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Lapatinib for Breast Cancer

Under certain circumstances, a woman with breast cancer may take lapatinib (Tykerb®). Specifically, the drug is approved for use in combination with capecitabine (Xeloda®) to treat HER2-positive cancer that has spread to other parts of the body (metastasized) in people who have tried other chemotherapy medications without success -- namely an anthracycline (a taxane) and trastuzumab (Herceptin®).
 
Lapatinib works by binding to two specific receptors on the cancer cells and interfering with the process by which the cells multiply. This causes a decline in the growth of cancer cells.
 
(Click What Is Lapatinib Used For? to learn more about this breast cancer treatment. This article offers more information on symptoms of breast cancer, when this medication is prescribed, whether children can take it, and possible off-label uses.)
 

Lapatinib for Breast Cancer

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