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Zanidatamab

Generic name: zanidatamab

Brand names: Ziihera

Used for cancer surgery
Last updated November 5, 2026 0 views
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What is zanidatamab?

Zanidatamab is made use of in grownups to treat a particular kind of bile air duct or gallbladder cancer called biliary tract cancer.

Zanidatamab is utilized when the cancer was previously treated, has actually infected other parts of the body (metastatic), or can not be removed with surgery.

Your doctor will see to it you have the proper tumor kind to be treated with zanidatamab.

Zanidatamab might also be utilized for functions not listed in this medicine overview.

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How is zanidatamab given?

Zanidatamab is offered as a sluggish infusion into a capillary. A doctor will certainly give you this shot.

Zanidatamab typically given when every 2 weeks. Your medical professional will identify your therapy timetable.

You will certainly be watched for a short time to see to it you do not have an allergic reaction.

Your heart feature and blood will certainly require to be examined before and during treatment. Your therapy may be transformed based on the outcomes.

You may be given various other drugs to help protect against severe negative effects or an allergy. Maintain using these medicines for as lengthy as your medical professional has actually suggested.

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Warnings

May harm an unborn baby. Do not utilize if you are expectant. Usage effective birth control while using zanidatamab and for a minimum of 4 months after your last dosage. Inform your medical professional if you become pregnant.

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Before taking this medicine

Inform your physician if you have or have actually ever before had:

  • heart problems.

You might need to have an adverse pregnancy examination before starting this therapy.

May damage a coming infant. Do not use if you are expectant. Use effective contraception while making use of zanidatamab and for a minimum of 4 months after your last dose. Tell your medical professional if you conceive.

Ask a medical professional if it is secure to nurse while utilizing zanidatamab.

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Zanidatamab side effects

Get emergency clinical aid if you have indications of an allergy: hives, tough breathing, swelling of your face, lips, tongue, or throat.

Some negative effects might occur during or after the infusion. Inform your clinical caretaker if you really feel dizzy, nauseated, light-headed, itchy, sweaty, or have a frustration, upper body rigidity, back pain, difficulty breathing, or swelling in your face.

Zanidatamab may create significant negative effects. Call your medical professional at once if you have:

  • new or getting worse lack of breath;
  • sensation really weary;
  • loss of awareness;
  • a new or an aggravating irregular heart beat pattern;
  • dizziness, feeling light-headed;
  • swelling or rapid weight gain; or
  • extreme looseness of the bowels.

Your cancer treatments may be postponed, transformed, or completely stopped if you have specific side effects.

Common adverse effects of zanidatamab may include:

  • infusion relevant reaction;
  • looseness of the bowels;
  • tummy discomfort; or
  • sensation tired.

This is not a full listing of adverse effects and others might occur. Call your physician for medical advice regarding side effects. You might report negative effects to FDA at 1-800-FDA-1088.

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Zanidatamab dosing information

Usual Adult Dose for Cholangiocarcinoma of biliary tract:

20 mg/kg IV every 2 weeksDuration of therapy: Until disease progression or unacceptable toxicityComments:-Approved under accelerated approval based on overall response rate and duration of response; continued approval may depend on verification and description of clinical benefit in confirmatory trials.-Patients should be selected based on HER2-positive (immunohistochemistry [IHC] 3+) tumor specimens, as detected by a US FDA-approved test.-Duration of infusion:---First and second: 120 to 150 minutes---Third and fourth: 90 minutes (if previous infusions were well-tolerated)---Subsequent: 60 minutes (if previous infusions were well-tolerated)Use: For the treatment of patients with previously treated, unresectable or metastatic HER2-positive (IHC 3+) biliary tract cancer, as detected by a US FDA-approved test

What happens if I miss a dose?

Call your physician for instructions if you miss an appointment for your zanidatamab infusion.

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What happens if I overdose?

In a clinical establishing an overdose would certainly be dealt with swiftly.

Follow your doctor's instructions concerning any restrictions on food, beverages, or task.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect zanidatamab?

Various other drugs may influence zanidatamab, including prescription and over-the-counter medicines, vitamins, and herbal items. Inform your physician about all other medications you utilize.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.