Lapatinib manufacturer is an important medication used in the treatment of certain types of breast cancer. Specifically, it is effective against HER2-positive breast cancer, a more aggressive form of the disease. HER2 is a protein that promotes the growth of cancer cells. In some breast cancers, there is too much HER2, leading to faster growth of tumors. Lapatinib works by blocking this protein, helping to slow down or stop the growth of cancer cells.
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