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Davis, William; Makar, Gabriel; Kubicek, Greg J.
Journal of clinical oncology, 05/2019, Letnik: 37, Številka: 15_supplJournal Article
Abstract only e13136 Background: Next Generation Sequencing (NGS) is increasingly used to identify actionable mutations for oncology treatment. We examined the results of NGS at our institution. Methods: We retrospectively reviewed the medical charts of 305 consecutive patients who had genomic testing performed on tumor samples from March 2014 to April 2017. Next Generation Sequencing was performed by Foundation One testing. Results: Of the 305 tissue samples sent to Foundation One, 189 reports were potentially usable. Reports were unusable due to an insufficient quantity of tissue (43), inadequate follow-up (32), cessation of oncologic care due to transferring to hospice or expiring (32), or a report not being generated due to the order being cancelled (4) or undocumented reasons (5). Of the 189 usable reports, 76 (40.21%) demonstrated an aberration targetable by on-label therapies, 126 (66.67%) via off-label therapies (66 of these had no available on-label treatment), and 170 (89.94%) revealed actionable aberrations via all potential avenues, including clinical trials. 19 (6.2%) yielded a change in management, 6 of these changes were utilizing on-label therapies, 6 were via off-label therapies, 3 were via enrollment in a clinical trial, and 4 involved discontinuing a medication with a predicted poor response. For the 6 patients with off-label use, median duration of treatment was 46 days and discontinued secondary to death (3 patients) or progression (3 patients). Conclusions: Only a minority of NGS assay results (6.2% percent of all tests ordered and 10% of useable tests) resulted in a management change. A small minority (6 patients, 1.9%) were started on off-label therapy based on NSG results and overall had poor responses to off-label treatment. While in theory NGS may improve oncology outcome, the results of our initial 305 patients who had NGS was poor.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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