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Tukysa
  • Treatments
  • Breast Cancer

Tukysa

Generic name:tucatinibtu-KAT-e-nib ]
Drug class:HER2 inhibitors

Medically reviewed by Judith Stewart, BPharm. Last updated on May 11, 2022.

What is Tukysa?

Tukysa inhibits HER2, a gene that can play a role in the development of breast cancer.

Tukysa is used together with other medicines (trastuzumab and capecitabine) to treat HER2-positive breast cancer. This combination chemotherapy is used when the cancer has spread to other parts of the body or cannot be removed with surgery.

Tukysa is usually given after other treatments have failed.

Warnings

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Tukysa may affect the way your other medicines work, and other medicines may affect the way Tukysa works.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions and allergies.

Before taking this medicine

Both men and women using Tukysa should use effective birth control to prevent pregnancy. Tucatinib can harm an unborn baby if the mother or father is using this medicine. Keep using birth control for at least 1 week after your last dose.

Tell your doctor right away if a pregnancy occurs while either the mother or the father is using Tukysa.

This medicine may affect fertility (ability to have children) in both men and women. However, it is important to use birth control to prevent pregnancy because tucatinib can harm an unborn baby.

Do not breastfeed while using Tukysa, and for at least 1 week after your last dose.

You may need to pr...