Does tucatinib cause hair loss?

There are different opinions on whether Tucatinib (Tucatinib, brand name: Tukysa) can cause hair loss.

Tucatinib is unlikely to cause hair loss. Studies have shown that hair loss was not reported as a common side effect in patients taking tucatinib. At the same time, tucatinib is a targeted drug whose mechanism of action is to block HER2 activity, thereby slowing the growth and spread of cancer cells. Compared with traditional chemotherapy drugs, this mechanism of action usually causes less damage to normal cells, so the possibility of causing hair loss is relatively low.

It is worth noting that tucatinib is often prescribed with other breast cancer drugs, such as capecitabine (Xeloda). Chemotherapy drugs such as capecitabine may cause hair loss. Therefore, if a patient is taking tucatinib concurrently with other medications that may cause hair loss, the hair loss may be more significant.

In order to accurately determine whether hair loss is related to tucatinib, patients should record their medication and hair loss in detail, and report it to their doctor in a timely manner. The doctor will judge the cause of hair loss based on the patient's specific situation and medication history, and give corresponding suggestions and treatment measures.

Overall, although tucatinib is unlikely to cause hair loss, some patients may experience some degree of hair loss while using it. For this group of patients, it is very important to maintain close communication with their doctors, promptly report side effects, and seek professional advice. At the same time, patients can also take some measures to relieve the psychological pressure of hair loss, such as wearing wigs, using headscarves or scarves to cover hair loss areas, etc.

References:

https://velindre.nhs.wales/velindrecc/patient-information/chemotherapy-immunotherapy-information-leaflets/tucatinib-and-capecitabine-a1507/