Seattle Genetics Announces Positive Results from Exploratory Analyses of HER2CLIMB for TUKYSA™ (tucatinib) in Brain Metastases Patients With HER2-Positive Breast Cancer

BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. today announced positive results from exploratory analyses of intracranial efficacy, including survival, in patients with HER2-positive metastatic breast cancer (MBC) who had stable or active brain metastases in the HER2CLIMB pivotal trial of TUKYSA™ (tucatinib). HER2CLIMB compared TUKYSA in combination with trastuzumab and capecitabine to trastuzumab and capecitabine alone in patients with unresectable, locally advanced or metastatic HER2