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Published in: Rheumatology International 8/2018

01-08-2018 | Systematic Review

Effect of glucosamine and chondroitin sulfate in symptomatic knee osteoarthritis: a systematic review and meta-analysis of randomized placebo-controlled trials

Authors: Mario Simental-Mendía, Adriana Sánchez-García, Félix Vilchez-Cavazos, Carlos A. Acosta-Olivo, Víctor M. Peña-Martínez, Luis E. Simental-Mendía

Published in: Rheumatology International | Issue 8/2018

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Abstract

Although glucosamine and chondroitin sulfate have showed beneficial effects on joint tissues in osteoarthritis (OA), their therapeutic use in the clinical setting is still debatable. Hence, a systematic review and meta-analysis of randomized placebo-controlled trials was conducted to investigate the efficacy of glucosamine and chondroitin sulfate on knee OA symptoms. Medline, SCOPUS, Web of Science, and Google Scholar databases were searched for randomized placebo-controlled trials evaluating the effect of orally administered glucosamine and/or chondroitin sulfate on OA symptoms using the Western Ontario and McMaster Universities Osteoarthritis index (WOMAC) and/or the Visual Analog Scale (VAS). Meta-analysis was conducted using a random-effects model and generic inverse-variance method. Heterogeneity was tested using the I2 statistic index. Treatments with glucosamine and chondroitin were found to significantly reduce pain in VAS [weighted mean difference (WMD) − 7.41 mm, 95% CI − 14.31, − 0.51, p = 0.04 and WMD − 8.35 mm, 95% CI − 11.84, − 4.85, p < 0.00001, respectively]. Their combination did not show this behavior (WMD − 0.28 mm, 95% CI − 8.87, 8.32, p = 0.95). None of the glucosamine, chondroitin or their combination had a significant positive effect on the total WOMAC index and its subscores. Oral supplementation with glucosamine or chondroitin sulfate reduces pain in knee OA. However, there is no additional effect using both therapeutic agents in combination for the management of symptomatic knee OA.
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Metadata
Title
Effect of glucosamine and chondroitin sulfate in symptomatic knee osteoarthritis: a systematic review and meta-analysis of randomized placebo-controlled trials
Authors
Mario Simental-Mendía
Adriana Sánchez-García
Félix Vilchez-Cavazos
Carlos A. Acosta-Olivo
Víctor M. Peña-Martínez
Luis E. Simental-Mendía
Publication date
01-08-2018
Publisher
Springer Berlin Heidelberg
Published in
Rheumatology International / Issue 8/2018
Print ISSN: 0172-8172
Electronic ISSN: 1437-160X
DOI
https://doi.org/10.1007/s00296-018-4077-2

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