We have designed a highly sensitive assay based on the Safe-SeqS technology to detect de novo mutations in the KIT gene and tested its performance. This assay was applied to plasma samples of GIST patients before and after treatment with regorafenib (GRID III trial) and mutations at known and novel sites of potential secondary resistance were identified.

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http://dx.doi.org/10.1007/978-3-319-42044-8_34DOI Listing

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