Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation
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Biol. Blood Marrow Transplant. · Jul 2011
Comparative StudyComparison of outcomes after transplantation of G-CSF-stimulated bone marrow grafts versus bone marrow or peripheral blood grafts from HLA-matched sibling donors for patients with severe aplastic anemia.
We compared outcomes of patients with severe aplastic anemia (SAA) who received granulocyte-colony stimulating factor (G-CSF)-stimulated bone marrow (G-BM) (n = 78), unstimulated bone marrow (BM) (n = 547), or peripheral blood progenitor cells (PBPC) (n = 134) from an HLA-matched sibling. Transplantations occurred in 1997 to 2003. Rates of neutrophil and platelet recovery were not different among the 3 treatment groups. ⋯ Mortality risks were lower after transplantation of BM compared to G-BM (RR = 0.63, P = .05). These data suggest no advantage to using G-BM and the observed higher rates of aGVHD and cGVHD in PBPC recipients warrants cautious use of this graft source for SAA. Taken together, BM is the preferred graft for HLA-matched sibling transplants for SAA.
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Biol. Blood Marrow Transplant. · Jul 2011
Comparative Study Clinical TrialReduced-intensity conditioning followed by related allografts in hematologic malignancies: long-term outcomes most successful in indolent and aggressive non-Hodgkin lymphomas.
Reduced-intensity conditioning (RIC) extends the curative potential of allogeneic hematopoietic cell transplantation (HCT) to patients with hematologic malignancies unable to withstand myeloablative conditioning. We prospectively analyzed the outcomes of 123 patients (median age, 57 years; range, 23-70 years) with hematologic malignancies treated with a uniform RIC regimen of cyclophosphamide, fludarabine, and total-body irradiation (200 cGy) with or without antithymocyte globulin followed by related donor allogeneic HCT at the University of Minnesota between 2002 and 2008. The cohort included 45 patients with acute myelogenous leukemia (AML) or myelodysplastic syndrome (MDS), 27 with aggressive non-Hodgkin lymphoma (NHL), 8 with indolent NHL, 10 with Hodgkin lymphoma (HL), 10 with myeloma, and 23 with acute lymphocytic leukemia, chronic myelogenous leukemia, other leukemias, or myeloproliferative disorders. ⋯ Multivariate analysis revealed superior overall survival and progression-free survival in patients with both indolent and aggressive NHL compared with those with AML/MDS, HL, or myeloma. Worse 1-year treatment-related mortality was observed in patients with a Hematopoietic Cell Transplantation Comorbidity Index score ≥ 3 and in cytomegalovirus-seropositive recipients. These results suggest that (1) RIC conditioning was well tolerated by an older, heavily pretreated population; (2) patients with indolent and aggressive NHL respond well to RIC conditioning, highlighting the importance of the graft-versus-lymphoma effect; and (3) additional peri-transplantation manipulations are needed to improve outcomes for patients with AML/MDS or myeloma receiving RIC conditioning before HCT.
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Biol. Blood Marrow Transplant. · Jul 2011
Clinical TrialMultiple myeloma in serologic complete remission after autologous stem cell transplantation: impact of bone marrow plasma cell assessment by conventional morphology on disease progression.
The current definition of complete remission (CR) in multiple myeloma (MM) requires a negative serum and urine immunofixation (IFE) and <5% bone marrow plasma cells (BMPCs). The aim of this study was to determine the value of BMPCs count by standard microscopic evaluation in patients with MM in serologic CR after autologous stem cell transplantation (ASCT). ⋯ Patients with >1.5% BMPCs (median: 0.8%) after ASCT had an increased risk of progression (P = .016) and a trend toward a shorter survival (P = .195). In conclusion, conventional morphology of bone marrow is a useful and rapid tool as a first step to assess the residual tumor mass in patients with MM in CR after ASCT, and it constitutes a strong predictor for disease progression.
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Biol. Blood Marrow Transplant. · Jul 2011
Acute gastrointestinal graft-versus-host disease in pediatric patients: serum albumin on day 5 from initiation of therapy correlates with nonrelapse mortality and overall survival.
The aim of the present study was to identify factors associated with the risk of development of gastrointestinal acute graft-versus-host disease (GI-aGVHD), as well as to evaluate the impact of various baseline parameters on response to treatment, nonrelapse mortality (NRM), and overall survival (OS) in pediatric patients with GI-aGVHD after allogeneic hematopoietic stem cell transplantation (allo-SCT). We retrospectively analyzed 300 pediatric patients who underwent allo-SCT from HLA-matched related or volunteer unrelated donors in our institution. GI tract involvement was observed in 46 out of 133 patients with aGVHD grade II-IV. ⋯ Using Cox regression analysis, we observed that serum albumin level ≥ 3 mg/dL on day 5 after the initiation of therapy with steroids was statistically significantly associated with decreased hazard of NRM and improved OS (P = .021 and P = .026, respectively). In our study, serum albumin level, early (+ day 5) after the onset of steroids in patients with GI-aGVHD, was a predictor of treatment outcome. Prospective randomized trials need to be performed to verify the predictive significance of serum albumin and the need for early intensification of immunosuppressive treatment.
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Biol. Blood Marrow Transplant. · Jul 2011
Randomized Controlled Trial Multicenter Study Comparative StudyAutologous versus reduced-intensity allogeneic hematopoietic cell transplantation for patients with chemosensitive follicular non-Hodgkin lymphoma beyond first complete response or first partial response.
Patients with follicular lymphoma (FL) typically experience an indolent course; however, the disease is rarely curable with conventional chemotherapy. Autologous hematopoietic cell transplantation (HCT) can extend progression-free survival (PFS) and overall survival (OS), but relapse is the primary cause of failure. Allogeneic HCT confers lower relapse rates due to a graft-versus-lymphoma effect. ⋯ Three autologous recipients died from nonrelapse causes. This trial closed early because of slow accrual. We show that the FCR regimen is well tolerated, and that both allogeneic and autologous HCT result in promising 3-year OS and PFS in patients with relapsed FL.