Trastuzumab is a monoclonal antibody, one of a group of drugs designed to attack specific cancer cells.
Trastuzumab – Trastuzumab Biologics
Trastuzumab’s targets are cancer cells that overexpress an oncogene called HER2 or HER2/neu, which occurs in high numbers in about 25 to 30 percent of breast cancers. According to the National Comprehensive Cancer Network (NCCN), breast cancers can be categorized as being HER2 positive or HER2 negative. HER2-positive breast cancer is faster growing and considered more aggressive. Studies indicate that the drug trastuzumab (Herceptin) is effective in treatment of HER2-positive early stage breast cancer and HER2-positive metastatic breast cancer. Trastuzumab is not effective in the treatment of HER2-negative breast cancers.
