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Advances in the understanding of disease biology, drug development, and supportive care have led to improved outcomes in multiple myeloma. Given that these improvements have been reported in clinical trial and referral center populations, questions remain about the generalizability of this observation to patients treated in the community. Contrasting the overall survival experience of 3783 patients seen at Mayo Clinic and 57,654 patients followed in the Surveillance, Epidemiology, and End Results Program (SEER) between 2004 and 2018, we observed different mortality trends across patient populations and subgroups. Early mortality decreased and estimated 5-year overall survival increased over time in both patient populations. Excess mortality (compared to the general population) declined over time in Mayo Clinic patients and remained largely unchanged in SEER patients. Improvements over time were primarily observed in patients with favorable disease characteristics and older patients with multiple myeloma remain a vulnerable population with significant excess mortality compared to the United States general population. Patients with unfavorable disease characteristics have derived disproportionately less benefit from recent advances in the field. Future efforts need to focus on the development of safe and effective therapies for these patients and on increasing timely access to specialized care for patients in the community., (© 2021. The Author(s), under exclusive licence to Springer Nature Limited.)

Background: Acute renal failure requiring dialysis is associated with high mortality during autologous stem cell transplantation (ASCT). This study examined the association between acute renal failure and mortality in immunoglobulin light chain (AL) amyloidosis during ASCT., Methods: Between 1996 and 2010, 408 ASCT patients were evaluated. Data were collected from electronic medical records., Results: Dialysis was performed on 72 (17.6%) patients. Eight patients started dialysis >30 days prior to ASCT (Group II), 36 started ±30 days after ASCT (Group III) and 28 initiated dialysis >1 month after ASCT (Group IV). Patients who never dialyzed were assigned to Group I. There were no significant age or sex differences. Median overall survival (OS) had not been reached in Groups I and II but was 7.0 months in Group III and 48.5 months in Group IV (P < 0.001). Treatment-related mortality (TRM) was observed in 44.4% of the patients in Group III, 6-fold higher than the next highest group (P < 0.001). The most common causes of TRM were cardiac and sepsis. In the multivariate analysis, only hypoalbuminemia (<2.5 g/dL, P < 0.001) and estimated glomerular filtration rate (eGFR) <40 mL/min/1.73 m(2) (P < 0.001) were independently associated with starting dialysis within 30 days of ASCT., Conclusions: The study found significant differences in the OS depending on when the acute renal failure occurred. Patients who required dialysis within 30 days of ASCT had the highest rate of TRM. Screening with serum albumin and eGFR may reduce the risk., (© The Author 2015. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved.)