Prescription
Targeted cancer therapy (HER2-directed monoclonal antibodies)
Pertuzumab; Trastuzumab
Last reviewed April 2026
Who is this for?
What is this drug?
Pertuzumab and Trastuzumab (sold as Phesgo in Nigeria) is a combination of two cancer-fighting medicines that work together by targeting a specific protein called HER2 on the surface of certain breast cancer cells, blocking the signals that tell cancer cells to grow and multiply.
What is it used for?
HER2-positive breast cancer — including early-stage breast cancer before or after surgeryand breast cancer that has spread to other parts of the body
Prescription Required
A doctor's prescription is required to obtain this drug legally.