Automated RNA Extraction from Plasma Analytically Validated

Results suggest that the automated method performed at least equivalently to the established manual method on all measures in the study, including quality and yield of mRNA from analytic blood samples.

The GeneStrat test (Biodesix, Boulder, CO, USA) is a blood-based genomic test for patients with lung cancer that can inform the use of targeted therapies; test results are available within 72 hours. The test delivers results for EGFR sensitizing; EGFR resistance (T790M), KRAS, and BRAF mutations; and EML4-ALK, ROS1 and RETS fusion variants. The liquid biopsy test measures circulating tumor DNA and RNA with a highly-sensitive droplet digital PCR (ddPCR) platform.

Gary Pestano, PhD, Vice President of Development and Operations at Biodesix, said, “As molecular testing becomes the standard in oncology, automation will be increasingly important to help us maintain the high quality of our test results and continue to meet our industry-leading 72-hour turnaround time. The data presented suggest that it is possible to automate testing without sacrificing performance. They represent one of many evaluations we are conducting to assess potential automation methods for the Biodesix Lung Reflex with both our GeneStrat and VeriStrat tests.” The study was presented at the Association for Molecular Pathology Annual Meeting held November 16-18, 2017, in Salt Lake City, UT, USA.

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