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Dynamics of multiple resistance mechanisms in plasma DNA during EGFR-targeted therapies in non-small cell lung cancer.

Identifieur interne : 000111 ( PubMed/Checkpoint ); précédent : 000110; suivant : 000112

Dynamics of multiple resistance mechanisms in plasma DNA during EGFR-targeted therapies in non-small cell lung cancer.

Auteurs : Dana Wai Yi Tsui [Royaume-Uni] ; Muhammed Murtaza [Royaume-Uni] ; Alvin Seng Cheong Wong [Singapour] ; Oscar M. Rueda [Royaume-Uni] ; Christopher G. Smith [Royaume-Uni] ; Dineika Chandrananda [Royaume-Uni] ; Ross A. Soo [Singapour] ; Hong Liang Lim [Singapour] ; Boon Cher Goh [Singapour] ; Carlos Caldas [Royaume-Uni] ; Tim Forshew [Royaume-Uni] ; Davina Gale [Royaume-Uni] ; Wei Liu [Royaume-Uni] ; James Morris [Royaume-Uni] ; Francesco Marass [Royaume-Uni] ; Tim Eisen [Royaume-Uni] ; Tan Min Chin [Singapour] ; Nitzan Rosenfeld [Singapour]

Source :

RBID : pubmed:29848757

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English descriptors

Abstract

Tumour heterogeneity leads to the development of multiple resistance mechanisms during targeted therapies. Identifying the dominant driver(s) is critical for treatment decision. We studied the relative dynamics of multiple oncogenic drivers in longitudinal plasma of 50 EGFR-mutant non-small-cell lung cancer patients receiving gefitinib and hydroxychloroquine. We performed digital PCR and targeted sequencing on samples from all patients and shallow whole-genome sequencing on samples from three patients who underwent histological transformation to small-cell lung cancer. In 43 patients with known EGFR mutations from tumour, we identified them accurately in plasma of 41 patients (95%, 41/43). We also found additional mutations, including EGFR T790M (31/50, 62%), TP53 (23/50, 46%), PIK3CA (7/50, 14%) and PTEN (4/50, 8%). Patients with both TP53 and EGFR mutations before treatment had worse overall survival than those with only EGFR Patients who progressed without T790M had worse PFS during TKI continuation and developed alternative alterations, including small-cell lung cancer-associated copy number changes and TP53 mutations, that tracked subsequent treatment responses. Longitudinal plasma analysis can help identify dominant resistance mechanisms, including non-druggable genetic information that may guide clinical management.

DOI: 10.15252/emmm.201707945
PubMed: 29848757


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pubmed:29848757

Le document en format XML

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<name sortKey="Morris, James" sort="Morris, James" uniqKey="Morris J" first="James" last="Morris">James Morris</name>
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<name sortKey="Marass, Francesco" sort="Marass, Francesco" uniqKey="Marass F" first="Francesco" last="Marass">Francesco Marass</name>
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<name sortKey="Eisen, Tim" sort="Eisen, Tim" uniqKey="Eisen T" first="Tim" last="Eisen">Tim Eisen</name>
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<name sortKey="Chin, Tan Min" sort="Chin, Tan Min" uniqKey="Chin T" first="Tan Min" last="Chin">Tan Min Chin</name>
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<title xml:lang="en">Dynamics of multiple resistance mechanisms in plasma DNA during EGFR-targeted therapies in non-small cell lung cancer.</title>
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<name sortKey="Tsui, Dana Wai Yi" sort="Tsui, Dana Wai Yi" uniqKey="Tsui D" first="Dana Wai Yi" last="Tsui">Dana Wai Yi Tsui</name>
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<orgName type="university">Université de Cambridge</orgName>
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<name sortKey="Murtaza, Muhammed" sort="Murtaza, Muhammed" uniqKey="Murtaza M" first="Muhammed" last="Murtaza">Muhammed Murtaza</name>
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<name sortKey="Wong, Alvin Seng Cheong" sort="Wong, Alvin Seng Cheong" uniqKey="Wong A" first="Alvin Seng Cheong" last="Wong">Alvin Seng Cheong Wong</name>
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<name sortKey="Smith, Christopher G" sort="Smith, Christopher G" uniqKey="Smith C" first="Christopher G" last="Smith">Christopher G. Smith</name>
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<name sortKey="Chandrananda, Dineika" sort="Chandrananda, Dineika" uniqKey="Chandrananda D" first="Dineika" last="Chandrananda">Dineika Chandrananda</name>
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<name sortKey="Soo, Ross A" sort="Soo, Ross A" uniqKey="Soo R" first="Ross A" last="Soo">Ross A. Soo</name>
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<name sortKey="Lim, Hong Liang" sort="Lim, Hong Liang" uniqKey="Lim H" first="Hong Liang" last="Lim">Hong Liang Lim</name>
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<name sortKey="Goh, Boon Cher" sort="Goh, Boon Cher" uniqKey="Goh B" first="Boon Cher" last="Goh">Boon Cher Goh</name>
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<nlm:affiliation>Department of Haematology-Oncology, National University Cancer Institute, National University Health System, Singapore, Singapore.</nlm:affiliation>
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<name sortKey="Caldas, Carlos" sort="Caldas, Carlos" uniqKey="Caldas C" first="Carlos" last="Caldas">Carlos Caldas</name>
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<name sortKey="Forshew, Tim" sort="Forshew, Tim" uniqKey="Forshew T" first="Tim" last="Forshew">Tim Forshew</name>
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<nlm:affiliation>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.</nlm:affiliation>
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<wicri:regionArea>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
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<name sortKey="Gale, Davina" sort="Gale, Davina" uniqKey="Gale D" first="Davina" last="Gale">Davina Gale</name>
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<nlm:affiliation>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.</nlm:affiliation>
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<wicri:regionArea>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge</wicri:regionArea>
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<name sortKey="Liu, Wei" sort="Liu, Wei" uniqKey="Liu W" first="Wei" last="Liu">Wei Liu</name>
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<name sortKey="Morris, James" sort="Morris, James" uniqKey="Morris J" first="James" last="Morris">James Morris</name>
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<name sortKey="Marass, Francesco" sort="Marass, Francesco" uniqKey="Marass F" first="Francesco" last="Marass">Francesco Marass</name>
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<name sortKey="Eisen, Tim" sort="Eisen, Tim" uniqKey="Eisen T" first="Tim" last="Eisen">Tim Eisen</name>
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<name sortKey="Chin, Tan Min" sort="Chin, Tan Min" uniqKey="Chin T" first="Tan Min" last="Chin">Tan Min Chin</name>
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<nlm:affiliation>Department of Haematology-Oncology, National University Cancer Institute, National University Health System, Singapore, Singapore csictm@nus.edu.sg nitzan.rosenfeld@cruk.cam.ac.uk.</nlm:affiliation>
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<author>
<name sortKey="Rosenfeld, Nitzan" sort="Rosenfeld, Nitzan" uniqKey="Rosenfeld N" first="Nitzan" last="Rosenfeld">Nitzan Rosenfeld</name>
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<nlm:affiliation>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK csictm@nus.edu.sg nitzan.rosenfeld@cruk.cam.ac.uk.</nlm:affiliation>
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<title level="j">EMBO molecular medicine</title>
<idno type="eISSN">1757-4684</idno>
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<term>Antineoplastic Agents (therapeutic use)</term>
<term>Carcinoma, Non-Small-Cell Lung (drug therapy)</term>
<term>Carcinoma, Non-Small-Cell Lung (genetics)</term>
<term>Carcinoma, Non-Small-Cell Lung (pathology)</term>
<term>DNA Copy Number Variations</term>
<term>DNA Mutational Analysis</term>
<term>DNA, Neoplasm (blood)</term>
<term>Drug Resistance, Neoplasm (genetics)</term>
<term>ErbB Receptors (genetics)</term>
<term>Gefitinib (therapeutic use)</term>
<term>Humans</term>
<term>Hydroxychloroquine (therapeutic use)</term>
<term>Longitudinal Studies</term>
<term>Lung Neoplasms (drug therapy)</term>
<term>Lung Neoplasms (genetics)</term>
<term>Lung Neoplasms (pathology)</term>
<term>Mutation</term>
<term>Prognosis</term>
<term>Survival Analysis</term>
<term>Treatment Outcome</term>
<term>Tumor Suppressor Protein p53 (chemistry)</term>
<term>Tumor Suppressor Protein p53 (genetics)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>ADN tumoral (sang)</term>
<term>Analyse de mutations d'ADN</term>
<term>Analyse de survie</term>
<term>Antinéoplasiques (usage thérapeutique)</term>
<term>Carcinome pulmonaire non à petites cellules (anatomopathologie)</term>
<term>Carcinome pulmonaire non à petites cellules (génétique)</term>
<term>Carcinome pulmonaire non à petites cellules (traitement médicamenteux)</term>
<term>Humains</term>
<term>Hydroxychloroquine (usage thérapeutique)</term>
<term>Mutation</term>
<term>Pronostic</term>
<term>Protéine p53 suppresseur de tumeur ()</term>
<term>Protéine p53 suppresseur de tumeur (génétique)</term>
<term>Récepteurs ErbB (génétique)</term>
<term>Résistance aux médicaments antinéoplasiques (génétique)</term>
<term>Résultat thérapeutique</term>
<term>Tumeurs du poumon (anatomopathologie)</term>
<term>Tumeurs du poumon (génétique)</term>
<term>Tumeurs du poumon (traitement médicamenteux)</term>
<term>Variations de nombre de copies de segment d'ADN</term>
<term>Études longitudinales</term>
</keywords>
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<term>DNA, Neoplasm</term>
</keywords>
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<term>Tumor Suppressor Protein p53</term>
</keywords>
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<term>ErbB Receptors</term>
<term>Tumor Suppressor Protein p53</term>
</keywords>
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<term>Antineoplastic Agents</term>
<term>Gefitinib</term>
<term>Hydroxychloroquine</term>
</keywords>
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<term>Carcinome pulmonaire non à petites cellules</term>
<term>Tumeurs du poumon</term>
</keywords>
<keywords scheme="MESH" qualifier="drug therapy" xml:lang="en">
<term>Carcinoma, Non-Small-Cell Lung</term>
<term>Lung Neoplasms</term>
</keywords>
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<term>Carcinoma, Non-Small-Cell Lung</term>
<term>Drug Resistance, Neoplasm</term>
<term>Lung Neoplasms</term>
</keywords>
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<term>Carcinome pulmonaire non à petites cellules</term>
<term>Protéine p53 suppresseur de tumeur</term>
<term>Récepteurs ErbB</term>
<term>Résistance aux médicaments antinéoplasiques</term>
<term>Tumeurs du poumon</term>
</keywords>
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<term>Carcinoma, Non-Small-Cell Lung</term>
<term>Lung Neoplasms</term>
</keywords>
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<term>ADN tumoral</term>
</keywords>
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<term>Carcinome pulmonaire non à petites cellules</term>
<term>Tumeurs du poumon</term>
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<term>Antinéoplasiques</term>
<term>Hydroxychloroquine</term>
</keywords>
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<term>DNA Copy Number Variations</term>
<term>DNA Mutational Analysis</term>
<term>Humans</term>
<term>Longitudinal Studies</term>
<term>Mutation</term>
<term>Prognosis</term>
<term>Survival Analysis</term>
<term>Treatment Outcome</term>
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<term>Analyse de survie</term>
<term>Humains</term>
<term>Mutation</term>
<term>Pronostic</term>
<term>Protéine p53 suppresseur de tumeur</term>
<term>Résultat thérapeutique</term>
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<front>
<div type="abstract" xml:lang="en">Tumour heterogeneity leads to the development of multiple resistance mechanisms during targeted therapies. Identifying the dominant driver(s) is critical for treatment decision. We studied the relative dynamics of multiple oncogenic drivers in longitudinal plasma of 50
<i>EGFR</i>
-mutant non-small-cell lung cancer patients receiving gefitinib and hydroxychloroquine. We performed digital PCR and targeted sequencing on samples from all patients and shallow whole-genome sequencing on samples from three patients who underwent histological transformation to small-cell lung cancer. In 43 patients with known EGFR mutations from tumour, we identified them accurately in plasma of 41 patients (95%, 41/43). We also found additional mutations, including
<i>EGFR</i>
T790M (31/50, 62%),
<i>TP53</i>
(23/50, 46%),
<i>PIK3CA</i>
(7/50, 14%) and
<i>PTEN</i>
(4/50, 8%). Patients with both
<i>TP53</i>
and
<i>EGFR</i>
mutations before treatment had worse overall survival than those with only
<i>EGFR</i>
Patients who progressed without T790M had worse PFS during TKI continuation and developed alternative alterations, including small-cell lung cancer-associated copy number changes and
<i>TP53</i>
mutations, that tracked subsequent treatment responses. Longitudinal plasma analysis can help identify dominant resistance mechanisms, including non-druggable genetic information that may guide clinical management.</div>
</front>
</TEI>
<pubmed>
<MedlineCitation Status="MEDLINE" Owner="NLM">
<PMID Version="1">29848757</PMID>
<DateCompleted>
<Year>2019</Year>
<Month>04</Month>
<Day>23</Day>
</DateCompleted>
<DateRevised>
<Year>2019</Year>
<Month>04</Month>
<Day>23</Day>
</DateRevised>
<Article PubModel="Print">
<Journal>
<ISSN IssnType="Electronic">1757-4684</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>10</Volume>
<Issue>6</Issue>
<PubDate>
<Year>2018</Year>
<Month>06</Month>
</PubDate>
</JournalIssue>
<Title>EMBO molecular medicine</Title>
<ISOAbbreviation>EMBO Mol Med</ISOAbbreviation>
</Journal>
<ArticleTitle>Dynamics of multiple resistance mechanisms in plasma DNA during EGFR-targeted therapies in non-small cell lung cancer.</ArticleTitle>
<ELocationID EIdType="pii" ValidYN="Y">e7945</ELocationID>
<ELocationID EIdType="doi" ValidYN="Y">10.15252/emmm.201707945</ELocationID>
<Abstract>
<AbstractText>Tumour heterogeneity leads to the development of multiple resistance mechanisms during targeted therapies. Identifying the dominant driver(s) is critical for treatment decision. We studied the relative dynamics of multiple oncogenic drivers in longitudinal plasma of 50
<i>EGFR</i>
-mutant non-small-cell lung cancer patients receiving gefitinib and hydroxychloroquine. We performed digital PCR and targeted sequencing on samples from all patients and shallow whole-genome sequencing on samples from three patients who underwent histological transformation to small-cell lung cancer. In 43 patients with known EGFR mutations from tumour, we identified them accurately in plasma of 41 patients (95%, 41/43). We also found additional mutations, including
<i>EGFR</i>
T790M (31/50, 62%),
<i>TP53</i>
(23/50, 46%),
<i>PIK3CA</i>
(7/50, 14%) and
<i>PTEN</i>
(4/50, 8%). Patients with both
<i>TP53</i>
and
<i>EGFR</i>
mutations before treatment had worse overall survival than those with only
<i>EGFR</i>
Patients who progressed without T790M had worse PFS during TKI continuation and developed alternative alterations, including small-cell lung cancer-associated copy number changes and
<i>TP53</i>
mutations, that tracked subsequent treatment responses. Longitudinal plasma analysis can help identify dominant resistance mechanisms, including non-druggable genetic information that may guide clinical management.</AbstractText>
<CopyrightInformation>© 2018 The Authors. Published under the terms of the CC BY 4.0 license.</CopyrightInformation>
</Abstract>
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<LastName>Tsui</LastName>
<ForeName>Dana Wai Yi</ForeName>
<Initials>DWY</Initials>
<Identifier Source="ORCID">0000-0002-0595-6664</Identifier>
<AffiliationInfo>
<Affiliation>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Cancer Research UK Major Center - Cambridge, Cambridge, UK.</Affiliation>
</AffiliationInfo>
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<ForeName>Muhammed</ForeName>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Cancer Research UK Major Center - Cambridge, Cambridge, UK.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Oncology, University of Cambridge, Cambridge, UK.</Affiliation>
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</Author>
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<ForeName>Alvin Seng Cheong</ForeName>
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</AffiliationInfo>
<AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
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<AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Oncology, University of Cambridge, Cambridge, UK.</Affiliation>
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<AffiliationInfo>
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</AffiliationInfo>
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<AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
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<LastName>Liu</LastName>
<ForeName>Wei</ForeName>
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<AffiliationInfo>
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<AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Oncology Early Clinical Development, AstraZeneca, Cambridge, UK.</Affiliation>
</AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Cancer Science Institute, Centre for Translational Medicine, National University of Singapore, Singapore, Singapore.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Raffles Cancer Centre, Raffles Hospital, Singapore, Singapore.</Affiliation>
</AffiliationInfo>
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<Affiliation>Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK csictm@nus.edu.sg nitzan.rosenfeld@cruk.cam.ac.uk.</Affiliation>
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<GrantID>337905</GrantID>
<Agency>European Research Council</Agency>
<Country>International</Country>
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<Grant>
<GrantID>A11906</GrantID>
<Agency>Cancer Research UK</Agency>
<Country>United Kingdom</Country>
</Grant>
<Grant>
<GrantID>A20240</GrantID>
<Agency>Cancer Research UK</Agency>
<Country>United Kingdom</Country>
</Grant>
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<MeshHeading>
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<MeshHeading>
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<MeshHeading>
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<MeshHeading>
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<Reference>
<Citation>N Engl J Med. 2015 Apr 30;372(18):1700-9</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25923550</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Genome Med. 2013 Apr 05;5(4):30</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">23561577</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Genome Res. 2014 Dec;24(12):2022-32</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25236618</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nature. 2017 Apr 26;545(7655):446-451</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28445469</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Chem. 2010 Apr;56(4):623-32</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">20207772</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>BMC Cancer. 2014 Apr 28;14:294</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">24773774</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Biotechnol. 2016 May;34(5):547-555</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">27018799</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Sci Transl Med. 2015 Apr 15;7(283):283ra54</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25877892</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Ther Adv Med Oncol. 2011 Nov;3(1 Suppl):S21-35</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">22128285</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Sci Transl Med. 2012 May 30;4(136):136ra68</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">22649089</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Commun. 2016 Jun 10;7:11815</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">27283993</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2015 Jul 15;21(14):3196-203</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25829397</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Lung Cancer. 2017 Sep;111:23-29</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28838393</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2014 Sep 1;20(17 ):4613-24</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25013125</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>J Clin Oncol. 2016 Oct 1;34(28):3375-82</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">27354477</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Rev Clin Oncol. 2014 Aug;11(8):473-81</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">24981256</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Bioinformatics. 2007 Mar 15;23(6):657-63</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">17234643</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2013 Apr 15;19(8):2240-7</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">23470965</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>N Engl J Med. 2017 Jun 1;376(22):2109-2121</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28445112</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2014 Mar 15;20(6):1698-1705</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">24429876</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2009 Mar 15;15(6):2076-84</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">19276259</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2011 Mar 15;17(6):1616-22</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">21135146</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Bioinformatics. 2007 Apr 1;23(7):892-4</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">17267432</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Science. 2004 Jun 4;304(5676):1497-500</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">15118125</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>N Engl J Med. 2015 Apr 30;372(18):1689-99</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25923549</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>N Engl J Med. 2004 May 20;350(21):2129-39</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">15118073</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nature. 2015 Aug 6;524(7563):47-53</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">26168399</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Cancer Discov. 2015 Jul;5(7):713-22</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25934077</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>J Thorac Oncol. 2014 Sep;9(9):1345-53</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25122430</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>PLoS Med. 2016 Dec 20;13(12 ):e1002198</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">27997533</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>J Clin Oncol. 2017 Sep 10;35(26):3065-3074</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28498782</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Sci Transl Med. 2011 Mar 23;3(75):75ra26</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">21430269</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Oncotarget. 2017 Mar 14;8(11):18590-18608</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28099915</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Clin Cancer Res. 2016 Feb 15;22(4):915-22</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">26459174</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Transl Lung Cancer Res. 2016 Feb;5(1):2-15</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">26958489</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>PLoS Med. 2016 Dec 27;13(12 ):e1002199</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28027313</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Commun. 2015 Mar 11;6:6377</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">25758528</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Rev Cancer. 2017 Apr;17 (4):223-238</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28233803</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>JCO Precis Oncol. 2017 Jul;2017:null</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28890946</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Ann Oncol. 2017 Apr 1;28(4):784-790</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">28104619</ArticleId>
</ArticleIdList>
</Reference>
<Reference>
<Citation>Nat Med. 2014 May;20(5):548-54</Citation>
<ArticleIdList>
<ArticleId IdType="pubmed">24705333</ArticleId>
</ArticleIdList>
</Reference>
</ReferenceList>
</PubmedData>
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