

Ziihera (zanidatamab-hrii) Combinations Demonstrate Sustained Survival at Three Years in First-Line HER2+ Advanced Gastroesophageal Adenocarcinoma at ESMO 202

Nearly 40% of patients alive at three years with Ziihera plus tislelizumab and chemotherapy, irrespective of PD-L1 status, achieving a median OS of 27 months Mature HERIZON-GEA-01 results show Ziihera plus chemotherapy delivered statistically significant and clinically meaningful OS benefit, reducing the risk of death by 24% versus trastuzumab plus chemotherapy For U.S. media and investors only DUBLIN, Oct. 23, 2026 /PRNewswire/ -- Jazz Pharmaceuticals plc (Nasdaq: JAZZ) today announced updated overall survival (OS) results from the Phase 3 HERIZON-GEA-01 trial evaluating Ziihera® (zanidatamab-hrii) in combination with chemotherapy, with or without Tevimbra® (tislelizumab-jsgr), as first-line treatment for adults with HER2-positive (HER2+) locally advanced or metastatic gastroesophageal adenocarcinoma (GEA). The results from the second interim, and final formal, analysis were presented as a late-breaking rapid oral presentation (LBA79) at the European Society for Medical Oncology (ESMO) Congress 2026 in Madrid, Spain.


DUBLIN, Oct. 19, 2026 /PRNewswire/ -- Jazz Pharmaceuticals plc (Nasdaq: JAZZ) today announced it will report its 2026 third quarter financial results on Monday, November 2, 2026, after the close of the U.S. financial markets. Company management will host a webcast at 4:30 p.m.

Jazz Pharmaceuticals offers a differentiated medical cannabis play, with Epidiolex sales growth and a diversified portfolio offset by pipeline setbacks and earnings pressures.

Jazz Pharmaceuticals is transforming beyond oxybate reliance, with diversified growth across sleep medicine, epilepsy, and oncology portfolios. JAZZ delivered robust Q2 2026 results: $1.21B revenue (+16% YoY), strong gross margins (92.1% non-GAAP), and raised FY guidance to $4.60–$4.75B. Ziihera's FDA approval for 1L HER2-positive GEA marks a major oncology expansion, with clinical data showing a significant survival benefit over standard of care.

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Jazz Pharmaceuticals (NASDAQ: JAZZ - Get Free Report) and vTv Therapeutics (NASDAQ: VTVT - Get Free Report) are both healthcare companies, but which is the superior business? We will contrast the two businesses based on the strength of their risk, earnings, analyst recommendations, valuation, profitability, dividends and institutional ownership. Analyst Ratings This is a summary of current