Zymeworks Announces Positive HERIZON-GEA-01 Phase 3 Results Supporting Ziihera® (zanidatamab-hrii) as HER2-Targeted Agent-of-Choice and New Standard of Care in First-Line HER2-Positive Locally Advanced or Metastatic Gastroesophageal
Ziihera® plus chemotherapy showed a clinically meaningful and statistically significant improvement in PFS versus trastuzumab and chemotherapy, and a clinically meaningful effect with a strong trend toward statistical significance for OS at the first OS interim analysis Ziihera plus Tevimbra® (tislelizumab) and chemotherapy demonstrated clinically meaningful and statistically significant improvements in OS and PFS versus trastuzumab and [...]










