Induction therapy consisted of an immunomodulatory drug, a proteasome inhibitor or a combination of both....In the multivariate analysis, baseline hypercalcemia and beta-2-microglobulin >ULN were associated with significantly shorter PFS (HR: 2.3, p=0.02; HR: 2.7, p=0.001, respectively) and OS (HR: 5.4, p<0.001; HR: 1.9, p=0.02, respectively)...