Clinical Efficacy and Safety of NEOIAL HC for Intra-articular Use in the Treatment of Severe Knee Osteoarthritis

Patients with severe knee osteoarthritis were enrolled in the clinical study and treated with 3 injections of 40 mg NEOIAL HC (HA sodium salt at 2% with two molecular weights 20% with pm at 400 kD and 80% between 1200 and 1500 kD t + collagen) at a distance of 1 week from each other, followed by a fourth infiltration of the same product at a distance of 1 month from the third.Patients were followed up with baseline clinical evaluation, reporting of adverse events after each single infiltration and subsequently at the end of treatment, 3, 6 months follow-up.