Long-term outcome of Ph-negative acute lymphoblastic leukaemia in adults: A single centre experience

Carlo Castagnola, Monia Lunghi, Sabrina Caberlon, Maurizio Bonfichi, Cristiana Pascutto, Mario Lazzarino

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Background and Objectives: In adult acute lymphoblastic leukaemia (ALL), unlike in childhood ALL, the percentage of long-term remitters and survivors has not improved significantly over the last decades. In the present analysis, we describe a series of adult ALL patients consecutively treated with the same regimen in order to analyse prognostic factors and treatment outcome as well as to define new risk-oriented strategies. Design and Methods: From 1990 to 1998, 102 newly diagnosed ALL patients were referred to our division, 83 of them were eligible for the present study. Median age was 31 years (range 13-76); 77.1% had B-lineage ALL and 22.9% T-lineage ALL; 36.1% showed associated myeloid markers. All patients received an induction phase treatment, consisting of a 4-week cycle with vincristine, daunorubicin, L-asparaginase and desametasone; the consolidation phase included cyclophosphamide, cytarabine, 6-mercaptopurine and central nervous system (CNS) prophylaxis, followed by three of months maintenance (methotrexate + 6-mercaptopurine), re-induction (4-week cycle with vincristine, adriamicin, desametasone), and 2-year maintenance with methotrexate + 6-mercaptopurine. Results: Complete remission (CR) was achieved in 66 patients (79.5%); 20.5% of patients were resistant. The relapse rate was 60.2%. There were 10 CNS relapses (accounting for 12% of all patients, 15% of all CRs and 20% of all relapses). One patient had an ovarian and 2 had a breast relapse. Eleven patients remained in first continuous CR after chemotherapy. Median overall survival (OS) and disease-free survival (DFS) were 1.8 and 1.0 years, respectively, with a median follow-up of 5.6 years (range 0.3-12.1). Initial white blood cell count ≤30 × 109/l, age

Original languageEnglish
Pages (from-to)234-240
Number of pages7
JournalActa Haematologica
Issue number4
Publication statusPublished - Jun 2005


  • Acute lymphoblastic leukaemia
  • Chemotherapy, efficacy in adults

ASJC Scopus subject areas

  • Hematology


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