Pfizer’s TUKYSA Regimen Receives FDA Approval as Front-Line Maintenance Treatment for HER2+ Metastatic Breast Cancer

NEW YORK--(BUSINESS WIRE)--Pfizer Inc. (NYSE: PFE) today announced that the U.S. Food and Drug Administration (FDA) has approved TUKYSA® (tucatinib) in combination with trastuzumab and pertuzumab for the maintenance treatment of adults with unresectable locally advanced or metastatic human epidermal growth factor 2-positive (HER2+) breast cancer following induction treatment. The approval expands the use of TUKYSA to frontline, an earlier stage of metastatic disease, offering a new chemotherapy