secwatch.observer — SEC 8-K summary ====================================== Issuer: Theriva Biologics, Inc. (TOVX) CIK: 0000894158 Form: 8-K Filed at: 2026-04-17T23:59:59+00:00 Accession: 0001104659-26-044906 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Theriva reports positive VIRAGE Phase 2b data for VCN-01 in pancreatic cancer at AACR 2026 -------------------------------------------------------------------------------- - VCN-01 + gemcitabine/nab-paclitaxel improved OS and PFS vs GnP alone in metastatic pancreatic cancer patients. - Later-emerging, higher magnitude, more durable responses observed; benefit maintained across subgroups including liver metastases. - Patients receiving a second VCN-01 dose showed greater OS and PFS benefit. - CEO reported alignment with FDA and EMA on proposed pivotal Phase 3 trial; planning study of more frequent VCN-01 dosing. - Data presented at AACR 2026 (poster CT162) on April 20, 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/894158/000110465926044906/0001104659-26-044906-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/894158/000110465926044906/tm2612012d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-044906 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer