A single intra-articular injection of 2.0% non-chemically modified sodium hyaluronate vs 0.8% hylan G-F 20 in the treatment of symptomatic knee osteoarthritis: A 6-month, multicenter, randomized, controlled non-inferiority trial

Autoři: Emmanuel Maheu aff001;  Bernard Avouac aff002;  Renée Liliane Dreiser aff003;  Thomas Bardin aff004
Působiště autorů: Department of Rheumatology, AP-HP, Hôpital Saint-Antoine, Paris, France, Private office, Paris, France aff001;  Department of Rheumatology, CHU Henri Mondor, Créteil, France (currently: rheumatologist, consultant, Paris, France) aff002;  Department of Rheumatology, AP-HP, Hôpital Bichat-Claude Bernard, Paris, France aff003;  Department of Rheumatology, AP-HP, Hôpital Lariboisière, Université Paris Diderot, Paris, France aff004
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
doi: 10.1371/journal.pone.0226007



The aim of the study was to demonstrate the non-inferiority of a single intra-articular injection of 2.0% non-chemically modified sodium hyaluronate (SH) vs 0.8% hylan G-F 20 (control) in symptomatic knee osteoarthritis.


This was a double-blind, randomized, controlled trial conducted in patients with painful tibiofemoral osteoarthritis (American College of Rheumatology criteria) with insufficient response or intolerance to first-line analgesics and regular non-steroidal anti-inflammatory drugs. Subjects received a single intra-articular injection of either SH or hylan G-F 20. The primary outcome was the 6-month change from baseline in the Western Ontario and McMaster Universities Osteoarthritis Index pain subscale (WOMAC A), with a pre-specified lower margin for non-inferiority of 8 mm.


Of the 292 patients randomized (SH: 144), 288 received an injection (SH: 142), 266 completed the study (SH: 134). In the Per Protocol dataset (SH: 113, control: 112), the WOMAC A change at 6 months was -34.3 mm (95% confidence interval (CI): -37.8, -30.8) and -36.2 mm (95% CI: -40.3, -32.1) for the SH and hylan G-F 20 patients, respectively (P = 0.5). The intergroup difference was -1.9 mm (95% CI: -7.3, 3.5). Results were similar in the Full Analysis Set (SH: 139, control: 141) with a difference between the groups of -2.9 mm (95% CI: -7.9, 2.2).

A total of 31.3% of the injected patients reported a treatment-emergent adverse event, including injection site reactions (pain, inflammation or effusion) which occurred in 8.5% of the SH patients vs 13.0% of the hylan G-F 20 patients. No serious reactions were reported.


This clinical trial demonstrated the non-inferiority of a single intra-articular injection of SH vs hylan G-F 20 on the WOMAC A change from baseline at 6 months.

Klíčová slova:

Adverse events – Analgesics – Knee joints – Knees – NSAIDs – Osteoarthritis – Skeletal joints – Stiffness


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