- BNT324/DB-1311 showed encouraging antitumor activity and a manageable safety profile in a Phase 1/2a clinical trial in heavily pretreated patients with locally advanced or metastatic solid tumors, including small cell lung cancer ("SCLC"), non-small cell lung cancer ("NSCLC"), and castration-resistant prostate cancer ("CRPC").
- In patients with SCLC with at least one post-baseline tumor assessment and who had received prior immunotherapy but no prior topoisomerase 1 inhibitor, the unconfirmed objective response rate ("uORR") was 70.4% at the BNT324/DB-1311 9 mg/kg dose level.
- In patients with CRPC, the uORR was 28.0%; imaging progression-free survival ("rPFS") data are not yet mature, with a median rPFS of 7.2 months and a 6-month rPFS rate of 94.7%.
- Multiple clinical trials combining selected assets from BioNTech's and DualityBio's strategic partnership with BNT327/PM8002, an investigational bispecific antibody targeting PD-L1 and VEGF-A, are planned; a Phase 1/2 trial evaluating BNT324/DB-1311 with BNT327/PM8002 in patients with SCLC or NSCLC is planned to start in 2025.
Reported Earlier, Duality Biologics And BioNtech Reveals Interim Results For B7-H3 Antibody-Drug Conjugate BNT324/DB-1311 In Advanced Solid Tumors At ESMO Asia Congress 2024
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