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Iza-bren

Phase 2

Breast Neoplasms | Small molecule | Oncology |Bristol-Myers Squibb Company|Last Updated: May 29, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment500
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06926868A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01)PHASE2 RECRUITING 500Sep 11, 2025May 15, 2030May 29, 2026294 United States, Argentina +26
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Study Endpoints
Primary Endpoints
Progression-Free Survival (PFS)
Approximately 31 months from first participant randomization

Assessed using Response Evaluation Criteriain Solid Tumors version 1.1 (RECIST v1.1) byblinded independent central review (BICR)

Secondary Endpoints
Overall Survival (OS)
Approximately up to 57 months from first participant randomization
Recommended Phase 3 Dose (RP3D) of BMS-986507
Approximately 19 months from first participant randomization
Number of participants with treatment-related Adverse Events (AEs)
Approximately up to 57 months from first participant randomization
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A1EXPERIMENTAL -
Arm A2EXPERIMENTAL -
Arm BACTIVE_COMPARATOR -
Interventions
NameTypeDescription
Iza-brenDRUGSpecified dose on specified days
Nab-paclitaxelDRUGSpecified dose on specified days
PaclitaxelDRUGSpecified dose on specified days
CapecitabineDRUGSpecified dose on specified days
CarboplatinDRUGSpecified dose on specified days
GemcitabineDRUGSpecified dose on specified days
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites294

Inclusion Criteria * Histologically or cytologically confirmed and documented locally-advanced, recurrent inoperable, or metastatic TNBC (ER \< 1%, PgR \< 1%, HER2 IHC 0, 1+, or 2+ with ISH negative for HER2 gene amplification) or ER-low, HER2-negative BC (ER and / or PgR 1% to 10%, HER2 IHC 0, 1+,...

Countries:United StatesArgentinaAustraliaAustriaBrazilCanadaChileChinaColombiaFranceGermanyGreeceIndiaIsraelItalyJapanMexicoPolandPortugalRomaniaSouth AfricaSouth KoreaSpainSwedenSwitzerlandTurkey (Türkiye)United Arab EmiratesUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 29, 2026NCT06926868lastUpdatePostDate: changed
LOWMay 29, 2026NCT06926868lastUpdatePostDate: changed
LOWMay 29, 2026NCT06926868lastUpdatePostDate: changed
LOWMay 26, 2026NCT06926868primaryCompletionDate: changed
LOWMay 24, 2026NCT06926868studyFirstPostDate: changed