PUBLICAÇÕES científicas

The adjusted International Prognostic Index and beta-2-microglobulin predict the outcome after autologous stem cell transplantation in relapsing/refractory peripheral T-cell lymphoma

Rodríguez J, Conde E, Gutiérrez A, Lahuerta JJ, Arranz R, Sureda A, Zuazu J, Fernández de Sevilla A, Bendandi M, Solano C, León A, Varela MR, Caballero MD; Grupo Español de Linfomas/Trasplante Autólogo de Médula Osea, Spanish Lymphoma/Autologous Bone Marrow Transplant Study Group.
Oncology Department, University Hospital Son Dureta, Palma de Mallorca, Balearic Islands, Spain.

Revisão:Haematologica

Data: 1/Ago/2007

Área de Terapia Celular [ES]

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 GELTAMO 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 beta2-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 beta2-microglobulin level predict the outcome after ASCT in relapsing/refractory PTCL.

CITAÇÃO DO ARTIGO  Haematologica. 2007 Aug;92(8):1067-74

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