Prospective multicenter real-world RAS mutation comparison between OncoBEAM-based liquid biopsy and tissue analysis in metastatic colorectal cancer

Background Liquid biopsy offers a minimally invasive alternative to tissue-based evaluation of mutational status in cancer. The goal of the present study was to evaluate the aggregate performance of OncoBEAM RAS mutation analysis in plasma of colorectal cancer (CRC) patients at 10 hospital laborator...

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Veröffentlicht in:British journal of cancer 2018-12, Vol.119 (12), p.1464-1470
Hauptverfasser: García-Foncillas, Jesús, Tabernero, Josep, Élez, Elena, Aranda, Enrique, Benavides, Manuel, Camps, Carlos, Jantus-Lewintre, Eloisa, López, Rafael, Muinelo-Romay, Laura, Montagut, Clara, Antón, Antonio, López, Guillermo, Díaz-Rubio, Eduardo, Rojo, Federico, Vivancos, Ana
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container_end_page 1470
container_issue 12
container_start_page 1464
container_title British journal of cancer
container_volume 119
creator García-Foncillas, Jesús
Tabernero, Josep
Élez, Elena
Aranda, Enrique
Benavides, Manuel
Camps, Carlos
Jantus-Lewintre, Eloisa
López, Rafael
Muinelo-Romay, Laura
Montagut, Clara
Antón, Antonio
López, Guillermo
Díaz-Rubio, Eduardo
Rojo, Federico
Vivancos, Ana
description Background Liquid biopsy offers a minimally invasive alternative to tissue-based evaluation of mutational status in cancer. The goal of the present study was to evaluate the aggregate performance of OncoBEAM RAS mutation analysis in plasma of colorectal cancer (CRC) patients at 10 hospital laboratories in Spain where this technology is routinely implemented. Methods Circulating cell-free DNA from plasma was examined for RAS mutations using the OncoBEAM platform at each hospital laboratory. Results were then compared to those obtained from DNA extracted from tumour tissue from the same patient. Results The overall percentage agreement between plasma-based and tissue-based RAS mutation testing of the 236 participants was 89% (210/236; kappa, 0.770 (95% CI: 0.689–0.852)). Re-analysis of tissue from all discordant cases by BEAMing revealed two false negative and five false positive tumour tissue RAS results, with a final concordance of 92%. Plasma false negative results were found more frequently in patients with exclusive lung metastatic disease. Conclusions In this first prospective real-world RAS mutation performance comparison study, a high overall agreement was observed between results obtained from plasma and tissue samples. Overall, these findings indicate that the plasma-based BEAMing assay is a viable solution for rapid delivery of RAS mutation status to determine mCRC patient eligibility for anti-EGFR therapy.
doi_str_mv 10.1038/s41416-018-0293-5
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The goal of the present study was to evaluate the aggregate performance of OncoBEAM RAS mutation analysis in plasma of colorectal cancer (CRC) patients at 10 hospital laboratories in Spain where this technology is routinely implemented. Methods Circulating cell-free DNA from plasma was examined for RAS mutations using the OncoBEAM platform at each hospital laboratory. Results were then compared to those obtained from DNA extracted from tumour tissue from the same patient. Results The overall percentage agreement between plasma-based and tissue-based RAS mutation testing of the 236 participants was 89% (210/236; kappa, 0.770 (95% CI: 0.689–0.852)). Re-analysis of tissue from all discordant cases by BEAMing revealed two false negative and five false positive tumour tissue RAS results, with a final concordance of 92%. Plasma false negative results were found more frequently in patients with exclusive lung metastatic disease. Conclusions In this first prospective real-world RAS mutation performance comparison study, a high overall agreement was observed between results obtained from plasma and tissue samples. Overall, these findings indicate that the plasma-based BEAMing assay is a viable solution for rapid delivery of RAS mutation status to determine mCRC patient eligibility for anti-EGFR therapy.</description><identifier>ISSN: 0007-0920</identifier><identifier>EISSN: 1532-1827</identifier><identifier>DOI: 10.1038/s41416-018-0293-5</identifier><identifier>PMID: 30467411</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Biomedical and Life Sciences ; Biomedicine ; Biopsy ; Cancer Research ; Cell-Free Nucleic Acids - blood ; Colorectal cancer ; Colorectal carcinoma ; Colorectal Neoplasms - genetics ; Colorectal Neoplasms - pathology ; Deoxyribonucleic acid ; DNA ; Drug Resistance ; Epidemiology ; Epidermal growth factor receptors ; ErbB Receptors - antagonists &amp; inhibitors ; Female ; Genes, ras ; Humans ; Laboratories ; Liquid Biopsy - methods ; Lung diseases ; Male ; Metastases ; Metastasis ; Middle Aged ; Molecular Medicine ; Mutation ; Neoplasm Metastasis ; Neoplastic Cells, Circulating ; Oncology ; Prospective Studies ; Tissue analysis ; Tissues ; Tumors</subject><ispartof>British journal of cancer, 2018-12, Vol.119 (12), p.1464-1470</ispartof><rights>The Author(s) 2018</rights><rights>2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c536t-eb787501f1885e8c5f78457fd869589af1aa4c0cbab1abc1fc5329f86e170243</citedby><cites>FETCH-LOGICAL-c536t-eb787501f1885e8c5f78457fd869589af1aa4c0cbab1abc1fc5329f86e170243</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6288144/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6288144/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,41464,42533,51294,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30467411$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>García-Foncillas, Jesús</creatorcontrib><creatorcontrib>Tabernero, Josep</creatorcontrib><creatorcontrib>Élez, Elena</creatorcontrib><creatorcontrib>Aranda, Enrique</creatorcontrib><creatorcontrib>Benavides, Manuel</creatorcontrib><creatorcontrib>Camps, Carlos</creatorcontrib><creatorcontrib>Jantus-Lewintre, Eloisa</creatorcontrib><creatorcontrib>López, Rafael</creatorcontrib><creatorcontrib>Muinelo-Romay, Laura</creatorcontrib><creatorcontrib>Montagut, Clara</creatorcontrib><creatorcontrib>Antón, Antonio</creatorcontrib><creatorcontrib>López, Guillermo</creatorcontrib><creatorcontrib>Díaz-Rubio, Eduardo</creatorcontrib><creatorcontrib>Rojo, Federico</creatorcontrib><creatorcontrib>Vivancos, Ana</creatorcontrib><title>Prospective multicenter real-world RAS mutation comparison between OncoBEAM-based liquid biopsy and tissue analysis in metastatic colorectal cancer</title><title>British journal of cancer</title><addtitle>Br J Cancer</addtitle><addtitle>Br J Cancer</addtitle><description>Background Liquid biopsy offers a minimally invasive alternative to tissue-based evaluation of mutational status in cancer. The goal of the present study was to evaluate the aggregate performance of OncoBEAM RAS mutation analysis in plasma of colorectal cancer (CRC) patients at 10 hospital laboratories in Spain where this technology is routinely implemented. Methods Circulating cell-free DNA from plasma was examined for RAS mutations using the OncoBEAM platform at each hospital laboratory. Results were then compared to those obtained from DNA extracted from tumour tissue from the same patient. Results The overall percentage agreement between plasma-based and tissue-based RAS mutation testing of the 236 participants was 89% (210/236; kappa, 0.770 (95% CI: 0.689–0.852)). Re-analysis of tissue from all discordant cases by BEAMing revealed two false negative and five false positive tumour tissue RAS results, with a final concordance of 92%. Plasma false negative results were found more frequently in patients with exclusive lung metastatic disease. 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The goal of the present study was to evaluate the aggregate performance of OncoBEAM RAS mutation analysis in plasma of colorectal cancer (CRC) patients at 10 hospital laboratories in Spain where this technology is routinely implemented. Methods Circulating cell-free DNA from plasma was examined for RAS mutations using the OncoBEAM platform at each hospital laboratory. Results were then compared to those obtained from DNA extracted from tumour tissue from the same patient. Results The overall percentage agreement between plasma-based and tissue-based RAS mutation testing of the 236 participants was 89% (210/236; kappa, 0.770 (95% CI: 0.689–0.852)). Re-analysis of tissue from all discordant cases by BEAMing revealed two false negative and five false positive tumour tissue RAS results, with a final concordance of 92%. Plasma false negative results were found more frequently in patients with exclusive lung metastatic disease. Conclusions In this first prospective real-world RAS mutation performance comparison study, a high overall agreement was observed between results obtained from plasma and tissue samples. Overall, these findings indicate that the plasma-based BEAMing assay is a viable solution for rapid delivery of RAS mutation status to determine mCRC patient eligibility for anti-EGFR therapy.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>30467411</pmid><doi>10.1038/s41416-018-0293-5</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Aged, 80 and over
Biomedical and Life Sciences
Biomedicine
Biopsy
Cancer Research
Cell-Free Nucleic Acids - blood
Colorectal cancer
Colorectal carcinoma
Colorectal Neoplasms - genetics
Colorectal Neoplasms - pathology
Deoxyribonucleic acid
DNA
Drug Resistance
Epidemiology
Epidermal growth factor receptors
ErbB Receptors - antagonists & inhibitors
Female
Genes, ras
Humans
Laboratories
Liquid Biopsy - methods
Lung diseases
Male
Metastases
Metastasis
Middle Aged
Molecular Medicine
Mutation
Neoplasm Metastasis
Neoplastic Cells, Circulating
Oncology
Prospective Studies
Tissue analysis
Tissues
Tumors
title Prospective multicenter real-world RAS mutation comparison between OncoBEAM-based liquid biopsy and tissue analysis in metastatic colorectal cancer
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