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Medline ® Abstract for Reference 78

of 'Treatment of relapsed or refractory mantle cell lymphoma'

78
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Allogeneic transplantation with reduced-intensity conditioning for Hodgkin and non-Hodgkin lymphoma: importance of histology for outcome.
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Armand P, Kim HT, Ho VT, Cutler CS, Koreth J, Antin JH, LaCasce AS, Jacobsen ED, Fisher DC, Brown JR, Canellos GP, Freedman AS, Soiffer RJ, Alyea EP
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Biol Blood Marrow Transplant. 2008;14(4):418.
 
Allogeneic stem cell transplantation (SCT) with reduced-intensity conditioning (RIC) has the potential to lead to long-term remissions for patients with lymphoma. However, the role of RIC SCT in the treatment of lymphoma is still unclear. Specifically, the relative benefit of RIC SCT across lymphoma histologies and the prognostic factors in this population are incompletely defined. We retrospectively analyzed the outcomes of 87 patients with advanced lymphoma who underwent RIC SCT at the Dana-Farber Cancer Institute over a 6-year period with a homogeneous conditioning regimen consisting of fludarabine and low-dose busulfan. Thirty-six patients had Hodgkin disease (HD) and 51 had non-Hodgkin lymphoma (NHL). Sixty-eight percent had undergone prior autologous transplantation. The 1-year cumulative incidence of nonrelapse mortality was 13%, and the 3-year cumulative incidence of progression was 49%. The incidence of grade 3-4 acute GVHD was 11%. The 2-year cumulative incidence of chronic GVHD was 68%, and its development was associated with a decreased risk of progression and an improved progression-free survival (PFS). Three-year overall survival (OS) was 56% for patients with HD, 81% for indolent NHL, 42% for aggressive NHL,and 40% for mantle cell lymphoma. The corresponding figures for 3-year PFS were 22%, 59%, 22%, and 30%, respectively. Multivariate analysis identified elevated pretransplantation lactate dehydrogenase (LDH) as an adverse factor for PFS, while indolent NHL histology was favorable. For OS, advanced age and elevated pretransplantation LDH were adverse factors, whereas indolent NHL histology was favorable. Low early donor chimerism was not predictive of poor outcome in univariate or multivariate analyses. Moreover, progression was not associated with loss of chimerism. These results emphasize the importance of lymphoma histology for patients undergoing RIC SCT, as well as the lack of relevance of donor chimerism for outcome in this patient population.
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Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA. parmand@partners.org
PMID