Movement Disorders (revue)

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Meta‐analysis of neutralizing antibody conversion with onabotulinumtoxinA (BOTOX®) across multiple indications

Identifieur interne : 000485 ( Istex/Corpus ); précédent : 000484; suivant : 000486

Meta‐analysis of neutralizing antibody conversion with onabotulinumtoxinA (BOTOX®) across multiple indications

Auteurs : Markus Naumann ; Alastair Carruthers ; Jean Carruthers ; Sheena K. Aurora ; Ross Zafonte ; Susan Abu-Shakra ; Terry Boodhoo ; Mary Ann Miller-Messana ; George Demos ; Lynn James ; Frederick Beddingfield ; Amanda Vandenburgh ; Mary Ann Chapman ; Mitchell F. Brin

Source :

RBID : ISTEX:9D49D0608959680754775765CD828182E3869E3E

English descriptors

Abstract

This meta‐analysis evaluated the frequency of neutralizing antibody (nAb) conversion with onabotulinumtoxinA (BOTOX®; Allergan) across five studied indications. The analysis was based on large, controlled or prospective, open‐label trials (durations 4 months to ≥2 years). Serum samples were analyzed for nAbs using the Mouse Protection Assay. Subjects who were antibody negative at baseline and had at least one analyzable postbaseline antibody assay result were included. The 16 clinical studies included 3,006 subjects; of these, 2,240 met the inclusion criteria for this analysis. Subjects received 1–15 treatments (mean 3.8 treatments) with onabotulinumtoxinA. Total doses per treatment cycle ranged from 10 or 20 units in glabellar lines to 20–500 units in cervical dystonia. The numbers of subjects who converted from an antibody‐negative status at baseline to antibody‐positive status at any post‐treatment time point were: cervical dystonia 4/312 (1.28%), glabellar lines 2/718 (0.28%), overactive bladder 0/22 (0%), post‐stroke spasticity 1/317 (0.32%), and primary axillary hyperhidrosis 4/871 (0.46%). Across all indications, 11/2,240 subjects (0.49%) converted from antibody negative at baseline to positive at one or more post‐treatment time points, but only three subjects became clinically unresponsive to onabotulinumtoxinA at some point following a positive assay. Based on these large trials, the frequency of antibody conversion after onabotulinumtoxinA treatment is very low, and infrequently leads to loss of efficacy. © 2010 Movement Disorder Society

Url:
DOI: 10.1002/mds.23254

Links to Exploration step

ISTEX:9D49D0608959680754775765CD828182E3869E3E

Le document en format XML

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<div type="abstract" xml:lang="en">This meta‐analysis evaluated the frequency of neutralizing antibody (nAb) conversion with onabotulinumtoxinA (BOTOX®; Allergan) across five studied indications. The analysis was based on large, controlled or prospective, open‐label trials (durations 4 months to ≥2 years). Serum samples were analyzed for nAbs using the Mouse Protection Assay. Subjects who were antibody negative at baseline and had at least one analyzable postbaseline antibody assay result were included. The 16 clinical studies included 3,006 subjects; of these, 2,240 met the inclusion criteria for this analysis. Subjects received 1–15 treatments (mean 3.8 treatments) with onabotulinumtoxinA. Total doses per treatment cycle ranged from 10 or 20 units in glabellar lines to 20–500 units in cervical dystonia. The numbers of subjects who converted from an antibody‐negative status at baseline to antibody‐positive status at any post‐treatment time point were: cervical dystonia 4/312 (1.28%), glabellar lines 2/718 (0.28%), overactive bladder 0/22 (0%), post‐stroke spasticity 1/317 (0.32%), and primary axillary hyperhidrosis 4/871 (0.46%). Across all indications, 11/2,240 subjects (0.49%) converted from antibody negative at baseline to positive at one or more post‐treatment time points, but only three subjects became clinically unresponsive to onabotulinumtoxinA at some point following a positive assay. Based on these large trials, the frequency of antibody conversion after onabotulinumtoxinA treatment is very low, and infrequently leads to loss of efficacy. © 2010 Movement Disorder Society</div>
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<note type="content">*Potential conflict of interest: This analysis and the trials included herein were sponsored by Allergan, Inc., the manufacturer of BOTOX® (onabotulinumtoxinA). Please see the financial disclosures section for full author disclosures and potential conflicts of interest.</note>
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<abstract lang="en">This meta‐analysis evaluated the frequency of neutralizing antibody (nAb) conversion with onabotulinumtoxinA (BOTOX®; Allergan) across five studied indications. The analysis was based on large, controlled or prospective, open‐label trials (durations 4 months to ≥2 years). Serum samples were analyzed for nAbs using the Mouse Protection Assay. Subjects who were antibody negative at baseline and had at least one analyzable postbaseline antibody assay result were included. The 16 clinical studies included 3,006 subjects; of these, 2,240 met the inclusion criteria for this analysis. Subjects received 1–15 treatments (mean 3.8 treatments) with onabotulinumtoxinA. Total doses per treatment cycle ranged from 10 or 20 units in glabellar lines to 20–500 units in cervical dystonia. The numbers of subjects who converted from an antibody‐negative status at baseline to antibody‐positive status at any post‐treatment time point were: cervical dystonia 4/312 (1.28%), glabellar lines 2/718 (0.28%), overactive bladder 0/22 (0%), post‐stroke spasticity 1/317 (0.32%), and primary axillary hyperhidrosis 4/871 (0.46%). Across all indications, 11/2,240 subjects (0.49%) converted from antibody negative at baseline to positive at one or more post‐treatment time points, but only three subjects became clinically unresponsive to onabotulinumtoxinA at some point following a positive assay. Based on these large trials, the frequency of antibody conversion after onabotulinumtoxinA treatment is very low, and infrequently leads to loss of efficacy. © 2010 Movement Disorder Society</abstract>
<note type="content">*Potential conflict of interest: This analysis and the trials included herein were sponsored by Allergan, Inc., the manufacturer of BOTOX® (onabotulinumtoxinA). Please see the financial disclosures section for full author disclosures and potential conflicts of interest.</note>
<note type="funding">Allergan, Inc., Irvine, CA, USA</note>
<subject lang="en">
<genre>Keywords</genre>
<topic>botulinum toxin</topic>
<topic>cervical dystonia</topic>
<topic>hyperhidrosis</topic>
<topic>facial aesthetics</topic>
<topic>spasticity</topic>
<topic>overactive bladder</topic>
<topic>immunogenicity</topic>
<topic>antigenicity</topic>
<topic>neutralizing antibodies</topic>
</subject>
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<title>Movement Disorders</title>
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<titleInfo type="abbreviated">
<title>Mov. Disord.</title>
</titleInfo>
<subject>
<genre>article category</genre>
<topic>Research Article</topic>
</subject>
<identifier type="ISSN">0885-3185</identifier>
<identifier type="eISSN">1531-8257</identifier>
<identifier type="DOI">10.1002/(ISSN)1531-8257</identifier>
<identifier type="PublisherID">MDS</identifier>
<part>
<date>2010</date>
<detail type="volume">
<caption>vol.</caption>
<number>25</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>13</number>
</detail>
<extent unit="pages">
<start>2211</start>
<end>2218</end>
<total>8</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">9D49D0608959680754775765CD828182E3869E3E</identifier>
<identifier type="DOI">10.1002/mds.23254</identifier>
<identifier type="ArticleID">MDS23254</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 2010 Movement Disorder Society</accessCondition>
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<recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin>
<recordContentSource>WILEY</recordContentSource>
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