Is Non Surgical CaRE Using Treat to Target Multimodal meDIcal Strategies aBLE to Delay or Avoid Total Knee Replacement?

Osteoarthritis, Knee

Surgery, Arthroplasty, Total knee replacement

Knee is the most common site of osteoarthritis. Treatment of knee osteoarthritis starts with a full course of medical therapy, followed by surgery to replace the knee with a prosthesis if this strategy fails, or in advanced cases. However, the new recommendations of the French rheumatology society, which evaluate the various treatments and position them in the treatment plan, are not well known, and the definition of a complete treatment remains unclear. The vast majority of patients are therefore referred to a surgeon after having tried a small part of the therapeutic arsenal (generally analgesics and corticosteroid or hyaluronic acid infiltrations). The goal of this study is to to select patients most likely to gain from surgery and to develop strategies that avoid the need for major surgery.

Knee is the most common site of osteoarthritis. Treatment of knee osteoarthritis starts with a full course of medical therapy, followed by surgery to replace the knee with a prosthesis if this strategy fails, or in advanced cases. However, the new recommendations of the French rheumatology society, which evaluate the various treatments and position them in the treatment plan, are not well known, and the definition of a complete treatment remains unclear. The vast majority of patients are therefore referred to a surgeon after having tried a small part of the therapeutic arsenal (generally analgesics and corticosteroid or hyaluronic acid infiltrations). Yet medical treatment has proved effective, suggesting that it could prevent a significant number of total knee arthroplasties. In addition, osteoarthritis of the knee is associated with various co-morbidities (diabetes, cardiovascular) that medical treatment can minimize (diet, physical activity). The effectiveness of knee prostheses has been demonstrated, but up to 20% of patients continue to experience pain, and surgical procedures induce rare but serious events. Prostheses can also be revised, and are expensive. This research is designed for patients suffering from femoro-tibial osteoarthritis who have been proposed total knee replacement by a surgeon, and aims to develop strategies to avoid the need for major surgery until the medical treatment arsenal adapted to the patient's situation has been tried. In the treatment of osteoarthritis, the impact of shared decision-making between rheumatologists, orthopaedic surgeons and the patient in the event of incomplete medical treatment has been shown to be important, as the decision is often modified after discussion. The main objective of this prospective, randomized, pragmatic, non-blinded, multicenter study is to investigate whether shared decision-making coupled with multimodal medical strategies delays surgery by at least 2 years in most patients, with non-inferiority on pain and function, lower cost and fewer serious adverse events compared with total knee arthroplasty from the outset.

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France