Ontruzant – Trastuzumab uses, dose and side effects
Ontruzant contains the active substance trastuzumab, which is a monoclonal antibody . Monoclonal antibodies are attached to specific proteins or antigens . Trastuzumab is designed to bind selectively to an antigen called human epidermal growth factor receptor 2 ( HER2 ). HER2 is found in large amounts on the surface of certain cancer cells and then stimulates cell growth. When Ontruzant binds to HER2 , the growth of the cancer cells is stopped and it leads to their death.
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