TOVX THERIVA BIOLOGICS INC US FDA Inspections 8-K Filing 2023 - Presentation of Survival Outcomes in Phase 1 Study Theriva Biologics presented survival outcomes in a Phase 1 study of VCN-01 and durvalumab in patients with head and neck cancer at the ESMO Congress.Get access to all SEC 8-K filings of the THERIVA BIOLOGICS INC