ARCA biopharma, Inc. (ARCA) is a biopharmaceutical company. The Company is principally focused on developing genetically-targeted therapies for cardiovascular diseases. The Company's lead product candidate is Gencaro (bucindolol hydrochloride), a beta-blocker and mild vasodilator that the Company is evaluating in a clinical trial for the treatment of atrial fibrillation (AF) in patients with heart failure with reduced left ventricular ejection fraction (HFREF). Gencaro is...