Indicated for: cancer
Route of administration: oral
Substance: lapatinib (tyrosine kinase inhibitor)
ATC: L01EH01 (Antineoplastic and immunomodulating agents | Protein kinase inhibitors | Human epidermal growth factor receptor 2 (HER2) tyrosine kinase inhibitors)
This medicine may affect fertility.
Handle with special care.
Effective contraception is required during treatment.
Do not use this medicine while breastfeeding.
Do not use this medicine during pregnancy.
Avoid grapefruit and grapefruit juice.
This medicine may affect the liver.
This medicine may have important interactions with other medicines.
This medicine may lower blood cell counts.
This medicine is subject to additional monitoring.
Periodic laboratory tests may be required during treatment.
Stop taking the medicine and seek urgent medical help if a severe rash occurs.
This medicine may increase the risk of heart rhythm disturbances.
Lapatinib is a medication used to treat advanced or metastatic breast cancer, particularly in cases where tumors overexpress the HER2 receptor. It is a tyrosine kinase inhibitor that blocks cellular signaling involved in cancer cell growth and survival.
The medication is taken orally, usually once daily, and is used in combination with other therapies such as capecitabine or letrozole. Treatment is carried out under the supervision of an oncologist.
Side effects may include diarrhea, nausea, skin rash, fatigue, or loss of appetite. In rare cases, severe adverse effects such as liver or cardiac toxicity may occur.
Patients should inform their doctor about any other medications they are taking and strictly follow the administration instructions. Pregnant or breastfeeding women should not use this medication.