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The outcome of autologous stem cell transplantation in patients with plasma cell disorders and dialysis-dependent renal failure.

Patients with multiple myeloma and end-stage renal failure on dialysis are frequently not considered eligible for high-dose therapy (HDT) due to higher transplant-related mortality (TRM). Our aim was to evaluate the toxicity and survival of dialysis-dependent patients after HDT with melphalan (100 mg/m(2)) compared to those of patients without renal insufficiency (melphalan 200 mg/m(2)) in a matched pairs analysis of 34 patients. No significant differences were observed between hematologic toxicity, TRM or disease response. Dialysis patients showed comparable event-free and overall survival. They required significantly extended intravenous antibiotic treatment and longer hospitalization. Thus, melphalan 100 mg/m2 is less toxic, yet equally efficient and improves the prognosis of this group of patients.