Biogen Inc. (BIIB) , along with its Belgian partner UCB, announced positive topline data from the phase III PHOENYCS GO study, which evaluated the investigational drug candidate, dapirolizumab pegol, for the treatment of moderate-to-severe systemic lupus erythematosus (SLE).SLE is a chronic and debilitating autoimmune disease that can affect multiple organ systems.The study met the primary endpoint by demonstrating clinical improvement in moderate-to-severe SLE.Year to date, shares of Biogen have plunged 25 ...