Amgen has terminated its collaboration with Cytokinetics and intends to transition the development and commercialization rights for omecamtiv mecarbil and AMG 594. Omecamtiv mecarbil, an investigational selective cardiac myosin activator, was studied in GALACTIC-HF, a Phase 3 clinical trial in patients with chronic heart failure with reduced ejection fraction (HFrEF), and AMG 594, a novel mechanism selective cardiac troponin activator, is in Phase 1 development for HFrEF and other types of heart...