Chinese instructions for Erdafitinib

1. Indications

As a targeted drug, Erdafitinib’s indications mainly involve specific types of cancer, such as advanced or metastatic urothelial carcinoma (UC). The use of this drug needs to be done under physician supervision to ensure maximum benefit to the patient.

2. Mechanism of action

The main mechanism of action of Erdafitinib is to block the growth and division of cancer cells by inhibiting the abnormal activation of the fibroblast growth factor receptor (FGFR) family. FGFRplays a key role in normal cells, but may be abnormally activated in some cancers, leading to excessive proliferation of cancer cells. By precisely inhibiting this signaling pathway, erdafitinib is expected to block the survival signaling of cancer cells.

3. Pharmacology

The pharmacology section usually details the absorption, distribution, metabolism, and excretion of drugs in the body, as well as their interactions with living organisms.

4. Dosage and usage

Recommended starting dose: 8 mg orally once daily; if tolerated by the patient, the dose should be increased to 9 mg once daily once daily. Describe information such as the recommended dosage, frequency of medication, timing of medication, etc. to ensure that patients can take the medication correctly according to the doctor's recommendations when using the medication.

5. Side Effects

List in detail the possible side effects, including but not limited to high blood pressure, fatigue, joint pain, etc., as well as the severity and treatment methods of these side effects.

6. Warnings and Precautions

Warn patients about issues that require special attention while using erdafitinib, and provide relevant precautions, including regular monitoring of physical condition and regular necessary examinations.

7. Contraindications

List the contraindications for the use of erdafitinib, that is, the circumstances under which patients should not use the drug to avoid possible adverse reactions.

8. Drug interactions

Explain the possible interactions between erdafitinib and other drugs, and remind patients to inform their doctors when using other drugs to avoid potential adverse effects.

9. Medication for Special Populations

For special groups such as pregnant women, lactating women, and elderly patients, the special precautions when using erdafitinib are explained to ensure maximum patient safety during the medication process.

10. Listing and price situation

Erdafitinib is not currently available in the country, so patients cannot purchase it domestically and need to purchase erdafitinib through foreign channels. The original drug of erdafitinib is mainly the Hong Kong version of the original drug, with a price of more than 20,000, and needs to be purchased through a Hong Kong pharmacy. The generic drugs are relatively cheaper, mainly the Laos version and the Bangladesh Yaopin International version, with a price of about 1,000 to 2,000, and the ingredients of the original drug and the generic drug are basically the same.