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  • Title: Improved survival for children with B-cell acute lymphoblastic leukemia and stage IV small noncleaved-cell lymphoma: a pediatric oncology group study.
    Author: Bowman WP, Shuster JJ, Cook B, Griffin T, Behm F, Pullen J, Link M, Head D, Carroll A, Berard C, Murphy S.
    Journal: J Clin Oncol; 1996 Apr; 14(4):1252-61. PubMed ID: 8648381.
    Abstract:
    PURPOSE: In an effort to improve outcome for children with advanced B-cell malignancies, a treatment plan based on a published regimen that consists of four courses of fractionated cyclophosphamide (cyclo) given with doxorubicin (doxo) and vincristine (VCR) was intensified by alternating with sequential high-dose methotrexate (MTX) and cytarabine (Ara-C), given in conjunction with intrathecal (IT) MTX and Ara-C. PATIENTS AND METHODS: From October 1986 to October 1992, 133 eligible patients were enrolled: 74 with B-cell (surface immunoglobulin-positive [Slg+] acute lymphoblastic leukemia (B-ALL) and 59 with stage IV small noncleaved-cell lymphoma (SNCCL). The median age was 8 years; there were 103 males and 30 females. Abdominal tumor masses were prominent in 63 cases (33 B-ALL and 30 stage IV SNCCL). RESULTS: Complete remission (CR) was achieved in 66 B-ALL and 57 stage IV patients (93% overall). At 4 years, the estimated event-free survival (EFS) rate is 65% +/- 8% for patients with B-ALL and 79% +/- 9% for those with stage IV SNCCL. Among patients with CNS involvement, 23 of 36 remain in CR (4-year EFS rate, 64% +/- 13%). Relapses occurred early; only 3 patients relapsed after completion of therapy. Thirteen relapses occurred in the marrow, three in the CNS, and six in other sites. Of 11 CNS-positive patients who relapsed, only two recurred primarily in the CNS. CONCLUSION: The results of this study indicate that with intensified chemotherapy an increasing potential for cure exists for patients with B-ALL and stage IV SNCCL.
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