Zanidatamab · Medicine question

What is Ziihera (zanidatamab) used to treat in adults?

iatroX medicinesPublished 8 November 2026

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Ziihera (zanidatamab) is used alone to treat adults with unresectable locally advanced or metastatic HER2-positive (IHC3+) biliary tract cancer previously treated with at least one line of systemic therapy.

Sources for this answer

Ziihera 300 mg powder for concentrate for solution for infusionJazz Pharmaceuticals Research UK Limited · emc · SmPC §4.1 Therapeutic Indications · Version 1Document updated 4 March 2026

Sources checked 8 November 2026

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