How many days does a box of dasatinib usually last?

Dasatinib (Dasatinib) is a targeted drug used to treat specific types of leukemia. It is mainly used clinically to treat chronic myeloid leukemia (CML) and Ph+ acute lymphoblastic leukemia (Ph+ALL). It interferes with the proliferation pathway of leukemia cells by targeting the BCR-ABL tyrosine kinase. Due to different disease stages and individual patient conditions, the recommended dosage of dasatinib also varies, which directly affects the number of days a box of medication can be used.

The most common specifications of dasatinib currently on the market include20mg and 50mg tablets, each box is packed with 60 tablets. For example, the recommended starting dose for adult patients with chronic phase CML is 100 mg daily, and it is usually recommended to take the whole tablet orally once a day. If you use 50mg dasatinib, the patient needs to take two tablets per day, and a box of 60 tablets can be used for 30 days. If you use the 20mg version of the drug, you need to take five tablets a day, and one box can only be used for about 12 days. For patients with CML or Ph+ALL in accelerated or blast phase, the recommended dose is 140 mg daily. At this time, if you still use the 50 mg specification, you need to take three tablets a day, and each box can last for about 20 days; if you use the 20 mg specification, you need to take seven tablets a day, and one box can only last for 8-9 days.

In addition, it is also necessary to consider that some patients may need to adjust their dosage due to adverse reactions or drug interactions during treatment. Some patients develop bone marrow suppression or bleeding tendencies after long-term use, and doctors may reduce the dose to 80 mg or even 60 mg/day, thereby extending the use period of a box of drugs.

It is worth noting that dasatinib tablets are not recommended for breakage and use because they are film-coated tablets, and breaking or chewing them will affect the drug release characteristics and efficacy. Therefore, patients should strictly follow the doctor's prescription and ensure that they take the medication regularly every day to maintain stable drug blood concentrations.

Reference materials:https://go.drugbank.com/drugs/DB01254