The FDA approved the drug, Gefitinib in 2015 for the treatment of patients who suffer from metastatic non-small cell lung cancer (NSCLC). Gefitinib is a tyrosine kinase inhibitor. It reversibly inhibits the kinase activity of wild-type and specific activating mutations of EGFR, preventing autophosphorylation of tyrosine residues associated with the receptor, thereby inhibiting further downstream signalling and blocking EGFR-dependent proliferation. Gefitinib also inhibits IGF and PDGF-mediated signalling at clinically relevant concentrations; inhibition of other tyrosine kinase receptors has not been fully characterized. This drug is supplied as tablets in 250 mg for oral administration. One should store this drug at room temperature 20C-25C (68F-77F). Gefitinib cost is affordable, and you can easily purchase this drug from certified generic medicine suppliers. If you want to know more about this drug, ring us on 18008891064.