Differences in the survival of patients with recurrent versus de novo metastatic KRAS-mutant and EGFR-mutant lung adenocarcinomas

Cancer
Helena A YuMark G Kris

Abstract

Prognostic variables are independently associated with survival and are fundamental to clinical trial design. In the current study, the authors evaluated the impact of stage of disease at the time of the initial diagnosis on overall survival (OS) in 2 independent, oncogene-defined cohorts. All patients with epidermal growth factor receptor (EGFR)-mutant and KRAS-mutant metastatic lung adenocarcinomas were identified through routine molecular testing from January 2005 through January 2011. Clinical characteristics were obtained. OS from the date of diagnosis of recurrent or de novo metastatic disease was estimated using the Kaplan-Meier method. A total of 635 patients with KRAS-mutant and 496 patients with EGFR-mutant metastatic lung adenocarcinomas were identified. Among patients with KRAS-mutant lung adenocarcinomas, those with de novo metastatic disease were found to have a shorter median OS compared with those with recurrent metastatic disease (13 months vs 18 months; P = .003). In a multivariable analysis of patients with KRAS-mutant lung adenocarcinomas, de novo metastatic disease at the time of diagnosis (TNM stage IV vs stage I-III: hazard ratio, 1.5 [95% confidence interval, 1.2-1.8]; P<.001) was independently associate...Continue Reading

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Citations

Jan 5, 2019·American Journal of Clinical Oncology·Sara MooreCheryl Ho
Mar 2, 2016·European Respiratory Review : an Official Journal of the European Respiratory Society·Emmanuelle KempfLuis Paz-Ares
Jul 14, 2018·JNCI Cancer Spectrum·Michael J HassettDebra P Ritzwoller
Feb 3, 2016·Clinical Cancer Research : an Official Journal of the American Association for Cancer Research·Valentine M MacaulayShirish M Gadgeel
Apr 27, 2021·Frontiers in Oncology·Farastuk BozorgmehrPetros Christopoulos

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