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Oncology Pipeline Update: Prostate Cancer T-Cell Engager Partnership, BTK Inhibitor Filing, and Novel Targeted Therapy Results

Jun 05, 2026

Key oncology developments include a $315 million partnership between Astellas and Vir for the prostate cancer T-cell engager VIR-5500, with updated phase 1 data showing an 82% PSA50 rate. The FDA accepted a filing for Ono Pharmaceuticals' tirabrutinib seeking accelerated approval in primary central nervous system lymphoma. Research findings also identified a new kidney cancer biomarker and showed promising results for the TRK inhibitor repotrectinib and the breast cancer triple therapy gedatolisib plus palbociclib and fulvestrant.

FDA Grants Fast Track Designation for Pelareorep in Colorectal Cancer

Feb 17, 2026

Oncolytics Biotech received FDA Fast Track Designation for pelareorep in second-line KRAS-mutant microsatellite-stable metastatic colorectal cancer, based on clinical data showing a 33% response rate and median overall survival of 27 months versus 11.2 months with standard treatment.