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  • Title: [Peripheral blood stem cell autografts (PBSCT) in the treatment of 30 children with acute leukemias and lymphoma].
    Author: Abe T, Takaue Y, Matsunaga K, Saito S, Hirao A, Okamoto Y, Nakanishi J, Watanabe T, Kawano Y, Ninomiya T.
    Journal: Rinsho Ketsueki; 1991 Nov; 32(11):1425-32. PubMed ID: 1758049.
    Abstract:
    Thirty children (1-16 y.o.; median, 10 y.o.) with acute leukemia or non-Hodgkin's lymphoma (NHL) associated with high-risk features underwent high-dose chemotherapy without total body irradiation and peripheral blood stem cell autografts (PBSCT). Eighteen patients had acute lymphoblastic leukemia (ALL), 6 had acute non-lymphoblastic leukemia (ANLL), 2 had mixed-lineage leukemia and 4 had NHL. Twelve patients with two or more high-risk features (WBC greater than 10 x 10(4)/microliter, T- or B-phenotypes, infancy, massive organ infiltration, or induction failure) underwent PBSCT in 1st CR. Twelve patients underwent PBSCT in 2nd CR, and 4 in the subsequent remission greater than or equal to 3rd CR). Two patients were treated at refractory relapse. After PBSCT the number of days required to achieve a granulocyte count of 0.5 x 10(9)/l and a platelet count of 50 x 10(9)/l was 6.39 (median, 13) and 9-427 (median, 16), respectively. The disease-free survival rate was 6/12 in 1st CR group (6-41 mo) and 6/16 in the patients who underwent PBSCT in 2nd or subsequent remission (2-35 mo). The data justify the incorporation of PBSCT in the design of salvage protocol for children with leukemias or NHL. However, the application of the procedure as part of initial therapy in patients still remaining in 1st CR should be regarded as highly experimental and deserve further clarification.
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