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Targeting Angiogenesis in Advanced Non-Small Cell Lung Cancer

Philip E. Lammers and Leora Horn

Lung cancer is the leading cause of cancer-related mortality in the United States. Over the past 40 years, treatments with standard chemotherapy agents have not resulted in substantial improvements in long-term survival for patients with advanced lung cancer. Therefore, new targets have been sought, and angiogenesis is a promising target for non-small cell lung cancer (NSCLC). Bevacizumab, a monoclonal antibody targeted against the vascular endothelial growth factor, is the only antiangiogenic agent currently recommended by NCCN for the treatment of advanced NSCLC. However, several antibody-based therapies and multitargeted tyrosine kinase inhibitors are currently under investigation for the treatment of patients with NSCLC. This article summarizes the available clinical trial data on the efficacy and safety of these agents in patients with advanced lung cancer.

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A Patient With Metastatic Lung Adenocarcinoma Harboring Concurrent EGFR L858R, EGFR Germline T790M, and PIK3CA Mutations: The Challenge of Interpreting Results of Comprehensive Mutational Testing in Lung Cancer

Philip E. Lammers, Christine M. Lovly, and Leora Horn

Mutational testing has moved to the forefront as an integral component in the management of patients with non-small cell lung cancer (NSCLC). Currently 3 targeted therapies (erlotinib, afatinib, and crizotinib) are approved by the FDA to treat patients with specific genetic abnormalities in NSCLC. As mutational screening expands to include a greater number of genes, the results will become more difficult to interpret, particularly if mutations are found in multiple genes or genes that are not actionable at the time of testing. This case report summarizes the diagnosis and treatment of a patient with NSCLC that harbored multiple potentially targetable driver mutations. It also discusses the current NCCN Clinical Practice Guidelines in Oncology for mutational testing in NSCLC and the inherent difficulties with interpreting mutational results when multiple mutations are found in a single gene or across multiple genes.