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BNT327 Dose Level 1

Phase 2

Locally Advanced Breast Cancer | Small molecule | Oncology |BioNTech SE|Last Updated: Feb 25, 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
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment83
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06449222Safety and Preliminary Effectiveness of BNT327, an Investigational Therapy for Breast Cancer, When Given in Combination With ChemotherapyPHASE2 ACTIVE NOT_RECRUITING 83Aug 26, 2024Jun 1, 2029Feb 25, 202631 United States, Australia +2
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Study Endpoints
Primary Endpoints
Occurrence of treatment emergent adverse events (TEAEs), adverse events of special interest (AESIs), treatment emergent serious adverse events (SAEs)
up to 100 days after the last dose of treatment

In the combination treatment regimen according to the (US) National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events version 5.0 (CTCAE version 5.0). By treatment arm and overall.

Occurrence of dose interruption, dose reduction, and discontinuation of study treatment due to adverse events (AEs)
up to 100 days after the last dose of treatment

By treatment arm and overall.

Objective Response Rate (ORR)
Until end-of-treatment visit, i.e., up to 24 months after the first dose of treatment

Defined as the proportion of participants in whom a confirmed complete response (CR) or partial response (PR) (per Response Evaluation Criteria in Solid Tumors version 1.1 \[RECIST 1.1\] based on the investigator's assessment) is observed as best overall response. By treatment arm.

Best percentage change from baseline in the tumor size
Until end-of-treatment visit, i.e., up to 24 months after the first dose of treatment

Based on the investigator's tumor assessment according to RECIST 1.1. Defined as the change from baseline in percent to the minimal tumor size until tumor progression/recurrence or death (whichever occurs first). By treatment arm.

Proportion of participants who have achieved early tumor shrinkage
up to 4 months after first dose of treatment

Defined as ≥10% decrease in the pretreatment sum of diameters at first post-treatment tumor scan in target lesions. By treatment arm.

Secondary Endpoints
PK assessment: Maximum concentration (Cmax) derived from serum concentration of BNT327
from pre-dose to 15 days after study treatment
PK assessment: Area Under the Curve During the Dosing Interval (AUCtau) derived from serum concentration of BNT327
from pre-dose to 15 days after study treatment
Incidence of detectable BNT327 antidrug antibodies in serum
from pre-dose to 100 days after last dose of study treatment
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1 Arm 1 - BNT327 DL1 + Nab-paclitaxelEXPERIMENTAL -
Cohort 1 Arm 2 - BNT327 DL2 + Nab-paclitaxelEXPERIMENTAL -
Cohort 2 Arm 1 - BNT327 Optimized dose + PaclitaxelEXPERIMENTAL -
Cohort 2 Arm 2 - BNT327 Equivalent Q3W dose + Gemcitabine + CarboplatinEXPERIMENTAL -
Cohort 2 Arm 3 - BNT327 Equivalent Q3W dose + EribulinEXPERIMENTAL -
Interventions
NameTypeDescription
BNT327 Dose Level 1 (DL1)DRUGIntravenous (IV) infusion
BNT327 Dose Level 1 (DL2)DRUGIV infusion
Nab-placlitaxelDRUGIV infusion
CarboplatinDRUGIV infusion
GemcitabineDRUGIV infusion
PaclitaxelDRUGIV infusion
EribulinDRUGIV infusion
BNT327 Optimized DoseDRUGIV infusion
BNT327 Equivalent Q3W DoseDRUGIV infusion
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites31

Inclusion Criteria: * Have given informed consent by signing and dating an informed consent form before initiation of any study-specific procedures. * Male or female, aged ≥18 years at the time of giving informed consent. * Are willing and able to comply with scheduled visits, the treatment schedul...

Countries:United StatesAustraliaTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06449222primaryCompletionDate: changed
LOWMay 24, 2026NCT06449222studyFirstPostDate: changed