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排序方式: 共有60条查询结果,搜索用时 15 毫秒
1.
Joseph H Chewning Hugo Castro-Malaspina Ann Jakubowski Nancy A Kernan Esperanza B Papadopoulos Trudy N Small Glenn Heller Katharine C Hsu Miguel A Perales Marcel R M van den Brink James W Young Susan E Prockop Nancy H Collins Richard J O'Reilly Farid Boulad 《Biology of blood and marrow transplantation》2007,13(11):1313-1323
Graft failure is associated with a high mortality rate. To date, regimens invoked for second transplants have resulted in inconsistent engraftment with high transplant-related mortality (TRM). We here report 16 consecutive patients, aged 4-59 years, who received second HSCT (HSCT-2) at a median of 45 days following primary or secondary failure of an initial unmodified (N = 3) or T cell-depleted (TCD) (N = 13) HSCT (HSCT-1). HSCT-1 was administered after myeloablative total body irradiation (TBI)- or alkylator-based conditioning for acute leukemias (N = 7), MDS (N = 6), CML (N = 2), and Fanconi anemia (N = 1). All patients experienced 1 or more infectious complications between HSCT-1 and HSCT-2, and 10 patients had active infections at the time of HSCT-2. Cytoreduction regimens used for HSCT-2 included fludarabine (Flu) in combination with cyclophosphamide (CTX) (N = 9), or thiotepa (Thio) (N = 5). In addition, 1 patient received Flu alone and 1 patient Thio combined with CTX. Antithymocyte globulin (ATG) (N = 11) or Alemtuzumab (N = 3) was added pretransplant to prevent rejection. For HSCT-2, donors included HLA-matched (N = 3) or mismatched (N = 8) related, or matched (N = 2) or mismatched (N = 3) unrelated donors. The primary graft donor was used in 6 of 16 cases. The grafts administered were unmodified peripheral blood stem cell transplantation (PBSCT) (N = 5) or bone marrow transplantation (BMT) (N = 3), TCD PBSCT (N = 8). All patients achieved engraftment at a median of 12 days and evaluable patients achieved complete donor chimerism. Six patients are alive with a median follow-up of 49 months, including 4/9 conditioned with Flu/CTX. In this series, outcome was statistically superior for younger patients (相似文献
2.
Chaudhury S Auerbach AD Kernan NA Small TN Prockop SE Scaradavou A Heller G Wolden S O'Reilly RJ Boulad F 《British journal of haematology》2008,140(6):644-655
Eighteen consecutive patients aged 5·5–24 years with Fanconi anaemia and diagnoses of aplastic anaemia ( n = 8), myelodysplastic syndrome ( n = 4), acute myeloid leukaemia ( n = 6), received allogeneic haematopoietic stem cell transplants from alternative donors. All patients had been transfused, 13 had previously been treated with androgens and 14 had a history of infection. Donors were related human leucocyte antigen (HLA) mismatched for eight patients, unrelated HLA mismatched for seven patients and unrelated HLA matched for three patients. Cytoreduction included single dose total body irradiation (450 cGy), fludarabine (150 mg/m2 ) and cyclophosphamide (40 mg/kg). Immunosuppression included antithymocyte globulin and tacrolimus. Grafts were granulocyte colony-stimulating factor-mobilized, CD34+ T-cell-depleted peripheral blood stem cells in 15 patients and T-cell-depleted marrows in three. All 18 patients engrafted with 100% donor chimaerism; only one patient developed graft-versus-host disease (GVHD). With a median follow-up of 4·2 years, 13/18 patients were alive, 12 of these were disease-free. Five-year overall survival and disease-free survival were 72·2% and 66·6% respectively. Immune reconstitution was achieved at approximately 6 months post-transplant for most patients. These are encouraging results of T-cell-depleted transplants from alternative donors using fludarabine-based cytoreduction in 18 high-risk patients with Fanconi anaemia, with no evidence of rejection and minimal GVHD. 相似文献
3.
Papadopoulos Esperanza B.; Carabasi Matthew H.; Castro-Malaspina Hugo; Childs Barrett H.; Mackinnon Stephen; Boulad Farid; Gillio Alfred P.; Kernan Nancy A.; Small Trudy N.; Szabolcs Paul; Taylor Joanne; Yahalom Joachim; Collins Nancy H.; Bleau Sharon A.; Black Patricia M.; Heller Glenn; Reilly Richard J.O'; Young James W. 《Blood》1998,91(3):1083-1090
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Antunes NL Boulad F Prasad V Rosenblum M Lis E Souweidane M 《Bone marrow transplantation》2000,26(8):917-919
Epilepsia partialis continua (EPC) is a condition defined by prolonged focal myoclonus. Often resistant to therapy, EPC in children is frequently present in Rasmussen encephalitis, a form of chronic encephalitis of uncertain etiology. We discuss a child who developed bilateral EPC 5 months after a bone marrow transplant. Neuroimaging studies showed signal abnormalities on both sensory-motor areas. An extensive search failed to reveal the etiology of the disorder, but treatment with a broad-spectrum anti-viral agent was associated with resolution of the process. An unidentified infectious agent may be responsible for an encephalitis of the motor strip in immunosuppressed patients. 相似文献
7.
Small TN Casson A Malak SF Boulad F Kiehn TE Stiles J Ushay HM Sepkowitz KA 《Bone marrow transplantation》2002,29(4):321-327
Respiratory syncytial virus, one of the most common causes of respiratory infections in immunocompetent individuals, is frequently spread to recipients of HSCT by family members, other patients, and health care workers. In immunosuppressed individuals, progression from upper respiratory tract disease to pneumonia is common, and usually fatal if left untreated. We performed a retrospective analysis of RSV infections in recipients of autologous or allogeneic transplants. The incidence of RSV following allogeneic or autologous HSCT was 5.7% and 1.5%, respectively. Of the 58 patients with an RSV infection, 16 of 21 patients identified within the first post-transplant month, developed pneumonia. Seventy-two percent of patients received aerosolized ribavirin and/or RSV-IGIV, including 23 of 25 patients diagnosed with RSV pneumonia. In this aggressively treated patient population, three patients died of RSV disease, each following an unrelated HSCT. 相似文献
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9.
Rini C Manne S DuHamel KN Austin J Ostroff J Boulad F Parsons SK Martini R Williams S Mee L Sexson S Redd WH 《Journal of traumatic stress》2004,17(4):325-333
This longitudinal study examined the relation between life stress and basic beliefs about self-worth and the benevolence and meaningfulness of the world among mothers of children undergoing bone marrow transplantation (BMT). One hundred mothers completed study measures during the child's hospitalization for BMT and 1 year later. Prior trauma and recent negative events were associated with basic beliefs during hospitalization and also with changes in basic beliefs in the subsequent year, with distress mediating some of these relations. Findings also demonstrated relations between basic beliefs and physical and mental functioning. However, each basic belief exhibited different relations with study variables, suggesting the need to investigate them separately. 相似文献
10.
F Boulad P Steinherz B Reyes G Heller A P Gillio T N Small J A Brochstein N A Kernan R J O'Reilly 《Journal of clinical oncology》1999,17(1):197-207
PURPOSE: A retrospective analysis of the treatment of childhood acute lymphoblastic leukemia (ALL) in second remission (CR2) was undertaken at our institution to compare the outcome and prognostic factors of patients treated with chemotherapy or allogeneic bone marrow transplantation (BMT). PATIENTS AND METHODS: Seventy-five children who suffered a medullary relapse and achieved a second remission were treated with either an unmodified allogeneic HLA-matched sibling BMT after hyperfractionated total body irradiation (TBI) and cyclophosphamide (n = 38) or chemotherapy according to institutional chemotherapy protocols (n = 37). To avoid the bias of survival from the attainment of second remission in favor of BMT, the final comparative statistical analysis used the landmark approach and comprised 37 and 29 patients from the BMT and chemotherapy groups, respectively RESULTS: The disease-free survival (DFS) rate was 62% and 26% at 5 years, respectively, for the BMT and the chemotherapy groups (P = .03), with relapse rates of 19% and 67%, respectively, for these two groups (P = .01). There was an overall advantage for the BMT therapeutic approach, as compared with chemotherapy, for patients with ALL in CR2 (1) for patients with a WBC count (at diagnosis) of 20 x 10(9)/L or higher (DFS, 40% v 0%) and those with a WBC count of less than 20 x 10(9)/L (DFS, 73% v35%), (2) for patients whose duration of CR1 was less than 24 months (DFS 48% v 9%) and for patients whose duration of CR1 was 24 months or longer (DFS, 81% v 37%) and (3) for patients who were initially treated with intensive regimens incorporating more than five chemotherapy agents (DFS, 57% v 20%) and for patients treated with five agents or fewer (DFS, 72% v 32%). CONCLUSION: In our single-institution series, unmodified HLA-matched allogeneic sibling transplants using hyperfractionated TBI and cyclophosphamide for patients with ALL in CR2 have resulted in superior outcome with a significantly improved probability of DFS and a lower relapse rate, as compared with those for patients treated with chemotherapy, regardless of the duration of first remission, the disease characteristics at diagnosis, or the intensity of prior treatment during first remission. 相似文献