What should I pay attention to while taking cabozantinib? Frequently Asked Questions and Medication Contraindications

Cabozantinib is a multi-target tyrosine kinase inhibitor that is widely used to treat a variety of cancers, including advanced renal cancer, liver cancer, and thyroid cancer. As a targeted therapy drug, cabozantinib fights the progression of cancer by inhibiting tumor cell proliferation, angiogenesis and other mechanisms. However, the use of cabozantinib is also accompanied by certain side effects and precautions. Patients need to follow the doctor's advice when taking the drug and be cautious about possible risks. The following will introduce in detail the matters needing attention, common problems and contraindications when taking cabozantinib.

1. Dosage and administration method

The dose of cabozantinib is usually individualized based on factors such as the patient's weight, type of disease, and drug resistance. In general, patients should take cabozantinib as directed by their doctor, usually once daily, preferably orally at a fixed time. Cabozantinib pills need to be swallowed whole and should not be chewed, crushed or opened. Because cabozantinib may cause gastrointestinal discomfort, it should be taken after a meal to reduce stomach irritation.

In addition, if the patient misses a dose, it should be taken as soon as possible that day, but if it is close to the next dose time, the missed dose should not be replenished and the dose should be continued as scheduled. Overdose of cabozantinib may cause serious side effects, such as high blood pressure, bleeding, liver damage, etc. Patients need to use the drug strictly according to the doctor's instructions.

2. Common side effects and countermeasures

Side effects of cabozantinib include, but are not limited to, high blood pressure, diarrhea, fatigue, decreased appetite, nausea, vomiting, abnormal liver function, oral ulcers, and rash. High blood pressure is one of the most common side effects, and patients need to monitor their blood pressure regularly during treatment. If blood pressure is elevated, it may need to be controlled by adjusting the medication dose or using antihypertensive medications. In addition, diarrhea is also one of the common side effects. Patients should use antidiarrheal drugs or adjust their diet to reduce symptoms according to the guidance of their doctor.

For gastrointestinal discomfort symptoms such as nausea, vomiting and loss of appetite, patients can take medications after meals or use anti-nausea medications under the guidance of a doctor. Rashes and mouth sores are also common and can often be relieved with topical treatments or the use of allergy medications.

3. Serious side effects and emergency treatment

Although the side effects of cabozantinib are generally manageable, some serious side effects require special attention. For example, cabozantinib may cause liver damage, manifested by an increase in liver function indicators (such as ALT, AST, etc.). If the patient develops symptoms such as jaundice, upper abdominal pain, nausea, and vomiting during medication, the medication should be discontinued immediately and seek medical attention as soon as possible. For blood system abnormalities such as bleeding tendencies and thrombocytopenia, patients should pay close attention to signs. If unknown bleeding, easy bruising, etc. occur, they should contact a doctor immediately for treatment.

In addition, cabozantinib may also cause serious cardiovascular problems, such as angina pectoris, heart failure, etc. Patients should undergo regular electrocardiogram examinations, especially those with a history of heart disease. When symptoms such as chest pain and difficulty breathing occur, you should stop taking the medication immediately and seek medical help.

4. Medicine contraindications and precautions for special groups

Cabozantinib is not suitable for certain people. Cabozantinib should not be used by pregnant and breastfeeding women because the drug may cause harm to the fetus or baby. If the patient is pregnant or breastfeeding, the doctor should be informed and alternative treatment options available. In addition, cabozantinib should be used with caution or avoided in patients with severely impaired liver function, as the drug may burden the liver and lead to liver damage.

For patients with basic diseases such as severe hypertension, bleeding tendency, cardiovascular disease, renal dysfunction, etc., cabozantinib should be used under the guidance of a doctor, relevant indicators should be closely monitored, and the drug dosage or treatment plan should be adjusted in a timely manner. In addition, patients should avoid receiving live vaccines while taking cabozantinib because cabozantinib may affect the function of the immune system and increase the risk of infection.

5. Monitoring and follow-up

During cabozantinib treatment, patients need to undergo a series of regular examinations to ensure the safety and effectiveness of the treatment. Common monitoring items include blood pressure, liver and kidney function, electrocardiogram, blood routine, etc. Particularly in patients taking cabozantinib, management of hypertension is critical and blood pressure should be monitored regularly and antihypertensive medications adjusted as needed. Monitoring of liver function is equally important. Patients need to regularly detect liver function indicators to detect liver damage in time and take corresponding treatment measures.

During the treatment process, doctors should evaluate the efficacy and side effects of the drug and adjust the treatment plan based on the patient's specific situation. If a patient experiences a serious adverse reaction, the doctor may suspend the drug, adjust the dose, or choose an alternative treatment.

Cabozantinib is a powerful targeted drug that can effectively treat many types of cancer. However, when using cabozantinib, patients need to strictly abide by the doctor's medication instructions, closely monitor possible side effects, and undergo regular examinations. By properly managing side effects and adjusting treatment options, cabozantinib can maximize its efficacy and help patients better cope with cancer treatment.

Reference:https://en.wikipedia.org/wiki/Cabozantinib