Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoma entity whose prognosis for high-risk patients is poor. Aggressive salvage treatments to improve patient outcome have been unsatisfactory. Therefore, we evaluated the efficacy of yttrium-90-ibritumomab tiuxetan (Zevalin®; (90)Y-IT) consolidation after early salvage chemotherapy with autologous stem cell transplantation. Thirty-seven patients with intermediate-high risk DLBCL not in complete remission (CR) after three cycles of rituximab, cyclophosphomide, doxorubicin, vincristine and prednisone (R-CHOP) were assessed retrospectively. After early salvage treatment, 70% achieved CR and 30% partial remission. Twenty patients underwent additional consolidation with (90)Y-IT. During the 3-year follow-up, 50% in the (90)Y-IT-treated group experienced relapse compared to 82.3% in the other cohort (p=0.002). Progression- and disease-free survival were significantly longer in the (90)Y-IT group. However, probably due to the relatively short follow-up period, no difference in overall survival was observed. (90)Y-IT consolidation after early salvage chemotherapy improves treatment responses and reduces the percentage of relapses without significant additional toxicities. Copyright© 2014 International Institute of Anticancer Research (Dr. John G. Delinassios), All rights reserved.

90Y-IBRITUMOMAB TIUXETAN CONSOLIDATION AFTER AUTOLOGOUS STEM CELL TRANSPLANTATION IMPROVES SURVIVAL OF INTERMEDIATE/HIGH-RISK DIFFUSE LARGE B-CELL LYMPHOMA PATIENTS NOT RESPONDING ADEQUATELY TO FIRST

MONDELLO, PATRIZIA;ALTAVILLA, Giuseppe;PITINI, Vincenzo;
2014-01-01

Abstract

Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoma entity whose prognosis for high-risk patients is poor. Aggressive salvage treatments to improve patient outcome have been unsatisfactory. Therefore, we evaluated the efficacy of yttrium-90-ibritumomab tiuxetan (Zevalin®; (90)Y-IT) consolidation after early salvage chemotherapy with autologous stem cell transplantation. Thirty-seven patients with intermediate-high risk DLBCL not in complete remission (CR) after three cycles of rituximab, cyclophosphomide, doxorubicin, vincristine and prednisone (R-CHOP) were assessed retrospectively. After early salvage treatment, 70% achieved CR and 30% partial remission. Twenty patients underwent additional consolidation with (90)Y-IT. During the 3-year follow-up, 50% in the (90)Y-IT-treated group experienced relapse compared to 82.3% in the other cohort (p=0.002). Progression- and disease-free survival were significantly longer in the (90)Y-IT group. However, probably due to the relatively short follow-up period, no difference in overall survival was observed. (90)Y-IT consolidation after early salvage chemotherapy improves treatment responses and reduces the percentage of relapses without significant additional toxicities. Copyright© 2014 International Institute of Anticancer Research (Dr. John G. Delinassios), All rights reserved.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/3050776
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