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  • Title: Next Generation Sequencing of Advanced Non-Small Cell Lung Cancer: Utilization Based on Race and Impact on Survival.
    Author: Al-Ahmadi A, Ardeshir-Larijani F, Fu P, Cao S, Lipka MB, Dowlati A, Bruno DS.
    Journal: Clin Lung Cancer; 2021 Jan; 22(1):16-22.e1. PubMed ID: 33397584.
    Abstract:
    BACKGROUND: Next generation sequencing (NGS) of tumor of patients with advanced non-small cell lung cancer (NSCLC) is now a standard of care that informs the clinician on the best therapeutic approach for their patients. The purpose of our study was to investigate the overall impact of NGS testing on survival as well as potential racial differences in utilization, therapeutic decision, and genomic alterations. METHOD: Using a large institutional database, 928 patients with stage IV NSCLC were identified. NGS testing using Foundation One platform was used. Clinical and genomic characteristics were compared by race. We used a propensity-modeling technique to compare groups that were sequenced or not in terms of overall survival. Time to event data was analyzed using Kaplan-Meier method and Cox model. RESULTS: A total of 295 patients underwent NGS. Patients undergoing NGS testing had significantly longer survival of 25.3 months versus those who did not undergo sequencing with a median survival of 14.6 months (P = .002) irrespective if they received targeted therapy or not. There was no difference in terms of NGS utilization based on race (P = .32). African American individuals had significantly higher rates of ALK rearrangements and mutations in PBRM1, SETD2, TSC2, and FBXW7. CONCLUSION: Our study demonstrates that within a large single institution there is no racial difference in NGS utilization and that NGS testing directly impacts survival. We identify a number of differences in genomic findings between African American and white individuals.
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