FDA Grants U.S. Approval of Ziihera® (zanidatamab-hrii) for the Treatment of Adults with Previously Treated, Unresectable or Metastatic HER2-positive (IHC 3+) Biliary Tract Cancer (BTC)
Ziihera is the first and only dual HER2-targeted bispecific antibody approved for HER2-positive BTC in the U.S. Ziihera received accelerated approval based on results including a 52% objective response rate and median duration of response of 14.9 months as determined by independent central review (ICR) from the HERIZON-BTC-01 clinical trial $25M milestone payment to be [...]










