PERJETA

Oct 17, 2025

Pfizer’s oncology pipeline has achieved a second positive phase III trial in HER2-positive breast cancer within roughly a year. This latest success involves TUKYSA, a HER2-targeted tyrosine kinase inhibitor that Pfizer acquired through its $43 billion purchase of Seagen. In patients with HER2-positive metastatic...

Aug 13, 2024

For most of the last century, breast cancer was categorized only by its location in the body; as a result, treatment results varied significantly. Patients with metastatic HER2+ breast cancer were traditionally treated with conventional chemotherapy regimens until trastuzumab became available. In September 1998, th...