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Effect of rasagiline as adjunct therapy to levodopa on severity of OFF in Parkinson’s disease

Identifieur interne : 000948 ( Main/Corpus ); précédent : 000947; suivant : 000949

Effect of rasagiline as adjunct therapy to levodopa on severity of OFF in Parkinson’s disease

Auteurs : F. Stocchi ; J. M. Rabey

Source :

RBID : ISTEX:72E14E1C2570C09CB28605C9016874A376D1CE91

English descriptors

Abstract

Background:  The LARGO study demonstrated that rasagiline 1 mg/day as adjunct to levodopa significantly reduces OFF time to the same magnitude as adjunct entacapone. This substudy of LARGO aimed to assess the effect of rasagiline and entacapone on the motor symptoms of PD during the practically defined OFF state. Methods:  LARGO was a randomized, double‐blind, multicenter trial that assessed the efficacy and safety of rasagiline (1 mg/day), entacapone (200 mg with each levodopa dose), and placebo in 687 levodopa‐treated PD patients with motor fluctuations. A substudy of LARGO measured UPDRS motor scores in the practically defined OFF state in 32 rasagiline, 36 entacapone, and 37 placebo patients. Results:  Treatment with rasagiline produced a significant improvement over placebo of 5.64 units in UPDRS motor OFF score (P = 0.013 vs. placebo). By contrast, the effect of adjunct entacapone was not significant (P = 0.14 vs. placebo). Whereas rasagiline also showed a trend in reducing the UPDRS‐ADL OFF score (P = 0.058 vs. placebo), no such trend was noted for entacapone (P = 0.26 vs. placebo). Retrospective analysis, using the Bonferroni correction, of UPDRS motor subdomains further revealed that rasagiline, but not entacapone, significantly improved bradykinesia (P < 0.001) and showed trends for improvements in facial expression, speech, and axial impairment during OFF time. Conclusions:  This study provides the first objectively measured evidence that adjunct rasagiline 1 mg/day is effective in reducing the severity of motor symptoms in the OFF state. This suggests a continuous effect of rasagiline 1 mg/day throughout the day and night and is consistent with its extended duration of therapeutic action.

Url:
DOI: 10.1111/j.1468-1331.2011.03512.x

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ISTEX:72E14E1C2570C09CB28605C9016874A376D1CE91

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<p>Background:  The LARGO study demonstrated that rasagiline 1 mg/day as adjunct to levodopa significantly reduces OFF time to the same magnitude as adjunct entacapone. This substudy of LARGO aimed to assess the effect of rasagiline and entacapone on the motor symptoms of PD during the practically defined OFF state. Methods:  LARGO was a randomized, double‐blind, multicenter trial that assessed the efficacy and safety of rasagiline (1 mg/day), entacapone (200 mg with each levodopa dose), and placebo in 687 levodopa‐treated PD patients with motor fluctuations. A substudy of LARGO measured UPDRS motor scores in the practically defined OFF state in 32 rasagiline, 36 entacapone, and 37 placebo patients. Results:  Treatment with rasagiline produced a significant improvement over placebo of 5.64 units in UPDRS motor OFF score (P = 0.013 vs. placebo). By contrast, the effect of adjunct entacapone was not significant (P = 0.14 vs. placebo). Whereas rasagiline also showed a trend in reducing the UPDRS‐ADL OFF score (P = 0.058 vs. placebo), no such trend was noted for entacapone (P = 0.26 vs. placebo). Retrospective analysis, using the Bonferroni correction, of UPDRS motor subdomains further revealed that rasagiline, but not entacapone, significantly improved bradykinesia (P < 0.001) and showed trends for improvements in facial expression, speech, and axial impairment during OFF time. Conclusions:  This study provides the first objectively measured evidence that adjunct rasagiline 1 mg/day is effective in reducing the severity of motor symptoms in the OFF state. This suggests a continuous effect of rasagiline 1 mg/day throughout the day and night and is consistent with its extended duration of therapeutic action.</p>
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<b>Background: </b>
The LARGO study demonstrated that rasagiline 1 mg/day as adjunct to levodopa significantly reduces OFF time to the same magnitude as adjunct entacapone. This substudy of LARGO aimed to assess the effect of rasagiline and entacapone on the motor symptoms of PD during the practically defined OFF state.</p>
<p>
<b>Methods: </b>
LARGO was a randomized, double‐blind, multicenter trial that assessed the efficacy and safety of rasagiline (1 mg/day), entacapone (200 mg with each levodopa dose), and placebo in 687 levodopa‐treated PD patients with motor fluctuations. A substudy of LARGO measured UPDRS motor scores in the practically defined OFF state in 32 rasagiline, 36 entacapone, and 37 placebo patients.</p>
<p>
<b>Results: </b>
Treatment with rasagiline produced a significant improvement over placebo of 5.64 units in UPDRS motor OFF score (
<i>P </i>
= 0.013 vs. placebo). By contrast, the effect of adjunct entacapone was not significant (
<i>P </i>
= 0.14 vs. placebo). Whereas rasagiline also showed a trend in reducing the UPDRS‐ADL OFF score (
<i>P </i>
= 0.058 vs. placebo), no such trend was noted for entacapone (
<i>P </i>
= 0.26 vs. placebo). Retrospective analysis, using the Bonferroni correction, of UPDRS motor subdomains further revealed that rasagiline, but not entacapone, significantly improved bradykinesia (
<i>P </i>
< 0.001) and showed trends for improvements in facial expression, speech, and axial impairment during OFF time.</p>
<p>
<b>Conclusions: </b>
This study provides the first objectively measured evidence that adjunct rasagiline 1 mg/day is effective in reducing the severity of motor symptoms in the OFF state. This suggests a continuous effect of rasagiline 1 mg/day throughout the day and night and is consistent with its extended duration of therapeutic action.</p>
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<p>Click
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<p>This work was corporately managed by Teva Pharmaceutical Industries, and sponsored by Teva Pharmaceutical Industries, and H Lundbeck A/S. Dr. Stocchi reports consulting fees from Teva, Lundbeck, GlaxoSmithKline, Boehringer Ingleheim, Newron, Merck Serono, Novartis, Impax, Schering Plough, Chiesi pharma and UCB. Dr Rabey was an investigator in a clinical multicenter study and received institutional support from Teva Pharmaceutical Industries Ltd for this study.</p>
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<b>This is a Continuing Medical Education article, and can be found with corresponding questions on the Internet at </b>
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<affiliation>Department of Neurology, Assaf Harofeh Medical Center, Zerifin, Affiliated to Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel</affiliation>
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<publisher>Blackwell Publishing Ltd</publisher>
<place>
<placeTerm type="text">Oxford, UK</placeTerm>
</place>
<dateIssued encoding="w3cdtf">2011-12</dateIssued>
<edition>Received 4 May 2011 Accepted 12 July 2011</edition>
<copyrightDate encoding="w3cdtf">2011</copyrightDate>
</originInfo>
<language>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
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<extent unit="figures">1</extent>
<extent unit="tables">3</extent>
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<abstract lang="en">Background:  The LARGO study demonstrated that rasagiline 1 mg/day as adjunct to levodopa significantly reduces OFF time to the same magnitude as adjunct entacapone. This substudy of LARGO aimed to assess the effect of rasagiline and entacapone on the motor symptoms of PD during the practically defined OFF state. Methods:  LARGO was a randomized, double‐blind, multicenter trial that assessed the efficacy and safety of rasagiline (1 mg/day), entacapone (200 mg with each levodopa dose), and placebo in 687 levodopa‐treated PD patients with motor fluctuations. A substudy of LARGO measured UPDRS motor scores in the practically defined OFF state in 32 rasagiline, 36 entacapone, and 37 placebo patients. Results:  Treatment with rasagiline produced a significant improvement over placebo of 5.64 units in UPDRS motor OFF score (P = 0.013 vs. placebo). By contrast, the effect of adjunct entacapone was not significant (P = 0.14 vs. placebo). Whereas rasagiline also showed a trend in reducing the UPDRS‐ADL OFF score (P = 0.058 vs. placebo), no such trend was noted for entacapone (P = 0.26 vs. placebo). Retrospective analysis, using the Bonferroni correction, of UPDRS motor subdomains further revealed that rasagiline, but not entacapone, significantly improved bradykinesia (P < 0.001) and showed trends for improvements in facial expression, speech, and axial impairment during OFF time. Conclusions:  This study provides the first objectively measured evidence that adjunct rasagiline 1 mg/day is effective in reducing the severity of motor symptoms in the OFF state. This suggests a continuous effect of rasagiline 1 mg/day throughout the day and night and is consistent with its extended duration of therapeutic action.</abstract>
<abstract type="short">Click here for the corresponding questions to this CME article.</abstract>
<subject lang="en">
<genre>Keywords</genre>
<topic>entacapone</topic>
<topic>motor control</topic>
<topic>Parkinson’s disease</topic>
<topic>rasagiline</topic>
</subject>
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<title>European Journal of Neurology</title>
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<genre type="Journal">journal</genre>
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<genre>article category</genre>
<topic>CME ARTICLE</topic>
</subject>
<identifier type="ISSN">1351-5101</identifier>
<identifier type="eISSN">1468-1331</identifier>
<identifier type="DOI">10.1111/(ISSN)1468-1331</identifier>
<identifier type="PublisherID">ENE</identifier>
<part>
<date>2011</date>
<detail type="volume">
<caption>vol.</caption>
<number>18</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>12</number>
</detail>
<extent unit="pages">
<start>1373</start>
<end>1378</end>
<total>6</total>
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</part>
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<identifier type="istex">72E14E1C2570C09CB28605C9016874A376D1CE91</identifier>
<identifier type="DOI">10.1111/j.1468-1331.2011.03512.x</identifier>
<identifier type="ArticleID">ENE3512</identifier>
<accessCondition type="use and reproduction" contentType="copyright">© 2011 The Author(s). European Journal of Neurology © 2011 EFNS</accessCondition>
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<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
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