• Medicine · Sep 2020

    Viscossuplementation for the treatment of osteoarthritis of the knee: A protocol for an umbrella review of systematic reviews with meta-analyses of randomized controlled trials.

    • Andrade Carlos Augusto Ferreira de, Isabel Ruguê Genov, Sara Regina Neto Pereira, Joao Mauricio Barreto, Max Rogério Freitas Ramos, Eduardo Costa Freitas da Silva, and Liszt Palmeira de Oliveira.
    • Unimed-Rio Institute - Rio de Janeiro.
    • Medicine (Baltimore). 2020 Sep 11; 99 (37): e21813e21813.

    BackgroundKnee osteoarthritis (KOA) is a common chronic disease with worldwide prevalence of 10% to 79%, with costs ranging from $560 to $635 billion for year in United States of America. The main guidelines recommend interventions with undesirable adverse events (AE) or highly dependent on the patient's persistence. Thus, intra-articular (IA) therapies appear to be attractive in patients with KOA, as well as a valid therapy by maximizing effects locally in the joint and limiting systemic AE. Presently, the main available IA therapies are corticosteroids and hyaluronic acid.As several meta-analyses about the efficacy of intra-articular hyaluronic acid (IAHA) for treatment of KOA with discordant results were published, we decided to conduct an umbrella review to summarize this efficacy METHODS:: We will search MEDLINE/PubMed, EMBASE, Cochrane Library, and Virtual Health Library (BVS) from inception to February 2020 for systematic reviews with meta-analyses of randomized clinical trials that investigate IAHA for therapy of KOA. Grey literature will be searched in Opengray platform, Research Gate, and Google Scholar. The reference lists of eligible studies will be screened. The search will be performed without language restriction.We will include any type of IAHA as experimental intervention and different types of oral or intra-articular placebo or medications as controls. The primary outcome will be measures of efficacy as the Western Ontario and McMaster Universities Osteoarthritis Index.A synthesis of the evidence will be conducted and data will be presented in tables.Two reviewers will independently appraise the quality of included meta-analyses using the Assessment of Multiple Systematic Reviews 2 (AMSTAR 2) tool and will classify the included systematic reviews into high, moderate, low, or critically low levels of confidence.ResultsThe results of this study will be published in a peer-reviewed journal.Ethics And DisseminationNo ethical approval is required since this study data is based on published literature.Protocol Registration NumberPROSPERO CRD42019120269 (https://www.crd.york.ac.uk/PROSPERO/#joinuppage).

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