate: changed
LOWJun 5, 2026NCT07295951lastUpdatePostDate: changed
LOWJun 5, 2026NCT07295951lastUpdatePostDate: changed
LOWJun 5, 2026NCT07295951lastUpdatePostDate: changed
LOWMay 26, 2026NCT07295951primaryCompletionDate: changed
LOWMay 24, 2026NCT07295951studyFirstPostDate: changed