A prospective evaluation of cardiac function in patients with chronic myeloid leukaemia treated with imatinib

Zahra Raisi Estabragh1, Katy Knight, Sarah J Watmough

  • 1Department of Haematology, University of Liverpool, Liverpool, UK.

Leukemia Research
|October 30, 2010
PubMed

Insights

Imatinib treatment for chronic myeloid leukaemia (CML) did not show evidence of heart damage in a prospective study. This suggests imatinib cardiotoxicity is not a significant clinical concern for CML patients.

Area of Science:

  • Cardiology
  • Oncology
  • Pharmacology

Background:

  • In vitro studies indicated potential imatinib cardiotoxicity.
  • Previous retrospective studies did not detect clinical heart failure but lacked assessment for subtle cardiac damage.

Purpose of the Study:

  • To prospectively evaluate cardiac function in chronic myeloid leukaemia (CML) patients treated with imatinib.
  • To investigate potential subtle myocardial damage associated with long-term imatinib therapy.

Main Methods:

  • Prospective cardiac assessment in 59 CML patients receiving imatinib.
  • Utilized echocardiography and Multiple Gated Acquisition (MUGA) scanning.
  • MUGA scans were repeated after 12 months of treatment.

Main Results:

  • No evidence of myocardial deterioration was observed at baseline.
  • No myocardial deterioration was detected over 12 months of imatinib treatment.
  • Echocardiography and MUGA scans showed preserved cardiac function.

Conclusions:

  • Imatinib treatment does not appear to cause significant myocardial deterioration in CML patients.
  • Cardiotoxicity is not a major clinical concern for imatinib therapy in CML.
  • Findings support the continued use of imatinib for CML management without undue cardiac risk.

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