• S K Parsons, S M Castellino, L E Lehmann, C E Eickhoff, N J Tarbell, S E Sallan, H J Weinstein, and A L Billett.
• Division of Hematology@Oncology, Children's Hospital, Boston, MA, USA
• Bone Marrow Transplant. 1996 May 1; 17 (5): 763-8.

AbstractThe therapy of choice for relapsed childhood acute lymphoblastic leukemia is controversial. We retrospectively compared the outcome of 57 patients who received autologous bone marrow transplantation (BMT) with 17 patients who underwent allogeneic BMT for B cell lineage acute lymphoblastic leukemia after at least one marrow relapse. The allogeneic BMT cohort included only those who would also have been eligible for autologous BMT had they not had a matched sibling donor. Specifically, patients who were not in complete remission, those with T cell positive leukemia, t(9;22) or those with only an extramedullary relapse were excluded from both groups. Conditioning regimens included total body irradiation and chemotherapy. Age, white blood count at diagnosis, and duration of first and longest complete remissions were comparable for the two groups. The median follow-up of the event-free survivors was 4.8 years for those who received an autologous BMT (n = 26) and 4.6 years for those who received an allogeneic BMT (n = 8). The relapse rate was higher in the autologous BMT group and the incidence of non-leukemic deaths higher in the allogeneic BMT group. Event-free survival at 3 years was comparable for the two groups (47% +/- 7 vs 53% +/- 12, autologous vs allogeneic, respectively; P = 0.77). Based upon these findings, we concluded that the outcome for autologous BMT was equivalent to allogeneic BMT for relapsed childhood B cell lineage acute lymphoblastic leukemia in selected clinical situations.

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