Effect of nivolumab on health-related quality of life in patients with treatment-naïve advanced melanoma: results from the phase III CheckMate 066 study
Identifieur interne : 002245 ( Pmc/Corpus ); précédent : 002244; suivant : 002246Effect of nivolumab on health-related quality of life in patients with treatment-naïve advanced melanoma: results from the phase III CheckMate 066 study
Auteurs : G. V. Long ; V. Atkinson ; P. A. Ascierto ; C. Robert ; J. C. Hassel ; P. Rutkowski ; K. J. Savage ; F. Taylor ; C. Coon ; I. Gilloteau ; H. B. Dastani ; I. M. Waxman ; A. P. AbernethySource :
- Annals of Oncology [ 0923-7534 ] ; 2016.
Abstract
In patients with advanced melanoma in the CheckMate 066 study, baseline health-related quality of life (HRQoL) with nivolumab was maintained over time, with statistically significant and clinically meaningful improvements in some exploratory analyses, and no HRQoL improvements with dacarbazine. Added to the survival benefit of nivolumab, the benefit-to-risk ratio favors nivolumab over dacarbazine.
Url:
DOI: 10.1093/annonc/mdw265
PubMed: 27405322
PubMed Central: 5035785
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PMC:5035785Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of nivolumab on health-related quality of life in patients with treatment-naïve advanced melanoma: results from the phase III CheckMate 066 study</title><author><name sortKey="Long, G V" sort="Long, G V" uniqKey="Long G" first="G. V." last="Long">G. V. Long</name><affiliation><nlm:aff id="mdw265_af1"><institution>Melanoma Institute Australia, The University of Sydney, and Mater Hospital</institution>,<addr-line>Sydney, Australia</addr-line></nlm:aff></affiliation></author><author><name sortKey="Atkinson, V" sort="Atkinson, V" uniqKey="Atkinson V" first="V." last="Atkinson">V. Atkinson</name><affiliation><nlm:aff id="mdw265_af2"><institution>Gallipoli Medical Research Foundation and Princess Alexandra Hospital</institution>,<addr-line>Greenslopes</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Ascierto, P A" sort="Ascierto, P A" uniqKey="Ascierto P" first="P. A." last="Ascierto">P. A. Ascierto</name><affiliation><nlm:aff id="mdw265_af3"><institution>Istituto Nazionale Tumori Fondazione Pascale</institution>,<addr-line>Napoli</addr-line>,<country>Italy</country></nlm:aff></affiliation></author><author><name sortKey="Robert, C" sort="Robert, C" uniqKey="Robert C" first="C." last="Robert">C. Robert</name><affiliation><nlm:aff id="mdw265_af4"><institution>Gustave-Roussy</institution>,<addr-line>Paris</addr-line>,<country>France</country></nlm:aff></affiliation></author><author><name sortKey="Hassel, J C" sort="Hassel, J C" uniqKey="Hassel J" first="J. C." last="Hassel">J. C. Hassel</name><affiliation><nlm:aff id="mdw265_af5"><institution>University Hospital Heidelberg and National Center for Tumor Diseases</institution>,<addr-line>Heidelberg</addr-line>,<country>Germany</country></nlm:aff></affiliation></author><author><name sortKey="Rutkowski, P" sort="Rutkowski, P" uniqKey="Rutkowski P" first="P." last="Rutkowski">P. Rutkowski</name><affiliation><nlm:aff id="mdw265_af6"><institution>Sklodowska-Curie Memorial Cancer Center and Institute of Oncology</institution>,<addr-line>Warsaw</addr-line>,<country>Poland</country></nlm:aff></affiliation></author><author><name sortKey="Savage, K J" sort="Savage, K J" uniqKey="Savage K" first="K. J." last="Savage">K. J. Savage</name><affiliation><nlm:aff id="mdw265_af7"><addr-line>BC Cancer Agency</addr-line>,<institution>University of British Columbia</institution>,<addr-line>Vancouver</addr-line>,<country>Canada</country></nlm:aff></affiliation></author><author><name sortKey="Taylor, F" sort="Taylor, F" uniqKey="Taylor F" first="F." last="Taylor">F. Taylor</name><affiliation><nlm:aff id="mdw265_af8"><institution>Adelphi Values</institution>,<addr-line>Boston, MA, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Coon, C" sort="Coon, C" uniqKey="Coon C" first="C." last="Coon">C. Coon</name><affiliation><nlm:aff id="mdw265_af8"><institution>Adelphi Values</institution>,<addr-line>Boston, MA, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gilloteau, I" sort="Gilloteau, I" uniqKey="Gilloteau I" first="I." last="Gilloteau">I. Gilloteau</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Dastani, H B" sort="Dastani, H B" uniqKey="Dastani H" first="H. B." last="Dastani">H. B. Dastani</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Waxman, I M" sort="Waxman, I M" uniqKey="Waxman I" first="I. M." last="Waxman">I. M. Waxman</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Abernethy, A P" sort="Abernethy, A P" uniqKey="Abernethy A" first="A. P." last="Abernethy">A. P. Abernethy</name><affiliation><nlm:aff id="mdw265_af10"><institution>Duke Clinical Research Institute</institution>,<addr-line>Durham, NC</addr-line>,<country>USA</country></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27405322</idno><idno type="pmc">5035785</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5035785</idno><idno type="RBID">PMC:5035785</idno><idno type="doi">10.1093/annonc/mdw265</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">002245</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002245</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of nivolumab on health-related quality of life in patients with treatment-naïve advanced melanoma: results from the phase III CheckMate 066 study</title><author><name sortKey="Long, G V" sort="Long, G V" uniqKey="Long G" first="G. V." last="Long">G. V. Long</name><affiliation><nlm:aff id="mdw265_af1"><institution>Melanoma Institute Australia, The University of Sydney, and Mater Hospital</institution>,<addr-line>Sydney, Australia</addr-line></nlm:aff></affiliation></author><author><name sortKey="Atkinson, V" sort="Atkinson, V" uniqKey="Atkinson V" first="V." last="Atkinson">V. Atkinson</name><affiliation><nlm:aff id="mdw265_af2"><institution>Gallipoli Medical Research Foundation and Princess Alexandra Hospital</institution>,<addr-line>Greenslopes</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Ascierto, P A" sort="Ascierto, P A" uniqKey="Ascierto P" first="P. A." last="Ascierto">P. A. Ascierto</name><affiliation><nlm:aff id="mdw265_af3"><institution>Istituto Nazionale Tumori Fondazione Pascale</institution>,<addr-line>Napoli</addr-line>,<country>Italy</country></nlm:aff></affiliation></author><author><name sortKey="Robert, C" sort="Robert, C" uniqKey="Robert C" first="C." last="Robert">C. Robert</name><affiliation><nlm:aff id="mdw265_af4"><institution>Gustave-Roussy</institution>,<addr-line>Paris</addr-line>,<country>France</country></nlm:aff></affiliation></author><author><name sortKey="Hassel, J C" sort="Hassel, J C" uniqKey="Hassel J" first="J. C." last="Hassel">J. C. Hassel</name><affiliation><nlm:aff id="mdw265_af5"><institution>University Hospital Heidelberg and National Center for Tumor Diseases</institution>,<addr-line>Heidelberg</addr-line>,<country>Germany</country></nlm:aff></affiliation></author><author><name sortKey="Rutkowski, P" sort="Rutkowski, P" uniqKey="Rutkowski P" first="P." last="Rutkowski">P. Rutkowski</name><affiliation><nlm:aff id="mdw265_af6"><institution>Sklodowska-Curie Memorial Cancer Center and Institute of Oncology</institution>,<addr-line>Warsaw</addr-line>,<country>Poland</country></nlm:aff></affiliation></author><author><name sortKey="Savage, K J" sort="Savage, K J" uniqKey="Savage K" first="K. J." last="Savage">K. J. Savage</name><affiliation><nlm:aff id="mdw265_af7"><addr-line>BC Cancer Agency</addr-line>,<institution>University of British Columbia</institution>,<addr-line>Vancouver</addr-line>,<country>Canada</country></nlm:aff></affiliation></author><author><name sortKey="Taylor, F" sort="Taylor, F" uniqKey="Taylor F" first="F." last="Taylor">F. Taylor</name><affiliation><nlm:aff id="mdw265_af8"><institution>Adelphi Values</institution>,<addr-line>Boston, MA, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Coon, C" sort="Coon, C" uniqKey="Coon C" first="C." last="Coon">C. Coon</name><affiliation><nlm:aff id="mdw265_af8"><institution>Adelphi Values</institution>,<addr-line>Boston, MA, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Gilloteau, I" sort="Gilloteau, I" uniqKey="Gilloteau I" first="I." last="Gilloteau">I. Gilloteau</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Dastani, H B" sort="Dastani, H B" uniqKey="Dastani H" first="H. B." last="Dastani">H. B. Dastani</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Waxman, I M" sort="Waxman, I M" uniqKey="Waxman I" first="I. M." last="Waxman">I. M. Waxman</name><affiliation><nlm:aff id="mdw265_af9"><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></nlm:aff></affiliation></author><author><name sortKey="Abernethy, A P" sort="Abernethy, A P" uniqKey="Abernethy A" first="A. P." last="Abernethy">A. P. Abernethy</name><affiliation><nlm:aff id="mdw265_af10"><institution>Duke Clinical Research Institute</institution>,<addr-line>Durham, NC</addr-line>,<country>USA</country></nlm:aff></affiliation></author></analytic><series><title level="j">Annals of Oncology</title><idno type="ISSN">0923-7534</idno><idno type="eISSN">1569-8041</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>In patients with advanced melanoma in the CheckMate 066 study, baseline health-related quality of life (HRQoL) with nivolumab was maintained over time, with statistically significant and clinically meaningful improvements in some exploratory analyses, and no HRQoL improvements with dacarbazine. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Ann Oncol</journal-id><journal-id journal-id-type="iso-abbrev">Ann. Oncol</journal-id><journal-id journal-id-type="publisher-id">annonc</journal-id><journal-id journal-id-type="hwp">annonc</journal-id><journal-title-group><journal-title>Annals of Oncology</journal-title></journal-title-group><issn pub-type="ppub">0923-7534</issn><issn pub-type="epub">1569-8041</issn><publisher><publisher-name>Oxford University Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27405322</article-id><article-id pub-id-type="pmc">5035785</article-id><article-id pub-id-type="doi">10.1093/annonc/mdw265</article-id><article-id pub-id-type="publisher-id">mdw265</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Articles</subject><subj-group subj-group-type="heading"><subject>Melanoma</subject></subj-group></subj-group><series-title>Editor's choice</series-title></article-categories><title-group><article-title>Effect of nivolumab on health-related quality of life in patients with treatment-naïve advanced melanoma: results from the phase III CheckMate 066 study</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Long</surname><given-names>G. V.</given-names></name><xref ref-type="aff" rid="mdw265_af1">1</xref><xref ref-type="corresp" rid="mdw265_cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Atkinson</surname><given-names>V.</given-names></name><xref ref-type="aff" rid="mdw265_af2">2</xref></contrib><contrib contrib-type="author"><name><surname>Ascierto</surname><given-names>P. A.</given-names></name><xref ref-type="aff" rid="mdw265_af3">3</xref></contrib><contrib contrib-type="author"><name><surname>Robert</surname><given-names>C.</given-names></name><xref ref-type="aff" rid="mdw265_af4">4</xref></contrib><contrib contrib-type="author"><name><surname>Hassel</surname><given-names>J. C.</given-names></name><xref ref-type="aff" rid="mdw265_af5">5</xref></contrib><contrib contrib-type="author"><name><surname>Rutkowski</surname><given-names>P.</given-names></name><xref ref-type="aff" rid="mdw265_af6">6</xref></contrib><contrib contrib-type="author"><name><surname>Savage</surname><given-names>K. J.</given-names></name><xref ref-type="aff" rid="mdw265_af7">7</xref></contrib><contrib contrib-type="author"><name><surname>Taylor</surname><given-names>F.</given-names></name><xref ref-type="aff" rid="mdw265_af8">8</xref></contrib><contrib contrib-type="author"><name><surname>Coon</surname><given-names>C.</given-names></name><xref ref-type="aff" rid="mdw265_af8">8</xref><xref ref-type="author-notes" rid="mdw265_AN1">†</xref></contrib><contrib contrib-type="author"><name><surname>Gilloteau</surname><given-names>I.</given-names></name><xref ref-type="aff" rid="mdw265_af9">9</xref><xref ref-type="author-notes" rid="mdw265_AN1">†</xref></contrib><contrib contrib-type="author"><name><surname>Dastani</surname><given-names>H. B.</given-names></name><xref ref-type="aff" rid="mdw265_af9">9</xref></contrib><contrib contrib-type="author"><name><surname>Waxman</surname><given-names>I. M.</given-names></name><xref ref-type="aff" rid="mdw265_af9">9</xref></contrib><contrib contrib-type="author"><name><surname>Abernethy</surname><given-names>A. P.</given-names></name><xref ref-type="aff" rid="mdw265_af10">10</xref></contrib><aff id="mdw265_af1"><label>1</label><institution>Melanoma Institute Australia, The University of Sydney, and Mater Hospital</institution>,<addr-line>Sydney, Australia</addr-line></aff><aff id="mdw265_af2"><label>2</label><institution>Gallipoli Medical Research Foundation and Princess Alexandra Hospital</institution>,<addr-line>Greenslopes</addr-line>,<country>Australia</country></aff><aff id="mdw265_af3"><label>3</label><institution>Istituto Nazionale Tumori Fondazione Pascale</institution>,<addr-line>Napoli</addr-line>,<country>Italy</country></aff><aff id="mdw265_af4"><label>4</label><institution>Gustave-Roussy</institution>,<addr-line>Paris</addr-line>,<country>France</country></aff><aff id="mdw265_af5"><label>5</label><institution>University Hospital Heidelberg and National Center for Tumor Diseases</institution>,<addr-line>Heidelberg</addr-line>,<country>Germany</country></aff><aff id="mdw265_af6"><label>6</label><institution>Sklodowska-Curie Memorial Cancer Center and Institute of Oncology</institution>,<addr-line>Warsaw</addr-line>,<country>Poland</country></aff><aff id="mdw265_af7"><label>7</label><addr-line>BC Cancer Agency</addr-line>,<institution>University of British Columbia</institution>,<addr-line>Vancouver</addr-line>,<country>Canada</country></aff><aff id="mdw265_af8"><label>8</label><institution>Adelphi Values</institution>,<addr-line>Boston, MA, USA</addr-line></aff><aff id="mdw265_af9"><label>9</label><institution>Bristol-Myers Squibb</institution>,<addr-line>Princeton, NJ, USA</addr-line></aff><aff id="mdw265_af10"><label>10</label><institution>Duke Clinical Research Institute</institution>,<addr-line>Durham, NC</addr-line>,<country>USA</country></aff></contrib-group><author-notes><corresp id="mdw265_cor1"><label>*</label><italic>Correspondence to:</italic> Prof. Georgina V. Long, Melanoma Institute Australia, The University of Sydney, 40 Rocklands Rd, North Sydney, NSW 2060, Australia. Tel: +61-2-9911-7336; Fax: +61-2-9954-9290; E-mail: <email>georgina.long@sydney.edu.au</email></corresp><fn id="mdw265_AN1" fn-type="con"><label>†</label><p>Affiliation at the time of this research.</p></fn></author-notes><pub-date pub-type="ppub"><month>10</month><year>2016</year></pub-date><pub-date pub-type="epub"><day>12</day><month>7</month><year>2016</year></pub-date><pub-date pub-type="pmc-release"><day>12</day><month>7</month><year>2016</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
<volume>27</volume><issue>10</issue><fpage>1940</fpage><lpage>1946</lpage><history><date date-type="received"><day>26</day><month>2</month><year>2016</year></date><date date-type="rev-recd"><day>10</day><month>5</month><year>2016</year></date><date date-type="rev-recd"><day>27</day><month>6</month><year>2016</year></date><date date-type="accepted"><day>29</day><month>6</month><year>2016</year></date></history><permissions><copyright-statement>© The Author 2016. Published by Oxford University Press on behalf of the European Society for Medical Oncology.</copyright-statement><copyright-year>2016</copyright-year><license license-type="creative-commons" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/">http://creativecommons.org/licenses/by-nc/4.0/</ext-link>), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com</license-p></license></permissions><self-uri content-type="pdf" xlink:href="mdw265.pdf"></self-uri><abstract abstract-type="precis"><p>In patients with advanced melanoma in the CheckMate 066 study, baseline health-related quality of life (HRQoL) with nivolumab was maintained over time, with statistically significant and clinically meaningful improvements in some exploratory analyses, and no HRQoL improvements with dacarbazine. Added to the survival benefit of nivolumab, the benefit-to-risk ratio favors nivolumab over dacarbazine.</p></abstract><abstract><sec><title>Background</title><p>Nivolumab has shown significant survival benefit and a favorable safety profile compared with dacarbazine chemotherapy among treatment-naïve patients with metastatic melanoma in the CheckMate 066 phase III study. Results from the health-related quality of life (HRQoL) analyses from CheckMate 066 are presented.</p></sec><sec><title>Patients and methods</title><p>HRQoL was evaluated at baseline and every 6 weeks while on treatment using the European Organisation for Research and Treatment of Care (EORTC) Core Quality of Life Questionnaire (QLQ-C30) and the EuroQoL Five Dimensions Questionnaire (EQ-5D). Via a multi-step statistical plan, data were analyzed descriptively, cross-sectionally, and longitudinally, adjusting for baseline covariates, in patients having baseline plus ≥1 post-baseline assessment.</p></sec><sec><title>Results</title><p>Baseline<italic>-</italic>adjusted completion rates for all HRQoL questionnaires across treatment arms were 65% and 70% for dacarbazine and nivolumab, respectively, and remained similar throughout treatment. The mean baseline HRQoL scores were similar for patients treated with nivolumab and dacarbazine. Baseline HRQoL levels with nivolumab were maintained over time. This exploratory analysis showed a between-arm difference in favor of nivolumab on the EQ-5D utility index and clinically meaningful EQ-5D improvements from baseline at several time points for patients receiving nivolumab. Patients treated with nivolumab did not show increased symptom burden as assessed by the EORTC QLQ-C30. No HRQoL change was noted with dacarbazine patients up to week 43, although the high attrition rate after week 13 did not allow any meaningful analyses. Patients receiving nivolumab deteriorated significantly later than those receiving dacarbazine on several EORTC QLQ-C30 scales and the EQ-5D utility index.</p></sec><sec><title>Conclusions</title><p>In addition to prolonged survival, these exploratory HRQoL results show that nivolumab maintains baseline HRQoL levels to provide long-term quality of survival benefit, compared with dacarbazine in patients with advanced melanoma.</p></sec></abstract><kwd-group><kwd>advanced melanoma</kwd><kwd>health-related quality of life</kwd><kwd>nivolumab</kwd><kwd>programmed death-1 receptor</kwd></kwd-group><funding-group><award-group id="funding-1"><funding-source><institution-wrap><institution>Bristol-Myers Squibb</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body><sec sec-type="intro" id="mdw265_s1"><title>introduction</title><p>The treatment paradigm for advanced melanoma has changed dramatically in recent years with the approval of new agents in many countries, such as inhibitors of the programmed death-1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) pathways. PD-1 pathway inhibitors in particular have produced durable responses and have been proven to be tolerable in clinical trials in patients with advanced melanoma and other tumor types [<xref rid="MDW265C1" ref-type="bibr">1</xref>, <xref rid="MDW265C2" ref-type="bibr">2</xref>]. The PD-1 inhibitor nivolumab was associated with a significant survival benefit and a favorable safety profile in a phase III study [CheckMate (<underline>Check</underline>point pathway and nivolu<underline>ma</underline>b clinical <underline>t</underline>rial <underline>e</underline>valuation) 066] versus dacarbazine chemotherapy in treatment-naïve patients with metastatic melanoma without a <italic>BRAF</italic> mutation [<xref rid="MDW265C3" ref-type="bibr">3</xref>]. In that study, the median overall survival (OS) was not reached with patients treated with nivolumab and was 10.8 months with patients treated with dacarbazine [hazard ratio (HR) for death, 0.42; 99.79% CI 0.25–0.73; <italic>P</italic> < 0.001] after a median follow-up of 16.7 months. In another phase III study (CheckMate 037), response rates improved in patients treated with nivolumab with disease progression following the CTLA-4 inhibitor ipilimumab and, if <italic>BRAF</italic> V600 mutation positive, a BRAF inhibitor, when compared with chemotherapy [<xref rid="MDW265C4" ref-type="bibr">4</xref>]. Responses with nivolumab can be delayed up to ∼7 months after treatment initiation [<xref rid="MDW265C4" ref-type="bibr">4</xref>].</p><p>A frequent concern with immunotherapies is that their toxicity profile might diminish health-related quality of life (HRQoL), even when meaningful disease outcomes are observed. Given the increasing importance of considering HRQoL during treatment decision-making in oncology, the CheckMate 066 study incorporated these measures. Herein are presented results of prospectively collected analyses in CheckMate 066 that compared the impact of nivolumab and dacarbazine on HRQoL using reliable and validated patient-reported outcomes (PROs).</p></sec><sec sec-type="methods" id="mdw265_s2"><title>methods</title><sec id="mdw265_s2a"><title>study design</title><p>CheckMate 066 was a phase III, randomized, double-blind study comparing nivolumab 3 mg/kg every 2 weeks with dacarbazine 1000 mg/m<sup>2</sup> of body surface area every 3 weeks in treatment-naïve patients who had metastatic melanoma without a <italic>BRAF</italic> mutation [<xref rid="MDW265C3" ref-type="bibr">3</xref>]. The primary end point was OS; secondary end points included progression-free survival (PFS), objective response rate as determined by RECIST version 1.1 [<xref rid="MDW265C5" ref-type="bibr">5</xref>], tumor PD-L1 expression, and European Organisation for Research and Treatment of Care (EORTC) Core Quality of Life Questionnaire (QLQ-C30); exploratory end points included EuroQoL Five Dimensions Questionnaire 3L (EQ-5D 3L) [<xref rid="MDW265C3" ref-type="bibr">3</xref>].</p></sec><sec id="mdw265_s2b"><title>HRQoL assessment</title><p>HRQoL in CheckMate 066 was evaluated using the EORTC QLQ-C30 [<xref rid="MDW265C6" ref-type="bibr">6</xref>, <xref rid="MDW265C7" ref-type="bibr">7</xref>] and the EQ-5D 3L [<xref rid="MDW265C8" ref-type="bibr">8</xref>], two PROs whose use has been well documented in advanced melanoma [<xref rid="MDW265C9" ref-type="bibr">9</xref>–<xref rid="MDW265C15" ref-type="bibr">15</xref>]. PRO data were captured electronically.</p><p>The EORTC QLQ-C30 is a validated, self-reported, 30-item, generic measure of HRQoL composed of a global health status/QoL, five functional (physical, role, emotional, social, and cognitive), and nine symptom or single-item (fatigue, nausea and vomiting, pain, dyspnea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties) questions. Raw scores were transformed to a linear scale ranging from 0 to 100, with higher scores representing better outcomes on the global health status/QoL and functioning scales and worse outcomes on the symptom and single-item scales. The minimally important difference (MID), which indicates clinically meaningful change, is a change in score of ≥10 [<xref rid="MDW265C7" ref-type="bibr">7</xref>]. This MID has been validated in four domains (physical functioning, emotional functioning, social functioning, and global QoL).</p><p>The EQ-5D 3L is a validated, self-reported, generic measure of HRQoL composed of the EQ-5D utility index and EQ visual analog scale (VAS) [<xref rid="MDW265C8" ref-type="bibr">8</xref>]. The EQ-5D utility index comprises five dimensions (mobility, self-care, usual activities, pain/discomfort, and anxiety/depression), each having 3 assessment levels (no, some, or extreme problems). The EQ VAS evaluates the patient's self-rated health state on a 100-point vertical VAS (0, worst imaginable health state; 100, best imaginable health state). MID is a score difference of ≥0.08 for the EQ-5D utility index and of ≥7 for the EQ-5D VAS [<xref rid="MDW265C16" ref-type="bibr">16</xref>].</p></sec><sec id="mdw265_s2c"><title>statistical analysis</title><p>HRQoL was assessed at baseline, every 6 weeks while on treatment, and at follow-up visits 1 and 2 (30 and 100–114 days, respectively, after discontinuing treatment). HRQoL was analyzed for all randomized patients who had baseline and ≥1 post-baseline assessments, regardless of timeframe. The adjusted questionnaire completion rate (defined as the proportion of patients who completed the questionnaire using the number of patients alive in the CheckMate 066 study at the particular time point as the denominator) was determined at each visit. Differences in PROs were assessed between- and within-treatment arms according to statistical significance (Wilcoxon signed-rank and Mann–Whitney–Wilcoxon tests at <italic>P</italic> = 0.05) and MID. To assess longitudinal changes from baseline within each treatment group and differences between treatment groups, a mixed-effect model repeated measures (MMRM) analysis was used that controlled for baseline covariates (PRO score, Eastern Cooperative Oncology Group performance status, region, PD-L1 status, lactate dehydrogenase level, gender, age, <italic>BRAF</italic> mutation status, and blinding status). The median time from randomization to first deterioration, as defined by the MID at the individual patient level for that scale, was estimated by the Kaplan–Meier method. A Cox proportional hazard regression model was used to compare the deterioration rates treating baseline HRQoL score as a covariate. Since patients in the dacarbazine arm were more likely to discontinue treatment earlier (due to toxicity, progressive disease, or consent withdrawal), a pattern mixture model (PMM) sensitivity analysis was conducted across treatments to adjust for early (last visit ≤19 weeks) or late dropout (last visit ≥25 weeks), thereby evaluating the effect of missing data on HRQoL results.</p></sec></sec><sec sec-type="results" id="mdw265_s3"><title>results</title><sec id="mdw265_s3a"><title>patients</title><p>A total of 418 patients were randomized to nivolumab (<italic>n</italic> = 210) or dacarbazine (<italic>n</italic> = 208) in Europe, Israel, Australia, Canada, and South America between January 2013 and January 2014 [<xref rid="MDW265C3" ref-type="bibr">3</xref>]. Baseline patient characteristics have been previously reported and were well balanced between the treatment groups [<xref rid="MDW265C3" ref-type="bibr">3</xref>].</p></sec><sec id="mdw265_s3b"><title>HRQoL questionnaire completion rates</title><p>Questionnaires were completed over a maximum treatment period of 73 weeks in the nivolumab arm and 61 weeks in the dacarbazine arm, as well as at two follow-up visits after treatment was discontinued. The adjusted questionnaire completion rates for the EORTC QLQ-30 and EQ-5D at baseline were 70% for the nivolumab arm and 65% for the dacarbazine arm, and remained similar to baseline throughout treatment (<ext-link ext-link-type="uri" xlink:href="http://annonc.oxfordjournals.org/lookup/suppl/doi:10.1093/annonc/mdw265/-/DC1">supplementary Table S1, available at <italic>Annals of Oncology</italic> online</ext-link>). HRQoL analysis involving dacarbazine was difficult after week 13 due to small sample size attributed to high attrition rate (<italic>n</italic> ≤ 41).</p></sec><sec id="mdw265_s3c"><title>descriptive and cross-sectional HRQoL analyses</title><p>The mean (SD) EORTC QLQ-30 global health status/QoL scores at baseline were similar for patients treated with nivolumab [68.9 (20.2)] and for those treated with dacarbazine [66.2 (25.1)]. The mean changes from baseline in global health status/QoL scores that occurred, beginning at week 7, were modest with a trend toward improvement in both treatment groups, but these improvements were neither statistically significant nor clinically meaningful within each treatment group (Figure <xref ref-type="fig" rid="MDW265F1">1</xref>A). At week 25, there was a trend toward worsening in the dacarbazine group but not in the nivolumab group; however, the change from baseline was neither statistically significant nor clinically meaningful. There were also no significant differences between the treatment arms at any time point. In general, both EORTC QLQ-C30 functioning subscale and symptom mean scores remained relatively stable over time compared with baseline for both groups, with a few statistically significant and clinically meaningful changes.<fig id="MDW265F1" orientation="portrait" position="float"><label>Figure 1.</label><caption><p>(A) Mean (SE) change from baseline in EORTC QLQ-C30 Global Health scores. Only time points where data are available for ≥5 patients in either treatment arm are plotted on the graph. MID consists of a change of ≥10. The mean baseline (SE) scores were 68.9 (20.2) for nivolumab and 66.2 (25.1) for dacarbazine. (B) Mean (SE) change from baseline in EQ-5D utility index scores. Only time points where data are available for ≥5 patients in either treatment arm are plotted on the graph. MID consists of a change of ≥0.08. The mean baseline (SE) scores were 0.778 (0.215) for nivolumab and 0.771 (0.310) for dacarbazine. (C) Mean (SE) change from baseline in EQ-5D VAS scores. Only time points where data are available for ≥5 patients in either treatment arm are plotted on the graph. MID consists of a change of ≥7. The mean baseline (SE) scores were 70.9 (19.9) for nivolumab and 69.1 (21.8) for dacarbazine. EORTC QLQ-C30, European Organisation for Research and Treatment of Care Core Quality of Life Questionnaire; EQ-5D, EuroQoL Five Dimensions Questionnaire; MID, minimally important difference; SE, standard error; VAS, visual analog scale. <sup>a</sup><italic>P</italic> ≤ 0.05 versus baseline in the nivolumab arm. <sup>b</sup><italic>P</italic> ≤ 0.05 for nivolumab versus dacarbazine arms. <sup>c</sup>Exceeded MID.</p></caption><graphic xlink:href="mdw26501"></graphic></fig></p><p>The exploratory analysis mean (SD) EQ-5D utility scores were higher at baseline for patients treated with nivolumab [0.778 (0.215)] than for those treated with dacarbazine [0.711 (0.310)], and remained higher over time versus dacarbazine (Figure <xref ref-type="fig" rid="MDW265F1">1</xref>B). Significant improvements from baseline were observed for patients receiving nivolumab from week 7 (<italic>P</italic> = 0.011) through week 49 (<italic>P</italic> = 0.034). For patients receiving dacarbazine, there were no significant improvements from baseline at any time point. The only significant difference observed between treatment arms was at week 7 (<italic>P</italic> = 0.045), with improvement in nivolumab patients and deterioration in dacarbazine patients. Clinically meaningful improvements occurred in patients treated with nivolumab at weeks 37, 61, and 67.</p><p>Exploratory analysis mean (SD) EQ-5D VAS scores at baseline were similar for patients treated with nivolumab 70.9 (19.9) and those treated with dacarbazine 69.1 (21.8). Significant improvements from baseline were observed for patients receiving nivolumab at weeks 25, 31, and 37 (<italic>P</italic> ≤ 0.03; Figure <xref ref-type="fig" rid="MDW265F1">1</xref>C). Clinically meaningful improvements were noted for nivolumab patients at weeks 31, 37, 49, 55, and 61. No significant or clinically meaningful improvements from baseline were observed for dacarbazine patients. There were also no significant differences between the treatment arms at any time point.</p></sec><sec id="mdw265_s3d"><title>MMRM analysis</title><p>In longitudinal modeling conducted across 61 weeks, significant improvements versus baseline were identified for patients treated with nivolumab in some PRO scales, including EORTC QLQ-C30 emotional functioning, nausea and vomiting, and insomnia; EORTC QLQ-C30 emotional functioning improved with dacarbazine (all <italic>P</italic> < 0.05; Table <xref ref-type="table" rid="MDW265TB1">1</xref>). None of these improvements were clinically meaningful based on MID. There were significant deteriorations from baseline in physical functioning in patients treated with nivolumab, and dyspnea in patients treated with dacarbazine. No significant differences were noted between the treatment arms for any of the EORTC QLQ-C30 functional domains or symptom/single-item scales.<table-wrap id="MDW265TB1" orientation="portrait" position="float"><label>Table 1.</label><caption><p>Mixed-effects model for repeated measures results</p></caption><table frame="hsides" rules="groups"><colgroup span="1"><col align="left" span="1"></col><col align="char" char="(" span="1"></col><col align="char" char="(" span="1"></col><col align="char" char="(" span="1"></col></colgroup><thead><tr><th align="left" rowspan="2" colspan="1">Domains/scales<sup>a</sup></th><th align="center" colspan="2" rowspan="1">Change from baseline, mean (SE)<hr></hr></th><th align="left" rowspan="2" colspan="1">Difference in mean change (95% CI)<sup>b</sup></th></tr><tr><th align="left" rowspan="1" colspan="1">Nivolumab (<italic>n</italic> = 136)</th><th align="left" rowspan="1" colspan="1">Dacarbazine (<italic>n</italic> = 123)</th></tr></thead><tbody><tr><td colspan="4" rowspan="1">EORTC QLQ-C30 functional domains</td></tr><tr><td rowspan="1" colspan="1"> Global health status</td><td rowspan="1" colspan="1">1.8 (1.8)</td><td rowspan="1" colspan="1">0.9 (3.4)</td><td rowspan="1" colspan="1">0.9 (−6.0, 7.8)</td></tr><tr><td rowspan="1" colspan="1"> Physical functioning</td><td rowspan="1" colspan="1">−4.4 (1.6)<sup>c</sup></td><td rowspan="1" colspan="1">−2.7 (2.6)</td><td rowspan="1" colspan="1">−1.7 (−7.1, 3.8)</td></tr><tr><td rowspan="1" colspan="1"> Role functioning</td><td rowspan="1" colspan="1">−1.2 (2.3)</td><td rowspan="1" colspan="1">3.6 (3.9)</td><td rowspan="1" colspan="1">−4.8 (−12.9, 3.2)</td></tr><tr><td rowspan="1" colspan="1"> Emotional functioning</td><td rowspan="1" colspan="1">6.3 (1.6)<sup>d</sup></td><td rowspan="1" colspan="1">5.3 (2.7)<sup>d</sup></td><td rowspan="1" colspan="1">1.0 (−4.5, 6.5)</td></tr><tr><td rowspan="1" colspan="1"> Cognitive functioning</td><td rowspan="1" colspan="1">0.4 (1.7)</td><td rowspan="1" colspan="1">1.0 (3.2)</td><td rowspan="1" colspan="1">−0.7 (−7.2, 5.9)</td></tr><tr><td rowspan="1" colspan="1"> Social functioning</td><td rowspan="1" colspan="1">−0.8 (2.0)</td><td rowspan="1" colspan="1">0.3 (3.7)</td><td rowspan="1" colspan="1">−1.1 (−8.6, 6.3)</td></tr><tr><td colspan="4" rowspan="1">EORTC QLQ-C30 symptom/single-item scales</td></tr><tr><td rowspan="1" colspan="1"> Fatigue</td><td rowspan="1" colspan="1">2.0 (1.9)</td><td rowspan="1" colspan="1">2.2 (3.3)</td><td rowspan="1" colspan="1">−0.2 (−6.9, 6.4)</td></tr><tr><td rowspan="1" colspan="1"> Nausea and vomiting</td><td rowspan="1" colspan="1">−2.6 (1.0)<sup>d</sup></td><td rowspan="1" colspan="1">0.0 (1.7)</td><td rowspan="1" colspan="1">−2.6 (−6.0, 0.8)</td></tr><tr><td rowspan="1" colspan="1"> Pain</td><td rowspan="1" colspan="1">−1.1 (2.5)</td><td rowspan="1" colspan="1">−1.6 (4.6)</td><td rowspan="1" colspan="1">0.4 (−9.1, 9.9)</td></tr><tr><td rowspan="1" colspan="1"> Dyspnea</td><td rowspan="1" colspan="1">0.5 (2.1)</td><td rowspan="1" colspan="1">7.4 (3.6)<sup>c</sup></td><td rowspan="1" colspan="1">−6.9 (−14.2, 0.4)</td></tr><tr><td rowspan="1" colspan="1"> Insomnia</td><td rowspan="1" colspan="1">−7.2 (2.2)<sup>d</sup></td><td rowspan="1" colspan="1">−4.6 (4.0)</td><td rowspan="1" colspan="1">−2.6 (−10.7, 5.5)</td></tr><tr><td rowspan="1" colspan="1"> Appetite loss</td><td rowspan="1" colspan="1">−3.6 (2.0)</td><td rowspan="1" colspan="1">1.7 (3.5)</td><td rowspan="1" colspan="1">−5.2 (−12.2, 1.8)</td></tr><tr><td rowspan="1" colspan="1"> Constipation</td><td rowspan="1" colspan="1">0.1 (2.1)</td><td rowspan="1" colspan="1">1.8 (3.9)</td><td rowspan="1" colspan="1">−1.7 (−9.7, 6.4)</td></tr><tr><td rowspan="1" colspan="1"> Diarrhea</td><td rowspan="1" colspan="1">−0.5 (1.6)</td><td rowspan="1" colspan="1">−0.2 (2.9)</td><td rowspan="1" colspan="1">−0.3 (−6.4, 5.7)</td></tr><tr><td rowspan="1" colspan="1"> Financial difficulties</td><td rowspan="1" colspan="1">0.3 (2.2)</td><td rowspan="1" colspan="1">0.8 (4.2)</td><td rowspan="1" colspan="1">−0.5 (−9.2, 8.2)</td></tr><tr><td rowspan="1" colspan="1"></td><td rowspan="1" colspan="1">Nivolumab (<italic>n</italic> = 135)</td><td rowspan="1" colspan="1">Dacarbazine (<italic>n</italic> = 122)</td><td rowspan="1" colspan="1"></td></tr><tr><td rowspan="1" colspan="1">EQ-5D utility index score</td><td rowspan="1" colspan="1">0.040 (0.021)</td><td rowspan="1" colspan="1">0.027 (0.038)</td><td rowspan="1" colspan="1">0.013 (−0.065, 0.091)</td></tr><tr><td rowspan="1" colspan="1">EQ-5D VAS score</td><td rowspan="1" colspan="1">2.2 (1.8)</td><td rowspan="1" colspan="1">1.8 (3.4)</td><td rowspan="1" colspan="1">0.4 (−6.6, 7.4)</td></tr></tbody></table><table-wrap-foot><fn id="tblfn1"><p><sup>a</sup>Higher scores represent better outcomes on the EORTC QLQ-C30 functioning domains and worse outcomes on the EORTC QLQ-C30 symptom/single-item scales. Higher scores represent better outcomes on the EQ-5D utility index and EQ-5D VAS.</p></fn><fn id="tblfn2"><p><sup>b</sup>A positive difference favors nivolumab on the EORTC QLQ-C30 functional domains and EQ-5D; negative difference favors nivolumab on the EORTC QLQ-C30 symptom scales. Differences in mean changes were not significant for all domains/scales.</p></fn><fn id="tblfn3"><p><sup>c</sup>Significant deterioration within arm (<italic>P</italic> < 0.05).</p></fn><fn id="tblfn4"><p><sup>d</sup>Significant improvement within arm (<italic>P</italic> < 0.05).</p></fn><fn id="tblfn5"><p>CI, confidence interval; EORTC QLQ-C30, European Organisation for Research and Treatment of Care Core Quality of Life Questionnaire; EQ-5D, EuroQoL Five Dimensions Questionnaire; SE, standard error; VAS, visual analog scale.</p></fn></table-wrap-foot></table-wrap></p></sec><sec id="mdw265_s3e"><title>time to deterioration</title><p>Patients treated with nivolumab were significantly less likely to deteriorate before those treated with dacarbazine for EORTC QLQ-C30 global health (Figure <xref ref-type="fig" rid="MDW265F2">2</xref>A), physical functioning (Figure <xref ref-type="fig" rid="MDW265F2">2</xref>B), role functioning, emotional functioning, cognitive functioning, social functioning, nausea and vomiting, pain, dyspnea, insomnia, appetite loss, and constipation, as well as EQ-5D utility index (<ext-link ext-link-type="uri" xlink:href="http://annonc.oxfordjournals.org/lookup/suppl/doi:10.1093/annonc/mdw265/-/DC1">supplementary Table S2, available at <italic>Annals of Oncology</italic> online</ext-link>).<fig id="MDW265F2" orientation="portrait" position="float"><label>Figure 2.</label><caption><p>(A) Time from randomization to first deterioration of EORTC QLQ-C30 global health status/QoL score based on MID. (B) Time from randomization to first deterioration of EORTC QLQ-C30 physical functioning score based on MID. EORTC QLQ-C30, European Organisation for Research and Treatment of Care Core Quality of Life Questionnaire; HR, hazard ratio; MID, minimally important difference.</p></caption><graphic xlink:href="mdw26502"></graphic></fig></p></sec><sec id="mdw265_s3f"><title>PMM analysis</title><p>In a sensitivity analysis adjusting the MMRM models for early (last visit ≤19 weeks) or late dropout (last visit ≥25 weeks), no significant interactions for HRQoL between treatment and dropout were observed, apart from a significant interaction for the exploratory analysis EQ-5D VAS. Therefore, the missing data for the EQ-5D VAS may not be considered at random, indicating that the MMRM results might be biased and that missing data may have caused the positive nivolumab trend to be muted in the MMRM analysis for EQ-5D VAS.</p></sec></sec><sec sec-type="discussion" id="mdw265_s4"><title>discussion</title><p>Herein presented are the results of the prospectively collected analyses that assess the impact of the PD-1 inhibitor nivolumab on HRQoL in patients with advanced melanoma. In addition to the survival benefit seen with nivolumab when compared with dacarbazine in these treatment-naïve patients in the phase III CheckMate 066 study, baseline HRQoL levels with nivolumab were maintained over time, as assessed using validated self-reported questionnaires. Although only a single between-arm difference in favor of nivolumab was observed on the EQ-5D utility index at week 7, exploratory analyses showed significant and clinically meaningful EQ-5D improvements from baseline at several time points for patients receiving nivolumab. No statistically significant or clinically meaningful EQ-5D improvements from baseline were observed in patients treated with dacarbazine. An increased symptom burden was not observed with nivolumab, which is consistent with its adverse event profile in this trial [<xref rid="MDW265C3" ref-type="bibr">3</xref>]. In summary, no deterioration of HRQoL was identified with nivolumab. When added to the survival benefit of nivolumab, the benefit-to-risk ratio favors nivolumab over dacarbazine.</p><p>The PRO data were collected for the duration of treatment, for a period that exceeded 15 months in the nivolumab arm. Although HRQoL data are typically collected during a short timeframe in clinical studies, these analyses from CheckMate 066 examined long-term HRQoL. In addition, exploratory analyses revealed significant later time to deterioration or earlier time to improvement on several PRO scales in patients treated with nivolumab when compared with those treated with dacarbazine, confirming the superior benefit of nivolumab over dacarbazine in terms of not only survival but also quality of survival from the patient's perspective. These results suggest that patients receiving nivolumab for melanoma can expect to maintain their quality of life throughout treatment.</p><p>Although these findings provide insights into the impact of nivolumab on HRQoL, several factors limit data interpretation. First, the study used PROs that were not developed and validated specifically for melanoma. However, given their common use in melanoma clinical trials, these instruments were considered to be the most content valid among those currently available. Additionally, an MID of 10 points was used to identify clinically meaningful differences for all EORTC QLQ-C30 domains [<xref rid="MDW265C7" ref-type="bibr">7</xref>], similar to previous HRQoL work in this disease, but this MID has been validated in only four domains (physical functioning, emotional functioning, social functioning, and global QoL). Thus, the MID analysis for the other domains should be interpreted with caution. In addition, the MID for EQ-5D, although commonly used in clinical studies, has not been validated in melanoma patients. Because the analyses in this study were exploratory, <italic>P</italic> values have not been adjusted for multiplicity and must be interpreted with caution. In addition to the statistical analyses, differences should be assessed according to MID to identify clinically meaningful data. Finally, the high attrition rate in the dacarbazine arm, possibly due to death and/or disease progression (median PFS 2.2 versus 5.1 months with nivolumab) [<xref rid="MDW265C3" ref-type="bibr">3</xref>], limited the comparative analyses at later time points in the study. More specifically, there was a significant difference between early and late dropout between treatment arms for both the EORTC QLQ-C30 and EQ-5D instruments, indicating that patients in the dacarbazine arm were more likely to dropout earlier than those in the nivolumab arm. A significant interaction between dropout, treatment, and time was observed for the EQ-5D VAS according to a PMM that was used to test the impact of missing data on treatment results. It is possible that the missing data for the EQ-5D VAS may not be considered at random, indicating that the MMRM results might be biased.</p><p>This study presents the results from a multi-step analytical plan, considering data descriptively, cross-sectionally, and longitudinally, along with a PMM sensitivity analysis, so that conclusions are supported by a range of analytical methods. In CheckMate 066, nivolumab was associated with maintenance of HRQoL baseline levels over time, in addition to the survival benefits and a manageable adverse event profile. The HRQoL results presented for this study further support the clinical benefit of nivolumab in patients with advanced melanoma and show that nivolumab provides long-term quality of survival benefit in this population. In the future, the HRQoL analyses carried out here should be replicated for nivolumab versus other standards of care or emerging therapies and be stratified by patient subgroup characteristics (e.g. <italic>BRAF</italic> mutation and PD-L1 expression status) to further delineate the clinical value of nivolumab in advanced melanoma.</p></sec><sec id="mdw265_s5"><title>funding</title><p>This study was funded by <funding-source>Bristol-Myers Squibb</funding-source>.</p></sec><sec id="mdw265_s6"><title>disclosure</title><p>GVL: honoraria: Bristol-Myers Squibb, Merck, GlaxoSmithKline, and Roche; consulting or advisory role: Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Merck, Novartis, and Roche. VA: honoraria: Bristol-Myers Squibb, GlaxoSmithKline, and Merck Sharp & Dohme; consulting or advisory role: Bristol-Myers Squibb and Merck Sharp & Dohme; travel, accommodations, and expenses: Bristol-Myers Squibb and Roche. PAA: honoraria: Bristol-Myers Squibb, Roche-Genentech, and Ventana; research funding: Bristol-Myers Squibb, Roche-Genentech, and Ventana. CR: honoraria: Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Merck, Novartis, and Roche; consulting or advisory role: Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Merck, Novartis, and Roche. JCH: honoraria: Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Merck Sharp & Dohme, and Roche; consulting or advisory role: Amgen and GlaxoSmithKline; speakers' bureau: Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Merck Sharp & Dohme, and Roche; travel, accommodations, and expenses: Amgen and Bristol-Myers Squibb. PR: honoraria: Bristol-Myers Squibb, GlaxoSmithKline, Merck Sharp & Dohme, Novartis, and Roche; consulting or advisory role: Amgen, Bristol-Myers Squibb, Merck Sharp & Dohme, and Roche; speakers' bureau: Merck Sharp & Dohme, Novartis, and Pfizer; research funding: Bristol-Myers Squibb; travel, accommodations, and expenses: Novartis. KJS: honoraria: Bristol-Myers Squibb, Celgene, and Seattle Genetics; consulting or advisory role: Bristol-Myers Squibb and Seattle Genetics; research funding: Roche. FT: employment: Adelphi Values; research funding: Bristol-Myers Squibb (for Adelphi Values). CC: none. IG: stock or other ownership: Bristol-Myers Squibb. HBD: employment: Bristol-Myers Squibb; stock or other ownership: Bristol-Myers Squibb. IMW: employment: Bristol-Myers Squibb; stock or other ownership: Bristol-Myers Squibb. APA: employment: Flatiron Health, Inc; leadership: Flatiron Health, Inc, Athenahealth, Inc; stock or other ownership: Athenahealth, Inc; honoraria: Bristol-Myers Squibb, Helsinn, and Merck; consulting or advisory role: ACORN Research, Bristol-Myers Squibb; research funding: Bristol-Myers Squibb, Celgene, DARA Biosciences, Dendreon, GlaxoSmithKline, Helsinn, Kanglaite, and Pfizer.</p></sec><sec sec-type="supplementary-material"><title>Supplementary Material</title><supplementary-material id="PMC_1" content-type="local-data"><caption><title>Supplementary Data</title></caption><media mimetype="text" mime-subtype="html" xlink:href="supp_27_10_1940__index.html"></media><media xlink:role="associated-file" mimetype="application" mime-subtype="msword" xlink:href="supp_mdw265_mdw265supp_data.docx"></media></supplementary-material></sec></body><back><ack><title>acknowledgements</title><p>The authors wish to thank the patients and families for making this study possible, Lucinda Orsini at Bristol-Myers Squibb for her contributions to the study, and Mike DeRosa at Adelphi Values for leading the statistical analysis. Professional medical writing assistance was provided by Mark Palangio and medical editing assistance was provided by Artur Romanchuk of StemScientific, an Ashfield Company, funded by Bristol-Myers Squibb. 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