Movement Disorders (revue)

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Levodopa in the treatment of Parkinson's disease: Current controversies

Identifieur interne : 003C69 ( Main/Exploration ); précédent : 003C68; suivant : 003C70

Levodopa in the treatment of Parkinson's disease: Current controversies

Auteurs : C. Warren Olanow [États-Unis] ; Yves Agid [France] ; Yoshi Mizuno [Japon] ; Alberto Albanese [Italie] ; U. Bonucelli [Italie] ; Philip Damier [France] ; Justo De Yebenes [Espagne] ; Oscar Gershanik [Argentine] ; Mark Guttman [Canada] ; F. Grandas [Espagne] ; Mark Hallett [États-Unis] ; Ole Hornykiewicz [Autriche] ; Peter Jenner [Royaume-Uni] ; R. Katzenschlager [Royaume-Uni] ; William J. Langston [États-Unis] ; Peter Lewitt [États-Unis] ; Eldad Melamed [Israël] ; M. A. Mena [Espagne] ; P. P. Michel [France] ; Catherine Mytilineou [États-Unis] ; Jose A. Obeso [Espagne] ; Werner Poewe [Autriche] ; Niall Quinn [Royaume-Uni] ; R. Raisman-Vozari [France] ; Ali H. Rajput [Canada] ; Olivier Rascol [France] ; Christina Sampaio [Portugal] ; Fabrizio Stocchi [Italie]

Source :

RBID : ISTEX:BB30349AF852C8DA89AA6C25FC669A192C301574

Descripteurs français

English descriptors

Abstract

Levodopa is the most effective symptomatic agent in the treatment of Parkinson's disease (PD) and the “gold standard” against which new agents must be compared. However, there remain two areas of controversy: (1) whether levodopa is toxic, and (2) whether levodopa directly causes motor complications. Levodopa is toxic to cultured dopamine neurons, and this may be a problem in PD where there is evidence of oxidative stress in the nigra. However, there is little firm evidence to suggest that levodopa is toxic in vivo or in PD. Clinical trials have not clarified this situation. Levodopa is also associated with motor complications. Increasing evidence suggests that they are related, at least in part, to the short half‐life of the drug (and its potential to induce pulsatile stimulation of dopamine receptors) rather than to specific properties of the molecule. Treatment strategies that provide more continuous stimulation of dopamine receptors provide reduced motor complications in MPTP monkeys and PD patients. These studies raise the possibility that more continuous and physiological delivery of levodopa might reduce the risk of motor complications. Clinical trials to test this hypothesis are underway. We review current evidence relating to these areas of controversy. © 2004 Movement Disorder Society

Url:
DOI: 10.1002/mds.20243


Affiliations:


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<wicri:regionArea>Department of Neurology, Mount Sinai School of Medicine, New York, New York</wicri:regionArea>
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<name sortKey="Quinn, Niall" sort="Quinn, Niall" uniqKey="Quinn N" first="Niall" last="Quinn">Niall Quinn</name>
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<country xml:lang="fr">Royaume-Uni</country>
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<name sortKey="Raisman Ozari, R" sort="Raisman Ozari, R" uniqKey="Raisman Ozari R" first="R." last="Raisman-Vozari">R. Raisman-Vozari</name>
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<country xml:lang="fr">France</country>
<wicri:regionArea>Hopital de la Salpetriere, Paris</wicri:regionArea>
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<settlement type="city">Paris</settlement>
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<name sortKey="Rajput, Ali H" sort="Rajput, Ali H" uniqKey="Rajput A" first="Ali H." last="Rajput">Ali H. Rajput</name>
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<country xml:lang="fr">Canada</country>
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<name sortKey="Rascol, Olivier" sort="Rascol, Olivier" uniqKey="Rascol O" first="Olivier" last="Rascol">Olivier Rascol</name>
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<country xml:lang="fr">France</country>
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<settlement type="city">Toulouse</settlement>
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<settlement type="city">Toulouse</settlement>
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<name sortKey="Sampaio, Christina" sort="Sampaio, Christina" uniqKey="Sampaio C" first="Christina" last="Sampaio">Christina Sampaio</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Portugal</country>
<wicri:regionArea>R Dr Antonio Loureiro Borges, Lisbon</wicri:regionArea>
<wicri:noRegion>Lisbon</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Stocchi, Fabrizio" sort="Stocchi, Fabrizio" uniqKey="Stocchi F" first="Fabrizio" last="Stocchi">Fabrizio Stocchi</name>
<affiliation wicri:level="3">
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Department of Neurosciences, University of Rome, La Sapienza, San Raffaele Hospital, Rome</wicri:regionArea>
<placeName>
<settlement type="city">Rome</settlement>
<region nuts="2">Latium</region>
</placeName>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series>
<title level="j">Movement Disorders</title>
<title level="j" type="abbrev">Mov. Disord.</title>
<idno type="ISSN">0885-3185</idno>
<idno type="eISSN">1531-8257</idno>
<imprint>
<publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher>
<pubPlace>Hoboken</pubPlace>
<date type="published" when="2004-09">2004-09</date>
<biblScope unit="vol">19</biblScope>
<biblScope unit="issue">9</biblScope>
<biblScope unit="page" from="997">997</biblScope>
<biblScope unit="page" to="1005">1005</biblScope>
</imprint>
<idno type="ISSN">0885-3185</idno>
</series>
<idno type="istex">BB30349AF852C8DA89AA6C25FC669A192C301574</idno>
<idno type="DOI">10.1002/mds.20243</idno>
<idno type="ArticleID">MDS20243</idno>
</biblStruct>
</sourceDesc>
<seriesStmt>
<idno type="ISSN">0885-3185</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Antiparkinson Agents (adverse effects)</term>
<term>Antiparkinson Agents (pharmacokinetics)</term>
<term>Antiparkinson Agents (therapeutic use)</term>
<term>Corpus Striatum (drug effects)</term>
<term>Corpus Striatum (metabolism)</term>
<term>Dyskinesia, Drug-Induced (etiology)</term>
<term>Humans</term>
<term>Levodopa</term>
<term>Levodopa (adverse effects)</term>
<term>Levodopa (pharmacokinetics)</term>
<term>Levodopa (therapeutic use)</term>
<term>Nervous system diseases</term>
<term>Parkinson Disease (drug therapy)</term>
<term>Parkinson disease</term>
<term>Parkinson's disease</term>
<term>Receptors, Dopamine (drug effects)</term>
<term>Receptors, Dopamine (metabolism)</term>
<term>Treatment</term>
<term>dyskinesia</term>
<term>levodopa</term>
<term>motor complications</term>
<term>neurotoxicity</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="adverse effects" xml:lang="en">
<term>Antiparkinson Agents</term>
<term>Levodopa</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="drug effects" xml:lang="en">
<term>Receptors, Dopamine</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en">
<term>Receptors, Dopamine</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en">
<term>Antiparkinson Agents</term>
<term>Levodopa</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="therapeutic use" xml:lang="en">
<term>Antiparkinson Agents</term>
<term>Levodopa</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en">
<term>Corpus Striatum</term>
</keywords>
<keywords scheme="MESH" qualifier="drug therapy" xml:lang="en">
<term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" qualifier="etiology" xml:lang="en">
<term>Dyskinesia, Drug-Induced</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Corpus Striatum</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Humans</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Lévodopa</term>
<term>Parkinson maladie</term>
<term>Système nerveux pathologie</term>
<term>Traitement</term>
</keywords>
</textClass>
<langUsage>
<language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Levodopa is the most effective symptomatic agent in the treatment of Parkinson's disease (PD) and the “gold standard” against which new agents must be compared. However, there remain two areas of controversy: (1) whether levodopa is toxic, and (2) whether levodopa directly causes motor complications. Levodopa is toxic to cultured dopamine neurons, and this may be a problem in PD where there is evidence of oxidative stress in the nigra. However, there is little firm evidence to suggest that levodopa is toxic in vivo or in PD. Clinical trials have not clarified this situation. Levodopa is also associated with motor complications. Increasing evidence suggests that they are related, at least in part, to the short half‐life of the drug (and its potential to induce pulsatile stimulation of dopamine receptors) rather than to specific properties of the molecule. Treatment strategies that provide more continuous stimulation of dopamine receptors provide reduced motor complications in MPTP monkeys and PD patients. These studies raise the possibility that more continuous and physiological delivery of levodopa might reduce the risk of motor complications. Clinical trials to test this hypothesis are underway. We review current evidence relating to these areas of controversy. © 2004 Movement Disorder Society</div>
</front>
</TEI>
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<list>
<country>
<li>Argentine</li>
<li>Autriche</li>
<li>Canada</li>
<li>Espagne</li>
<li>France</li>
<li>Israël</li>
<li>Italie</li>
<li>Japon</li>
<li>Portugal</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region>
<li>Angleterre</li>
<li>Californie</li>
<li>Communauté de Madrid</li>
<li>Grand Londres</li>
<li>Latium</li>
<li>Maryland</li>
<li>Michigan</li>
<li>Midi-Pyrénées</li>
<li>Ontario</li>
<li>Tyrol (Land)</li>
<li>Vienne (Autriche)</li>
<li>État de New York</li>
<li>Île-de-France</li>
</region>
<settlement>
<li>Innsbruck</li>
<li>Londres</li>
<li>Madrid</li>
<li>Nantes</li>
<li>Paris</li>
<li>Rome</li>
<li>Tokyo</li>
<li>Toronto</li>
<li>Toulouse</li>
<li>Vienne (Autriche)</li>
</settlement>
<orgName>
<li>Hôpital de la Salpêtrière</li>
<li>Université Toulouse III - Paul Sabatier</li>
<li>Université autonome de Madrid</li>
<li>Université de Toronto</li>
<li>Université de Toulouse</li>
<li>Université de médecine d'Innsbruck</li>
</orgName>
</list>
<tree>
<country name="États-Unis">
<region name="État de New York">
<name sortKey="Olanow, C Warren" sort="Olanow, C Warren" uniqKey="Olanow C" first="C. Warren" last="Olanow">C. Warren Olanow</name>
</region>
<name sortKey="Hallett, Mark" sort="Hallett, Mark" uniqKey="Hallett M" first="Mark" last="Hallett">Mark Hallett</name>
<name sortKey="Langston, William J" sort="Langston, William J" uniqKey="Langston W" first="William J." last="Langston">William J. Langston</name>
<name sortKey="Lewitt, Peter" sort="Lewitt, Peter" uniqKey="Lewitt P" first="Peter" last="Lewitt">Peter Lewitt</name>
<name sortKey="Mytilineou, Catherine" sort="Mytilineou, Catherine" uniqKey="Mytilineou C" first="Catherine" last="Mytilineou">Catherine Mytilineou</name>
</country>
<country name="France">
<noRegion>
<name sortKey="Agid, Yves" sort="Agid, Yves" uniqKey="Agid Y" first="Yves" last="Agid">Yves Agid</name>
</noRegion>
<name sortKey="Damier, Philip" sort="Damier, Philip" uniqKey="Damier P" first="Philip" last="Damier">Philip Damier</name>
<name sortKey="Michel, P P" sort="Michel, P P" uniqKey="Michel P" first="P. P." last="Michel">P. P. Michel</name>
<name sortKey="Raisman Ozari, R" sort="Raisman Ozari, R" uniqKey="Raisman Ozari R" first="R." last="Raisman-Vozari">R. Raisman-Vozari</name>
<name sortKey="Rascol, Olivier" sort="Rascol, Olivier" uniqKey="Rascol O" first="Olivier" last="Rascol">Olivier Rascol</name>
</country>
<country name="Japon">
<noRegion>
<name sortKey="Mizuno, Yoshi" sort="Mizuno, Yoshi" uniqKey="Mizuno Y" first="Yoshi" last="Mizuno">Yoshi Mizuno</name>
</noRegion>
</country>
<country name="Italie">
<noRegion>
<name sortKey="Albanese, Alberto" sort="Albanese, Alberto" uniqKey="Albanese A" first="Alberto" last="Albanese">Alberto Albanese</name>
</noRegion>
<name sortKey="Bonucelli, U" sort="Bonucelli, U" uniqKey="Bonucelli U" first="U." last="Bonucelli">U. Bonucelli</name>
<name sortKey="Stocchi, Fabrizio" sort="Stocchi, Fabrizio" uniqKey="Stocchi F" first="Fabrizio" last="Stocchi">Fabrizio Stocchi</name>
</country>
<country name="Espagne">
<region name="Communauté de Madrid">
<name sortKey="De Yebenes, Justo" sort="De Yebenes, Justo" uniqKey="De Yebenes J" first="Justo" last="De Yebenes">Justo De Yebenes</name>
</region>
<name sortKey="Grandas, F" sort="Grandas, F" uniqKey="Grandas F" first="F." last="Grandas">F. Grandas</name>
<name sortKey="Mena, M A" sort="Mena, M A" uniqKey="Mena M" first="M. A." last="Mena">M. A. Mena</name>
<name sortKey="Obeso, Jose A" sort="Obeso, Jose A" uniqKey="Obeso J" first="Jose A." last="Obeso">Jose A. Obeso</name>
</country>
<country name="Argentine">
<noRegion>
<name sortKey="Gershanik, Oscar" sort="Gershanik, Oscar" uniqKey="Gershanik O" first="Oscar" last="Gershanik">Oscar Gershanik</name>
</noRegion>
</country>
<country name="Canada">
<region name="Ontario">
<name sortKey="Guttman, Mark" sort="Guttman, Mark" uniqKey="Guttman M" first="Mark" last="Guttman">Mark Guttman</name>
</region>
<name sortKey="Rajput, Ali H" sort="Rajput, Ali H" uniqKey="Rajput A" first="Ali H." last="Rajput">Ali H. Rajput</name>
</country>
<country name="Autriche">
<region name="Vienne (Autriche)">
<name sortKey="Hornykiewicz, Ole" sort="Hornykiewicz, Ole" uniqKey="Hornykiewicz O" first="Ole" last="Hornykiewicz">Ole Hornykiewicz</name>
</region>
<name sortKey="Poewe, Werner" sort="Poewe, Werner" uniqKey="Poewe W" first="Werner" last="Poewe">Werner Poewe</name>
</country>
<country name="Royaume-Uni">
<region name="Angleterre">
<name sortKey="Jenner, Peter" sort="Jenner, Peter" uniqKey="Jenner P" first="Peter" last="Jenner">Peter Jenner</name>
</region>
<name sortKey="Katzenschlager, R" sort="Katzenschlager, R" uniqKey="Katzenschlager R" first="R." last="Katzenschlager">R. Katzenschlager</name>
<name sortKey="Quinn, Niall" sort="Quinn, Niall" uniqKey="Quinn N" first="Niall" last="Quinn">Niall Quinn</name>
</country>
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<name sortKey="Melamed, Eldad" sort="Melamed, Eldad" uniqKey="Melamed E" first="Eldad" last="Melamed">Eldad Melamed</name>
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<country name="Portugal">
<noRegion>
<name sortKey="Sampaio, Christina" sort="Sampaio, Christina" uniqKey="Sampaio C" first="Christina" last="Sampaio">Christina Sampaio</name>
</noRegion>
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</record>

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