Perjeta® (pertuzumab) is a monoclonal antibody indicated for use in combination with trastuzumab and chemotherapy for:
Perjeta inhibits HER2 receptor dimerization, specifically blocking the pairing of HER2 with other HER family members to suppress cancer cell growth and survival pathways.
Perjeta is administered as an intravenous infusion in a healthcare setting. The initial dose of PERJETA is 840 mg administered as a 60-minute intravenous infusion, followed every 3 weeks by a dose of 420 mg administered as an intravenous infusion over 30 to 60 minutes. Permanently discontinue PERJETA if trastuzumab or trastuzumab hyaluronidase-oysk treatment is discontinued. Dose reductions are not recommended for PERJETA.
The most common side effects of Perjeta in mBC include diarrhea, alopecia, neutropenia, nausea, fatigue, rash, and peripheral neuropathy. The most common side effects of Perjeta in eBC include diarrhea, nausea, neutropenia, anemia, alopecia, fatigue, peripheral neuropathy and vomiting.