secwatch.observer — SEC 8-K summary ====================================== Issuer: SELLAS Life Sciences Group, Inc. (SLS) CIK: 0001390478 Form: 8-K Filed at: 2023-10-16T23:59:59+00:00 Accession: 0001104659-23-109256 Event type: other_material Sentiment: positive Materiality: 0.85 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 SELLAS reports positive Phase 2a topline data for SLS009 in AML; first patient achieved complete response -------------------------------------------------------------------------------- - First of 5 enrolled r/r AML patients achieved complete response, remains alive in 5th month of treatment. - All 5 patients alive at last follow-up; 4 continue treatment; anti-leukemic effects seen in all. - No significant safety issues observed at 45 mg dose level; median OS for venetoclax-failure AML is ~2.5 months. - SLS009 is first CDK9 inhibitor to achieve CR in combination with AZA/VEN in venetoclax-resistant AML. - Topline data for 60 mg dose expected later this quarter; multiple registrational opportunities cited. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1390478/000110465923109256/0001104659-23-109256-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1390478/000110465923109256/tm2328502d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-23-109256 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer