Recent Updates
Recently added Catalysts

BNT323/DB-1303

Phase 3

Endometrial Cancer | Small molecule | Oncology |BioNTech SE|Last Updated: May 20, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment480
FDA Designations
BREAKTHROUGH_THERAPYFAST_TRACK
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06340568A Clinical Study of the Anti-cancer Effects of an Investigational Therapy or Chemotherapy in Patients With Recurring Uterine CancerPHASE3 RECRUITING 480Jun 10, 2025Nov 1, 2029May 20, 2026156 United States, Argentina +22
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Cohort 1: PFS assessed by blinded independent central review (BICR) in participants with HER2 IHC 1+/2+ recurrent endometrial cancer
Up to approximately 53 months

By treatment arm. Defined as the time from randomization to the first objective tumor progression (per RECIST v1.1) or death from any cause, whichever occurs first.

Cohort 2: ORR assessed by BICR in participants with HER2 IHC 3+ recurrent endometrial cancer
Up to approximately 53 months

Defined as the proportion of participants with a CR or PR (per RECIST v1.1) as best overall response with confirmation.

Secondary Endpoints
Cohort 1: Overall survival (OS) in participants with HER2 IHC 1+/2+ recurrent endometrial cancer
Up to approximately 53 months
Cohort 1: PFS assessed by the investigator in participants with HER2 IHC 1+/2+ recurrent endometrial cancer
Up to approximately 53 months
Cohort 1: ORR assessed by BICR in participants with HER2 IHC 1+/2+ recurrent endometrial cancer
Up to approximately 53 months
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1 (HER2 IHC score 1+ or 2+): BNT323/DB-1303EXPERIMENTAL -
Cohort 1 - Doxorubicin or paclitaxel (or docetaxel)ACTIVE_COMPARATORSingle agent chemotherapy (either doxorubicin or paclitaxel) per investigator's choice. Participants with contraindications to paclitaxel may receive docetaxel as an alternative (if available at the site).
Cohort 2 (HER2 IHC score 3+) - BNT323/DB-1303EXPERIMENTAL -
Interventions
NameTypeDescription
BNT323/DB-1303DRUGintravenous (IV) infusion
DoxorubicinDRUGIV bolus or infusion
PaclitaxelDRUGIV infusion
DocetaxelDRUGIV infusion
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites156

Key Inclusion Criteria: * Are female adults (defined as ≥18 years of age or acceptable age according to local regulations at the time of voluntarily giving informed consent). * Have histologically confirmed endometrial cancer that: * Is recurrent, * Has a HER2 IHC score of 1+, 2+ (Cohort 1), o...

Countries:United StatesArgentinaAustraliaBelgiumBrazilCanadaChinaCzechiaDenmarkFinlandFranceGreeceHungaryIsraelItalyNetherlandsNorwayPolandSouth KoreaSpainSwedenTaiwanTurkey (Türkiye)United Kingdom
Unlock Eligibility Criteria
Competitive Landscape -Endometrial Cancer 113 trials
CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK6PHASE3Sacituzumab tirumotecan, Doxorubicin, Paclitaxel, Nab-paclitaxel, Pembrolizumab
AstraZeneca PLCAZN14PHASE3olaparib, durvalumab, Carboplatin, Paclitaxel, Durvalumab + Chemotherapy phase
Gilead Sciences, Inc.GILD2PHASE3Sacituzumab govitecan-hziy, Doxorubicin, Paclitaxel
GSK plc Sponsored ADRGSK3PHASE3Mocertatug rezetecan, Paclitaxel, Doxorubicin, Dostarlimab, Carboplatin
BioNTech SE Sponsored ADRBNTX1PHASE3BNT323/DB-1303, Doxorubicin, Paclitaxel, Docetaxel
Genmab A/S Sponsored ADRGMAB3PHASE3Rina-S, IC, GEN1047 is a bispecific antibody that induces T-cell mediated cytotoxicity of B7H4-positive tumor cells., Carboplatin, Bevacizumab
Karyopharm Therapeutics, Inc.KPTI1PHASE3Selinexor
Pfizer Inc.PFE4PHASE2tucatinib, trastuzumab, fulvestrant, disitamab vedotin, PF-08052666
HUTCHMED (China) Limited Sponsored ADRHCM1PHASE3fruquintinib, sintilimab, paclitaxel, doxorubicin
Eli Lilly and CompanyLLY5PHASE1LY3537982, Pembrolizumab, Cetuximab, Pemetrexed, Cisplatin
Incyte CorporationINCY1PHASE2retifanlimab, epacadostat, pemigatinib, INCAGN02385, INCAGN02390
Jazz Pharmaceuticals Public Limited CompanyJAZZ2PHASE2Zanidatamab
Corcept Therapeutics Incorporated.CORT1PHASE2Relacorilant once daily, Nab-paclitaxel /m^2, Bevacizumab /kg
Xencor, Inc.XNCR2PHASE2vudalimab, XmAb541
Acrivon Therapeutics, Inc.ACRV1PHASE2ACR-368, Gemcitabine
MacroGenics, Inc.MGNX2PHASE2Lorigerlimab, MGC026 Dose Escalation
Iovance Biotherapeutics IncIOVA1PHASE2Lifileucel
Regeneron Pharmaceuticals, Inc.REGN2PHASE1REGN5668, Cemiplimab, Ubamatamab, Sarilumab, Tocilizumab
IDEAYA Biosciences, Inc.IDYA2PHASE1IDE-161, Pembrolizumab, IDE034
Bristol-Myers Squibb CompanyBMY1PHASE1BMS-986463
Unlock Competitive Intelligence
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06340568primaryCompletionDate: changed
LOWMay 24, 2026NCT06340568studyFirstPostDate: changed