PB2021: QUALITY OF LIFE AND CLINICAL OUTCOMES IN PATIENTS WITH RELAPSED/REFRACTORY MULTIPLE MYELOMA (RRMM) TREATED WITH IXAZOMIB-LENALIDOMIDE-DEXAMETHASONE (IRD): RESULTS OF A REAL-WORLD EVIDENCE STUDY. (23rd June 2022) - Ionova, T.; Vinogradova, O.; Kochkareva, Y.; Ado, E.; Kaplanov, K.; Shirokova, M.; Shelekhova, T.; Levanov, A.; Kopylova, A.; Li, O.; Mitina, T.; Rukavitsyn, O.; et al.