Minocycline 1-year therapy in multiple-system-atrophy: effect on clinical symptoms and [(11)C] (R)-PK11195 PET (MEMSA-trial).
Identifieur interne : 001A52 ( PubMed/Curation ); précédent : 001A51; suivant : 001A53Minocycline 1-year therapy in multiple-system-atrophy: effect on clinical symptoms and [(11)C] (R)-PK11195 PET (MEMSA-trial).
Auteurs : Richard Dodel [Allemagne] ; Annika Spottke ; Alexander Gerhard ; Alexander Reuss ; Sylvia Reinecker ; Nicole Schimke ; Claudia Trenkwalder ; Friederike Sixel-Döring ; Birgit Herting ; Christoph Kamm ; Thomas Gasser ; Martin Sawires ; Felix Geser ; Martin Köllensperger ; Klaus Seppi ; Manja Kloss ; Martin Krause ; Christine Daniels ; Günther Deuschl ; Silke Böttger ; Markus Naumann ; Axel Lipp ; Doreen Gruber ; Andreas Kupsch ; Yansheng Du ; Federico Turkheimer ; David J. Brooks ; Thomas Klockgether ; Werner Poewe ; Gregor Wenning ; Carmen Schade-Brittinger ; Wolfgang H. Oertel ; Karla EggertSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2010.
English descriptors
- KwdEn :
- Adult, Aged, Double-Blind Method, Female, Follow-Up Studies, Humans, Isoquinolines (diagnostic use), Magnetic Resonance Imaging (methods), Male, Middle Aged, Minocycline (therapeutic use), Multiple System Atrophy (drug therapy), Multiple System Atrophy (psychology), Multiple System Atrophy (radionuclide imaging), Neuroprotective Agents (therapeutic use), Positron-Emission Tomography (methods), Quality of Life, Severity of Illness Index, Statistics, Nonparametric, Time Factors, Treatment Outcome.
- MESH :
- chemical , diagnostic use : Isoquinolines.
- drug therapy : Multiple System Atrophy.
- methods : Magnetic Resonance Imaging, Positron-Emission Tomography.
- psychology : Multiple System Atrophy.
- radionuclide imaging : Multiple System Atrophy.
- chemical , therapeutic use : Minocycline, Neuroprotective Agents.
- Adult, Aged, Double-Blind Method, Female, Follow-Up Studies, Humans, Male, Middle Aged, Quality of Life, Severity of Illness Index, Statistics, Nonparametric, Time Factors, Treatment Outcome.
Abstract
The aim of the study was to investigate the efficacy of the antibiotic minocycline as a drug treatment in patients with Multiple-System-Atrophy Parkinson-type (MSA-P). Sixty-three patients were randomized to minocycline 200 mg/d (n = 32) or a matching placebo (n = 31). The primary outcome variable was the change in the value of the motor score of the Unified Multiple-System-Atrophy Rating-Scale (UMSARSII) from baseline to 48 weeks. Secondary outcome variables included subscores and individual Parkinsonian symptoms as determined by the UMSARS and the Unified-Parkinson's-Disease Rating-Scale (UPDRS). Health-related quality of life (HrQoL) was assessed using the EQ-5D and SF-12. "Progression rate" was assumed to be reflected in the change in motor function over 48 weeks. At 24 weeks and 48 weeks of follow-up, there was a significant deterioration in motor scores in both groups, but neither the change in UMSARSII nor in UPDRSIII differed significantly between treatment groups, i.e. "progression rate" was considered to be similar in both treatment arms. HrQoL did not differ among the two treatment arms. In a small subgroup of patients (n = 8; minocycline = 3, placebo = 5)[(11)C](R)-PK11195-PET was performed. The three patients in the minocycline group had an attenuated mean increase in microglial activation as compared to the placebo group (P = 0.07) and in two of them individually showed decreased [11C](R)-PK11195 binding actually decreased. These preliminary PET-data suggest that minocycline may interfere with microglial activation. The relevance of this observation requires further investigation. This prospective, 48 week, randomized, double-blind, multinational study failed to show a clinical effect of minocycline on symptom severity as assessed by clinical motor function.
DOI: 10.1002/mds.22732
PubMed: 20014118
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<front><div type="abstract" xml:lang="en">The aim of the study was to investigate the efficacy of the antibiotic minocycline as a drug treatment in patients with Multiple-System-Atrophy Parkinson-type (MSA-P). Sixty-three patients were randomized to minocycline 200 mg/d (n = 32) or a matching placebo (n = 31). The primary outcome variable was the change in the value of the motor score of the Unified Multiple-System-Atrophy Rating-Scale (UMSARSII) from baseline to 48 weeks. Secondary outcome variables included subscores and individual Parkinsonian symptoms as determined by the UMSARS and the Unified-Parkinson's-Disease Rating-Scale (UPDRS). Health-related quality of life (HrQoL) was assessed using the EQ-5D and SF-12. "Progression rate" was assumed to be reflected in the change in motor function over 48 weeks. At 24 weeks and 48 weeks of follow-up, there was a significant deterioration in motor scores in both groups, but neither the change in UMSARSII nor in UPDRSIII differed significantly between treatment groups, i.e. "progression rate" was considered to be similar in both treatment arms. HrQoL did not differ among the two treatment arms. In a small subgroup of patients (n = 8; minocycline = 3, placebo = 5)[(11)C](R)-PK11195-PET was performed. The three patients in the minocycline group had an attenuated mean increase in microglial activation as compared to the placebo group (P = 0.07) and in two of them individually showed decreased [11C](R)-PK11195 binding actually decreased. These preliminary PET-data suggest that minocycline may interfere with microglial activation. The relevance of this observation requires further investigation. This prospective, 48 week, randomized, double-blind, multinational study failed to show a clinical effect of minocycline on symptom severity as assessed by clinical motor function.</div>
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<ArticleTitle>Minocycline 1-year therapy in multiple-system-atrophy: effect on clinical symptoms and [(11)C] (R)-PK11195 PET (MEMSA-trial).</ArticleTitle>
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<Abstract><AbstractText>The aim of the study was to investigate the efficacy of the antibiotic minocycline as a drug treatment in patients with Multiple-System-Atrophy Parkinson-type (MSA-P). Sixty-three patients were randomized to minocycline 200 mg/d (n = 32) or a matching placebo (n = 31). The primary outcome variable was the change in the value of the motor score of the Unified Multiple-System-Atrophy Rating-Scale (UMSARSII) from baseline to 48 weeks. Secondary outcome variables included subscores and individual Parkinsonian symptoms as determined by the UMSARS and the Unified-Parkinson's-Disease Rating-Scale (UPDRS). Health-related quality of life (HrQoL) was assessed using the EQ-5D and SF-12. "Progression rate" was assumed to be reflected in the change in motor function over 48 weeks. At 24 weeks and 48 weeks of follow-up, there was a significant deterioration in motor scores in both groups, but neither the change in UMSARSII nor in UPDRSIII differed significantly between treatment groups, i.e. "progression rate" was considered to be similar in both treatment arms. HrQoL did not differ among the two treatment arms. In a small subgroup of patients (n = 8; minocycline = 3, placebo = 5)[(11)C](R)-PK11195-PET was performed. The three patients in the minocycline group had an attenuated mean increase in microglial activation as compared to the placebo group (P = 0.07) and in two of them individually showed decreased [11C](R)-PK11195 binding actually decreased. These preliminary PET-data suggest that minocycline may interfere with microglial activation. The relevance of this observation requires further investigation. This prospective, 48 week, randomized, double-blind, multinational study failed to show a clinical effect of minocycline on symptom severity as assessed by clinical motor function.</AbstractText>
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<ForeName>Richard</ForeName>
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<ForeName>Alexander</ForeName>
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<MedlineTA>Mov Disord</MedlineTA>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D008911">Minocycline</DescriptorName>
<QualifierName MajorTopicYN="Y" UI="Q000627">therapeutic use</QualifierName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D019578">Multiple System Atrophy</DescriptorName>
<QualifierName MajorTopicYN="Y" UI="Q000188">drug therapy</QualifierName>
<QualifierName MajorTopicYN="N" UI="Q000523">psychology</QualifierName>
<QualifierName MajorTopicYN="Y" UI="Q000531">radionuclide imaging</QualifierName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D049268">Positron-Emission Tomography</DescriptorName>
<QualifierName MajorTopicYN="N" UI="Q000379">methods</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011788">Quality of Life</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D012720">Severity of Illness Index</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D018709">Statistics, Nonparametric</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D013997">Time Factors</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D016896">Treatment Outcome</DescriptorName>
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<PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year>
<Month>12</Month>
<Day>17</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="pubmed"><Year>2009</Year>
<Month>12</Month>
<Day>17</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline"><Year>2010</Year>
<Month>4</Month>
<Day>7</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="doi">10.1002/mds.22732</ArticleId>
<ArticleId IdType="pubmed">20014118</ArticleId>
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