Sodium Hyaluronate Acid Dermal Filler Injection
April 16, 2021
Hyaluronic acid and its derivatives in drug delivery and imaging: Recent advances and challenges
April 19, 2021

To assess the relative efficacy of intra-articular [hyaluronic acid] (IAHA) in comparison with non-steroidal anti-inflammatory drugs (NSAIDs) for knee osteoarthritis (OA).
We searched Medline, EMBASE, Google Scholar, ISI Web of Science, and Cochrane Database from inception until February 2013. Randomized controlled trials comparing HA with NSAIDs for knee OA were included if they reported at least one pain outcome. Two reviewers abstracted data and determined quality. Outcomes included pain, function, and stiffness. Random-effects meta-analyses were performed.
Five trials (712 participants) contributed to the pain analysis. Both groups showed improvement from baseline. The analysis found an effect size (ES) of ?0.07 (95% CI: ?0.24 to 0.10) at trial end, favoring neither treatment. There were no statistically significant differences between the groups at 4 and 12 weeks in function [ES = ?0.08 (95% CI: ?0.39 to 0.23)] or stiffness [ES = 0.03 (95% CI: ?0.27 to 0.34)] analyses based on two trials. Injection site pain was the most common adverse event reported in the HA group, and gastrointestinal adverse events were more common in the NSAIDs group. Conclusion This meta-analysis suggests that IAHA is not significantly different from continuous oral NSAIDs at 4 and 12 weeks. Our study detected no safety concerns; however, the included trials had only a short follow-up duration. Given the favorable safety profile of IAHA over NSAIDs, this result suggests that IAHA might be a viable alternative to NSAIDs for knee OA, especially for older patients at greater risk for systemic adverse events.
Ref: Raveendhara R.BannuruMD, FAGEabElizaveta E.VaysbrotMD, MSabMatthew C.SullivanBAabTimothy E.McAlindonMD, MPHab

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