Roche (SIX: RO, ROG; OTCQX: RHHBY) today announced that in the IMvigor 210 study, the investigational cancer immunotherapy atezolizumab (MPDL3280A; anti-PDL1) shrank tumours (objective response rate, ORR, the primary end point of this Phase II study) in people with locally advanced or metastatic urothelial bladder cancer (UBC) who had progressed …