Hylan versus hyaluronic acid for osteoarthritis of the knee: a systematic review and meta-analysis

Reichenbach, Stephan; Blank, Sacha; Rutjes, Anne W S; Shang, Aijing; King, Elizabeth A; Dieppe, Paul A; Jüni, Peter; Trelle, Sven (2007). Hylan versus hyaluronic acid for osteoarthritis of the knee: a systematic review and meta-analysis. Arthritis & rheumatism, 57(8), pp. 1410-1418. Hoboken, N.J.: Wiley-Blackwell 10.1002/art.23103

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OBJECTIVE: To compare the effectiveness and safety of intraarticular high-molecular hylan with standard preparations of hyaluronic acids in osteoarthritis of the knee. METHODS: We performed a systematic review and meta-analysis of randomized controlled trials comparing hylan with a hyaluronic acid in patients with knee osteoarthritis. Trials were identified by systematic searches of Central, Medline, EMBase, Cinahl, the Food and Drug Administration, and Science Citation Index supplemented by hand searches of conference proceedings and reference lists (last update November 2006). Literature screening and data extraction were performed in duplicate. Effect sizes were calculated from differences in means of pain-related outcomes between treatment and control groups at the end of the trial, divided by the pooled standard deviation. Trials were combined using random-effects meta-analysis. RESULTS: Thirteen trials with a pooled total of 2,085 patients contributed to the meta-analysis. The pooled effect size was -0.27 (95% confidence interval [95% CI] -0.55, 0.01), favoring hylan, but between-trial heterogeneity was high (I(2) = 88%). Trials with blinded patients, adequate concealment of allocation, and an intent-to-treat analysis had pooled effect sizes near null. The meta-analyses on safety revealed an increased risk associated with hylan for any local adverse events (relative risk [RR] 1.91; 95% CI 1.04, 3.49; I(2) = 28%) and for flares (RR 2.04; 95% CI 1.18, 3.53; I(2) = 0%). CONCLUSION: Given the likely lack of a superior effectiveness of hylan over hyaluronic acids and the increased risk of local adverse events associated with hylan, we discourage the use of intraarticular hylan in patients with knee osteoarthritis in clinical research or practice.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)

UniBE Contributor:

Reichenbach, Stephan, Jüni, Peter, Trelle, Sven

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0004-3591

ISBN:

18050181

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:53

Last Modified:

05 Dec 2022 14:16

Publisher DOI:

10.1002/art.23103

PubMed ID:

18050181

BORIS DOI:

10.7892/boris.22648

URI:

https://boris.unibe.ch/id/eprint/22648 (FactScience: 35714)

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