secwatch.observer — SEC 8-K summary ====================================== Issuer: Zentalis Pharmaceuticals, Inc. (ZNTL) CIK: 0001725160 Form: 8-K Filed at: 2023-04-17T23:59:59+00:00 Accession: 0001725160-23-000063 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Zentalis reports preclinical data linking Cyclin E1 to azenosertib sensitivity; expects clinical data in H1 2023 -------------------------------------------------------------------------------- - Preclinical data show azenosertib kills Cyclin E1-high tumor cells in vitro and inhibits patient-derived in vivo models. - Data presented at AACR 2023 suggest CCNE1 amplification/Cyclin E1 expression as potential predictive marker for patient enrichment. - Company now expects to share Phase 1b ovarian chemo combination clinical data in H1 2023, ahead of original guidance. - Collaboration with Dr. Gordon Mills of Oregon Health & Science University on Wee1 inhibition studies. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1725160/000172516023000063/0001725160-23-000063-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1725160/000172516023000063/zntl-20230417.htm HTML page: https://secwatch.observer/filing/0001725160-23-000063 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer