The latest instructions for lorlatinib in 2024, patients must read before taking the drug!

1. Indications:

Lorlatinib is mainly suitable for the treatment of patients with non-small cell lung cancer (NSCLC) with mutations in ALK (tyrosine kinase) and ROS1 (kinase). This includes patients who are resistant to other ALK inhibitors and those who are resistant to ROS1 mutations. Lorlatinib's broad targeting makes it an important treatment option for complex genetic mutation conditions.

2. Mechanism of action:

Lorlatinib is a tyrosine kinase inhibitor that prevents the growth and spread of tumor cells by inhibiting the activation of ALK and ROS1. Compared with first- and second-generation ALK inhibitors, lorlatinib has a broader inhibitory effect, including effective inhibition of drug-resistant mutations, thereby improving the efficacy of treatment.

3. Pharmacology:

The pharmacological characteristics of lorlatinib mainly include its absorption, distribution, metabolism and excretion processes in the body. The drug has high bioavailability in the body and can quickly reach effective concentrations. It is distributed to various tissues in the body through blood circulation, metabolized in the liver, and excreted through urine and feces.

4. Dosage and usage:

Patients should consult a doctor before using lorlatinib and strictly follow the doctor's recommendations. Under normal circumstances, a certain dose is taken orally every day, preferably after meals to improve the absorption effect of the drug. The doctor will develop an individualized medication plan based on the patient's specific conditions, such as weight, severity of illness, etc.

5. Side effects:

Common side effects of lorlatinib include mild nausea, fatigue, headache, and mild diarrhea. A small number of patients may experience uncomfortable symptoms such as abnormal liver function, blurred vision, and high blood pressure. During the medication period, patients should promptly inform the doctor of any discomfort symptoms so that the treatment plan can be adjusted in a timely manner.

6. Warnings and precautions:

Patients need to pay close attention to the doctor's instructions when using lorlatinib and undergo relevant examinations regularly. Especially in the case of serious side effects or allergic reactions, seek medical attention immediately. Lorlatinib may affect the EKG, so an EKG is required before use to rule out heart problems.

7. Contraindications:

Patients who are allergic to the ingredients of lorlatinib or have other clear contraindications, such as pregnant women, lactating women, etc., should avoid using this drug. Before taking medication, patients should fully communicate with their doctor to ensure that there are no contraindications.

8. Drug interactions:

While taking lorlatinib, patients should inform their doctor about other medications they are taking, including prescription drugs, over-the-counter drugs, and supplements. Some drugs may interact with lorlatinib, affecting how well the drug works or increasing the risk of side effects.

9. Medication for special groups:

Physicians may need to adjust the dose of lorlatinib in older patients or in patients with impaired liver or renal function. Pregnant and nursing women should consult a doctor before use to weigh the pros and cons and ensure safety.

10. Listing and price situation:

Lorlatinib has been launched in China and is included in medical insurance. Patients can purchase it domestically, but the price is relatively high, about 10,000 to 20,000 yuan. Please consult the local hospital pharmacy for details. There are original lorlatinib drugs and cheaper generic drugs abroad. The cheaper ones are the original drug from Turkey, which costs more than 1,000 yuan, and the original drug from Hong Kong, China, which costs about 30,000 yuan. Generic drugs are mainly generic drugs from Laos and Bangladesh. The price is about several thousand yuan, and the ingredients of the original drugs and generic drugs are basically the same.

During the entire process of using lorlatinib, patients should maintain close communication with doctors and patients and promptly report any abnormal symptoms to ensure the best efficacy of the drug and patient safety. Under physician supervision, rational use of lorlatinib is expected to provide patients with better therapeutic effects.