AACR Annual Meeting 2019: New Approaches to Treating Drug-resistant Non-small Cell Lung Cancer

About 80 percent of lung cancers are non-small cell lung cancers (NSCLC), and about 15 to 20 percent of NSCLCs harbor epidermal growth factor receptor (EGFR)-activating mutations.
Treatment for EGFR-mutant NSCLC improved dramatically with the introduction of EGFR tyrosine kinase inhibitors (TKIs). Several TKIs targeting this receptor have been developed, including the U.S. Food and Drug Administration (FDA)-approved first-generation EGFR TKIs gefitinib (Iressa) and erlotinib (Tarceva); second-generation EGFR TKIs, such as the FDA-approved afatinib (Gilotrif) and dacomitinib (Vizimpro), and the investigational therapeutic neratinib; and third-generation EGFR TKIs, including the FDA-approved osimertinib (Tagrisso), and the investigational therapeutics olmutinib and nazartinib.

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FDA Approvals Provide Advances in Precision Medicine and Immunotherapy

During the early part of November, we saw the U.S. Food and Drug Administration (FDA) approve a new molecularly targeted therapeutic, lorlatinib (Lorbrena), and expand the use of the immunotherapeutic pembrolizumab (Keytruda). These new approvals, which are for the treatment of certain patients with lung cancer and liver cancer, respectively, highlight that progress in the fields of precision medicine and immunotherapy is continuing unabated.

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