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Phase I Dose-Escalation and -Expansion Study of the BRAF Inhibitor Encorafenib (LGX818) in Metastatic BRAF-Mutant Melanoma.

Identifieur interne : 000619 ( Main/Exploration ); précédent : 000618; suivant : 000620

Phase I Dose-Escalation and -Expansion Study of the BRAF Inhibitor Encorafenib (LGX818) in Metastatic BRAF-Mutant Melanoma.

Auteurs : Jean-Pierre Delord [France] ; Caroline Robert [France] ; Marta Nyakas [Norvège] ; Grant A. Mcarthur [Australie] ; Ragini Kudchakar [Géorgie (pays)] ; Amit Mahipal [États-Unis] ; Yasuhide Yamada [Japon] ; Ryan Sullivan [États-Unis] ; Ana Arance [Espagne] ; Richard F. Kefford [Australie] ; Matteo S. Carlino [Australie] ; Manuel Hidalgo [Espagne] ; Carlos Gomez-Roca [France] ; Daniela Michel [Suisse] ; Abdelkader Seroutou [Suisse] ; Vassilios Aslanis [Suisse] ; Giordano Caponigro [États-Unis] ; Darrin D. Stuart [États-Unis] ; Laure Moutouh-De Parseval [Suisse] ; Tim Demuth [Suisse] ; Reinhard Dummer [Suisse]

Source :

RBID : pubmed:28611198

Abstract

Purpose: Encorafenib, a selective BRAF inhibitor (BRAFi), has a pharmacologic profile that is distinct from that of other clinically active BRAFis. We evaluated encorafenib in a phase I study in patients with BRAFi treatment-naïve and pretreated BRAF-mutant melanoma.Experimental Design: The pharmacologic activity of encorafenib was first characterized preclinically. Encorafenib monotherapy was then tested across a range of once-daily (50-700 mg) or twice-daily (75-150 mg) regimens in a phase I, open-label, dose-escalation and -expansion study in adult patients with histologically confirmed advanced/metastatic BRAF-mutant melanoma. Study objectives were to determine the maximum tolerated dose (MTD) and/or recommended phase II dose (RP2D), characterize the safety and tolerability and pharmacokinetic profile, and assess the preliminary antitumor activity of encorafenib.Results: Preclinical data demonstrated that encorafenib inhibited BRAF V600E kinase activity with a prolonged off-rate and suppressed proliferation and tumor growth of BRAF V600E-mutant melanoma models. In the dose-escalation phase, 54 patients (29 BRAFi-pretreated and 25 BRAFi-naïve) were enrolled. Seven patients in the dose-determining set experienced dose-limiting toxicities. Encorafenib at a dose of 300 mg once daily was declared the RP2D. In the expansion phase, the most common all-cause adverse events were nausea (66%), myalgia (63%), and palmar-plantar erythrodysesthesia (54%). In BRAFi-naïve patients, the overall response rate (ORR) and median progression-free survival (mPFS) were 60% and 12.4 months [95% confidence interval (CI), 7.4-not reached (NR)]. In BRAFi-pretreated patients, the ORR and mPFS were 22% and 1.9 months (95% CI, 0.9-3.7).Conclusions: Once-daily dosing of single-agent encorafenib had a distinct tolerability profile and showed varying antitumor activity across BRAFi-pretreated and BRAFi-naïve patients with advanced/metastatic melanoma. Clin Cancer Res; 23(18); 5339-48. ©2017 AACR.

DOI: 10.1158/1078-0432.CCR-16-2923
PubMed: 28611198


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Le document en format XML

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<name sortKey="Gomez Roca, Carlos" sort="Gomez Roca, Carlos" uniqKey="Gomez Roca C" first="Carlos" last="Gomez-Roca">Carlos Gomez-Roca</name>
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<name sortKey="Michel, Daniela" sort="Michel, Daniela" uniqKey="Michel D" first="Daniela" last="Michel">Daniela Michel</name>
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<name sortKey="Seroutou, Abdelkader" sort="Seroutou, Abdelkader" uniqKey="Seroutou A" first="Abdelkader" last="Seroutou">Abdelkader Seroutou</name>
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<name sortKey="Aslanis, Vassilios" sort="Aslanis, Vassilios" uniqKey="Aslanis V" first="Vassilios" last="Aslanis">Vassilios Aslanis</name>
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<name sortKey="Caponigro, Giordano" sort="Caponigro, Giordano" uniqKey="Caponigro G" first="Giordano" last="Caponigro">Giordano Caponigro</name>
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<name sortKey="Stuart, Darrin D" sort="Stuart, Darrin D" uniqKey="Stuart D" first="Darrin D" last="Stuart">Darrin D. Stuart</name>
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<name sortKey="Moutouh De Parseval, Laure" sort="Moutouh De Parseval, Laure" uniqKey="Moutouh De Parseval L" first="Laure" last="Moutouh-De Parseval">Laure Moutouh-De Parseval</name>
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<name sortKey="Demuth, Tim" sort="Demuth, Tim" uniqKey="Demuth T" first="Tim" last="Demuth">Tim Demuth</name>
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<name sortKey="Dummer, Reinhard" sort="Dummer, Reinhard" uniqKey="Dummer R" first="Reinhard" last="Dummer">Reinhard Dummer</name>
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<title xml:lang="en">Phase I Dose-Escalation and -Expansion Study of the BRAF Inhibitor Encorafenib (LGX818) in Metastatic BRAF-Mutant Melanoma.</title>
<author>
<name sortKey="Delord, Jean Pierre" sort="Delord, Jean Pierre" uniqKey="Delord J" first="Jean-Pierre" last="Delord">Jean-Pierre Delord</name>
<affiliation wicri:level="3">
<nlm:affiliation>Institut Universitaire du Cancer, Toulouse, France. delord.jean-pierre@iuct-oncopole.fr.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Institut Universitaire du Cancer, Toulouse</wicri:regionArea>
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<region type="region">Occitanie (région administrative)</region>
<region type="old region">Midi-Pyrénées</region>
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<name sortKey="Robert, Caroline" sort="Robert, Caroline" uniqKey="Robert C" first="Caroline" last="Robert">Caroline Robert</name>
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<nlm:affiliation>Gustave Roussy and Paris-Sud University, Villejuif, France.</nlm:affiliation>
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<name sortKey="Kudchakar, Ragini" sort="Kudchakar, Ragini" uniqKey="Kudchakar R" first="Ragini" last="Kudchakar">Ragini Kudchakar</name>
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<name sortKey="Mahipal, Amit" sort="Mahipal, Amit" uniqKey="Mahipal A" first="Amit" last="Mahipal">Amit Mahipal</name>
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<name sortKey="Yamada, Yasuhide" sort="Yamada, Yasuhide" uniqKey="Yamada Y" first="Yasuhide" last="Yamada">Yasuhide Yamada</name>
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<name sortKey="Sullivan, Ryan" sort="Sullivan, Ryan" uniqKey="Sullivan R" first="Ryan" last="Sullivan">Ryan Sullivan</name>
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<nlm:affiliation>Massachusetts General Hospital, Boston, Massachusetts.</nlm:affiliation>
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<name sortKey="Arance, Ana" sort="Arance, Ana" uniqKey="Arance A" first="Ana" last="Arance">Ana Arance</name>
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<name sortKey="Kefford, Richard F" sort="Kefford, Richard F" uniqKey="Kefford R" first="Richard F" last="Kefford">Richard F. Kefford</name>
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<name sortKey="Carlino, Matteo S" sort="Carlino, Matteo S" uniqKey="Carlino M" first="Matteo S" last="Carlino">Matteo S. Carlino</name>
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<nlm:affiliation>Crown Princess Mary Cancer Centre Westmead Hospital, Melanoma Institute Australia, University of Sydney, Sydney, New South Wales, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>Crown Princess Mary Cancer Centre Westmead Hospital, Melanoma Institute Australia, University of Sydney, Sydney, New South Wales</wicri:regionArea>
<orgName type="university">Université de Sydney</orgName>
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<settlement type="city">Sydney</settlement>
<region type="état">Nouvelle-Galles du Sud</region>
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<name sortKey="Hidalgo, Manuel" sort="Hidalgo, Manuel" uniqKey="Hidalgo M" first="Manuel" last="Hidalgo">Manuel Hidalgo</name>
<affiliation wicri:level="3">
<nlm:affiliation>Spanish National Cancer Research Centre (CNIO) and Centro Integral Oncologico Clara Campal, Madrid, Spain.</nlm:affiliation>
<country xml:lang="fr">Espagne</country>
<wicri:regionArea>Spanish National Cancer Research Centre (CNIO) and Centro Integral Oncologico Clara Campal, Madrid</wicri:regionArea>
<placeName>
<settlement type="city">Madrid</settlement>
<region nuts="2" type="region">Communauté de Madrid</region>
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</affiliation>
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<name sortKey="Gomez Roca, Carlos" sort="Gomez Roca, Carlos" uniqKey="Gomez Roca C" first="Carlos" last="Gomez-Roca">Carlos Gomez-Roca</name>
<affiliation wicri:level="3">
<nlm:affiliation>Institut Universitaire du Cancer, Toulouse, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Institut Universitaire du Cancer, Toulouse</wicri:regionArea>
<placeName>
<region type="region">Occitanie (région administrative)</region>
<region type="old region">Midi-Pyrénées</region>
<settlement type="city">Toulouse</settlement>
</placeName>
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</author>
<author>
<name sortKey="Michel, Daniela" sort="Michel, Daniela" uniqKey="Michel D" first="Daniela" last="Michel">Daniela Michel</name>
<affiliation wicri:level="1">
<nlm:affiliation>Novartis Pharma AG, Basel, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Novartis Pharma AG, Basel</wicri:regionArea>
<wicri:noRegion>Basel</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Seroutou, Abdelkader" sort="Seroutou, Abdelkader" uniqKey="Seroutou A" first="Abdelkader" last="Seroutou">Abdelkader Seroutou</name>
<affiliation wicri:level="1">
<nlm:affiliation>Novartis Pharma AG, Basel, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Novartis Pharma AG, Basel</wicri:regionArea>
<wicri:noRegion>Basel</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Aslanis, Vassilios" sort="Aslanis, Vassilios" uniqKey="Aslanis V" first="Vassilios" last="Aslanis">Vassilios Aslanis</name>
<affiliation wicri:level="1">
<nlm:affiliation>Novartis Pharma AG, Basel, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Novartis Pharma AG, Basel</wicri:regionArea>
<wicri:noRegion>Basel</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Caponigro, Giordano" sort="Caponigro, Giordano" uniqKey="Caponigro G" first="Giordano" last="Caponigro">Giordano Caponigro</name>
<affiliation wicri:level="2">
<nlm:affiliation>Novartis Institutes for Biomedical Research, Cambridge, Massachusetts.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<placeName>
<region type="state">Massachusetts</region>
</placeName>
<wicri:cityArea>Novartis Institutes for Biomedical Research, Cambridge</wicri:cityArea>
</affiliation>
</author>
<author>
<name sortKey="Stuart, Darrin D" sort="Stuart, Darrin D" uniqKey="Stuart D" first="Darrin D" last="Stuart">Darrin D. Stuart</name>
<affiliation wicri:level="2">
<nlm:affiliation>Novartis Institutes for Biomedical Research, Cambridge, Massachusetts.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<placeName>
<region type="state">Massachusetts</region>
</placeName>
<wicri:cityArea>Novartis Institutes for Biomedical Research, Cambridge</wicri:cityArea>
</affiliation>
</author>
<author>
<name sortKey="Moutouh De Parseval, Laure" sort="Moutouh De Parseval, Laure" uniqKey="Moutouh De Parseval L" first="Laure" last="Moutouh-De Parseval">Laure Moutouh-De Parseval</name>
<affiliation wicri:level="1">
<nlm:affiliation>Novartis Pharma AG, Basel, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Novartis Pharma AG, Basel</wicri:regionArea>
<wicri:noRegion>Basel</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Demuth, Tim" sort="Demuth, Tim" uniqKey="Demuth T" first="Tim" last="Demuth">Tim Demuth</name>
<affiliation wicri:level="1">
<nlm:affiliation>Novartis Pharma AG, Basel, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Novartis Pharma AG, Basel</wicri:regionArea>
<wicri:noRegion>Basel</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Dummer, Reinhard" sort="Dummer, Reinhard" uniqKey="Dummer R" first="Reinhard" last="Dummer">Reinhard Dummer</name>
<affiliation wicri:level="1">
<nlm:affiliation>University Hospital Zurich, Zurich, Switzerland.</nlm:affiliation>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>University Hospital Zurich, Zurich</wicri:regionArea>
<wicri:noRegion>Zurich</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series>
<title level="j">Clinical cancer research : an official journal of the American Association for Cancer Research</title>
<idno type="ISSN">1078-0432</idno>
<imprint>
<date when="2017" type="published">2017</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc>
<textClass></textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Purpose: Encorafenib, a selective BRAF inhibitor (BRAFi), has a pharmacologic profile that is distinct from that of other clinically active BRAFis. We evaluated encorafenib in a phase I study in patients with BRAFi treatment-naïve and pretreated BRAF-mutant melanoma.Experimental Design: The pharmacologic activity of encorafenib was first characterized preclinically. Encorafenib monotherapy was then tested across a range of once-daily (50-700 mg) or twice-daily (75-150 mg) regimens in a phase I, open-label, dose-escalation and -expansion study in adult patients with histologically confirmed advanced/metastatic BRAF-mutant melanoma. Study objectives were to determine the maximum tolerated dose (MTD) and/or recommended phase II dose (RP2D), characterize the safety and tolerability and pharmacokinetic profile, and assess the preliminary antitumor activity of encorafenib.Results: Preclinical data demonstrated that encorafenib inhibited BRAF V600E kinase activity with a prolonged off-rate and suppressed proliferation and tumor growth of BRAF V600E-mutant melanoma models. In the dose-escalation phase, 54 patients (29 BRAFi-pretreated and 25 BRAFi-naïve) were enrolled. Seven patients in the dose-determining set experienced dose-limiting toxicities. Encorafenib at a dose of 300 mg once daily was declared the RP2D. In the expansion phase, the most common all-cause adverse events were nausea (66%), myalgia (63%), and palmar-plantar erythrodysesthesia (54%). In BRAFi-naïve patients, the overall response rate (ORR) and median progression-free survival (mPFS) were 60% and 12.4 months [95% confidence interval (CI), 7.4-not reached (NR)]. In BRAFi-pretreated patients, the ORR and mPFS were 22% and 1.9 months (95% CI, 0.9-3.7).Conclusions: Once-daily dosing of single-agent encorafenib had a distinct tolerability profile and showed varying antitumor activity across BRAFi-pretreated and BRAFi-naïve patients with advanced/metastatic melanoma. Clin Cancer Res; 23(18); 5339-48. ©2017 AACR.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Australie</li>
<li>Espagne</li>
<li>France</li>
<li>Géorgie (pays)</li>
<li>Japon</li>
<li>Norvège</li>
<li>Suisse</li>
<li>États-Unis</li>
</country>
<region>
<li>Catalogne</li>
<li>Communauté de Madrid</li>
<li>Floride</li>
<li>Massachusetts</li>
<li>Midi-Pyrénées</li>
<li>Nouvelle-Galles du Sud</li>
<li>Occitanie (région administrative)</li>
<li>Région de Kantō</li>
</region>
<settlement>
<li>Barcelone</li>
<li>Madrid</li>
<li>Sydney</li>
<li>Tokyo</li>
<li>Toulouse</li>
</settlement>
<orgName>
<li>Université de Sydney</li>
</orgName>
</list>
<tree>
<country name="France">
<region name="Occitanie (région administrative)">
<name sortKey="Delord, Jean Pierre" sort="Delord, Jean Pierre" uniqKey="Delord J" first="Jean-Pierre" last="Delord">Jean-Pierre Delord</name>
</region>
<name sortKey="Gomez Roca, Carlos" sort="Gomez Roca, Carlos" uniqKey="Gomez Roca C" first="Carlos" last="Gomez-Roca">Carlos Gomez-Roca</name>
<name sortKey="Robert, Caroline" sort="Robert, Caroline" uniqKey="Robert C" first="Caroline" last="Robert">Caroline Robert</name>
</country>
<country name="Norvège">
<noRegion>
<name sortKey="Nyakas, Marta" sort="Nyakas, Marta" uniqKey="Nyakas M" first="Marta" last="Nyakas">Marta Nyakas</name>
</noRegion>
</country>
<country name="Australie">
<noRegion>
<name sortKey="Mcarthur, Grant A" sort="Mcarthur, Grant A" uniqKey="Mcarthur G" first="Grant A" last="Mcarthur">Grant A. Mcarthur</name>
</noRegion>
<name sortKey="Carlino, Matteo S" sort="Carlino, Matteo S" uniqKey="Carlino M" first="Matteo S" last="Carlino">Matteo S. Carlino</name>
<name sortKey="Kefford, Richard F" sort="Kefford, Richard F" uniqKey="Kefford R" first="Richard F" last="Kefford">Richard F. Kefford</name>
</country>
<country name="Géorgie (pays)">
<noRegion>
<name sortKey="Kudchakar, Ragini" sort="Kudchakar, Ragini" uniqKey="Kudchakar R" first="Ragini" last="Kudchakar">Ragini Kudchakar</name>
</noRegion>
</country>
<country name="États-Unis">
<region name="Floride">
<name sortKey="Mahipal, Amit" sort="Mahipal, Amit" uniqKey="Mahipal A" first="Amit" last="Mahipal">Amit Mahipal</name>
</region>
<name sortKey="Caponigro, Giordano" sort="Caponigro, Giordano" uniqKey="Caponigro G" first="Giordano" last="Caponigro">Giordano Caponigro</name>
<name sortKey="Stuart, Darrin D" sort="Stuart, Darrin D" uniqKey="Stuart D" first="Darrin D" last="Stuart">Darrin D. Stuart</name>
<name sortKey="Sullivan, Ryan" sort="Sullivan, Ryan" uniqKey="Sullivan R" first="Ryan" last="Sullivan">Ryan Sullivan</name>
</country>
<country name="Japon">
<region name="Région de Kantō">
<name sortKey="Yamada, Yasuhide" sort="Yamada, Yasuhide" uniqKey="Yamada Y" first="Yasuhide" last="Yamada">Yasuhide Yamada</name>
</region>
</country>
<country name="Espagne">
<region name="Catalogne">
<name sortKey="Arance, Ana" sort="Arance, Ana" uniqKey="Arance A" first="Ana" last="Arance">Ana Arance</name>
</region>
<name sortKey="Hidalgo, Manuel" sort="Hidalgo, Manuel" uniqKey="Hidalgo M" first="Manuel" last="Hidalgo">Manuel Hidalgo</name>
</country>
<country name="Suisse">
<noRegion>
<name sortKey="Michel, Daniela" sort="Michel, Daniela" uniqKey="Michel D" first="Daniela" last="Michel">Daniela Michel</name>
</noRegion>
<name sortKey="Aslanis, Vassilios" sort="Aslanis, Vassilios" uniqKey="Aslanis V" first="Vassilios" last="Aslanis">Vassilios Aslanis</name>
<name sortKey="Demuth, Tim" sort="Demuth, Tim" uniqKey="Demuth T" first="Tim" last="Demuth">Tim Demuth</name>
<name sortKey="Dummer, Reinhard" sort="Dummer, Reinhard" uniqKey="Dummer R" first="Reinhard" last="Dummer">Reinhard Dummer</name>
<name sortKey="Moutouh De Parseval, Laure" sort="Moutouh De Parseval, Laure" uniqKey="Moutouh De Parseval L" first="Laure" last="Moutouh-De Parseval">Laure Moutouh-De Parseval</name>
<name sortKey="Seroutou, Abdelkader" sort="Seroutou, Abdelkader" uniqKey="Seroutou A" first="Abdelkader" last="Seroutou">Abdelkader Seroutou</name>
</country>
</tree>
</affiliations>
</record>

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