What is the role of intra-articular injection of sodium hyaluronate for the treatment of osteoarthritis (OA)?

Updated: Oct 12, 2020
  • Author: Carlos J Lozada, MD; Chief Editor: Herbert S Diamond, MD  more...
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Intra-articular injection of sodium hyaluronate, also referred to as viscosupplementation, has been shown to be safe and possibly effective for symptomatic relief of knee osteoarthritis. [93, 94] In the United States, intra-articular hyaluronic acids are classified as medical devices rather than as drugs. [95]

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