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  • Title: [Comparison of the effectiveness of chemotherapy and autologous hematopoietic stem cell transplantation as postremission treatment for adult acute lymphoblastic leukemia patients].
    Author: Jin FY, Zou DH, Wang GR, Xu Y, Feng SZ, Zhao YZ, Han MZ, Yan WW, Qiu LG.
    Journal: Zhonghua Xue Ye Xue Za Zhi; 2005 Nov; 26(11):645-8. PubMed ID: 16620547.
    Abstract:
    OBJECTIVE: To evaluate the effectiveness of chemotherapy (CT) and autologous hematopoietic stem cell transplantation (ASCT) as post-remission treatment for adult acute lymphoblastic leukemia (AL) patients. METHODS: Seventy-four ALL patients achieved first complete remission (CR(1)) with induction therapy, and then received early-stage sequential intensive consolidation chemotherapy. After that, 40 patients received chemotherapy (CT group) and 34 received ASCT (ASCT group) as post-remission treatment. The median follow-up was 20.5 months. The rates of leukemia free survival (LFS), overall survival (OS) and relapse were compared between the two groups. RESULTS: (1) The median LFS and OS were 14.0 and 20.6 months respectively for CT group and both were more than 53.5 months for ASCT groups. (2) Relapse occurred in 28 patients (70%) in CT group in a median time of 8.5 months (range, 1-72 months) and 20 of them (71.43%) relapsed within 1 year. Eleven patients (32.35%) relapsed in ASCT group, in a median time of 6 (2-30) months after transplantation. (3) There was no statistic difference in LFS, OS and relapse rate at 1 year between CT and ASCT groups (P > 0.05), whereas both LFS and OS at 3 and 5 years for ASCT group were significantly better than those for CT group (P < 0.05). Relapse rate for ASCT group was lower than that for CT group. (4) Higher LFS and OS and lower relapse rate were found for those who received monoclonal antibody purged autografts followed by immunotherapy and (or) maintenance therapy after ASCT (P < 0.05). CONCLUSIONS: Early sequential intensive consolidation chemotherapy followed by auto-HSCT could significantly reduce late relapse rate for adult ALL patients, and those received ex vivo purged autografts and immunotherapy and (or) maintenance therapy after ASCT have lower late relapse rate and superior survival.
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