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Impact of Age on the Efficacy of Newer Adjuvant Therapies in Patients With Stage II/III Colon Cancer: Findings From the ACCENT Database

Identifieur interne : 000445 ( France/Analysis ); précédent : 000444; suivant : 000446

Impact of Age on the Efficacy of Newer Adjuvant Therapies in Patients With Stage II/III Colon Cancer: Findings From the ACCENT Database

Auteurs : Nadine J. Mccleary [États-Unis] ; Jeffrey A. Meyerhardt [États-Unis] ; Erin Green [États-Unis] ; Greg Yothers [États-Unis] ; Aimery De Gramont [France] ; Eric Van Cutsem [Belgique] ; Michael O'Connell [États-Unis] ; Christopher J. Twelves [Royaume-Uni] ; Leonard B. Saltz [États-Unis] ; Daniel G. Haller [États-Unis] ; Daniel J. Sargent [États-Unis]

Source :

RBID : Pascal:13-0241735

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English descriptors

Abstract

Purpose Prior studies have suggested that patients with stage II/III colon cancer receive similar benefit from intravenous (IV) fluoropyrimidine adjuvant therapy regardless of age. Combination regimens and oral fluorouracil (FU) therapy are now standard. We examined the impact of age on colon cancer recurrence and mortality after adjuvant therapy with these newer options. Patients and Methods We analyzed 11,953 patients age < 70 and 2,575 age ≥ 70 years from seven adjuvant therapy trials comparing IV FU with oral fluoropyrimidines (capecitabine, uracil, or tegafur) or combinations of fluoropyrimidines with oxaliplatin or irinotecan in stage II/III colon cancer. End points were disease-free survival (DFS), overall survival (OS), and time to recurrence (TTR). Results In three studies comparing oxaliplatin-based chemotherapy with IV FU, statistically significant interactions were not observed between treatment arm and age (P interaction = .09 for DFS, .05 for OS, and .36 for TTR), although the stratified point estimates suggested limited benefit from the addition of oxaliplatin in elderly patients (DFS hazard ratio [HR], 0.94; 95% CI, 0.78 to 1.13; OS HR, 1.04; 95% CI, 0.85 to 1.27). No significant interactions by age were detected with oral fluoropyrimidine therapy compared with IV FU; noninferiority was supported in both age populations. Conclusion Patients age ≥ 70 years seemed to experience reduced benefit from adding oxaliplatin to fluoropyrimidines in the adjuvant setting, although statistically, there was not a significant effect modification by age, whereas oral fluoropyrimidines retained their efficacy.


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<name sortKey="Mccleary, Nadine J" sort="Mccleary, Nadine J" uniqKey="Mccleary N" first="Nadine J." last="Mccleary">Nadine J. Mccleary</name>
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<name sortKey="Meyerhardt, Jeffrey A" sort="Meyerhardt, Jeffrey A" uniqKey="Meyerhardt J" first="Jeffrey A." last="Meyerhardt">Jeffrey A. Meyerhardt</name>
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<name sortKey="Green, Erin" sort="Green, Erin" uniqKey="Green E" first="Erin" last="Green">Erin Green</name>
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<country>États-Unis</country>
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<name sortKey="Yothers, Greg" sort="Yothers, Greg" uniqKey="Yothers G" first="Greg" last="Yothers">Greg Yothers</name>
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<country>États-Unis</country>
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<settlement type="city">Pittsburgh</settlement>
<region type="state">Pennsylvanie</region>
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<orgName type="university">Université de Pittsburgh</orgName>
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<name sortKey="De Gramont, Aimery" sort="De Gramont, Aimery" uniqKey="De Gramont A" first="Aimery" last="De Gramont">Aimery De Gramont</name>
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<s1>Hôpital Saint Antoine</s1>
<s2>Paris</s2>
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<country>France</country>
<placeName>
<region type="region">Île-de-France</region>
<region type="old region">Île-de-France</region>
<settlement type="city">Paris</settlement>
</placeName>
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<name sortKey="Van Cutsem, Eric" sort="Van Cutsem, Eric" uniqKey="Van Cutsem E" first="Eric" last="Van Cutsem">Eric Van Cutsem</name>
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<s1>University Hospital Gasthuisberg</s1>
<s2>Leuven</s2>
<s3>BEL</s3>
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<country>Belgique</country>
<wicri:noRegion>University Hospital Gasthuisberg</wicri:noRegion>
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<name sortKey="O Connell, Michael" sort="O Connell, Michael" uniqKey="O Connell M" first="Michael" last="O'Connell">Michael O'Connell</name>
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<s1>Mayo Clinic</s1>
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<sZ>11 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>Mayo Clinic</wicri:noRegion>
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<name sortKey="Twelves, Christopher J" sort="Twelves, Christopher J" uniqKey="Twelves C" first="Christopher J." last="Twelves">Christopher J. Twelves</name>
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<s1>University of Leeds and St James's Institute of Oncology</s1>
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<country>Royaume-Uni</country>
<wicri:noRegion>University of Leeds and St James's Institute of Oncology</wicri:noRegion>
</affiliation>
</author>
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<name sortKey="Saltz, Leonard B" sort="Saltz, Leonard B" uniqKey="Saltz L" first="Leonard B." last="Saltz">Leonard B. Saltz</name>
<affiliation wicri:level="1">
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<s1>Memorial Sloan-Kettering Hospital</s1>
<s2>New York, NY</s2>
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<country>États-Unis</country>
<wicri:noRegion>Memorial Sloan-Kettering Hospital</wicri:noRegion>
</affiliation>
</author>
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<name sortKey="Haller, Daniel G" sort="Haller, Daniel G" uniqKey="Haller D" first="Daniel G." last="Haller">Daniel G. Haller</name>
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<inist:fA14 i1="04">
<s1>University of Pennsylvania</s1>
<s2>Philadelphia, PA</s2>
<s3>USA</s3>
<sZ>10 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>University of Pennsylvania</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Sargent, Daniel J" sort="Sargent, Daniel J" uniqKey="Sargent D" first="Daniel J." last="Sargent">Daniel J. Sargent</name>
<affiliation wicri:level="1">
<inist:fA14 i1="02">
<s1>Mayo Clinic</s1>
<s2>Rochester, MN</s2>
<s3>USA</s3>
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<sZ>7 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Mayo Clinic</wicri:noRegion>
</affiliation>
</author>
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<series>
<title level="j" type="main">Journal of clinical oncology</title>
<title level="j" type="abbreviated">J. clin. oncol.</title>
<idno type="ISSN">0732-183X</idno>
<imprint>
<date when="2013">2013</date>
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<title level="j" type="main">Journal of clinical oncology</title>
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<idno type="ISSN">0732-183X</idno>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Adjuvant treatment</term>
<term>Advanced stage</term>
<term>Age</term>
<term>Cancerology</term>
<term>Colon cancer</term>
<term>Database</term>
<term>Early stage</term>
<term>Human</term>
<term>Locally advanced stage</term>
<term>Treatment efficiency</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Cancer du côlon</term>
<term>Age</term>
<term>Efficacité traitement</term>
<term>Traitement adjuvant</term>
<term>Homme</term>
<term>Stade précoce</term>
<term>Stade avancé</term>
<term>Base de données</term>
<term>Cancérologie</term>
<term>Stade localement avancé</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Homme</term>
<term>Base de données</term>
</keywords>
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<front>
<div type="abstract" xml:lang="en">Purpose Prior studies have suggested that patients with stage II/III colon cancer receive similar benefit from intravenous (IV) fluoropyrimidine adjuvant therapy regardless of age. Combination regimens and oral fluorouracil (FU) therapy are now standard. We examined the impact of age on colon cancer recurrence and mortality after adjuvant therapy with these newer options. Patients and Methods We analyzed 11,953 patients age < 70 and 2,575 age ≥ 70 years from seven adjuvant therapy trials comparing IV FU with oral fluoropyrimidines (capecitabine, uracil, or tegafur) or combinations of fluoropyrimidines with oxaliplatin or irinotecan in stage II/III colon cancer. End points were disease-free survival (DFS), overall survival (OS), and time to recurrence (TTR). Results In three studies comparing oxaliplatin-based chemotherapy with IV FU, statistically significant interactions were not observed between treatment arm and age (P interaction = .09 for DFS, .05 for OS, and .36 for TTR), although the stratified point estimates suggested limited benefit from the addition of oxaliplatin in elderly patients (DFS hazard ratio [HR], 0.94; 95% CI, 0.78 to 1.13; OS HR, 1.04; 95% CI, 0.85 to 1.27). No significant interactions by age were detected with oral fluoropyrimidine therapy compared with IV FU; noninferiority was supported in both age populations. Conclusion Patients age ≥ 70 years seemed to experience reduced benefit from adding oxaliplatin to fluoropyrimidines in the adjuvant setting, although statistically, there was not a significant effect modification by age, whereas oral fluoropyrimidines retained their efficacy.</div>
</front>
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<country>
<li>Belgique</li>
<li>France</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region>
<li>Pennsylvanie</li>
<li>Île-de-France</li>
</region>
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<name sortKey="Mccleary, Nadine J" sort="Mccleary, Nadine J" uniqKey="Mccleary N" first="Nadine J." last="Mccleary">Nadine J. Mccleary</name>
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<name sortKey="O Connell, Michael" sort="O Connell, Michael" uniqKey="O Connell M" first="Michael" last="O'Connell">Michael O'Connell</name>
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<name sortKey="Van Cutsem, Eric" sort="Van Cutsem, Eric" uniqKey="Van Cutsem E" first="Eric" last="Van Cutsem">Eric Van Cutsem</name>
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<country name="Royaume-Uni">
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<name sortKey="Twelves, Christopher J" sort="Twelves, Christopher J" uniqKey="Twelves C" first="Christopher J." last="Twelves">Christopher J. Twelves</name>
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