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首页> 外文期刊>JCO Oncology Practice >Utilization, Timing, and Outcomes of BRCA Genetic Testing Among Women With Newly Diagnosed Breast Cancer From a National Commercially Insured Population: The ABOARD Study
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Utilization, Timing, and Outcomes of BRCA Genetic Testing Among Women With Newly Diagnosed Breast Cancer From a National Commercially Insured Population: The ABOARD Study

机译:Utilization, Timing, and Outcomes of BRCA Genetic Testing Among Women With Newly Diagnosed Breast Cancer From a National Commercially Insured Population: The ABOARD Study

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PURPOSE To evaluate timing and outcomes of BRCA testing and definitive surgical treatment among patients with newly diagnosed breast cancer. METHODS Patient-reported (n = 1,381) and deidentified health-plan (n = 2,369) data were analyzed from a consecutive national series of 3,750 women whose healthcare providers ordered BRCA testing between March 2014 and June 2015, within 1 year following breast cancer diagnosis. RESULTS Among 1,209 respondents, 54.4% received the genetic test results presurgery, 23.2% tested presurgery but received the results postsurgery, and 22.3% tested postsurgery. Patients aware of mutation-positive results presurgery were more likely to choose bilateral mastectomy (BLM) (n = 32/37) compared with patients who learned of positive results postsurgery (n = 14/32), (odds ratio [OR] = 8.23, 95% CI = 2.55 to 26.59, P 50 tested presurgery, those unaware of negative results presurgery were more likely to choose BLM (n = 28/81) compared with those aware of negative results (n = 32/168) (OR = 2.25, 95% CI = 1.23 to 4.08, negative results awareness x age interaction, and P = .007). CONCLUSION Nearly half of participants did not receive BRCA results presurgery, which limited their ability to make fully informed surgical treatment decisions. This may represent suboptimal care for unaware mutation-positive patients compared with those who were aware presurgery. Women. 50 who test negative are significantly less likely to choose BLM, a costly surgery that does not confer survival advantage, if they are aware of negative results presurgery. These results have important implications for quality of care and costs in the US health system. (C) 2020 by American Society of Clinical Oncology

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