secwatch.observer — SEC 8-K summary ====================================== Issuer: CYTOKINETICS INC (CYTK) CIK: 0001061983 Form: 8-K Filed at: 2024-05-08T23:59:59+00:00 Accession: 0000950170-24-055046 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Cytokinetics reports positive Phase 1 data for CK-586; Phase 2 in HFpEF expected Q4 2024 -------------------------------------------------------------------------------- - Phase 1 study of CK-586 met primary safety, tolerability, PK objectives; no serious adverse events observed. - CK-586 is a novel cardiac myosin inhibitor for heart failure with preserved ejection fraction (HFpEF). - Phase 2 trial in HFpEF patients expected to begin in Q4 2024; based on Phase 1 safety and PK profile. - Echocardiography showed pharmacodynamics consistent with expectations; linear PK across doses 10-600 mg. - Aficamten, company's other cardiac myosin inhibitor, supported mechanism in non-obstructive HCM. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1061983/000095017024055046/0000950170-24-055046-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1061983/000095017024055046/cytk-20240508.htm HTML page: https://secwatch.observer/filing/0000950170-24-055046 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer