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Fam-Trastuzumab Deruxtecn-Nxki

Pronounced

"tras-TOOZ-ue-mab DER-ux-TEE-kan"

Common brand names:

Enhertu

Uses

Trastuzumab deruxtecan is used to treat certain types of cancer (such as breast cancer, lung cancer, stomach cancer, esophageal cancer, certain other solid tumors). This medication is used to treat tumors which are involved with the HER2 protein.

This medication is called a monoclonal antibody and topoisomerase inhibitor conjugate. Trastuzumab deruxtecan works by attaching to the HER2 cancer cells and blocking them from dividing and growing.

How to Use This Medication

Read the Medication Guide provided by your pharmacist before you start using trastuzumab deruxtecan and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

This medication is given by slow injection into a vein by a health care professional. It is given as directed by your doctor, usually once every 3 weeks. Your first infusion will be given over at least 90 minutes.

The dosage, the speed of your injection, and the length of time you receive trastuzumab deruxtecan are based on your body weight, medical condition, and response to treatment.

To get the most benefit from this medication, do not miss any doses. To help you remember, mark the days on the calendar when you need to receive the medication.

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Information expires December 2025.