Pertuzumab and trastuzumab are usual treatments for breast cancer that has tested positive for HER2. The combination of trastuzumab and pertuzumab as an injection under the skin is called Phesgo. It ...

Phesgo combines the anti-HER2 antibodies in Herceptin (trastuzumab) and Perjeta (pertuzumab) in a subcutaneous injection that takes a few minutes to deliver. At the moment, Herceptin is available ...