Growth Factor Concentrate (GFC) for the Management of Osteoarthritis of the Knee: A Systematic Review.

The knee is the most commonly affected joint in osteoarthritis (OA), affecting millions of people worldwide. Knee OA significantly impacts the activities of daily living (ADL) along with affecting overall quality of life of patients (QoL), thereby leading to substantial socio-economic burden. Conservative therapies are prioritized, resorting to surgery only when needed. However, these traditional approaches have limitations. Regenerative medicine, involving the use of orthobiologics, including autologous peripheral blood-derived orthobiologics such as growth factor concentrate (GFC), has evolved and shown potential for managing knee OA. The primary goal of this review is to summarize the results of in vitro, preclinical and clinical studies involving GFC for the management of knee OA. Multiple databases (PubMed, Scopus, Google Scholar, Web of Science and Embase) were searched applying terms for the intervention 'GFC' and treatment 'knee OA' for the studies published in the English language to March 10, 2024. Only three clinical studies met our pre-defined criteria and were included in this review. Intra-articular administration of GFC is safe and potentially efficacious to manage OA of the knee. More, adequately powered, multi-center, prospective, RCTs are warranted to demonstrate the long-term effectiveness of GFC in patients suffering from mild-to-moderate knee OA and to justify its routine clinical use. Further studies evaluating the efficacy of GFC compared to other orthobiologics are also required to allow physicians/surgeons to choose the optimal orthobiologic for the treatment of OA of the knee.

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Déclaration de conflit d'intérêts

Conflict of interestThe authors declare that they have no competing interests.