Adriamycin-associated cardiomyopathy: where are we now? updates in pathophysiology, dose recommendations, prognosis, and outcomes

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Abstract

PURPOSE OF REVIEW: Advances in cancer treatments have resulted in significant improvements in survival. Anthracycline chemotherapeutics play a major role in the treatment of hematologic malignancies and solid tumors; however, there is a risk of anthracycline cardiomyopathy in survivors. This focused review will provide a historical context on anthracycline cardiomyopathy and will also review pathophysiologic mechanisms of cardiotoxicity, dosage recommendations, prognosis, and outcomes. RECENT FINDINGS: Anthracycline inhibition of topoisomerase 2β in cardiomyocytes is believed to be the dominant mechanism of anthracycline-related cardiotoxicity. Emerging data suggest that downregulation of the RNA-binding protein quaking 5 may also be contributing. There is continued lack of agreement regarding what dosage of anthracycline is associated with the highest risk of cardiotoxicity. SUMMARY: Ongoing research into the mechanisms of anthracycline cardiotoxicity is warranted to allow for the development of targeted preventive therapies. A consensus definition of anthracycline cardiomyopathy will facilitate analyses of existing data and allow for the conduction of prospective clinical trials in this area.

Original languageEnglish (US)
Pages (from-to)289-295
Number of pages7
JournalCurrent opinion in cardiology
Volume34
Issue number3
DOIs
StatePublished - May 1 2019

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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