Journal
HAEMATOLOGICA
Volume 92, Issue 8, Pages 1067-1074Publisher
FERRATA STORTI FOUNDATION
DOI: 10.3324/haematol.11173
Keywords
peripheral T-cell lymphoma; international prognostic index; beta-2-microglobulin; autologous stem cell transplantation
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Background and Objectives Preliminary data on the use of autologous stem cell transplantation (ASCT) as a salvage therapy for peripheral T-cell lymphoma (PTCL) indicate that the results are similar to those obtained in aggressive B-cell lymphomas. The aim of our study was to analyze outcomes of a large series of patients with PTCL with a prolonged follow-up who received ASCT as salvage therapy. Design and Methods Between 1990 and 2004, 123 patients in this situation were registered in the GELTA-MO database. The median age at transplantation was 43.5 years; in 91% of patients the disease was chemosensitive. Results Seventy-three percent of the patients achieved complete remission, 11% partial remission and the procedure failed in 16%. At a median follow-up of 61 months, the 5-year overall and progression-free survival rates were 45% and 34%, respectively. The presence of more than one factor of the adjusted International Prognostic Index (a-IPI) and a high beta 2-microglobulin at transplantation were identified as adverse prognostic factors for both overall and progression-free survival and allowed the population to be stratified into three distinct risk groups. Interpretation and Conclusions Our data show that approximately one third of patients with PTCL in the salvage setting may enjoy prolonged survival following ASCT, provided they are transplanted in a chemosensitive disease state. The a-IPI and beta 2-microglobulin level predict the outcome after ASCT in relapsing/refractory PTCL.
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