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TARGETING THE SARCOMERE TO IMPACTHEART FUNCTION

Omecamtiv Mecarbil

Cytokinetics is developing omecamtiv mecarbil, a novel, selective cardiac myosin activator for the potential treatment for heart failure with reduced ejection fraction (HFrEF). Omecamtiv mecarbil is an investigational drug candidate being developed under a collaboration between Amgen and Cytokinetics with funding and strategic support from Servier.

Omecamtiv mecarbil stimulates cardiac myosin, a protein responsible for converting chemical energy into the mechanical force that results in contraction of the heart. It is designed to improve cardiac muscle performance, potentially helping patients preserve cardiac function and quality of life, avoid hospitalizations, and decrease the risk of death due to heart failure. Preclinical research has shown that cardiac myosin activators increase cardiac contractility without affecting intracellular myocyte calcium concentrations or myocardial oxygen consumption.

Omecamtiv mecarbil was the subject of seven Phase 2 clinical trials, including COSMIC-HF, which evaluated omecamtiv mecarbil in patients with chronic heart failure and left ventricular systolic dysfunction.

Omecamtiv mecarbil is the subject of a comprehensive Phase 3 clinical trials program comprised of GALACTIC-HF (Global Approach to Lowering Adverse Cardiac Outcomes Through Improving Contractility in Heart Failure), a large, Phase 3 global cardiovascular outcomes study, and METEORIC-HF, (Multicenter Exercise Tolerance Evaluation of Omecamtiv Mecarbil Related to Increased Contractility in Heart Failure), a Phase 3 clinical trial designed to evaluate the effect of treatment with omecamtiv mecarbil compared to placebo on exercise capacity.