Efficacy and safety of repeated courses of hyaluronic acid injections for knee osteoarthritis: A systematic review

Hyaluronic acid (HA) is a commonly prescribed intra-articular (IA) therapy for knee osteoarthritis (OA). While a single series of IA-HA has been well studied, the efficacy and safety of repeated courses of IA-HA injection therapy in knee OA patients have not been evaluated as frequently.
Source: Seminars in Arthritis and Rheumatism - Category: Rheumatology Authors: Source Type: research