Fractionated total body irradiation in allogeneic bone marrow transplantation in leukemia patients: analysis of prognostic factors and results in 136 patients

被引:4
作者
Donato, V
Iacari, V
Zurlo, A
Capua, A
Tombolini, V
Banelli, E
Enrici, RM
De Felice, C
Giacco, G
Iori, AP
Arcese, W
Biagini, C
机构
[1] Univ Roma La Sapienza, Inst Radiol, Dept Radiotherapy, I-00136 Rome, Italy
[2] Univ Roma La Sapienza, Dept Haematol, Rome, Italy
[3] Univ Roma Tor Vergata, Dept Radiotherapy, Rome, Italy
[4] Univ Roma La Sapienza, Dept Med Phys Radiotherapy, Rome, Italy
[5] Univ Aquila, Inst Radiol, Rome, Italy
关键词
fractionated total body irradiation; allogeneic bone marrow transplantation; leukemia;
D O I
10.1016/S0167-8140(98)00069-3
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background and purpose: The results of a single-institution series of patients with chronic and acute leukemias are analyzed with regard to literature-reported predictor variables. Materials and methods: Between 1985 and 1994, 136 patients, 82 patients with chronic myeloid leukemia (CML) and 54 with acute leukemia (AL), received a uniform preparatory regimen of fractionated total body irradiation (TBI; 12 Gy in 3 days) plus different chemotherapy regimens before bone marrow transplantation. Eighty-six patients were considered to be in early phase of disease (CML in chronic phase or AL in first complete remission) and 50 in advanced phase (all those beyond first remission or first chronic phase). Ninety-five patients received unmanipulated allogeneic BM, and 41 T-lymphocyte-depleted BM. Results: The 5-year overall survival (OS) and disease-free survival (DFS) of the whole series were 43% and 31%, and median survival was 43 and 10 months, respectively. A Cox proportional hazard model identified variables related to overall and disease-free survival. For OS, graft versus host disease (GVHD) was the first independent variable (P < 0.0001), followed by age (P < 0.001), T-depletion (P < 0.01), disease status (P < 0.05) and type of leukemia (P < 0.05). With regard to DFS, only T-depletion (P < 0.0001), disease status (P < 0.81) and GVHD (P < 0.01) resulted predictor factors. Early complications after BMT were reported in 59 patients, TBI-induced delayed toxicity in 9 patients, and 16 patients suffered late complications. Conclusions: Our results confirm the curability of early phase leukemias with standard fractionated TBI-induced Allogeneic bone marrow transplantation (ABMT). With an homogeneous fractionated TBI schedule as employed in our series, T-cell depletion negatively affected the outcome. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:267 / 276
页数:10
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