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Abstract
Although taxanes and anthracyclines have dramatically improved the treatment of breast cancer, resistance to these agents upon continued exposure is almost inevitable. The epothilone ixabepilone was US FDA approved in 2007 based on its demonstrated activity in metastatic breast cancer that is resistant to other approved agents, including taxanes and anthracyclines. Over 2000 patients have now received this agent in clinical trials, clarifying that ixabepilone has efficacy in minimally and heavily pretreated patients and can overcome chemotherapy-induced drug resistance, while maintaining a manageable safety profile. These clinical trials identified a progression-free survival advantage with ixabepilone/capecitabine combination therapy over capecitabine monotherapy. Moreover, certain hard-to-treat subgroups of patients may derive additional benefit from ixabepilone therapy. The objective of this report is to review the updated body of ixabepilone clinical data in breast cancer, as well as key considerations for ixabepilone administration and side-effect management.
Financial & competing interests disclosure
The author takes full responsibility for the content of this publication and confirms that it reflects her viewpoint and medical expertise. The author has no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Writing assistance was utilized in the production of this manuscript. MedErgy and StemScientific, funded by Bristol-Myers Squibb, provided writing and editing support.