920TiPErdafitinib compared with vinflunine or docetaxel or pembrolizumab in patients (pts) with metastatic or surgically unresectable (M/UR) urothelial carcinoma (UC) and selected fgfr gene alterations (FGFRalt): The phase III THOR study. (23rd October 2018) - Loriot, Y; Necchi, A; Park, S H; Huddart, R A; Burgess, E; Zhong, B; Santiago-Walker, A; Little, S; Roccia, T; De Porre, P; Siefker-Radtke, A O