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Low incidence of acute graft-versus-host disease and recurrent leukaemia in patients undergoing allogeneic haemopoietic stem cell transplantation from sibling donors with methotrexate and dose-monitored cyclosporin A prophylaxis.

Abstract：

:One of the major aims of allogeneic haemopoietic stem cell transplantation has been the effective suppression of graft-versus-host disease (GVHD) without loss of a graft-versus-leukaemia effect. For GVHD suppression, one of the most frequently used regimens has been the combination of cyclosporin (CsA) and a short course of methotrexate (MTX) although the optimal usage of these agents remains unclear. Here, we report the results of 55 patients with standard risk leukaemia who have undergone allogeneic transplantation using either bone marrow (n = 48) or G-CSF mobilised peripheral blood stem cells (n = 7) using CsA and MTX for GVHD prophylaxis where the dosage of CsA was regularly adjusted to maintain a trough whole blood level of 95-205 ng/ml for the first 50 days post-transplant. To achieve this level of CsA in the immediate post-transplant period, over 40% of patients required dose adjustments of CsA as a result of sub-therapeutic levels on day +1 post-transplant. The achievement of CsA levels within the therapeutic range was expedited following the introduction of a sliding scale for dose adjustment. With this regimen we have observed a low incidence of acute GVHD with only 11% of patients developing > or =grade II disease. With a median follow-up of 66 months (range 8-132) the probability of relapse is only 6.6%. The disease-free survival probability for all patients was 72% at 5 years. These results demonstrate that effective GVHD prevention with CsA and MTX can be achieved without a high risk of recurrent leukaemia provided that rapid attainment of therapeutic CsA levels is achieved and maintenance within a low therapeutic range may help to maximise this effect.

journal_name

Bone Marrow Transplant

journal_title

Bone marrow transplantation

authors

Byrne JL,Stainer C,Hyde H,Miflin G,Haynes AP,Bessell EM,Russell NH

doi

10.1038/sj.bmt.1701396

subject

Has Abstract

pub_date

1998-09-01 00:00:00

pages

541-5

issue

eissn

0268-3369

issn

1476-5365

journal_volume

pub_type

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Low incidence of acute graft-versus-host disease and recurrent leukaemia in patients undergoing allogeneic haemopoietic stem cell transplantation from sibling donors with methotrexate and dose-monitored cyclosporin A prophylaxis.