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- W4360607739 abstract "You have accessJournal of UrologyCME1 Apr 2023MP17-03 THE 17-GENE GENOMIC PROSTATE SCORE® ASSAY IS PROGNOSTIC FOR BIOCHEMICAL FAILURE IN MEN WITH LOCALIZED PROSTATE CANCER AFTER RADIATION THERAPY AT A COMMUNITY CANCER CENTER Daniel Canter, Caroline Branch, Joao Zambon, Jack Groskopf, Aimee Foreman, Amy Lehman, Varun Sama, David Edwards, and John Abran Daniel CanterDaniel Canter More articles by this author , Caroline BranchCaroline Branch More articles by this author , Joao ZambonJoao Zambon More articles by this author , Jack GroskopfJack Groskopf More articles by this author , Aimee ForemanAimee Foreman More articles by this author , Amy LehmanAmy Lehman More articles by this author , Varun SamaVarun Sama More articles by this author , David EdwardsDavid Edwards More articles by this author , and John AbranJohn Abran More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000003237.03AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: Genomic assays, which measure and evaluate biological characteristics from tumor biopsies, can more accurately stratify prostate cancer patients beyond conventional risk categories before definitive treatment. For higher-risk patients, a genomic assay is a valuable tool that can improve the decision- making for multimodal duration therapy. To assess the association between the Oncotype DX Genomic Prostate Score® (GPS™) assay and long-term outcomes in men with localized prostate cancer (PCa) after radiation therapy (RT). We hypothesized that the GPS assay is prognostic for biochemical failure (BCF), along with distant metastasis (DM) and PCa-related death (PCD) in PCa patients receiving RT. METHODS: We retrospectively studied men with localized PCa treated with definitive RT from 2010 to 2016. The primary objective was to assess the association between GPS results and time to BCF per the Phoenix criteria; we also evaluated time to DM and PCD. We used Cox proportional hazards regression models for all analyses, with clinicopathologic covariates determined a priori for multivariable modeling. RESULTS: A total of 450 patients (median age=65 years; 35% African American) met the eligibility criteria. There was a strong univariable association between GPS result and time to BCF (hazard ratio [HR] per 20-unit increase=3.08; 95% CI: 2.11-4.46; p<0.001) (Table 1), which persisted after adjusting for clinicopathologic characteristics in multivariable analyses. We also observed this association for time to DM (HR=5.19; 95% CI: 3.06-8.77; p<0.001) (Table 2) and PCD (HR=13.07, 95% CI: 4.42-49.39, p<0.001). Race was not a predictor of time to BCF or DM, and the GPS assay was strongly prognostic for all endpoints in African American and White patients. CONCLUSIONS: In a community-based cohort, the GPS assay was strongly prognostic for time to BCF as well as long-term outcomes in men given RT for localized prostate cancer. Source of Funding: Exact Sciences Corporation © 2023 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 209Issue Supplement 4April 2023Page: e213 Advertisement Copyright & Permissions© 2023 by American Urological Association Education and Research, Inc.MetricsAuthor Information Daniel Canter More articles by this author Caroline Branch More articles by this author Joao Zambon More articles by this author Jack Groskopf More articles by this author Aimee Foreman More articles by this author Amy Lehman More articles by this author Varun Sama More articles by this author David Edwards More articles by this author John Abran More articles by this author Expand All Advertisement PDF downloadLoading ..." @default.
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- W4360607739 date "2023-04-01" @default.
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- W4360607739 title "MP17-03 THE 17-GENE GENOMIC PROSTATE SCORE <sup>®</sup> ASSAY IS PROGNOSTIC FOR BIOCHEMICAL FAILURE IN MEN WITH LOCALIZED PROSTATE CANCER AFTER RADIATION THERAPY AT A COMMUNITY CANCER CENTER" @default.
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