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A comparison of HLA-identical sibling allogeneic versus autologous transplantation for diffuse large B cell lymphoma: a report from the CIBMTR.

ABSTRACT: We compared outcomes of 916 diffuse large B cell lymphoma (DLBCL) patients aged >or=18 years undergoing first autologous (n = 837) or myeloablative (MA) allogeneic hematopoietic cell transplant (HCT) (n = 79) between 1995 and 2003 reported to the Center for International Blood and Marrow Transplant Research (CIBMTR). Median follow-up was 81 months for allogeneic HCT versus 60 months for autologous HCT. Allogeneic HCT recipients were more likely to have high-risk disease features including higher stage, more prior chemotherapy regimens, and resistant disease. Allogeneic HCT was associated with a higher 1 year treatment-related mortality (TRM) (relative risk [RR] 4.88, 95% confidence interval [CI], 3.21-7.40, P < .001), treatment failure (RR 2.06, 95% CI, 1.54-2.75, P < .001), and mortality (RR 2.75, 95% CI, 2.03-3.72, P < .001). Risk of disease progression was similar in the 2 groups (RR 1.12, 95% CI, 0.73-1.72, P = .59). In fact, for 1-year survivors, no significant differences were observed for TRM, progression, progression-free (PFS) or overall survival (OS). Increased risks of TRM and mortality were associated with older age (>50 years), lower performance score, chemoresistance, and earlier year of transplant. In a cohort of mainly high-risk DLBCL patients, upfront MA allogeneic HCT, although associated with increased early mortality, was associated with a similar risk of disease progression compared to lower risk patients receiving autologous HCT.

SUBMITTER: Lazarus HM

PROVIDER: S-EPMC2929576 | biostudies-literature | 2010 Jan

REPOSITORIES: biostudies-literature

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A comparison of HLA-identical sibling allogeneic versus autologous transplantation for diffuse large B cell lymphoma: a report from the CIBMTR.

Lazarus Hillard M HM Zhang Mei-Jie MJ Carreras Jeanette J Hayes-Lattin Brandon M BM Ataergin Asli Selmin AS Bitran Jacob D JD Bolwell Brian J BJ Freytes César O CO Gale Robert Peter RP Goldstein Steven C SC Hale Gregory A GA Inwards David J DJ Klumpp Thomas R TR Marks David I DI Maziarz Richard T RT McCarthy Philip L PL Pavlovsky Santiago S Rizzo J Douglas JD Shea Thomas C TC Schouten Harry C HC Slavin Shimon S Winter Jane N JN van Besien Koen K Vose Julie M JM Hari Parameswaran N PN

Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation 20091004 1

We compared outcomes of 916 diffuse large B cell lymphoma (DLBCL) patients aged >or=18 years undergoing first autologous (n = 837) or myeloablative (MA) allogeneic hematopoietic cell transplant (HCT) (n = 79) between 1995 and 2003 reported to the Center for International Blood and Marrow Transplant Research (CIBMTR). Median follow-up was 81 months for allogeneic HCT versus 60 months for autologous HCT. Allogeneic HCT recipients were more likely to have high-risk disease features including higher ...[more]

PMID: 20053330

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Project description:IMPORTANCE:Myeloablative allogeneic hematopoietic stem cell transplantation (HSCT) is curative for children with severe sickle cell disease, but toxicity may be prohibitive for adults. Nonmyeloablative transplantation has been attempted with degrees of preparative regimen intensity, but graft rejection and graft-vs-host disease remain significant. OBJECTIVE:To determine the efficacy, safety, and outcome on end-organ function with this low-intensity regimen for sickle cell phenotype with or without thalassemia. DESIGN, SETTING, AND PARTICIPANTS:From July 16, 2004, to October 25, 2013, 30 patients aged 16-65 years with severe disease enrolled in this nonmyeloablative transplant study, consisting of alemtuzumab (1 mg/kg in divided doses), total-body irradiation (300 cGy), sirolimus, and infusion of unmanipulated filgrastim mobilized peripheral blood stem cells (5.5-31.7?×?10(6) cells/kg) from human leukocyte antigen-matched siblings. MAIN OUTCOMES AND MEASURES:The primary end point was treatment success at 1 year after the transplant, defined as a full donor-type hemoglobin for patients with sickle cell disease and transfusion independence for patients with thalassemia. The secondary end points were the level of donor leukocyte chimerism; incidence of acute and chronic graft-vs-host disease; and sickle cell-thalassemia disease-free survival, immunologic recovery, and changes in organ function, assessed by annual brain imaging, pulmonary function, echocardiographic image, and laboratory testing. RESULTS:Twenty-nine patients survived a median 3.4 years (range, 1-8.6), with no nonrelapse mortality. One patient died from intracranial bleeding after relapse. As of October 25, 2013, 26 patients (87%) had long-term stable donor engraftment without acute or chronic graft-vs-host disease. The mean donor T-cell level was 48% (95% CI, 34%-62%); the myeloid chimerism levels, 86% (95% CI, 70%-100%). Fifteen engrafted patients discontinued immunosuppression medication with continued stable donor chimerism and no graft-vs-host disease. The normalized hemoglobin and resolution of hemolysis among engrafted patients were accompanied by stabilization in brain imaging, a reduction of echocardiographic estimates of pulmonary pressure, and allowed for phlebotomy to reduce hepatic iron. The mean annual hospitalization rate was 3.23 (95% CI, 1.83-4.63) the year before, 0.63 (95% CI, 0.26-1.01) the first year after, 0.19 (95% CI, 0-0.45) the second year after, and 0.11 (95% CI, 0.04-0.19) the third year after transplant. For patients taking long-term narcotics, the mean use per week was 639 mg (95% CI, 220-1058) of intravenous morphine-equivalent dose the week of their transplants and 140 mg (95% CI, 56-225) 6 months after transplant. There were 38 serious adverse events: pain and related management, infections, abdominal events, and sirolimus related toxic effects. CONCLUSIONS AND RELEVANCE:Among 30 patients with sickle cell phenotype with or without thalassemia who underwent nonmyeloablative allogeneic HSCT, the rate of stable mixed-donor chimerism was high and allowed for complete replacement with circulating donor red blood cells among engrafted participants. Further accrual and follow-up are required to assess longer-term clinical outcomes, adverse events, and transplant tolerance. TRIAL REGISTRATION:clinicaltrials.gov Identifier: NCT00061568.

Dataset Information

A comparison of HLA-identical sibling allogeneic versus autologous transplantation for diffuse large B cell lymphoma: a report from the CIBMTR.

Publications

A comparison of HLA-identical sibling allogeneic versus autologous transplantation for diffuse large B cell lymphoma: a report from the CIBMTR.

Similar Datasets

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