Introduction

Osteoarthritis (OA) is a common condition that affects millions worldwide, often causing ongoing knee pain and mobility issues. Many patients with OA have had a meniscectomy, which involves the surgical removal of part or all of the meniscus, a vital shock-absorbing cartilage in the knee. Unfortunately, even after surgery, many continue to struggle with persistent knee aches, reduced cushioning, and difficulty with everyday activities like walking. This article will explore how Arthrosamid, a new injectable hydrogel, may offer relief to these patients. This promising treatment is supported by the expertise of Professor Paul Lee, a leading authority on cartilage health, along with MSK Doctors, who are renowned for their patient-focused and expert musculoskeletal care.

The Post-Meniscectomy Challenge in Osteoarthritis

Meniscectomy is commonly carried out to alleviate pain caused by meniscal damage in osteoarthritic knees. The meniscus plays a crucial role in protecting the knee by absorbing shocks during movement. Removing tissue from this structure changes how the knee functions, often leading to increased joint stress and instability. In fact, “knee trauma may be the strongest risk factor for knee osteoarthritis (OA)” (Ericsson et al., 2009). These changes often cause persistent knee aches, especially when walking on uneven ground, accompanied by swelling and discomfort. A study also noted that “bone marrow oedema on MRI following an acute knee injury strongly predicts the development or worsening of osteoarthritis within a year, and this correlates with ongoing symptoms” (Ericsson et al., 2009). These symptoms can greatly affect quality of life and limit one’s ability to return to normal routines. Clearly, there is a pressing need for treatments that specifically target these post-meniscectomy issues.

Arthrosamid: How It Works and What the Evidence Shows

Arthrosamid is an innovative treatment aimed at improving knee function after meniscal loss. It is a polyacrylamide hydrogel that is injected directly into the knee joint, helping to restore some of the knee’s natural shock absorption and cushioning. This can reduce pain and improve mobility. Research confirms that “Arthrosamid® has been shown to be safe and effective for patients with knee osteoarthritis” (Gao et al., 2025a). Further, a 24-month study found that this treatment brought significant improvements, particularly for “older, non-diabetic patients with less severe osteoarthritis” (Gao et al., 2025b). The advantage of Arthrosamid is that it provides a minimally invasive alternative to surgery, potentially filling a gap where medications or physiotherapy may not fully address persistent symptoms.

Expert Care: Professor Paul Lee and MSK Doctors

Professor Paul Lee is a highly respected surgeon and research ambassador at the Royal College of Surgeons of Edinburgh, with deep expertise in cartilage disorders and rehabilitation. His patient-first philosophy ensures that every treatment plan is personalised to suit individual needs. MSK Doctors share this commitment, offering a professional and supportive environment with a multidisciplinary team approach. As research continues “to identify which patient factors predict the best outcomes with Arthrosamid” (Gao et al., 2025a), having experienced specialists who integrate the latest evidence ensures patients receive the most appropriate, effective care.

Real-World Benefits: Arthrosamid for Everyday Living

For people experiencing ongoing knee discomfort and instability after meniscectomy, Arthrosamid can offer meaningful relief. By improving the knee’s shock absorption, many patients find they can walk more easily and with less pain, enhancing their day-to-day life. While individual experiences vary, the treatment’s potential to improve quality of life is promising. It’s important to remember that “further studies are needed and that patients should discuss all treatment options with their healthcare professionals” (Gao et al., 2025b). Consulting a trusted specialist helps ensure the chosen treatment fits individual circumstances and health conditions.

Conclusion

Living with persistent knee pain and instability after meniscectomy is a common and challenging issue in osteoarthritis care. Arthrosamid offers an exciting, modern option by directly addressing the loss of shock absorption that follows meniscal surgery. Supported by experts like Professor Paul Lee and MSK Doctors, patients can access personalised treatments grounded in expert knowledge and cutting-edge research. With targeted care and innovative therapies, it is possible to improve knee function and regain a better quality of life.

References

• Ericsson, Y., Ringsberg, K., & Dahlberg, L. (2009). SELF-EFFICACY, PHYSICAL ACTIVITY AND HEALTH-RELATED QUALITY OF LIFE IN MIDDLE-AGED POST MENISCECTOMY PATIENTS: A COMPARISON TO AN AGE-MATCHED CONTROL-GROUP. Osteoarthritis and Cartilage, 17, S290. https://doi.org/10.1016/S1063-4584(09)60312-5
• Gao, H. C. K., Akhtar, M., Creedon, C., Nar, Ö. O., & Lee, P. Y. (2025a). THE IMPACT OF PATIENT FACTORS ON THE MINIMAL CLINICALLY IMPORTANT DIFFERENCE OF ARTHROSAMID POLYACRYLAMIDE HYDROGEL INJECTION FOR KNEE OSTEOARTHRITIS: A COHORT STUDY. Journal of Osteoarthritis and Cartilage, Advance online publication. https://doi.org/10.1016/j.joca.2025.02.648
• Gao, H. C. K., Akhtar, M., Creedon, C., Nar, Ö. O., Verma, T., & Lee, P. Y. F. (2025b). Polyacrylamide hydrogel injections in knee osteoarthritis: A PROMs-based 24 month cohort study. Journal of Clinical Orthopaedics and Trauma, 103136. https://doi.org/10.1016/j.jcot.2025.103136