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KMID : 0338420120270010072
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The Korean Journal of Internal Medicine
2012 Volume.27 No. 1 p.72 ~ p.83
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Feasibility of Non-TBI Conditioning with Busulfan and Fludarabine for Allogeneic Stem Cell Transplantation in Lymphoid Malignancy
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Shin Ho-Cheol
Lee Yoo-Jin
Moon Joon-Ho
Lee Soo-Jung
Kang Byung-Woog
Chae Yee-Soo
Kim Jong-Gwang
Choi Jun-Young
Seo Jong-Won
Kim Yu-Kyung
Suh Jang-Soo
Sohn Sang-Kyun
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Abstract
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Background/Aims: This retrospective study evaluated the transplantation outcomes of patients with adult lymphoid malignancies who received chemotherapy-based conditioning with busulfan and fludarabine (BuFlu) and busulfan and cyclophosphamide (BuCy2).
Methods: Thirty-eight patients (34 with acute lymphoblastic leukemia and 4 with lymphoblastic lymphoma) were included in the current study. The conditioning regimen was BuCy2 for 14 patients and BuFlu for the remaining 24 patients. Eight and 13 patients were high risk disease in the BuCy2 and BuFlu groups, respectively.
Results: The cumulative incidence of grade II-IV acute graft-versus-host disease (GVHD) was 56.5% and 55.2% and that of extensive chronic GVHD 17.0% and 55.6% (p = 0.018) for the BuFlu and BuCy2 groups, respectively. The 3-year relapse rate was 27.8% and 31.4% and 3-year overall survival 34.3% and 46.8% for the BuFlu and BuCy2 groups, respectively. Treatment-related mortality (TRM) was significantly lower in the BuFlu group (16.9%) than in the BuCy2 group (57.1%, p = 0.010). In multivariate analyses, the BuFlu regimen was identified as an independent favorable risk factor for TRM (hazard ratio [HR], 0.036; p = 0.017) and extensive chronic GVHD (HR, 0.168; p = 0.034).
Conclusions: Our BuFlu regimen would appear to be an acceptable conditioning option for lymphoid malignancies, including high-risk diseases. It was safely administered with a lower TRM rate than BuCy2 conditioning.
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KEYWORD
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Precursor cell lymphoblastic leukemia-lymphoma, Busulfan, Drug therapy, Fludarabine
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