P04: DARATUMUMAB PLUS BORTEZOMIB AND DEXAMETHASONE VERSUS BORTEZOMIB AND DEXAMETHASONE ALONE IN PATIENTS WITH PREVIOUSLY TREATED MULTIPLE MYELOMA: OVERALL SURVIVAL RESULTS FROM THE PHASE 3 CASTOR TRIAL. (5th April 2022) - Sonneveld, P; Chanan-Khan, A; Weisel, K; Nooka, AK; Masszi, T; Beksac, M; Spicka, I; Hungria, V; Munder, M; Mateos, MV; Mark, TM; Levin, MD; et al.