How many boxes of erdafitinib should be taken in a month?

Erdafitinib(Erdafitinib) is a kinase inhibitor indicated for the treatment of adult patients with locally advanced or metastatic urothelial carcinoma who have susceptible FGFR3 or FGFR2 genetic alterations and who have received treatment during or after at least one prior platinum-containing chemotherapy including 12 Within months) neoadjuvant oradjuvant platinum-containing chemotherapy for disease progression.

The recommended starting dose of erdafitinib is 8 mg orally once daily (two 4 mg tablets), with the dose increased to 9 mg once daily (three 3 mg tablets) based on serum phosphate (PO4) levels and tolerability for 14 to 21 days. Swallow the tablet whole with a meal or alone. If vomiting occurs at any time after taking erdafitinib, the next dose should be taken the next day. Treatment should be continued until disease progression or unacceptable toxicity occurs.

If you miss a dose of erdafitinib, you can take it as soon as possible that day. Resume the regular daily dosing schedule of erdafitinib the next day. Extra tablets should not be taken to make up for a missed dose.

Increase dose based on serum phosphate level: Assess serum phosphate levels 14 to 21 days after initiating treatment. If serum phosphate levels are <5.5 mg/dL and there are no ocular disease or grade 2 or worse adverse reactions, increase the dose of erdafitinib to 9 mg once daily. Monitor phosphate levels monthly for the presence of hyperphosphatemia. How many boxes of erdafitinib should be taken in a month? The dosage should be determined after the guidance of a doctor.

Currently, erdafitinib is not yet available in the domestic market, and patients need to purchase it through foreign channels or seek services from formal overseas medical consulting companies. According to the information, the original drug of erdafitinib sold in Hong Kong is packaged in 4mg*14 pills, and the price exceeds 20,000 yuan. In addition, there are also generic versions of erdafitinib available overseas. For example, the Bangladeshi version is available in three specifications: 3 mg, 4 mg, and 5 mg. The price of 28 tablets of the 4 mg specification is about 1,000 yuan. If you want to learn more about the generic version of erdafitinib, you can consult a regular overseas medical consulting company.