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Leukemia. 2006 Sep;20(9):1533-8. Epub 2006 Jul 27.

Long-term follow-up of patients with peripheral T-cell lymphomas treated up-front with high-dose chemotherapy followed by autologous stem cell transplantation.

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  • 1Divisione di Ematologia, Istituto Nazionale per lo Studio e la Cura dei Tumori, Universit√† di Milano, Milano, Italy. paolo.corradini@istitutotumori.mi.it

Abstract

We report the results of two prospective phase II studies investigating the role of high-dose sequential chemotherapy, followed by autologous stem cell transplantation (ASCT) in 62 patients with advanced stage peripheral T-cell lymphomas (PTCLs) at diagnosis. Conditioning regimen consisted of mitoxantrone (60 mg/m2) and melphalan (180 mg/m2) or carmustine, etoposide, Ara-C and melphalan followed by peripheral blood stem cell autografting. In an intent-to-treat analysis, 46 out of 62 patients (74%) completed the whole programme, whereas 16 patients did not undergo ASCT, mainly because of disease progression. At a median follow-up of 76 months, the estimated 12-year overall (OS), disease-free and event-free survival (EFS) were 34, 55 and 30%, respectively. OS and EFS were significantly better in patients with anaplastic lymphoma-kinase (ALK)-positive anaplastic large-cell lymphoma (ALCL), as compared with the remaining PTCL. Multivariate analysis showed that patients attaining complete remission (CR) before ASCT had a statistically significant benefit in terms of OS and EFS (P<0.0001). Overall treatment-related mortality rate was 4.8%. In conclusion, our findings indicate (1) up-front high-dose therapy and ASCT are feasible, but could induce a high rate of long-term CR only in patients with ALK-positive ALCL and (2) the achievement of CR before autografting is a strong predictor of better survival.

PMID:
16871285
[PubMed - indexed for MEDLINE]
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