What Is Herceptin (trastuzumab)? What Is Herceptin For?
 

Herceptin is the brand name of a medicine called trastuzumab. This medicine can stop the growth of breast cancer and sometimes reduce the size of the tumor. Herceptin is given by a drip into a vein. It can be given in combination with chemotherapy, or on its own to patients who have already had two courses of chemotherapy...

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