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Efficacy and safety of strontium ranelate in the treatment of knee osteoarthritis: results of a double-blind, randomised placebo-controlled trial

Identifieur interne : 001F67 ( Pmc/Checkpoint ); précédent : 001F66; suivant : 001F68

Efficacy and safety of strontium ranelate in the treatment of knee osteoarthritis: results of a double-blind, randomised placebo-controlled trial

Auteurs : Jean-Yves Reginster [Belgique] ; Janusz Badurski [Pologne] ; Nicholas Bellamy [Australie] ; William Bensen [Canada] ; Roland Chapurlat [France] ; Xavier Chevalier [France] ; Claus Christiansen [Danemark] ; Harry Genant [États-Unis] ; Federico Navarro [Espagne] ; Evgeny Nasonov [Russie] ; Philip N. Sambrook [Australie] ; Timothy D. Spector [Royaume-Uni] ; Cyrus Cooper [Royaume-Uni]

Source :

RBID : PMC:3599139

Abstract

Background

Strontium ranelate is currently used for osteoporosis. The international, double-blind, randomised, placebo-controlled Strontium ranelate Efficacy in Knee OsteoarthrItis triAl evaluated its effect on radiological progression of knee osteoarthritis.

Methods

Patients with knee osteoarthritis (Kellgren and Lawrence grade 2 or 3, and joint space width (JSW) 2.5–5 mm) were randomly allocated to strontium ranelate 1 g/day (n=558), 2 g/day (n=566) or placebo (n=559). The primary endpoint was radiographical change in JSW (medial tibiofemoral compartment) over 3 years versus placebo. Secondary endpoints included radiological progression, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and knee pain. The trial is registered (ISRCTN41323372).

Results

The intention-to-treat population included 1371 patients. Treatment with strontium ranelate was associated with smaller degradations in JSW than placebo (1 g/day: −0.23 (SD 0.56) mm; 2 g/day: −0.27 (SD 0.63) mm; placebo: −0.37 (SD 0.59) mm); treatment-placebo differences were 0.14 (SE 0.04), 95% CI 0.05 to 0.23, p<0.001 for 1 g/day and 0.10 (SE 0.04), 95% CI 0.02 to 0.19, p=0.018 for 2 g/day. Fewer radiological progressors were observed with strontium ranelate (p<0.001 and p=0.012 for 1 and 2 g/day). There were greater reductions in total WOMAC score (p=0.045), pain subscore (p=0.028), physical function subscore (p=0.099) and knee pain (p=0.065) with strontium ranelate 2 g/day. Strontium ranelate was well tolerated.

Conclusions

Treatment with strontium ranelate 1 and 2 g/day is associated with a significant effect on structure in patients with knee osteoarthritis, and a beneficial effect on symptoms for strontium ranelate 2 g/day.


Url:
DOI: 10.1136/annrheumdis-2012-202231
PubMed: 23117245
PubMed Central: 3599139


Affiliations:


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PMC:3599139

Le document en format XML

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<name sortKey="Chevalier, Xavier" sort="Chevalier, Xavier" uniqKey="Chevalier X" first="Xavier" last="Chevalier">Xavier Chevalier</name>
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<name sortKey="Christiansen, Claus" sort="Christiansen, Claus" uniqKey="Christiansen C" first="Claus" last="Christiansen">Claus Christiansen</name>
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<nlm:aff id="af7">Synarc, Centre for Clinical and Basic Research (CCBR), Ballerup, Denmark</nlm:aff>
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<name sortKey="Genant, Harry" sort="Genant, Harry" uniqKey="Genant H" first="Harry" last="Genant">Harry Genant</name>
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<nlm:aff id="af8">Radiology, Medicine, Epidemiology and Orthopedic Surgery, University of California, San Francisco and Synarc, San Francisco, California, USA</nlm:aff>
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<wicri:regionArea>Radiology, Medicine, Epidemiology and Orthopedic Surgery, University of California, San Francisco and Synarc, San Francisco, California</wicri:regionArea>
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<region type="state">Californie</region>
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<name sortKey="Navarro, Federico" sort="Navarro, Federico" uniqKey="Navarro F" first="Federico" last="Navarro">Federico Navarro</name>
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<nlm:aff id="af9">Rheumatology Department, Hospital Universitario Virgen Macarena, Sevilla, Spain</nlm:aff>
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<wicri:regionArea>Rheumatology Department, Hospital Universitario Virgen Macarena, Sevilla</wicri:regionArea>
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<name sortKey="Nasonov, Evgeny" sort="Nasonov, Evgeny" uniqKey="Nasonov E" first="Evgeny" last="Nasonov">Evgeny Nasonov</name>
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<name sortKey="Spector, Timothy D" sort="Spector, Timothy D" uniqKey="Spector T" first="Timothy D" last="Spector">Timothy D. Spector</name>
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<region type="country">Angleterre</region>
<region type="région" nuts="1">Grand Londres</region>
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<name sortKey="Cooper, Cyrus" sort="Cooper, Cyrus" uniqKey="Cooper C" first="Cyrus" last="Cooper">Cyrus Cooper</name>
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<title level="j">Annals of the Rheumatic Diseases</title>
<idno type="ISSN">0003-4967</idno>
<idno type="eISSN">1468-2060</idno>
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<sec>
<title>Background</title>
<p>Strontium ranelate is currently used for osteoporosis. The international, double-blind, randomised, placebo-controlled Strontium ranelate Efficacy in Knee OsteoarthrItis triAl evaluated its effect on radiological progression of knee osteoarthritis.</p>
</sec>
<sec>
<title>Methods</title>
<p>Patients with knee osteoarthritis (Kellgren and Lawrence grade 2 or 3, and joint space width (JSW) 2.5–5 mm) were randomly allocated to strontium ranelate 1 g/day (n=558), 2 g/day (n=566) or placebo (n=559). The primary endpoint was radiographical change in JSW (medial tibiofemoral compartment) over 3 years versus placebo. Secondary endpoints included radiological progression, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and knee pain. The trial is registered (ISRCTN41323372).</p>
</sec>
<sec>
<title>Results</title>
<p>The intention-to-treat population included 1371 patients. Treatment with strontium ranelate was associated with smaller degradations in JSW than placebo (1 g/day: −0.23 (SD 0.56) mm; 2 g/day: −0.27 (SD 0.63) mm; placebo: −0.37 (SD 0.59) mm); treatment-placebo differences were 0.14 (SE 0.04), 95% CI 0.05 to 0.23, p<0.001 for 1 g/day and 0.10 (SE 0.04), 95% CI 0.02 to 0.19, p=0.018 for 2 g/day. Fewer radiological progressors were observed with strontium ranelate (p<0.001 and p=0.012 for 1 and 2 g/day). There were greater reductions in total WOMAC score (p=0.045), pain subscore (p=0.028), physical function subscore (p=0.099) and knee pain (p=0.065) with strontium ranelate 2 g/day. Strontium ranelate was well tolerated.</p>
</sec>
<sec>
<title>Conclusions</title>
<p>Treatment with strontium ranelate 1 and 2 g/day is associated with a significant effect on structure in patients with knee osteoarthritis, and a beneficial effect on symptoms for strontium ranelate 2 g/day.</p>
</sec>
</div>
</front>
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<pmc-dir>properties open_access</pmc-dir>
<front>
<journal-meta>
<journal-id journal-id-type="nlm-ta">Ann Rheum Dis</journal-id>
<journal-id journal-id-type="iso-abbrev">Ann. Rheum. Dis</journal-id>
<journal-id journal-id-type="hwp">annrheumdis</journal-id>
<journal-id journal-id-type="publisher-id">ard</journal-id>
<journal-title-group>
<journal-title>Annals of the Rheumatic Diseases</journal-title>
</journal-title-group>
<issn pub-type="ppub">0003-4967</issn>
<issn pub-type="epub">1468-2060</issn>
<publisher>
<publisher-name>BMJ Publishing Group</publisher-name>
<publisher-loc>BMA House, Tavistock Square, London, WC1H 9JR</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">23117245</article-id>
<article-id pub-id-type="pmc">3599139</article-id>
<article-id pub-id-type="publisher-id">annrheumdis-2012-202231</article-id>
<article-id pub-id-type="doi">10.1136/annrheumdis-2012-202231</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Clinical and Epidemiological Research</subject>
</subj-group>
<subj-group subj-group-type="hwp-journal-coll">
<subject>1506</subject>
<subject>1507</subject>
</subj-group>
<series-title>Extended report</series-title>
</article-categories>
<title-group>
<article-title>Efficacy and safety of strontium ranelate in the treatment of knee osteoarthritis: results of a double-blind, randomised placebo-controlled trial</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Reginster</surname>
<given-names>Jean-Yves</given-names>
</name>
<xref ref-type="aff" rid="af1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Badurski</surname>
<given-names>Janusz</given-names>
</name>
<xref ref-type="aff" rid="af2">2</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Bellamy</surname>
<given-names>Nicholas</given-names>
</name>
<xref ref-type="aff" rid="af3">3</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Bensen</surname>
<given-names>William</given-names>
</name>
<xref ref-type="aff" rid="af4">4</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Chapurlat</surname>
<given-names>Roland</given-names>
</name>
<xref ref-type="aff" rid="af5">5</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Chevalier</surname>
<given-names>Xavier</given-names>
</name>
<xref ref-type="aff" rid="af6">6</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Christiansen</surname>
<given-names>Claus</given-names>
</name>
<xref ref-type="aff" rid="af7">7</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Genant</surname>
<given-names>Harry</given-names>
</name>
<xref ref-type="aff" rid="af8">8</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Navarro</surname>
<given-names>Federico</given-names>
</name>
<xref ref-type="aff" rid="af9">9</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Nasonov</surname>
<given-names>Evgeny</given-names>
</name>
<xref ref-type="aff" rid="af10">10</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Sambrook</surname>
<given-names>Philip N</given-names>
</name>
<xref ref-type="aff" rid="af11">11</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Spector</surname>
<given-names>Timothy D</given-names>
</name>
<xref ref-type="aff" rid="af12">12</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Cooper</surname>
<given-names>Cyrus</given-names>
</name>
<xref ref-type="aff" rid="af13">13</xref>
</contrib>
</contrib-group>
<aff id="af1">
<label>1</label>
Department of Public Health Epidemiology and Health Economics, University of Liege, Liege, Belgium</aff>
<aff id="af2">
<label>2</label>
Centre of Osteoporosis and Osteoarticular Diseases, Bialystok, Poland</aff>
<aff id="af3">
<label>3</label>
Centre of National Research on Disability (CONROD), University of Queensland, Herston, Queensland, Australia</aff>
<aff id="af4">
<label>4</label>
DeGroot School of Medicine, McMaster University Hamilton, Hamilton, Ontario, Canada</aff>
<aff id="af5">
<label>5</label>
INSERM UMR 1033, Service de Rhumatologie et Pathologie Osseuse, Hôpital Edouard Herriot, Université de Lyon, Lyon, France</aff>
<aff id="af6">
<label>6</label>
Service de Rhumatologie, Hôpital Henri Mondor, Créteil, France</aff>
<aff id="af7">
<label>7</label>
Synarc, Centre for Clinical and Basic Research (CCBR), Ballerup, Denmark</aff>
<aff id="af8">
<label>8</label>
Radiology, Medicine, Epidemiology and Orthopedic Surgery, University of California, San Francisco and Synarc, San Francisco, California, USA</aff>
<aff id="af9">
<label>9</label>
Rheumatology Department, Hospital Universitario Virgen Macarena, Sevilla, Spain</aff>
<aff id="af10">
<label>10</label>
State Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow, Russian Federation</aff>
<aff id="af11">
<label>11</label>
Institute of Bone and Joint Research, Royal North Shore Hospital, St Leonards, NSW, Australia</aff>
<aff id="af12">
<label>12</label>
Department of Twin Research and Genetic Epidemiology, Kings College London, St Thomas’ Hospital, London, UK</aff>
<aff id="af13">
<label>13</label>
MRC Lifecourse Epidemiology Unit, NIHR Musculoskeletal Biomedical Research Unit, University of Southampton, University of Oxford, Oxford, UK</aff>
<author-notes>
<corresp>
<label>Correspondence to</label>
Professor Jean-Yves Reginster, Department of Public Health and Health Economics, University of Liege, 4020 Liege, Belgium;
<email>jyreginster@ulg.ac.be</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub">
<month>2</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>1</day>
<month>11</month>
<year>2012</year>
</pub-date>
<volume>72</volume>
<issue>2</issue>
<fpage>179</fpage>
<lpage>186</lpage>
<history>
<date date-type="accepted">
<day>13</day>
<month>9</month>
<year>2012</year>
</date>
</history>
<permissions>
<copyright-statement>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions</copyright-statement>
<copyright-year>2013</copyright-year>
<license license-type="open-access">
<license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See:
<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/">http://creativecommons.org/licenses/by-nc/3.0/</ext-link>
and
<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/legalcode">http://creativecommons.org/licenses/by-nc/3.0/legalcode</ext-link>
</license-p>
</license>
</permissions>
<self-uri xlink:title="pdf" xlink:type="simple" xlink:href="annrheumdis-2012-202231.pdf"></self-uri>
<related-article id="d34e251" related-article-type="companion" ext-link-type="doi" xlink:href="10.1136/annrheumdis-2012-201710"></related-article>
<related-article id="d34e252" related-article-type="companion" ext-link-type="doi" xlink:href="10.1136/annrheumdis-2012-202239"></related-article>
<related-article id="d34e253" related-article-type="companion" ext-link-type="doi" xlink:href="10.1136/annrheumdis-2012-202453"></related-article>
<abstract>
<sec>
<title>Background</title>
<p>Strontium ranelate is currently used for osteoporosis. The international, double-blind, randomised, placebo-controlled Strontium ranelate Efficacy in Knee OsteoarthrItis triAl evaluated its effect on radiological progression of knee osteoarthritis.</p>
</sec>
<sec>
<title>Methods</title>
<p>Patients with knee osteoarthritis (Kellgren and Lawrence grade 2 or 3, and joint space width (JSW) 2.5–5 mm) were randomly allocated to strontium ranelate 1 g/day (n=558), 2 g/day (n=566) or placebo (n=559). The primary endpoint was radiographical change in JSW (medial tibiofemoral compartment) over 3 years versus placebo. Secondary endpoints included radiological progression, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and knee pain. The trial is registered (ISRCTN41323372).</p>
</sec>
<sec>
<title>Results</title>
<p>The intention-to-treat population included 1371 patients. Treatment with strontium ranelate was associated with smaller degradations in JSW than placebo (1 g/day: −0.23 (SD 0.56) mm; 2 g/day: −0.27 (SD 0.63) mm; placebo: −0.37 (SD 0.59) mm); treatment-placebo differences were 0.14 (SE 0.04), 95% CI 0.05 to 0.23, p<0.001 for 1 g/day and 0.10 (SE 0.04), 95% CI 0.02 to 0.19, p=0.018 for 2 g/day. Fewer radiological progressors were observed with strontium ranelate (p<0.001 and p=0.012 for 1 and 2 g/day). There were greater reductions in total WOMAC score (p=0.045), pain subscore (p=0.028), physical function subscore (p=0.099) and knee pain (p=0.065) with strontium ranelate 2 g/day. Strontium ranelate was well tolerated.</p>
</sec>
<sec>
<title>Conclusions</title>
<p>Treatment with strontium ranelate 1 and 2 g/day is associated with a significant effect on structure in patients with knee osteoarthritis, and a beneficial effect on symptoms for strontium ranelate 2 g/day.</p>
</sec>
</abstract>
<kwd-group>
<kwd>Knee Osteoarthritis</kwd>
<kwd>Osteoarthritis</kwd>
<kwd>Outcomes research</kwd>
</kwd-group>
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<affiliations>
<list>
<country>
<li>Australie</li>
<li>Belgique</li>
<li>Canada</li>
<li>Danemark</li>
<li>Espagne</li>
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<name sortKey="Chapurlat, Roland" sort="Chapurlat, Roland" uniqKey="Chapurlat R" first="Roland" last="Chapurlat">Roland Chapurlat</name>
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<region name="Californie">
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