Abstract
To review a current experience of unrelated bone marrow transplantation (BMT) with reduced-intensity conditioning (RIC) regimens, we conducted a nationwide survey with 77 patients (age, 25–68 years). The backbone RIC regimen was a combination of fludarabine or cladribine, busulfan or melphalan and total body irradiation at 2–4 Gy. Five patients died early, but 71 (92%) achieved initial neutrophil recovery. Thereafter, 36 patients (47%) died of therapy-related complications, 23 (30%) of whom died within day 100. Grades II–IV acute graft-versus-host disease (GVHD) occurred in 34 of the 68 evaluable patients (50%). In a multivariate analysis, a regimen containing antithymocyte globulin (ATG) was significantly associated with a decreased risk of acute GVHD (P = 0.041). Thirty-three patients are currently alive with a median follow-up of 439 days (28–2002 days), with an OS of 50% at 1 year. In conclusion, unrelated BMT with RIC regimens can be a curative treatment in a subset of patients.
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Acknowledgments
We would like to thank Michihiro Hidaka, Katsuji Shinagawa, Tomomi Toubai, Yuichiro Nawa, Koichiro Yuji, Akinobu Takami, Nobuharu Fujii, Yoshinobu Takemoto, and Yoshihiro Yamasaki for their aid in collecting data and responding to the queries. This work was supported by grants from the Ministry of Health, Labor and Welfare, Japan (T.T., Y.T.)
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Kim, SW., Matsuo, K., Fukuda, T. et al. Reduced-intensity unrelated donor bone marrow transplantation for hematologic malignancies. Int J Hematol 88, 324–330 (2008). https://doi.org/10.1007/s12185-008-0163-7
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DOI: https://doi.org/10.1007/s12185-008-0163-7