Long-Term Follow-up of Reduced Intensity Allogeneic Stem Cell Transplantation for Chronic Lymphocytic Leukemia: Prognostic Model to Predict Outcome
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Kim, Haesook T.
Armand, Philippe
Wu, Catherine
Gribben, John G.
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https://doi.org/10.1038/leu.2012.228Metadata
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Brown, J. R., H. T. Kim, P. Armand, C. Cutler, D. C. Fisher, V. Ho, J. Koreth, et al. 2012. “Long-Term Follow-up of Reduced Intensity Allogeneic Stem Cell Transplantation for Chronic Lymphocytic Leukemia: Prognostic Model to Predict Outcome.” Leukemia : official journal of the Leukemia Society of America, Leukemia Research Fund, U.K 27 (2): 362-369. doi:10.1038/leu.2012.228. http://dx.doi.org/10.1038/leu.2012.228.Abstract
CLL remains incurable with chemoimmunotherapy, and allogeneic hematopoietic stem cell transplantation (HSCT) offers potential for cure. We assessed the outcomes of 108 CLL patients undergoing first allogeneic HSCTs, 76 with reduced intensity (RIC) and 32 with myeloablative (MAC) conditioning between 1998 and 2009 at Dana-Farber Cancer Institute. With median follow-up 5.9 years in surviving patients, the 5 year OS for the entire cohort is 63% for RIC regimens and 49% for MAC regimens (p=0.18). The risk of death declined significantly starting in 2004 and we found that 5 year OS for HSCT between 2004–2009 was 83% for RIC regimens compared to 47% for MAC regimens (p=0.003). For RIC transplantation, we developed a prognostic model based on predictors of PFS, specifically remission status, LDH, comorbidity score and lymphocyte count, and found 5-year PFS 83% for score 0, 63% for score 1, 24% for score 2, and 6% for score >= 3 (p<0.0001). We conclude that RIC HSCT for CLL in the current era is associated with excellent long-term PFS and OS, and, as potentially curative therapy, should be considered early in the disease course of relapsed high-risk CLL patients.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3519975/pdf/Terms of Use
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