BeOne Medicines Announces New Phase 3 Survival Data Reinforcing Benefit of ZIIHERA-Containing Regimens in First-Line HER2+ Gastroesophageal Cancer

Ziihera® (zanidatamab-hrii) plus Chemotherapy Demonstrates Statistically Significant Overall Survival Benefit Versus Trastuzumab plus Chemotherapy in First-Line HER2+ Advanced GEA

HERIZON-GEA-01 results reinforce recently FDA-approved Ziihera as the definitive HER2-targeted backbone therapy in first-line GEA Longer follow up of Ziihera plus tislelizumab and chemotherapy shows improved OS hazard ratio, further supporting this regimen as the new standard of care Data submitted for presentation in fourth quarter 2026 For U.S. media and investors only  DUBLIN, Aug. …

BeOne Medicines Announces New Phase 3 Survival Data Reinforcing Benefit of ZIIHERA-Containing Regimens in First-Line HER2+ Gastroesophageal Cancer

SAN CARLOS, Calif. -- BeOne Medicines Ltd. (Nasdaq: ONC; HKEX: 06160; SSE: 688235), a global oncology company, today announced positive topline results from the second interim analysis (IA2) of the Phase 3 HERIZON-GEA-01 trial evaluating ZIIHERA® (zanidatamab), in combination with chemotherapy, with and without TEVIMBRA® (tislelizumab), as first-line treatment for HER2+ locally advanced or metastatic gastroesophageal adenocarcinoma (GEA). At IA2…