Approximately 20% of patients with multiple myeloma (MM) have renal failure at diagnosis, and about 5% are dialysis-dependent. Many of these patients are considered ineligible for autologous hematopoietic stem cell transplantation (auto-HSCT) because of a high risk of treatment-related toxicity. We evaluated the outcome of 46 patient with MM and renal failure, defined as serum creatinine >2 mg/dL sustained for >1 month before the start of preparative regimen. Patients received auto-HSCT at our institution between September 1997 and September 2006. Median serum creatinine and creatinine clearance (CrCl) at auto-HSCT were 2.9 mg/dL (range: 2.0–12.5) and 33 mL/min (range: 8.7–63), respectively. Ten patients (21%) were dialysis-dependent. Median follow-up in surviving patients was 34 months (range: 5–81). Complete (CR) and partial responses (PR) after auto-HSCT were seen in 9 (22%) and 22 (53%) of the 41 evaluable patients, with an overall response rate of 75%. Two patients (4%) died within 100 days of auto-HSCT. Grade 2–4 nonhematologic adverse events were seen in 18 patients (39%) and included cardiac arrythmias, pulmonary edema, and hyperbilirubinemia. Significant improvement in renal function, defined as an increase in flomerular filtration rate (GFR) by 25% above baseline, was seen in 15 patients (32%). Kaplan-Meier estimates of 3-year progression-free survival (PFS) and overall survival (OS) were 36% and 64%, respectively. In conclusion, auto HSCT can be offered to patients with MM and renal failure with acceptable toxicity and with a significant improvement in renal function in approximately one-third of the transplanted patients. In this analysis, a melphalan (Mel) dose of 200 mg/m2 was not associated with an increase in toxicity or nonrelapse (Mel) mortality (NRM).

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A high risk of regimen-related toxicity with allogeneic hematopoietic stem cell transplantation (allo-HSCT) limits this potentially curative treatment for patients with a left ventricular ejection fraction (LVEF) of ≥50%. We evaluated the frequency of cardiac complications and 100-day nonrelapse mortality (NRM) in 56 patients with a LVEF of ≤45%, who received allo HCTat our institution. The results were retrospectively compared with a matched control group with LVEF of ≥50%, which received an allogeneic stem cell transplantation (allo-SCT). After a median follow-up of 29 months in the study group, grade ≥2 cardiac complications were seen in 7 of 56 (12.5%) patients and cumulative incidence of 100-day NRM was 12.5% with no deaths from cardiac causes. In contrast, after a median follow-up of 49 months in the control group, grade >2 cardiac complications were seen in 19 of 161 patients (11.8%; P = 1.00) and cumulative incidence of 100-day NRM was 14.9% (P =.82). The presence of at least 1 of the 7 pretransplant cardiac risk factors (past history of smoking, hypertension, hyperlipidemia, coronary artery disease, arrhythmia, prior myocardial infarction, and congestive heart failure) was associated with a higher cardiac complication rate in the study group (P = .03). In conclusion, selected patients with a LVEF of ≤45% can safely receive allo-HCT without a significant increase in cardiac toxicity or NRM.