What Does One do for the CML Patient in Relapse After Allogeneic Bone Marrow Transplantation
1993
The management of CML patients with some evidence of disease after BMT depends on the molecular, cytogenetic and hematological findings of relapse. Presently, a number of technical and biological problems do not allow to draw any definitive conclusion on the prognostic significance of Minimal Residual Disease detected by PCR. A positive PCR, particularly if observed late after BMT, leads to increase the frequency of cytogenetic examinations, but a therapeutic intervention is not justified. The criteria to define the cytogenetic relapse are not still established. Therefore it is difficult to interpret the reappearance of Ph-1 chromosome after BMT as disease recurrence invariably progressing towards the hematological phase. However, alpha-Interferon, donor buffy-coat infusion or their association should be considered in the treatment of patients for whom the cytogenetic relapse has been confirmed. The therapeutic approach to patients with hematological relapse is mainly depending on the phase of disease. Th...
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