Memorial Sloan Kettering Cancer Center
The purpose of this study is to investigate whether cells from a biopsy taken from the patient skin can be transformed into cardiomyocytes the changes in cardiomyocyte (heart muscle cells) when grown in a special culture medium outside of the body. The structure and function of these cells will then be studied to determine why some patients with breast cancer who are treated with chemotherapy including anthracycline (e.g. Doxorubicin) and anti-HER2 therapy (e.g. Herceptin) develop decreased heart function.
Inclusion Criteria: * Female * Age greater than 18 years * Willing to participate in protocol procedures with signed informed consent * Assessment of LVEE via echocardiogram, cardiac MRI, or MUGA Subjects in the cardiotoxicity group (TOX) must meet the following criteria: * History of HER2 positive breast cancer (stage I-IV) * Prior/current treatment with anthracycline based chemotherapy followed by anti-HER2 directed therapy or anti-HER2 directed therapy alone * Assessment of LVEF at baseline prior to initiation of anthracycline or anti-HER2 therapy and during anti-HER2 therapy via echocar…
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