Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.1.1.69 (BMT)
 2,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 5-year-old boy with severe aplastic anemia failed to respond to cyclosporine (CYA), prednisolone and antilymphocyte globulin (ALG). No suitable sibling marrow donor was available, but an HLA-matched unrelated donor was identified. The patient was conditioned with cyclophosphamide (CY), 50 mg/kg/day for 4 days, total nodal irradiation (8 Gy), and ALG 30 mg/kg/day for 3 days. GVHD prophylaxis consisted of daily CYA, methotrexate (MTX) and ALG. The patient failed to achieve sustained engraftment. He was reconditioned with high-dose prednisolone and anti-T lymphocyte monoclonal antibody OKT3. The boy was reinfused with the same donor marrow on day 0 (+49/first BMT). No GVHD prophylaxis was given the second time. He received G-CSF on days 0 to +20 after the second transplant. Full engraftment was achieved on day +16 (+65). However, on day +31 (80) he developed a biopsy-proven B cell lymphoproliferative disorder (BLPD). After the OKT3 administration was stopped and treatment with ganciclovir and high-dose immunoglobulin was initiated, the BLPD resolved and the patient was discharged on day +50 (99). He is currently well with a functioning graft 266 (305) days posttransplant, with no sign of GVHD.
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PMID:Remission of a lymphoproliferative disorder occurring after second BMT from an unrelated donor in a 5-year-old boy with severe aplastic anemia. 853 24

Among 290 BMT procedures: 74 AML, 78 ALL, 34 CML, 6 SAA, 3 MDS, 42 HD, 35 NHL, 11 MM, and 7 solid tumours (breast or testis cancer) Allogeneic BMT was performed in 76 patients and ABMT/APBCT in 214 patients. Survival, DFS and relapse curves were calculated using the Kaplan-Meier product limit method. Variables potentially affecting survival and DFS were assessed in a multivariate analysis by the Cox proportional hazard model in a stepwise regression. The promising results were obtained in high risk adult ALL in the first CR. DFS in CR1 patients transplanted after full dose induction and high dose consolidation was significantly longer if compared to those who received dose/time reduced or postponed treatment. For CR> or =2 patients and with CNS involvement at diagnosis ABMT offers a salvage therapy that needs further improvement. In relapsed and refractory HD better results are obtained in patients relapsing > 1 year after first CR and in patients with entirely nodal localisation of this relapse. In NHL bone marrow and spleen infiltration at diagnosis appear to be an unfavourable prognostic factor.
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PMID:Allogeneic and autologous bone marrow transplantation in single centre experience. 991 50

Ten patients with acute leukemia (AL) in early relapse after allo-BMT were treated with a modified MEC (mitoxantrone, etoposide and Ara-C) regimen followed by donor PBPC collected after mobilization with G-CSF. Seven patients achieved CR or had normal hemopoietic reconstitution: two had an early relapse at days +53 and +48, two patients died from acute GVHD at days +31 and +96, one died of interstitial pneumonia at day +55, and two patients experienced long-term survival. One patient with refractory disease and nodal involvement who did not respond to the first BMT had overt expansion of the leukemia at day +36; one patient with Ph+ ALL and one with ANLL evolving from MDS, both with skin involvement, had blast cells in peripheral blood at day +27 and +26, respectively. Transient cytopenia occurred in all patients; a normal granulocyte and platelet count was achieved within 3 weeks in all patients but one; acute GVHD occurred in six patients, and four had chronic GVHD. This approach is feasible in patients in early relapse after allo-BMT. It assists prompt re-establishment of normal donor hematopoiesis avoiding the prolonged cytopenia observed after donor lymphocyte infusion in AL patients relapsed after allo-BMT.
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PMID:Chemotherapy and donor peripheral blood progenitor cells for acute leukemia in early relapse after allogeneic bone marrow transplantation. 1021 92