A randomized saline-controlled trial of NASHA hyaluronic acid for knee osteoarthritis.
OBJECTIVE: NASHA hyaluronic acid is administered as a single intra-articular injection to treat the symptoms of osteoarthritis (OA). In a previous trial, post-hoc analysis indicated that NASHA provides significantly greater pain relief than saline in patients with OA confined to the study knee. We aimed to evaluate the safety and efficacy of NASHA in patients with unilateral knee OA. RESEARCH DESIGN AND METHODS: This was a randomized, double-blind, saline-controlled trial. All patients had kn...Expand abstract
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