Jazz (JAZZ) Says Ziihera Beat Trastuzumab on Overall Survival. Can it Replace the First-Line HER2 Backbone?
Jazz Pharmaceuticals (NASDAQ:JAZZ) reported that Ziihera plus chemotherapy showed a statistically significant overall survival benefit over trastuzumab in the Phase 3 HERIZON-GEA-01 trial. The study involved 914 patients across 30+ countries. The FDA approved Ziihera for first-line treatment of HER2-positive gastroesophageal adenocarcinoma, providing a commercial pathway. However, the magnitude of the survival benefit and safety concerns remain key factors for adoption.



