Tyrosine kinase inhibitors are a class of drugs that block enzymes called tyrosine kinases, which are involved in cell signaling pathways. Tyrosine kinase inhibitors are used to treat various forms of cancer, such as leukemia, lung cancer, and breast cancer, by preventing the cancer cells from growing and multiplying. They work by binding specific target receptors on the surface of cancer cells, blocking the signaling pathways that are responsible for tumor growth and metastasis