ACADIA Pharmaceuticals Inc. (NASDAQ: ACAD), a biopharmaceutical company focused on innovative treatments that address unmet medical needs in neurological and related central nervous system disorders, today announced the election of Stephen R. Biggar, M.D., Ph.D., to its board of directors. Dr. Biggar will fill a vacancy on ACADIA’s board and serve as a Class II director. The terms of the Class II directors will expire at the annual meeting of stockholders in 2015.