Research Papers:

A 5-day cytoreductive chemotherapy followed by haplo-identical hsct (FA5-BUCY) as a tumor-ablative regimen improved the survival of patients with advanced hematological malignancies

Ting Yang, Qiaoxian Lin, Jinhua Ren, Ping Chen, Xiaohong Yuan, Xiaofeng Luo, Tingbo Liu, Jing Zheng, Zhihong Zheng, Xiaoyun Zheng, Xinji Chen, Langhui Zhang, Hao Zheng, Zaisheng Chen, Xueling Hua, Shaohua Le, Jian Li, Zhizhe Chen and Jianda Hu _

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Oncotarget. 2016; 7:78773-78786. https://doi.org/10.18632/oncotarget.12383

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Ting Yang1,*, Qiaoxian Lin1,*, Jinhua Ren1,*, Ping Chen1, Xiaohong Yuan1, Xiaofeng Luo1, Tingbo Liu1, Jing Zheng1, Zhihong Zheng1, Xiaoyun Zheng1, Xinji Chen1, Langhui Zhang1, Hao Zheng1, Zaisheng Chen1, Xueling Hua1, Shaohua Le1, Jian Li1, Zhizhe Chen1, Jianda Hu1

1Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian, P. R. China

*These authors have contributed equally to this work

Correspondence to:

Jianda Hu, email: drjiandahu@163.com

Keywords: haplo-identical HSCT, cytoreductive chemotherapy, refractory, hematological malignancies, disease control

Received: June 11, 2016    Accepted: September 20, 2016    Published: October 1, 2016


Haplo-HSCT has been used when HLA-matched siblings are not available. Conditioning regimens aim to reduce tumor burden prior to HSCT and provide sufficient immunoablation. We report the outcome of haplo-HSCT in 63 consecutive patients from 2/2013 to 12/2015 (19 females/44 males) with high-risk or relapsed/refractory hematological malignancies (n=29-AML; 8-sAML; 19-ALL; 5-advanced-MDS; 2-CML-BC). Median age was 20 years (range: 1.1-49). Twenty-one patients achieved remission prior to transplant, while 42 did not. Patients received FA5-BUCY, i.e., 5-day salvage chemotherapy (Fludarabine/Ara-C) and conditioning (Busulfan/Cyclophosphamide). GvHD prophylaxis included ATG, CsA, MMF and short-term MTX. All patients received stem cells from bone marrow and peripheral blood, and achieved successful engraftment, except two who died before. With a median follow-up of 269 days (120-1081), 42/63 patients are still alive and disease-free. Two-year OS and RFS were similar in patients not in remission and in those in complete remission (61.3% vs 56.3%, p=0.88; 58.3% vs 56.3%, p=0.991). Non-relapse mortality and relapse incidence were 22.2% and 11.1%, respectively. Severe acute-GvHD occurred in 4/63 patients. Transplant-related mortality was low at day+100 (17.5%) and for the entire study period (20.6%). Unexpectedly, few patients experienced mild-to-moderate toxicity, and main causes of death were infection and GvHD. BM blast counts, age, and donor-recipient gender-pairs did not affect the outcome. Less chemotherapy cycles prior to HSCT might result in more favorable outcome. Thus, haplo-HSCT with FA5-BUCY appears promising for advanced disease, especially when TBI and amsacrine, used for FLAMSA, are not available and in pediatric patients for whom TBI is not recommended.

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