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Imatinib compared with interferon and low-dose cytarabine for newly diagnosed chronic-phase chronic myeloid leukemia

Identifieur interne : 00B162 ( Main/Exploration ); précédent : 00B161; suivant : 00B163

Imatinib compared with interferon and low-dose cytarabine for newly diagnosed chronic-phase chronic myeloid leukemia

Auteurs : Stephen G. O'Brien [Royaume-Uni, France, États-Unis, Suisse, Italie, Espagne, Pays-Bas, Allemagne, Australie, Suède] ; Francois Guilhot ; Richard A. Larson ; Insa Gathmann ; Michele Baccarani ; Francisco Cervantes ; Jan J. Cornelissen ; Thomas Fischer ; Andreas Hochhaus ; Timothy Hughes ; Klaus Lechner ; Johan L. Nielsen ; Philippe Rousselot ; Josy Reiffers ; Giuseppe Saglio ; John Shepherd ; Bengt Simonsson ; Alois Gratwohl ; John M. Goldman ; Hagop Kantarjian ; Kerry Taylor ; Gregor Verhoef ; Ann E. Bolton ; Renaud Capdeville ; Brian J. Druker

Source :

RBID : Pascal:03-0195409

Descripteurs français

English descriptors

Abstract

BACKGROUND Imatinib, a selective inhibitor ofthe BCR-ABL tyrosine kinase, produces high response rates in patients with chronic-phase chronic myeloid leukemia (CML) who have had no response to interferon alfa. We compared the efficacy ofimatinib with that ofinterferon alfa combined with low-dose cytarabine in newly diagnosed chronic-phase CML. METHODS We randomly assigned 1106 patients to receive imatinib (553 patients) or interferon alfa plus low-dose cytarabine (553 patients). Crossover to the alternative group was allowed if stringent criteria defining treatment failure or intolerance were met. Patients were evaluated for hematologic and cytogenetic responses, toxic effects, and rates ofprogression. RESULTS After a median follow-up of 19 months, the estimated rate of a major cytogenetic response (0 to 35 percent of cells in metaphase positive for the Philadelphia chromosome) at 18 months was 87.1 percent (95 percent confidence interval, 84.1 to 90.0) in the imatinib group and 34.7 percent (95 percent confidence interval, 29.3 to 40.0) in the group given interferon alfa plus cytarabine (P<0.001). The estimated rates of complete cytogenetic response were 76.2 percent (95 percent confidence interval, 72.5 to 79.9) and 14.5 percent (95 percent confidence interval, 10.5 to 18.5), respectively (P<0.001). At 18 months, the estimated rate offreedom from progression to accelerated-phase or blast-crisis CML was 96.7 percent in the imatinib group and 91.5 percent in the combination-therapy group (P<0.001). Imatinib was better tolerated than combination therapy. CONCLUSIONS In terms of hematologic and cytogenetic responses, tolerability, and the likelihood of progression to accelerated-phase or blast-crisis CML, imatinib was superior to interferon alfa plus low-dose cytarabine as first-line therapy in newly diagnosed chronic-phase CML.


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<s1>University of Newcastle</s1>
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<settlement type="city">Barcelone</settlement>
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<s1>Erasmus Medical Center, Daniel Den Hoed Cancer Center</s1>
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<region type="land" nuts="2">Rhénanie-Palatinat</region>
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<wicri:noRegion>Royal Adelaide Hospital</wicri:noRegion>
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<name sortKey="Gathmann, Insa" sort="Gathmann, Insa" uniqKey="Gathmann I" first="Insa" last="Gathmann">Insa Gathmann</name>
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<name sortKey="Baccarani, Michele" sort="Baccarani, Michele" uniqKey="Baccarani M" first="Michele" last="Baccarani">Michele Baccarani</name>
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<name sortKey="Cervantes, Francisco" sort="Cervantes, Francisco" uniqKey="Cervantes F" first="Francisco" last="Cervantes">Francisco Cervantes</name>
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<name sortKey="Cornelissen, Jan J" sort="Cornelissen, Jan J" uniqKey="Cornelissen J" first="Jan J." last="Cornelissen">Jan J. Cornelissen</name>
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<name sortKey="Fischer, Thomas" sort="Fischer, Thomas" uniqKey="Fischer T" first="Thomas" last="Fischer">Thomas Fischer</name>
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<name sortKey="Hochhaus, Andreas" sort="Hochhaus, Andreas" uniqKey="Hochhaus A" first="Andreas" last="Hochhaus">Andreas Hochhaus</name>
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<name sortKey="Hughes, Timothy" sort="Hughes, Timothy" uniqKey="Hughes T" first="Timothy" last="Hughes">Timothy Hughes</name>
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<name sortKey="Lechner, Klaus" sort="Lechner, Klaus" uniqKey="Lechner K" first="Klaus" last="Lechner">Klaus Lechner</name>
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<name sortKey="Nielsen, Johan L" sort="Nielsen, Johan L" uniqKey="Nielsen J" first="Johan L." last="Nielsen">Johan L. Nielsen</name>
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<name sortKey="Rousselot, Philippe" sort="Rousselot, Philippe" uniqKey="Rousselot P" first="Philippe" last="Rousselot">Philippe Rousselot</name>
</author>
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<name sortKey="Reiffers, Josy" sort="Reiffers, Josy" uniqKey="Reiffers J" first="Josy" last="Reiffers">Josy Reiffers</name>
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<name sortKey="Saglio, Giuseppe" sort="Saglio, Giuseppe" uniqKey="Saglio G" first="Giuseppe" last="Saglio">Giuseppe Saglio</name>
</author>
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<name sortKey="Shepherd, John" sort="Shepherd, John" uniqKey="Shepherd J" first="John" last="Shepherd">John Shepherd</name>
</author>
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<name sortKey="Simonsson, Bengt" sort="Simonsson, Bengt" uniqKey="Simonsson B" first="Bengt" last="Simonsson">Bengt Simonsson</name>
</author>
<author>
<name sortKey="Gratwohl, Alois" sort="Gratwohl, Alois" uniqKey="Gratwohl A" first="Alois" last="Gratwohl">Alois Gratwohl</name>
</author>
<author>
<name sortKey="Goldman, John M" sort="Goldman, John M" uniqKey="Goldman J" first="John M." last="Goldman">John M. Goldman</name>
</author>
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<name sortKey="Kantarjian, Hagop" sort="Kantarjian, Hagop" uniqKey="Kantarjian H" first="Hagop" last="Kantarjian">Hagop Kantarjian</name>
</author>
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<name sortKey="Taylor, Kerry" sort="Taylor, Kerry" uniqKey="Taylor K" first="Kerry" last="Taylor">Kerry Taylor</name>
</author>
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<name sortKey="Verhoef, Gregor" sort="Verhoef, Gregor" uniqKey="Verhoef G" first="Gregor" last="Verhoef">Gregor Verhoef</name>
</author>
<author>
<name sortKey="Bolton, Ann E" sort="Bolton, Ann E" uniqKey="Bolton A" first="Ann E." last="Bolton">Ann E. Bolton</name>
</author>
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<name sortKey="Capdeville, Renaud" sort="Capdeville, Renaud" uniqKey="Capdeville R" first="Renaud" last="Capdeville">Renaud Capdeville</name>
</author>
<author>
<name sortKey="Druker, Brian J" sort="Druker, Brian J" uniqKey="Druker B" first="Brian J." last="Druker">Brian J. Druker</name>
</author>
</analytic>
<series>
<title level="j" type="main">The New England journal of medicine</title>
<title level="j" type="abbreviated">N. Engl. j. med.</title>
<idno type="ISSN">0028-4793</idno>
<imprint>
<date when="2003">2003</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt>
<title level="j" type="main">The New England journal of medicine</title>
<title level="j" type="abbreviated">N. Engl. j. med.</title>
<idno type="ISSN">0028-4793</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Chemotherapy</term>
<term>Chronic</term>
<term>Chronic myelocytic leukemia</term>
<term>Cytarabine</term>
<term>Diagnosis</term>
<term>Drug combination</term>
<term>Human</term>
<term>Interferon</term>
<term>Low dose</term>
<term>Multicenter study</term>
<term>Phase III trial</term>
<term>Pyrimidine nucleoside</term>
<term>Secondary effect</term>
<term>Tolerance</term>
<term>Treatment efficiency</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Leucémie myéloïde</term>
<term>Diagnostic</term>
<term>Chimiothérapie</term>
<term>Interféron</term>
<term>Association médicamenteuse</term>
<term>Dose faible</term>
<term>Cytarabine</term>
<term>Effet secondaire</term>
<term>Tolérance</term>
<term>Etude multicentrique</term>
<term>Essai clinique phase III</term>
<term>Efficacité traitement</term>
<term>Homme</term>
<term>Chronique</term>
<term>Pyrimidine nucléoside</term>
<term>Imatinib</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Homme</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">BACKGROUND Imatinib, a selective inhibitor ofthe BCR-ABL tyrosine kinase, produces high response rates in patients with chronic-phase chronic myeloid leukemia (CML) who have had no response to interferon alfa. We compared the efficacy ofimatinib with that ofinterferon alfa combined with low-dose cytarabine in newly diagnosed chronic-phase CML. METHODS We randomly assigned 1106 patients to receive imatinib (553 patients) or interferon alfa plus low-dose cytarabine (553 patients). Crossover to the alternative group was allowed if stringent criteria defining treatment failure or intolerance were met. Patients were evaluated for hematologic and cytogenetic responses, toxic effects, and rates ofprogression. RESULTS After a median follow-up of 19 months, the estimated rate of a major cytogenetic response (0 to 35 percent of cells in metaphase positive for the Philadelphia chromosome) at 18 months was 87.1 percent (95 percent confidence interval, 84.1 to 90.0) in the imatinib group and 34.7 percent (95 percent confidence interval, 29.3 to 40.0) in the group given interferon alfa plus cytarabine (P<0.001). The estimated rates of complete cytogenetic response were 76.2 percent (95 percent confidence interval, 72.5 to 79.9) and 14.5 percent (95 percent confidence interval, 10.5 to 18.5), respectively (P<0.001). At 18 months, the estimated rate offreedom from progression to accelerated-phase or blast-crisis CML was 96.7 percent in the imatinib group and 91.5 percent in the combination-therapy group (P<0.001). Imatinib was better tolerated than combination therapy. CONCLUSIONS In terms of hematologic and cytogenetic responses, tolerability, and the likelihood of progression to accelerated-phase or blast-crisis CML, imatinib was superior to interferon alfa plus low-dose cytarabine as first-line therapy in newly diagnosed chronic-phase CML.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Allemagne</li>
<li>Australie</li>
<li>Espagne</li>
<li>France</li>
<li>Italie</li>
<li>Pays-Bas</li>
<li>Royaume-Uni</li>
<li>Suisse</li>
<li>Suède</li>
<li>États-Unis</li>
</country>
<region>
<li>Bade-Wurtemberg</li>
<li>Catalogne</li>
<li>District de Karlsruhe</li>
<li>Hollande-Méridionale</li>
<li>Illinois</li>
<li>Nouvelle-Aquitaine</li>
<li>Poitou-Charentes</li>
<li>Rhénanie-Palatinat</li>
<li>Vienne (Autriche)</li>
</region>
<settlement>
<li>Barcelone</li>
<li>Chicago</li>
<li>Mannheim</li>
<li>Mayence</li>
<li>Poitiers</li>
<li>Rotterdam</li>
<li>Vienne (Autriche)</li>
</settlement>
</list>
<tree>
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<name sortKey="Baccarani, Michele" sort="Baccarani, Michele" uniqKey="Baccarani M" first="Michele" last="Baccarani">Michele Baccarani</name>
<name sortKey="Bolton, Ann E" sort="Bolton, Ann E" uniqKey="Bolton A" first="Ann E." last="Bolton">Ann E. Bolton</name>
<name sortKey="Capdeville, Renaud" sort="Capdeville, Renaud" uniqKey="Capdeville R" first="Renaud" last="Capdeville">Renaud Capdeville</name>
<name sortKey="Cervantes, Francisco" sort="Cervantes, Francisco" uniqKey="Cervantes F" first="Francisco" last="Cervantes">Francisco Cervantes</name>
<name sortKey="Cornelissen, Jan J" sort="Cornelissen, Jan J" uniqKey="Cornelissen J" first="Jan J." last="Cornelissen">Jan J. Cornelissen</name>
<name sortKey="Druker, Brian J" sort="Druker, Brian J" uniqKey="Druker B" first="Brian J." last="Druker">Brian J. Druker</name>
<name sortKey="Fischer, Thomas" sort="Fischer, Thomas" uniqKey="Fischer T" first="Thomas" last="Fischer">Thomas Fischer</name>
<name sortKey="Gathmann, Insa" sort="Gathmann, Insa" uniqKey="Gathmann I" first="Insa" last="Gathmann">Insa Gathmann</name>
<name sortKey="Goldman, John M" sort="Goldman, John M" uniqKey="Goldman J" first="John M." last="Goldman">John M. Goldman</name>
<name sortKey="Gratwohl, Alois" sort="Gratwohl, Alois" uniqKey="Gratwohl A" first="Alois" last="Gratwohl">Alois Gratwohl</name>
<name sortKey="Guilhot, Francois" sort="Guilhot, Francois" uniqKey="Guilhot F" first="Francois" last="Guilhot">Francois Guilhot</name>
<name sortKey="Hochhaus, Andreas" sort="Hochhaus, Andreas" uniqKey="Hochhaus A" first="Andreas" last="Hochhaus">Andreas Hochhaus</name>
<name sortKey="Hughes, Timothy" sort="Hughes, Timothy" uniqKey="Hughes T" first="Timothy" last="Hughes">Timothy Hughes</name>
<name sortKey="Kantarjian, Hagop" sort="Kantarjian, Hagop" uniqKey="Kantarjian H" first="Hagop" last="Kantarjian">Hagop Kantarjian</name>
<name sortKey="Larson, Richard A" sort="Larson, Richard A" uniqKey="Larson R" first="Richard A." last="Larson">Richard A. Larson</name>
<name sortKey="Lechner, Klaus" sort="Lechner, Klaus" uniqKey="Lechner K" first="Klaus" last="Lechner">Klaus Lechner</name>
<name sortKey="Nielsen, Johan L" sort="Nielsen, Johan L" uniqKey="Nielsen J" first="Johan L." last="Nielsen">Johan L. Nielsen</name>
<name sortKey="Reiffers, Josy" sort="Reiffers, Josy" uniqKey="Reiffers J" first="Josy" last="Reiffers">Josy Reiffers</name>
<name sortKey="Rousselot, Philippe" sort="Rousselot, Philippe" uniqKey="Rousselot P" first="Philippe" last="Rousselot">Philippe Rousselot</name>
<name sortKey="Saglio, Giuseppe" sort="Saglio, Giuseppe" uniqKey="Saglio G" first="Giuseppe" last="Saglio">Giuseppe Saglio</name>
<name sortKey="Shepherd, John" sort="Shepherd, John" uniqKey="Shepherd J" first="John" last="Shepherd">John Shepherd</name>
<name sortKey="Simonsson, Bengt" sort="Simonsson, Bengt" uniqKey="Simonsson B" first="Bengt" last="Simonsson">Bengt Simonsson</name>
<name sortKey="Taylor, Kerry" sort="Taylor, Kerry" uniqKey="Taylor K" first="Kerry" last="Taylor">Kerry Taylor</name>
<name sortKey="Verhoef, Gregor" sort="Verhoef, Gregor" uniqKey="Verhoef G" first="Gregor" last="Verhoef">Gregor Verhoef</name>
</noCountry>
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<noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</noRegion>
</country>
<country name="France">
<region name="Nouvelle-Aquitaine">
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</region>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</country>
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<region name="Illinois">
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</region>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
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<noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</noRegion>
</country>
<country name="Italie">
<noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</country>
<country name="Espagne">
<region name="Catalogne">
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</region>
</country>
<country name="Pays-Bas">
<region name="Hollande-Méridionale">
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
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<country name="Allemagne">
<region name="Rhénanie-Palatinat">
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
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<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
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<country name="Australie">
<noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</noRegion>
</country>
<country name="Suède">
<noRegion>
<name sortKey="O Brien, Stephen G" sort="O Brien, Stephen G" uniqKey="O Brien S" first="Stephen G." last="O'Brien">Stephen G. O'Brien</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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