Cytokinetics, Incorporated (NASDAQ:CYTK) today announced that data from the Phase 1 study of CK-4021586 (CK-586) were presented in a poster session at the American College of Clinical Pharmacology (ACCP) Annual Meeting in Bethesda, MD. The study met its primary and secondary objectives to assess the safety, tolerability and pharmacokinetics (PK) of single and multiple oral doses of CK-586. The data support the advancement of CK-586 to a Phase 2 clinical trial in patients with heart failure with preserved ejection fraction (HFpEF) which is expected to begin in Q4 2024. CK-586 is a cardiac myosin inhibitor in development for the potential treatment of a subgroup of patients with symptomatic HFpEF with hypercontractility and ventricular hypertrophy.