Anti-BCMA bispecific T-cell engager antibodies (BiTE) have demonstrated impressive efficacy in heavily relapsed multiple myeloma patients; however, infections remain a serious concern with these therapies. In this article, Lancman et al. demonstrate that profound and prolonged hypogammaglobulinemia is universal in patients responding to therapy and is a significant driver of infections. Intravenous immunoglobulin (IVIg) replacement mitigates the risk of serious infections ten-fold. The findings support IVIg as a primary prophylaxis throughout the duration of therapy and raise questions about the optimal schedule and duration of BiTE treatment.

See article, p. 440.

The combination of azacytidine with venetoclax has become the standard first-line treatment for patients with acute myeloid leukemia (AML) unable to tolerate chemotherapy. However, there is still unmet need for not only identifying poor-responding patients but also identifying effective therapeutic strategies for them. In this precision medicine proof-of-concept study, Eide, Kurtz et al. implement ex vivo screening of...

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