P915: EFFICACY AND SAFETY OF DARATUMUMAB MONOTHERAPY IN NEWLY DIAGNOSED PATIENTS WITH STAGE 3B LIGHT CHAIN AMYLOIDOSIS: A PHASE 2 STUDY BY THE EUROPEAN MYELOMA NETWORK. (23rd June 2022) - Kastritis, E.; Minnema, M. C.; Dimopoulos, M. A.; Merlini, G.; Theodorakakou, F.; Fotiou, D.; Huart, A.; Belhadj, K.; Gkolfinopoulos, S.; Manousou, K.; Sonneveld, P.; Palladini, G.