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Prepublished online as a Blood First Edition Paper on November 27, 2002; DOI 10.1182/blood-2002-05-1483.

Submitted May 23, 2002
Accepted September 27, 2002
A Comparison of Allogeneic and Autologous Bone Marrow Transplant for Lymphoblastic Lymphoma
John E Levine, Richard E Harris, Fausto R Loberiza, Jr, James O Armitage, Julie M Vose, Koen Van Besien, Hillard M Lazarus, Mary M Horowitz*, and
University of Michigan, Ann Arbor, Michigan, USA
Children's Hospital Medical Center, Cincinnati, Ohio, USA
IBMTR, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
University of Nebraska Medical Center, Omaha, Nebraska, USA
University of Chicago, Chicago, Illinois, USA
Case Western Reserve University, Cleveland, Ohio, USA
* Corresponding author; email: marymh{at}mcw.edu.
Lymphoblastic lymphoma (LBL) is a rare, clinically aggressive neoplasm of the young that frequently involves the bone marrow (BM) and/or central nervous system. Because LBL is similar to acute lymphoblastic leukemia, some centers prefer allogeneic hematopoietic stem cell transplantation (SCT) over autologous SCT. We retrospectively analyzed outcomes for patients who underwent autologous (auto, N=128) or HLA-identical sibling (allo, N=76) SCT from 1989 to 1998 and were reported to IBMTR or ABMTR. AlloSCT recipients had higher treatment-related mortality (TRM) at 6 months (18% vs 3%, p=0.002) and this disadvantage persisted at 1 and 5 years. Early relapse rates after allo and autoSCT were similar, but significantly lower relapse rates were observed in alloSCT recipients at 1 and 5 years (32% vs 46%, p=0.05; and 34% vs 56%, p=0.004, respectively). No differences were noted in lymphoma-free survival rates between the allo and autoSCT (5-year rates 36% vs 39%, p=0.82). AutoSCT recipients had higher overall survival at 6 months (75% vs 59%, p=0.01), but survival did not significantly differ between the 2 groups at 1 and 5 years (60% vs 49, p=0.09; 44% vs 39%, p=0.47, respectively). Multivariate analyses to account for confounding factors confirmed these results. Independent of SCT type, BM involvement at the time of transplant and disease status more advanced than CR1 were associated with inferior outcomes. In summary, alloSCT for LBL is associated with fewer relapses than compared to autoSCT, but higher TRM offsets any potential survival benefit.

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