Imatinib is a medication used in the treatment of certain types of cancer, particularly chronic myeloid leukemia (CML) and gastrointestinal stromal tumors (GISTs). It belongs to a class of drugs known as tyrosine kinase inhibitors.

Imatinib works by inhibiting the activity of specific tyrosine kinases, which are proteins involved in the growth and survival of cancer cells. By blocking these abnormal signaling pathways, imatinib helps to slow down or stop the growth of cancer cells, leading to tumor shrinkage and improved outcomes.


The medication is typically taken orally in the form of tablets. The dosage and treatment duration depend on the specific type and stage of cancer, as well as the individual’s response to the therapy.

Common side effects of imatinib may include nausea, vomiting, diarrhea, fatigue, and fluid retention. More serious side effects, such as liver problems or low blood cell counts, can occur but are less common. Regular monitoring of liver function and blood cell counts may be recommended during treatment.


Imatinib should only be used under the guidance and prescription of a qualified healthcare professional experienced in the treatment of cancer. It may interact with other medications, so it is important to inform the healthcare provider about all medications being taken, including over-the-counter drugs and supplements.

In summary, imatinib is a medication used in the treatment of certain types of cancer, including CML and GISTs. It inhibits specific tyrosine kinases to slow down the growth of cancer cells. Regular monitoring and adherence to healthcare provider instructions are important during imatinib treatment.


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