secwatch.observer — SEC 8-K summary ====================================== Issuer: Actinium Pharmaceuticals, Inc. (ATNM) CIK: 0001388320 Form: 8-K Filed at: 2023-02-21T23:59:59+00:00 Accession: 0001213900-23-013059 Event type: other_material Sentiment: positive Materiality: 0.90 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Actinium announces positive Phase 3 SIERRA trial results for Iomab-B in r/r AML ------------------------------------------------------------------------------- - Iomab-B met primary endpoint: 22% durable CR vs 0% control (p<0.0001). - Event-free survival HR=0.22 (78% risk reduction, p<0.0001). - Iomab-B doubled 1-year OS (26.1% vs 13.1%) and median OS (6.4 vs 3.2 months). - Sepsis rate 4x lower (6.1% vs 28.6%); 100% engraftment in Iomab-B arm. - Patients achieving dCR had 92% 1-year and 60% 2-year survival. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1388320/000121390023013059/0001213900-23-013059-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1388320/000121390023013059/ea173990-8k_actinium.htm HTML page: https://secwatch.observer/filing/0001213900-23-013059 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer