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  • 1
    ISSN: 1432-0584
    Keywords: Acute myelogenous leukemia ; Allogeneic marrow transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between February 1982 and April 1995, 62 patients (37 male, 25 female) with acute myelogenous leukemia (AML) with a median age of 32 years (19–51 years) received allogeneic marrow grafts from an HLA-identical sibling (n=60) or an HLA-mismatched family member (n=2). At the time of transplant, 35 patients were in first complete remission (CR), five in second CR, eight were primary refractory, eight were in untreated relapse and six in refractory relapse. The FAB subtypes were as follows: M1 (n=17), M2 (n=13), M3 (n=6), M4 (n=19), M5 (n=6), M6 (n=1). For conditioning most patients were given total body irradiation combined with cyclophosphamide (CY,n=50) or CY and busulfan (n=9). For graft-versus-host disease prophylaxis patients received cyclosporin A (CSA) and methotrexate (MTX) (n=32), MTX alone (n=12), CSA and methylprednisone (n=5), or CSA alone (n=13). As of April 1995, probability of leukemia-free survival projected at 10 years after BMT was 60% for patients transplanted in first CR compared with 10% for patients transplanted beyond first CR. Transplant-related mortality was 11% after BMT in first CR and 39% after BMT beyond first CR. Probability of relapse projected at 10 years after BMT is 32% for patients who received transplants in first CR and 81% for patients who received transplants beyond first CR. Thus, high-dose chemo/radiotherapy followed by allogeneic marrow infusion has a high curative potential for patients with AML who receive transplants in first CR and offers the chance of long-term disease-free survival for some patients with advanced disease.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0584
    Keywords: Key words Acute myelogenous leukemia ; Allogeneic marrow transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Between February 1982 and April 1995, 62 patients (37 male, 25 female) with acute myelogenous leukemia (AML) with a median age of 32 years (19–51 years) received allogeneic marrow grafts from an HLA-identical sibling (n=60) or an HLA-mismatched family member (n=2). At the time of transplant, 35 patients were in first complete remission (CR), five in second CR, eight were primary refractory, eight were in untreated relapse and six in refractory relapse. The FAB subtypes were as follows: M1 (n=17), M2 (n=13), M3 (n=6), M4 (n=19), M5 (n=6), M6 (n=1). For conditioning most patients were given total body irradiation combined with cyclophosphamide (CY, n=50) or CY and busulfan (n=9). For graft-versus-host disease prophylaxis patients received cyclosporin A (CSA) and methotrexate (MTX) (n=32), MTX alone (n=12), CSA and methylprednisone (n=5), or CSA alone (n=13). As of April 1995, probability of leukemia-free survival projected at 10 years after BMT was 60% for patients transplanted in first CR compared with 10% for patients transplanted beyond first CR. Transplant-related mortality was 11% after BMT in first CR and 39% after BMT beyond first CR. Probability of relapse projected at 10 years after BMT is 32% for patients who received transplants in first CR and 81% for patients who received transplants beyond first CR. Thus, high-dose chemo/radiotherapy followed by allogeneic marrow infusion has a high curative potential for patients with AML who receive transplants in first CR and offers the chance of long-term disease-free survival for some patients with advanced disease.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0584
    Keywords: Key words Acute myeloid leukemia ; FLAG ; Salvage therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Twenty-two patients with refractory or relapsed AML were treated with FLAG [25 mg/m2 fludarabine daily (days 1–5), 2 g/m2 daily Ara-C (days 1–5) and 400 μg/m2 daily G-CSF (day -1 till the absolute neutrophil count was 〉500/μl)]. Median age was 46 years (range 24–63). Eight patients had leukemia which was primarily refractory to conventional regimens, six were in first, seven were in second, and one was in third relapse. Overall, 11 of 22 (50%) patients achieved complete remission (CR), three had a partial response (PR), and seven did not respond (NR). One patient died of an early cerebral hemorrhage. The median remission duration from achievement of CR after FLAG was 9.9 months and median survival was 13.0 months. One patient is alive in CR at 31.9 months. Hematological toxicity of the regimen was severe. The median time to neutrophil recovery (ANC 〉500/μl) was 21 days (range 18–33). A median of seven red cell units (range 0–22) and of six platelet concentrate units (range 3–28) had to be given. Median duration of febrile neutropenia was 2 days (range 0–20 days) and patients were on i.v. antibiotics for a median of 16 days (range 0–51). There was no death from infection. Nonhematological toxicity was remarkably low, with almost no neurotoxicity and no major hepatotoxicity. In conclusion, FLAG seems to be an efficient and well tolerated regimen. It may be particularly useful for patients who have a sibling or unrelated donor for subsequent allogeneic bone marrow transplantation.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0584
    Keywords: Key words Globus pallidus necrosis ; Allogeneic marrow transplantation ; Myelodysplastic syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A 21-year-old Caucasian man received an allogeneic marrow transplant (BMT) from his HLA-identical brother because of myelodysplastic syndrome. He remained red blood cell (RBC) transfusion dependent with persistent antibodies against the donor's RBC. Six months following BMT the patient suddenly developed a severe akinetic syndrome with gait disturbance and frequent falls and bilateral symmetrical lesions in basal ganglia. Concomitantly, micrococcus species septicemia from an infected Hickman catheter developed. Despite antimicrobial therapy and withdrawal of cyclosporin A, neurologic abnormalities persisted and were unresponsive to various therapies. Ischemic damage due to a vascular event during severe infection could be the most probable reason for the lesions seen in our patient, although infectious or toxic complications cannot be ruled out.
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  • 5
    ISSN: 1432-0584
    Keywords: Key words Myeloma ; Donor leukocyte infusion ; Chimerism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A large group of patients relapsing after allogeneic bone marrow transplantation (BMT) have obtained remission after infusion of leukocytes from their original donor, suggesting a graft-versus-myeloma effect. However, side effects such as graft-versus-host disease and myelosuppression are severe, and sometimes fatal, complications of this therapeutic approach. Previously we demonstrated that patients with leukemia who lack donor hematopoiesis in relapse after BMT experience severe and lasting aplasia after infusion of donor leukocytes. In two patients – one with extramedullary and one with marrow relapse after a sex-mismatched transplantation – we analyzed hematopoietic chimerism by cell sorting and bone marrow cultures. CD34-positive cells, CD4-CD8-positive cells, committed progenitors, and LTC-IC were of donor origin, as demonstrated by two-color fluorescence in situ hybridization (FISH). Additionally, in relapse complete donor T-cell chimerism was seen. In contrast, plasma cells were of recipient origin in the patient who had a relapse in the bone marrow. Both patients were treated with infusions of donor leukocytes from their original donor. Neither patient suffered myelosuppression, and one achieved a stable complete remission.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0584
    Keywords: Key words Acute myelogenous leukemia ; Stem-cell transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Between February 1982 and 1999, 118 consecutive patients (65 male, 53 female) with acute myelogenous leukemia (AML), with a median age of 35 years (range 17–56 years), received stem-cell grafts from a human leukocyte antigen-identical sibling (n=71), one-antigen-mismatched family member (n=2), matched unrelated donor (n=15), one-antigen-mismatched unrelated donor (n=4) or an autologous (n=26) graft. At the time of transplant, 56 patients were in the first complete remission (CR), 27 in the second CR, 6 in untreated relapse, 17 in primary refractory, and 12 in refractory relapse. The French-American-British classification (FAB) subtypes were as follows: M1 (n=25), M2 (n=28), M3 (n=11), M4 (n=32), M5 (n=16), M6 (n=6). For conditioning, most patients underwent total body irradiation-containing regimens. As of 28 February, 1999, probability of leukemia-free survival (LFS) is 58% for patients after related and 45% after unrelated stem-cell transplantation (SCT). The probability of LFS is 70% for patients given allogeneic transplants in the first CR compared with 33% for those beyond the first CR at SCT. In autologous stem-cell graft recipients, the probability of LFS is 37%. Transplant-related mortality was 28% after related, 20% after unrelated, and 4% after autologous SCT. Probability of relapse for patients given related-donor stem-cell grafts in the first CR and beyond the first CR is 30% and 67%, 55% after unrelated and 63% after autologous stem-cell grafting. Thus, myeloablative therapy followed by allogeneic stem-cell infusion has a high curative potential for patients with AML in remission and offers substantial benefits to patients in advanced disease.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0584
    Keywords: Key words Chronic myeloid leukemia ; Graft-versus-host disease ; Transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Allogeneic bone marrow transplantation is the only curative treatment for patients with Philadelphia chromosome-positive chronic myeloid leukemia (CML); however, recurrence of disease remains a major cause of treatment failure. A 26-year-old man with chronic myeloid leukemia who had a cytogenetic relapse 49 months after his first syngeneic bone marrow transplant (BMT) and hematologic relapse 23 months thereafter progressed to blast crisis despite treatment with IFN-alpha for 15 months. He underwent a second transplantation in early second blast crisis, 92 months after the first BMT with PBPC from his previous donor. Successful hematological reconstitution occurred. On day 50 after the second transplantation the patient developed a generalized rash, hepatomegaly, and cholestatic signs. Skin and liver biopsy revealed changes compatible with acute graft-versus-host disease (GVHD). Treatment with cyclosporin A (CSA) and prednisone was started, and the GVHD resolved. Fifteen months after PBPC transplantation he had a molecular relapse. Despite discontinuation of CSA, the patient progressed into blast crisis 7 months later. The occurrence of GVHD and disappearance of the BCR-ABL-positive clone suggest that a graft-versus-leukemia (GVL) effect may have been operative for 15 months in a patient given a second syngeneic BMT in blast crisis.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0584
    Keywords: Key words Related and unrelated donor BMT ; CML ; Long-term follow-up
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Between January 1983 and December 1997, 88 patients (36 female, 52 male, median age 37 years, range 19–57) with chronic myelogenous leukemia (CML) underwent allogeneic bone marrow transplantation (BMT) at the University Hospital of Vienna. Sixty patients were in chronic phase, 18 in accelerated phase, and ten in blast crisis. Marrow donors were HLA-identical siblings for 64 patients (BM 58, PBSC 6), 2-antigen-mismatched related donors (RD) for two, HLA-identical unrelated donors (URD) for 17, and 1-antigen-mismatched URD for five. The median time from diagnosis to BMT was 22 months (range 2–91), and 63 patients had received prior interferon (IFN)-alpha therapy, 46 (73%) for more than 6 months. Conditioning therapy consisted of cyclophosphamide (CY) and total body irradiation (TBI) in 71 patients and CY and busulfan (BU) in 16. One patient received etoposide and TBI. For graft-versus-host disease (GVHD) prophylaxis methotrexate (MTX) was given to 12 patients, MTX and cyclosporin A (CSA) to 67, CSA alone to four, and CSA and methylprednisolone to five. Durable engraftment was documented in 80 of 82 patients (98%). As of December 31, 1997, 52 patients (59%) were alive, 38 (58%) after sibling transplantation with a median observation time of 73 months and 14 (64%) after URD transplantation with a median observation time of 12 months. Probability of overall survival is 59%, for patients undergoing transplantation in chronic phase and 44% for patients undergoing transplantation in advanced stage CML. Probability of disease-free survival (DFS) after sibling and URD BMT is 55% and 59%, respectively. Ten patients (12%) experienced relapse of CML. Transplant-related mortality was 32% both after RD and after URD transplantation. Acute GVHD occurred in 53 of 80 evaluable patients (66%), consisting of grade III or IV in 14 patients (18%). Chronic GVHD developed in 40 of 63 eligible patients (63%), including extensive disease in 26 patients (41%). Thus, sibling and URD BMT offer high cure rates with acceptable toxicity to patients with CML.
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  • 9
    ISSN: 1432-0584
    Keywords: Interleukin-3 ; Stem-cell factor ; Granulocyte ; macrophage colony-stimulating factor ; Bone marrow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0584
    Keywords: Key words Relapse ; AML ; BMT ; Chromosome 3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Structural rearrangements of the long arm of chromosome 3 involving bands 3q21 and 3q26 and leading either to a paracentric inversion inv (3)(q21q26) or a translocation between both homologous chromosomes – t (3;3)(q21q26) – have been reported in patients with acute myelogenous leukemia (AML), myelodysplastic syndromes, myeloproliferative disorders, and chronic myelogenous leukemia in blast crisis. We describe three patients with de novo AML with these structural abnormalities who received multiple courses of conventional chemotherapy followed by unrelated donor (n=2) and autologous (n=1) bone marrow transplantation (BMT). All three patients had early relapse: patients 1 and 2 had relapse 69 days and 306 days after BMT, respectively, and patient 3 immediately after autologous BMT. Despite further chemotherapy, they died without achieving another remission. These findings, together with other recorded similar cases, show that AML with structural abnormalities of the long arm of chromosome 3 as described has an extremely poor prognosis even with the most potent anti-leukemic treatment modalities.
    Type of Medium: Electronic Resource
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