The discrepancy between recommendations and clinical practice for viscosupplementation in osteoarthritis: mind the gap!

A. Migliore, E. Bizzi, J. Herrero-Beaumont, R.J. Petrella, R. Raman, X. Chevalier

Unit of Rheumatology, San Pietro Fatebenefratelli Hospital, Rome, Italy. migliore.alberto60@gmail.com

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• Rheumatology

Recently AAOS, ACR and OARSI revised their recommendations for the management of knee osteoarthritis (OA) and for hand, knee and hip joints. During ISIAT (International Symposium on Intra-Articular Treatments) 2013 round table on recommendations about the use of intra-articular Hyaluronic Acid (IAHA) in OA, several considerations were elaborated by the ISIAT Technical Expert Panel (TEP) regarding discrepancy between recommendations and clinical practice. The ISIAT TEP gathered the following eight suggestions regarding the drawing of recommendations on the use of IAHA in OA and its comparison with other treatments. It is necessary to merge data coming from both RCTs and registers. Only studies with a strong level of evidence should be taken into account. A common threshold of efficacy should be assessed for comparing treatments. Evaluation of hard outcomes is essential. The effect size of placebo as comparator should be attentively considered in RCTs. Particular attention should be given to different phenotypes of OA that may possibly respond differently to each treatment. Compliance and long-term side effects of different therapeutic approaches should be evaluated. Pharmacoeconomic evaluation should be performed on the long term.

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