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OS Therapies Files New Patent Application Covering Immune Signature In Response Therapeutic Candidates Developed Using Listeria Monocytogenes Platform

Benzinga·04/16/2026 11:27:53
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  • New patent application covers treatment-emergent immune signature related to 'turning cold tumors hot' and the activation of targeted cytotoxic cellular immune responses
  • Company to host conference call later in April 2026 to review new biomarker signature
  • Biomarker signature meets pharmacodynamic/response criteria established by FDA's Biomarkers, EndpointS and other Tools (BEST) program for use as a surrogate clinical endpoint of 1-year event free survival and 2-year overall survival in OST-HER2's Phase 2b trial in the prevention of delay of recurrent, fully-resected, pulmonary metastatic osteosarcoma to support a BLA submission under FDA's Accelerated Approval Program