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  • Title: [Results of treatment of children with acute lymphatic leukemia (ALL) according to the ALL V protocol of the Netherlands Working Group on Leukemia in Children].
    Author: van der Does-van den Berg A, van Wering ER, Suciu S, Solbu G, Rammeloo JA, de Koning J, van Zanen GE.
    Journal: Tijdschr Kindergeneeskd; 1988 Apr; 56(2):61-6. PubMed ID: 3287685.
    Abstract:
    The Dutch Childhood Leukemia Study Group performed a phase III study (Study ALL V) to evaluate the effectiveness of addition of rubidomycin to induction treatment with vincristine, prednisone and L-asparaginase in children (0-15 years) with standard risk acute lymphoblastic leukemia: WBC less than 50.10(9)/l, absence of mediastinal mass and/or cerebromeningeal leukemia. Furthermore, the influence of some initial patient- en disease-characteristics on the outcome was analysed. Between May 1979 and December 1982 240 patients entered into the study and were randomized into 2 groups: group A (n = 122) received induction treatment with vincristine, prednisone and L-asparaginase; group B (n = 118) received induction treatment with vincristine, prednisone, L-asparaginase and rubidomycin. All patients received cranial irradiation (doses adjusted to age) and intrathecal methotrexate, followed by maintenance treatment with 6-mercaptopurine and methotrexate for 5 weeks, alternated with vincristine and prednisone for 2 weeks, up to 24 months. Complete remission rate was 94% in both groups. Event-free survival at 5 years after diagnosis was higher in group B (62% +/- 4.6%) than in group A (54.2% +/- 4.6%) but the difference was not significant. A higher initial WBC, age greater than or equal to 10 years and a positive acid phosphatase reaction of the leukemic cells were unfavorable prognostic factors (p less than 0.01). Sex, FAB-morphology, immunophenotype and place of treatment (center or general hospital) were not significant factors.
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