BROOMFIELD, Colo.--(BUSINESS WIRE)--ARCA biopharma, Inc. (Nasdaq: ABIO), a biopharmaceutical company developing genetically targeted therapies for cardiovascular diseases, today announced that the U.S. Patent and Trademark Office (USPTO) has issued a patent on methods for treating patients with bucindolol based on genetic targeting and focused on a specific genotype – homozygous wildtype for Deletion 322-325 in the alpha-2C adrenergic receptor. The patent (USP# 8,080,578) entitled “Methods for Treatment with Bucindolol Based on Genetic Targeting,” provides protection in the United States for this novel approach to treating patients with bucindolol.