Allogeneic stem-cell transplantation provides excellent in advanced stage chronic myeloid leukemia with major cytogenetic response to pre-transplant imatinib therapy

Martin Weisser, Michael Schleuning, Claudia Haferlach, Rainer Schwerdtfeger, Hans Jochem Kolb

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

To determine the impact of imatinib therapy prior to allogeneic stem-cell transplantation in advanced stage chronic myelogenous leukaemia (CML), 30 CML patients who had received imatinib as part of pre-transplant treatment were analysed, with special emphasis on the cytogenetic response to imatinib therapy shortly before transplantation. Median patient age was 51 years (range, 24-64). At the time of transplantation all patients were in second or higher chronic phase (CP). The median follow-up after allogeneic transplantation was 360 days (range, 24-1524). Cox regression analysis revealed that the quality of cytogenetic response was a prognostic factor for transplant-related mortality (p = 0.050), relapse incidence (p = 0.015), leukaemia-free survival (p = 0.002) and overall survival (p = 0.006). A cytogenetic response with <35%BCR-ABL-positive interphase nuclei in FISH analysis from bone marrow was associated with a probability of overall survival of 81% at 3 years. In conclusion, our data suggest that advanced stage CML has an excellent outcome after allogeneic haematopoietic stem-cell transplantation when transplanted in the phase of cytogenetic response to imatinib.

Original languageEnglish
Pages (from-to)295-301
Number of pages7
JournalLeukemia and Lymphoma
Volume48
Issue number2
DOIs
StatePublished - Feb 2007
Externally publishedYes

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