High-dose fractionated total-body irradiation, etoposide, and cyclophosphamide followed by autologous stem-cell support in patients with malignant lymphoma.
PURPOSE: To evaluate a high-dose treatment regimen of fractionated total-body irradiation (TBI), etoposide, and cyclophosphamide (Cy) followed by autologous stem-cell transplantation (ASCT) in patients with malignant lymphoma. PATIENTS AND METHODS: Fifty-three patients with non-Hodgkin's lymphoma (NHL; n = 43) or Hodgkin's disease (HD; n = 10) received 12.0 Gy of fractionated TBI, etoposide 60 mg/kg, and Cy 100 mg/kg followed by infusion of autologous hematopoietic stem cells. RESULTS: Thirty-one of 53 patients are alive a median of 643 (range, 177 to 1,144) days after transplant. The 2 year Kaplan-Meier (K-M) estimates of survival, event-free survival (EFS), and relapse for all 53 patients were 54%, 45%, and 43%, respectively. Sixteen of 24 patients with less advanced disease and 10 of 29 patients with more advanced disease survive free of disease for K-M estimates of EFS of 61% and 31%, respectively (P = .006). The K-M estimates of relapse were 34% for patients with less advanced disease and 53% (P = .05) for patients with more advanced disease. The K-M estimates of dying from causes other than relapse were 8% in patients with less versus 25% in patients with more advanced disease (P = .09). CONCLUSION: These data indicate that approximately 60% of patients transplanted early after failure of initial therapy for malignant lymphoma are projected to be disease-free more than 2 years after treatment with fractionated TBI, etoposide, and Cy and infusion of autologous hematopoietic stem cells. The transplant-related mortality rate is low and relapse is the main cause of treatment failure in patients with less advanced disease. For patients with more advanced disease, the K-M estimates of both transplant-related deaths (25%) and relapse (53%) remain major problems.
Weaver, CH; Petersen, FB; Appelbaum, FR; Bensinger, WI; Press, O; Martin, P; Sandmaier, B; Deeg, HJ; Hansen, JA; Brunvand, M
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