Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:2.1.1.69 (BMT)
2,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 34-year-old patient was transplanted from an HLA-identical sister for high grade non-Hodgkin's lymphoma in first complete remission. One month post-transplant, he developed hepatitis and haemorrhagic cystitis. He died 2 months post-transplant from fulminant hepatic failure. Adenovirus type 5 was cultured from urine, and characteristic adenovirus inclusions were seen in the liver. Striking paracrystalline arrays of adenoviruses were seen in the liver on electron microscopy. Reactivation of adenovirus infection is increasingly recognized post-BMT, but this complication of type 5 infection is unusual, and we describe in detail this second reported case.
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PMID:Fulminant hepatic necrosis caused by adenovirus type 5 following bone marrow transplantation. 216 93

A prospective randomised study was carried out to compare the effect of mesna (2-mercaptoethane sulphonate sodium) with that of forced diuresis in preventing cyclophosphamide induced haemorrhagic cystitis in marrow transplant recipients. Sixty-one consecutive BMT recipients were randomised for treatment with forced diuresis or mesna. The incidence of macroscopic haematuria was significantly lower in the mesna treated group (chi 2 = 4.03, P less than 0.05). No specific side effects of mesna were detected. The lymphopenia induced by cyclophosphamide in the aplastic recipients was similar in the mesna and forced diuresis groups suggesting that mesna has no effect on the lymphocytotoxic activity of cyclophosphamide, although 6 out of 7 episodes of graft failure documented in the study occurred in mesna treated patients. As a result of this study our present policy is to use mesna in all BMT recipients but to continue careful documentation of the incidence of graft failure.
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PMID:Comparison of mesna with forced diuresis to prevent cyclophosphamide induced haemorrhagic cystitis in marrow transplantation: a prospective randomised study. 643 30

Seventy-three BMT procedures (42 allogeneic-BMT, 30 autologous-BMT, 1 syngeneic transplant) were undertaken at the Shariati Hospital in Tehran between March 1991 and November 1993. Allogeneic-BMT was performed for thalassaemia major (n = 23), AML in complete remission (n = 3), severe aplastic anaemia (n = 7), CML (n = 7), dyskeratosis congenita (n = 2) and Fanconi anaemia (n = 1). Conditioning regimens comprised busulphan (BU) plus cyclophosphamide (CY) or CY only. Thirty-two (78%) of the 43 patients remain alive 1-34 months after BMT. Twelve patients died: the causes of death were haemorrhagic cystitis (n = 1), CMV pneumonitis (n = 1), GVHD (n = 3), infection (n = 3), rejection (n = 1), VOD (n = 2) and hepatitis (n = 1). Autologous-BMT was performed for patients with AML in CR (n = 16), ALL in CR (n = 9), lymphoma in relapse (n = 3), Ewing sarcoma (n = 1) and multiple myeloma (n = 1). The median age was 18 years. Conditioning regimens were Ara C plus CY, etoposide plus CY and high-dose melphalan. Sixteen (54%) of the 30 patients survive, 14 in continuous complete remission. The causes of death were relapse (AML (n = 7), ALL (n = 4), lymphoma (n = 1)), VOD (n = 1) and infection (n = 1).
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PMID:Bone marrow transplantation in Iran. 792 Mar 8

Twenty-four patients with a variety of malignant diseases (13 lymphoma, 4 myeloma, 1 ALL, 6 solid tumours) were treated with the alkylating agents busulphan and melphalan as a preparative regimen for autologous BMT. Thirteen males and 11 females, aged 27-53 years (median 39.5 years) received oral busulphan 1 mg/kg q6 h on days -6 to -3, followed by i.v. melphalan 140 mg/m2 on day -2 and infusion of cryopreserved haemopoietic cells on day 0. The major toxicity seen was gastrointestinal with nausea, vomiting and diarrhoea in 17 patients and severe mucositis in 22. There was no evidence of cardiotoxicity, nephrotoxicity, haemorrhagic cystitis or clinical signs of hepatic veno-occlusive disease. Twenty-three patients engrafted with the median duration of neutropenia (< 0.05 x 10(9)/l) 10 days (range 5-63 days) and thrombocytopenia (< 50 x 10(9)/l) 43 days (range 5-350 days). Three patients died of transplant-related complications. Of 15 evaluable patients with active disease at BMT, 9 responded and 6 were refractory. Sixteen evaluable patients were in CR after BMT. Seven relapsed, 1 died in remission and 8 remain in CR 12-46 months (median 29 months) later. Of the group of 13 lymphomas, overall and relapse-free actuarial survival at 36 months was 64% and 58%, respectively, while for the entire group of 24 patients these values were 39% and 34%. Busulphan and melphalan is a safe and inexpensive conditioning regimen for autologous BMT with acceptable toxicity and substantial antitumour activity particularly against lymphomas.
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PMID:Busulphan and melphalan prior to autologous bone marrow transplantation. 827 31

The role of ultrasonographic examination of the bladder has been retrospectively evaluated in 12 patients with hemorrhagic cystitis occurring after BMT. Three sonographic patterns of bladder abnormalities have been observed: type 1, circumscribed thickening of the wall protruding into the lumen (4 patients); type 2, diffuse thickening of the wall (3 patients); type 3, intraluminal lobulated bulky mass reducing the capacity (5 patients). Sonographic follow-up showed a progressive trend of bladder abnormalities: type 3 lesions were always preceded by type 1 or type 2 abnormalities. In 10 of 12 patients the cystoscopic findings proved the correlation between the sonographic aspects and the progressive stages of bladder wall damage. Patients were treated initially by hyperhydration and blood products transfusions in order to stop hematuria. The median duration of bleeding was significantly longer (p < 0.01) in patients showing type 3 lesions (90 days) than in the combined groups with types 1 or 2 lesions (14 days). All 5 patients with type 3 abnormalities failed treatment and required endoscopic removal of clots; hemorrhagic cystitis was the major cause of death in 3 patients in this group. Ultrasonography may therefore be considered an accurate investigation for assessing the extent of bladder damage and monitoring the effectiveness of treatment for this complication.
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PMID:Role of ultrasonography in the diagnosis and follow-up of hemorrhagic cystitis after bone marrow transplantation. 829 57

It has been reported that serum levels of thrombomodulin (TM) reflect endothelial damages in various diseases. We measured serum TM levels between day-10 and day 100 in 6 patients receiving allogeneic bone marrow transplantation. Serum TM levels were increased when patients had transplant related complications including graft versus host disease, hemorrhagic cystitis and interstitial pneumonitis. In patient without complications, serum TM levels were within normal limits. These results suggest that the serum TM level serves as a useful marker of treatment related toxicity and a predictor of complications after BMT.
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PMID:[Serum thrombomodulin levels in patients receiving allogeneic bone marrow transplantation]. 839 83

We retrospectively compared the outcome in patients in the EBMT database transplanted for acute leukaemia from January 1987 to January 1994 who received busulphan and cyclophosphamide (BU/CY) as a pretransplant regimen versus those who received cyclophosphamide and total-body irradiation (CY/TBI). The patients were matched for type of transplant (autologous bone marrow transplantation (ABMT) versus allogeneic (BMT)), diagnosis (acute lymphoblastic leukaemia (ALL) or acute myeloid leukaemia (AML)), status (early (first complete remission, CR-1) versus intermediate (second or later remission, first relapse)), age, FAB classification for AML, prevention of graft-versus-host disease and year of transplantation. In ABMT recipients (matched paired 530 x 2) with ALL CR-1, AML CR-1 and AML intermediate disease, transplant-related mortalities (TRM) relapse incidence (RI) and leukaemia-free survival (LFS) did not differ significantly in patients treated with BU/CY or CY/TBI. However, in ABMT recipients with ALL intermediate disease, the probability of relapse was 82 +/- 5% (+/- 95% confidence interval) in the BU/CY group compared to 62 +/- 6% in the CY/TBI group (P = 0.002) and the 2-year leukaemia-free survival 14 +/- 4% and 34 +/- 6%, respectively (P = 0.002). In BMT recipients of bone marrow from HLA-identical siblings (matched paired 391 x 2), the TRM, RI and LFS did not differ significantly between the two treatments in all groups. In particular, the 2-year LFS in patients with AML CR-1 was 64 +/- 3% in those treated with BU/CY (n = 237) compared to 66 +/- 3% in those given CY/TBI (n = 237). In all groups the findings were confirmed in a multivariate analysis of prognostic factors. Veno-occlusive disease (VOD) of the liver (P < 0.05) and haemorrhagic cystitis (P < 0.001) was more common in the BU/CY group compared to the CY/TBI group for ABMT and BMT patients. In conclusion, BU/CY and CY/TBI as pretransplant regimens gave similar results in all situations, except ABMT for ALL intermediate stages with more than 2 years from diagnosis to transplantation, where a lower RI and a higher LFS were associated with CY/TBI.
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PMID:A comparison of busulphan versus total body irradiation combined with cyclophosphamide as conditioning for autograft or allograft bone marrow transplantation in patients with acute leukaemia. Acute Leukaemia Working Party of the European Group for Blood and Marrow Transplantation (EBMT). 865 85

In BMT patients, shedding of BK virus (BKV) in the urine has been strongly but not absolutely correlated to hemorrhagic cystitis (HC). The possible presence of human polyomaviruses in peripheral blood leukocytes (PBLs), plasma, serum and urine in BMT patients and an association with HC was investigated by a nested PCR assay. Samples from allogeneic BMT patients with and without HC as well as from autologous BMT patients were analyzed. Human polyomaviruses were detected in urine and blood samples of both allogeneic and autologous BMT patients with and without HC. An association between the presence of a specific human polyomavirus in blood and HC was thus not observed.
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PMID:Presence of human polyomavirus DNA in the peripheral circulation of bone marrow transplant patients with and without hemorrhagic cystitis. 872 57

Fifteen allogeneic BMT patients in a phase II study were given foscarnet 60 mg/kg twice daily for 14 days as pre-emptive therapy against CMV disease. CMV infection was diagnosed by a leukocyte-based nested PCR. All 15 patients were evaluable for toxicity. One patient did not fulfill the inclusion criteria of two consecutively positive CMV PCR tests and therefore was not evaluable for efficacy. Thus, 14 of 15 patients were evaluable for development of CMV disease. None of the patients developed CMV disease and all 14 assessable patients had a negative CMV isolation at the end of therapy. None of the 15 patients had to discontinue therapy due to toxicity. Six patients reported mild gastrointestinal disturbances, three patients headaches, and three patients mild urethritis or hemorrhagic cystitis. Serum-electrolyte disturbances were common including abnormal magnesium, potassium and calcium levels. Two patients developed mild serum-creatinine increases requiring adjustment of the foscarnet dosage according to protocol. We conclude that a dosage of foscarnet of 60 mg/kg given twice daily seems to be safe and effective in preventing CMV disease in allogeneic BMT recipients. A study comparing foscarnet and ganciclovir is indicated.
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PMID:Foscarnet for pre-emptive therapy of CMV infection detected by a leukocyte-based nested PCR in allogeneic bone marrow transplant patients. 887 18

A radiation-free, non-myeloablative, myelosuppressive protocol, containing dibromomannitol and cytosine arabinoside, that remarkably reduced the frequency of transplant-related complications, such as veno-occlusive liver disease (VOLD), severe mucositis, bacterial sepsis, hemorrhagic cystitis, interstitial pneumonitis, has been applied in 19 CML patients, allotransplanted from identical siblings. Five patients were in accelerated phase. Acute GVHD developed in two patients and chronic GVHD occurred in 66% of patients. Follow-up was 3 to 7 1/2 years. Although only eight patients were under 30 years of age, and only two patients had a history of less than 1 year, the leukemia-free survival was 82%. There were four hematological relapses. The reduction in post-BMT complications has greatly enhanced quality of life. The nurses reported significant reduction of work-load. Savings in eliminating the need for irradiation, parenteral nutrition, and several antibiotics are also remarkable. The remarkable reduction of certain transplant-related complications shows some advantage against busulphan-preconditioning.
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PMID:Reduction in the frequency of transplant-related complications in patients with chronic myeloid leukemia undergoing BMT preconditioned with a new, non-myeloablative drug combination. 960 96


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