Positive Trial Demonstrates Superiority of Aficamten to Standard-of-Care Beta-Blocker Metoprolol Primary Endpoint Result Consistent Across All Prespecified Subgroups Company to Host Investor Event and Webcast Tuesday September 2, 2025, at 8:00 AM Eastern Time SOUTH SAN FRANCISCO, Calif., Aug. 30, 2025 (GLOBE NEWSWIRE) -- Cytokinetics, Incorporated (Nasdaq: CYTK) today announced that primary results from MAPLE-HCM (Metoprolol vs Aficamten in Patients with LVOT Obstruction on Exercise Capaci