Tukysa

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...

Apr 21, 2020

The U.S. FDA has given its nod to Seattle Genetics for its Tukysa (tucatinib) for advanced unresectable or metastatic HER2-positive breast cancer Genetics Tukysa (tucatinib) is a tyrosine kinase inhibitor of the HER2 protein, administered orally in combination with chemotherapy agents trastuzumab and capec...