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CLDN6 CAR-T

Phase 1

Solid Tumor | Monoclonal antibody | Oncology |BioNTech SE|Last Updated: Apr 17, 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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment214
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04503278A Clinical Study of the Safety and Effectiveness of an Investigational Cell Therapy Given With and Without an Investigational RNA-based Vaccine in Patients With Organ TumorsPHASE1 RECRUITING 214Sep 16, 2020Aug 1, 2041Apr 17, 202612 Australia, Germany +2
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Study Endpoints
Primary Endpoints
Occurrence of treatment-emergent adverse events (TEAEs) including ≥ Grade 3, serious, fatal TEAEs by relationship
up to 25 months
Occurrence of dose reduction and discontinuation of investigational medicinal product (IMP) due to TEAEs
up to 25 months
Occurrence of dose-limiting toxicity (DLT) during the DLT evaluation period
Day 1 to day 28
Secondary Endpoints
Change from baseline in the levels and kinetics of soluble immune factors measured by cytokine multiplex assay
Baseline up to 25 months
Objective response rate
up to 25 months
Disease control rate
up to 25 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelFACTORIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1 - CLDN6 CAR-TEXPERIMENTALDose escalation in lymphodepleted patients until the MTD and/or RP2D.
Part 2 Vaccine-modulated - CLDN6 uRNA-LPX/CLDN6 modRNA-LPXEXPERIMENTALDose escalation until the MTD and/or RP2D.
Interventions
NameTypeDescription
CLDN6 CAR-TBIOLOGICALadministered as an intravenous (i.v.) infusion.
CLDN6 uRNA-LPX/CLDN6 modRNA-LPXBIOLOGICALadministered as an i.v. injection at protocol-specified intervals.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites12

Inclusion Criteria: * Each patient enrolled in the trial must have CLDN6-positive tumor regardless of tumor histology defined as ≥ 50% of tumor cells expressing CLDN6 protein at an intensity of ≥2+ using a semi-quantitative immunohistochemistry assay in a central laboratory for specific detection o...

Countries:AustraliaGermanyNetherlandsSweden
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT04503278primaryCompletionDate: changed
LOWMay 24, 2026NCT04503278studyFirstPostDate: changed