https://www.selleckchem.com/products/azd9291.html
A 57-year-old female was diagnosed as having advanced lung adenocarcinoma. Combination chemotherapy using cisplatin plus pemetrexed was introduced. However, her disease progressed during the maintenance therapy with pemetrexed. Subsequent therapies could not control the disease. Later, it was found that her lung cancer harbored an epidermal growth factor receptor(EGFR)exon 20 insertion, D770_N771insSVD. Afatinib, a second-generation EGFR-tyrosine kinase inhibitor (TKI), was administered as the fourth-line treatment and reduced the size
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