Adenosine A2A receptor antagonist istradefylline reduces daily OFF time in Parkinson's disease

ABSTRACT Background We evaluated the efficacy and safety of istradefylline, a selective adenosine A2A receptor antagonist administered as adjunctive treatment to levodopa for 12 weeks in a double‐blind manner in Parkinson's disease patients with motor complications in Japan. Methods A total of...

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Veröffentlicht in:Movement disorders 2013-07, Vol.28 (8), p.1138-1141
Hauptverfasser: Mizuno, Yoshikuni, Kondo, Tomoyoshi
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creator Mizuno, Yoshikuni
Kondo, Tomoyoshi
description ABSTRACT Background We evaluated the efficacy and safety of istradefylline, a selective adenosine A2A receptor antagonist administered as adjunctive treatment to levodopa for 12 weeks in a double‐blind manner in Parkinson's disease patients with motor complications in Japan. Methods A total of 373 subjects were randomized to receive placebo (n = 126), istradefylline 20 mg/day (n = 123), or istradefylline 40 mg/day (n = 124). The primary efficacy variable was the change in daily OFF time. Other secondary variables were also evaluated. Results The change in daily OFF time was significantly reduced in the istradefylline 20 mg/day (−0.99 hours, P = .003) and istradefylline 40 mg/day (−0.96 hours, P = .003) groups compared with the placebo group (−0.23 hours). The most common adverse event was dyskinesia (placebo, 4.0%; istradefylline 20 mg/day, 13.0%; istradefylline 40 mg/day, 12.1%). Conclusions Istradefylline reduced daily OFF time and was well tolerated in Japanese PD patients with motor complications on levodopa treatment. © 2013 Movement Disorder Society
doi_str_mv 10.1002/mds.25418
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Methods A total of 373 subjects were randomized to receive placebo (n = 126), istradefylline 20 mg/day (n = 123), or istradefylline 40 mg/day (n = 124). The primary efficacy variable was the change in daily OFF time. Other secondary variables were also evaluated. Results The change in daily OFF time was significantly reduced in the istradefylline 20 mg/day (−0.99 hours, P = .003) and istradefylline 40 mg/day (−0.96 hours, P = .003) groups compared with the placebo group (−0.23 hours). The most common adverse event was dyskinesia (placebo, 4.0%; istradefylline 20 mg/day, 13.0%; istradefylline 40 mg/day, 12.1%). Conclusions Istradefylline reduced daily OFF time and was well tolerated in Japanese PD patients with motor complications on levodopa treatment. © 2013 Movement Disorder Society</description><identifier>ISSN: 0885-3185</identifier><identifier>EISSN: 1531-8257</identifier><identifier>DOI: 10.1002/mds.25418</identifier><identifier>PMID: 23483627</identifier><identifier>CODEN: MOVDEA</identifier><language>eng</language><publisher>United States: Blackwell Publishing Ltd</publisher><subject>Adenosine A2 Receptor Antagonists - therapeutic use ; Aged ; Brief Reports ; Dose-Response Relationship, Drug ; Double-Blind Method ; Female ; Humans ; istradefylline ; Japan ; levodopa ; Male ; Middle Aged ; motor complications ; Movement disorders ; Parkinson Disease - drug therapy ; Parkinson's disease ; Purines - therapeutic use ; Retrospective Studies ; Treatment Outcome ; wearing-off</subject><ispartof>Movement disorders, 2013-07, Vol.28 (8), p.1138-1141</ispartof><rights>Copyright © 2013 Movement Disorder Society</rights><rights>Copyright © 2013 Movement Disorder Society.</rights><rights>Copyright © 2013 Movement Disorder Society 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmds.25418$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmds.25418$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23483627$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mizuno, Yoshikuni</creatorcontrib><creatorcontrib>Kondo, Tomoyoshi</creatorcontrib><creatorcontrib>Japanese Istradefylline Study Group</creatorcontrib><title>Adenosine A2A receptor antagonist istradefylline reduces daily OFF time in Parkinson's disease</title><title>Movement disorders</title><addtitle>Mov Disord</addtitle><description>ABSTRACT Background We evaluated the efficacy and safety of istradefylline, a selective adenosine A2A receptor antagonist administered as adjunctive treatment to levodopa for 12 weeks in a double‐blind manner in Parkinson's disease patients with motor complications in Japan. Methods A total of 373 subjects were randomized to receive placebo (n = 126), istradefylline 20 mg/day (n = 123), or istradefylline 40 mg/day (n = 124). The primary efficacy variable was the change in daily OFF time. Other secondary variables were also evaluated. Results The change in daily OFF time was significantly reduced in the istradefylline 20 mg/day (−0.99 hours, P = .003) and istradefylline 40 mg/day (−0.96 hours, P = .003) groups compared with the placebo group (−0.23 hours). The most common adverse event was dyskinesia (placebo, 4.0%; istradefylline 20 mg/day, 13.0%; istradefylline 40 mg/day, 12.1%). 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Kondo, Tomoyoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i3888-e2b889302baf44dc72b2201161e4339d7ba7bd5b3cec45da21aed08e0648acfb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adenosine A2 Receptor Antagonists - therapeutic use</topic><topic>Aged</topic><topic>Brief Reports</topic><topic>Dose-Response Relationship, Drug</topic><topic>Double-Blind Method</topic><topic>Female</topic><topic>Humans</topic><topic>istradefylline</topic><topic>Japan</topic><topic>levodopa</topic><topic>Male</topic><topic>Middle Aged</topic><topic>motor complications</topic><topic>Movement disorders</topic><topic>Parkinson Disease - drug therapy</topic><topic>Parkinson's disease</topic><topic>Purines - therapeutic use</topic><topic>Retrospective Studies</topic><topic>Treatment Outcome</topic><topic>wearing-off</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mizuno, Yoshikuni</creatorcontrib><creatorcontrib>Kondo, Tomoyoshi</creatorcontrib><creatorcontrib>Japanese Istradefylline Study Group</creatorcontrib><collection>Istex</collection><collection>Wiley Online Library Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Movement disorders</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mizuno, Yoshikuni</au><au>Kondo, Tomoyoshi</au><aucorp>Japanese Istradefylline Study Group</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adenosine A2A receptor antagonist istradefylline reduces daily OFF time in Parkinson's disease</atitle><jtitle>Movement disorders</jtitle><addtitle>Mov Disord</addtitle><date>2013-07</date><risdate>2013</risdate><volume>28</volume><issue>8</issue><spage>1138</spage><epage>1141</epage><pages>1138-1141</pages><issn>0885-3185</issn><eissn>1531-8257</eissn><coden>MOVDEA</coden><abstract>ABSTRACT Background We evaluated the efficacy and safety of istradefylline, a selective adenosine A2A receptor antagonist administered as adjunctive treatment to levodopa for 12 weeks in a double‐blind manner in Parkinson's disease patients with motor complications in Japan. Methods A total of 373 subjects were randomized to receive placebo (n = 126), istradefylline 20 mg/day (n = 123), or istradefylline 40 mg/day (n = 124). The primary efficacy variable was the change in daily OFF time. Other secondary variables were also evaluated. Results The change in daily OFF time was significantly reduced in the istradefylline 20 mg/day (−0.99 hours, P = .003) and istradefylline 40 mg/day (−0.96 hours, P = .003) groups compared with the placebo group (−0.23 hours). The most common adverse event was dyskinesia (placebo, 4.0%; istradefylline 20 mg/day, 13.0%; istradefylline 40 mg/day, 12.1%). Conclusions Istradefylline reduced daily OFF time and was well tolerated in Japanese PD patients with motor complications on levodopa treatment. © 2013 Movement Disorder Society</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>23483627</pmid><doi>10.1002/mds.25418</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record>
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subjects Adenosine A2 Receptor Antagonists - therapeutic use
Aged
Brief Reports
Dose-Response Relationship, Drug
Double-Blind Method
Female
Humans
istradefylline
Japan
levodopa
Male
Middle Aged
motor complications
Movement disorders
Parkinson Disease - drug therapy
Parkinson's disease
Purines - therapeutic use
Retrospective Studies
Treatment Outcome
wearing-off
title Adenosine A2A receptor antagonist istradefylline reduces daily OFF time in Parkinson's disease
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