Ziihera

zanidatamab · Jazz Pharmaceuticals Ireland Limited
ORPHAN CONDITIONAL APPROVAL AUTHORISED IN THE EU

What Ziihera is used for

Ziihera as monotherapy is indicated for the treatment of adults with unresectable locally advanced or metastatic HER2-positive (IHC3+) biliary tract cancer (BTC) previously treated with at least one prior line of systemic therapy (for biomarker-based patient selection, see section 4.2).

Approved use, as published by the European Medicines Agency.

What the labels mean

  • Orphan medicine: for a rare disease (affecting no more than 5 in 10,000 people in the EU).
  • Conditional approval: approved on less complete data because the need is high; more data must follow.

Key facts

Brand
Ziihera
Active substance
zanidatamab
Disease area
Biliary Tract Neoplasms
Medicine group
Antineoplastic agents
ATC code
L01FD07
Marketing authorisation holder
Jazz Pharmaceuticals Ireland Limited
Authorised in the EU since
2025

Official information

In the USA

Same active substance: Ziihera

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Ziihera used for?

Ziihera as monotherapy is indicated for the treatment of adults with unresectable locally advanced or metastatic HER2-positive (IHC3+) biliary tract cancer (BTC) previously treated with at least one prior line of systemic therapy (for biomarker-based patient selection, see section 4.2).

What is the active substance in Ziihera?

Ziihera contains zanidatamab.

Who makes Ziihera?

The EU marketing authorisation holder is Jazz Pharmaceuticals Ireland Limited.

Is Ziihera an orphan medicine?

Yes. Ziihera is designated an orphan medicine in the EU, for a rare disease (Biliary Tract Neoplasms).

Source: European Medicines Agency medicines data (ema.europa.eu), reproduced with acknowledgement of the source. Page made 5 November 2026 by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.