Full Press Release Details
Ziihera® (zanidatamab-hrii) Combinations Achieve Unprecedented Results in First-Line HER2+ Locally Advanced or Metastatic GEA including more than Two Years Median Overall Survival Benefit.
ZYME
Ziihera® (zanidatamab-hrii) Combinations Achieve Unprecedented Results in First-Line HER2+ Locally Advanced or Metastatic GEA including more than Two Years Median Overall Survival Benefit
Key Takeaway: Ziihera® (zanidatamab-hrii) Combinations Achieve Unprecedented Results in First-Line HER2+ Locally Advanced or Metastatic GEA including more than Two Years Median Overall Survival Benefit
Price reaction · baseline $25.48 (2026-01-05 close) · hit after-hours · clean, no other ZYME news in the window
day 0 close
-5.1%
day 1
-2.5%
day 3 · peak
-9.1%
BiopharmaWatch Analysis
From our catalyst data and publicly available data · not financial adviceBest trade, last catalyst
+23%
120-day peak, hindsight
Typical move
5.4%
average across 7 past catalysts
Cash runway
~35 mo
Minimal dilution risk
Lead asset
ZW49
Phase 1 · HER2-expressing Cancers