The U.S. Food and Drug Administration approved Tykerb (lapatinib) in combination with Femara (letrozole) to treat hormone positive and HER2-positive advanced breast cancer in postmenopausal women for whom hormonal therapy is indicated. HER2 is a protein involved in normal cell growth. It is found on some types of cancer cells, including breast cancer cells. In hormone positive breast cancer, the presence of certain hormones contributes to breast cancer growth. In HER2-positive breast cancer, stimulation of the HER2 receptor contributes to cancer cell growth...

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Tags: cancer, breast, positive, her2, growth, cells, contributes, approved, drug, hormone, cell,

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Description: The U.S. Food and Drug Administration approved Tykerb (lapatinib) in combination with Femara (letrozole) to treat hormone positive and HER2-positive advanced breast cancer in postmenopausal women