Orthopaedic Insights

Introduction
Cartilage is a tough yet flexible tissue that cushions our joints, allowing smooth and painless movement. It plays a vital role in keeping our joints healthy and mobile. Unfortunately, cartilage is susceptible to damage from injury, everyday wear and tear, or conditions like osteoarthritis. Because cartilage has a limited ability to heal on its own, finding effective treatments is essential to restore joint function, relieve pain, and improve quality of life.
Over time, many treatment methods have been developed — ranging from traditional surgery to newer, less invasive options. This article will explore and compare conventional cartilage repair techniques with ChondroFiller®, an innovative treatment gaining attention for its promising results. We’ll also highlight the importance of expert care in choosing the best options for each patient.
Understanding Traditional Cartilage Treatments
Traditional methods to repair damaged cartilage include debridement (removing loose or damaged cartilage), microfracture surgery (creating small holes in the bone beneath the defect to trigger healing), and grafting techniques.
These treatments aim to encourage the growth of repair tissue called fibrocartilage, which helps fill damaged areas. However, fibrocartilage is not as tough or durable as the natural cartilage that lines our joints. As a result, these methods often provide temporary relief and might require repeat surgery. They tend to be quite invasive and involve longer recoveries, sometimes with significant discomfort. Because of these challenges, researchers and clinicians have been keen to find better alternatives.
ChondroFiller: An Innovative Approach
ChondroFiller® is a modern, minimally invasive treatment designed to help damaged cartilage heal more naturally. It is an injectable gel made from type I collagen — a protein that acts as a scaffold to support the growth of the patient's own cartilage cells.
As one study explains: “ChondroFiller Liquid® is a resorbable filler based on type I collagen...used to form a protective layer around the cartilage defect while stimulating the growth of chondrocytes and the consequent induction of cartilage regeneration” (Corain et al., 2023).
Unlike traditional methods, ChondroFiller supports the formation of cartilage closer in structure to the natural tissue rather than less durable fibrocartilage.
One of the key strengths of ChondroFiller lies in its mechanical properties. Researchers note that ChondroFiller “exhibits the most pronounced viscous effects” among tested materials designed to mimic cartilage (Weizel et al., 2020). Its unique bi-phasic structure — with a hydrogel component making up 60% — means it can absorb and distribute forces much like natural cartilage does.
Because of this, ChondroFiller can treat cartilage defects in various joints, including knees, hips, ankles, and even small joints in the hands. The treatment is often delivered through keyhole surgery or targeted injections, forming a gel within minutes that sticks to the damaged area without harming the bone underneath. This approach minimises surgical trauma and speeds up recovery, while improving patient comfort compared to more invasive procedures.
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Comparing Effectiveness and Patient Experience
Clinical results suggest ChondroFiller can help regenerate cartilage that is more similar to the natural hyaline type, offering better durability than fibrocartilage formed after microfracture surgery.
For example, a study of patients with knee cartilage defects found that after 3 and 6 months, clinical scores significantly improved and these benefits lasted for at least a year: “The mean IKDC patient values...were significantly improved from the preoperative values...This improvement remained up to one year follow-up” (Schneider, 2016). MRI scans showed that the gel provided “a good immediate filling of all treated defects” with “perfect integration” and impressive maturation of the new tissue over time (Schneider, 2016).
Another study investigating hand joint osteoarthritis reported improvements in pain and grip strength following treatment: “There was an improvement in pain symptoms, associated with an increase in force in the pincer and grip movements” (Corain et al., 2023). MRI images also demonstrated changes such as reduced bone swelling and joint fluid buildup.
While traditional microfracture surgery can offer short-term relief, its repair tissue often deteriorates over several years, sometimes leading to further joint problems and additional surgeries. This procedure may also result in greater postoperative pain and a longer rehabilitation phase.
Patient outcomes can vary depending on factors like age, injury size, and adherence to rehabilitation plans. Overall, ChondroFiller presents a promising, safer alternative with fewer complications and a shorter recovery, making it an attractive choice for many patients. That said, experts agree that “further prospective randomised studies with higher case numbers and longer follow-up” are needed to fully understand its long-term benefits (Schneider, 2016).
The Role of Trusted Experts in Cartilage Care
Choosing the right treatment for cartilage damage isn’t straightforward and requires specialist expertise. Professor Paul Lee is a leading orthopaedic surgeon with extensive experience in cartilage repair. Working at centres like MSK Doctors and the London Cartilage Clinic, he offers thorough assessments and personalised treatment plans tailored to each patient’s unique needs.
MSK Doctors is renowned for its professional, patient-focused care and pioneering use of minimally invasive techniques such as ChondroFiller. With the guidance of experienced clinicians, patients can navigate their options confidently and pursue the treatment most suited to their lifestyle and health.
Conclusion & Disclaimer
ChondroFiller® provides a cutting-edge, minimally invasive option to repair cartilage injuries. It promotes the regeneration of stronger, more natural cartilage tissue while reducing surgical trauma and speeding recovery. Compared to traditional treatments like microfracture, ChondroFiller offers clear benefits in terms of safety, patient comfort, and lasting results.
Even with these advances, a thorough clinical examination and detailed medical history remain essential tools for deciding the best treatment route: “physical examination and clinical history are still the basic and low-cost diagnostic methods” (Corain et al., 2023).
If you are considering cartilage repair, consulting an experienced and reputable clinician such as Professor Paul Lee at MSK Doctors can help you make an informed decision.
For individual medical advice, please consult a qualified healthcare professional.
References
- Corain, M., Zanotti, F., Giardini, M., Gasperotti, L., Invernizzi, E., Biasi, V., & Lavagnolo, U. (2023). The Use of an Acellular Collagen Matrix ChondroFiller® Liquid for Trapeziometacarpal Osteoarthritis. Orthopaedic Journal of Sports Medicine, 11(1), 1-8. https://doi.org/10.1177/19476035251354926
- Schneider, U. (2016). Controlled, randomized multicenter study to compare compatibility and safety of ChondroFiller liquid (cell free 2-component collagen gel) with microfracturing of patients with focal cartilage defects of the knee joint. Vascular & Phlebology, 5(1). https://doi.org/10.5348/VNP05-2016-1-OA-1
- Weizel, A., Distler, T., Schneidereit, D., & Friedrich, O. (2020). Complex mechanical behavior of human articular cartilage and hydrogels for cartilage repair. Acta Biomaterialia, 119, 239-250. https://doi.org/10.1016/j.actbio.2020.10.025
Frequently Asked Questions
- ChondroFiller is a minimally invasive technique that closely replicates natural cartilage, reducing surgical trauma and offering better patient comfort. At MSK Doctors, specialists like Prof Paul Lee expertly use such innovative treatments to maximise patient outcomes and recovery.
- MSK Doctors provides pioneering, patient-centred care using advanced techniques. Professor Paul Lee, a renowned cartilage expert, offers thorough assessments and tailored treatment plans, ensuring each patient receives the most appropriate and modern treatment for their needs.
- ChondroFiller can be used for cartilage defects in knees, hips, ankles, and small joints of the hand. Professor Paul Lee’s experience at MSK Doctors ensures that a wide range of conditions can be expertly assessed and treated with modern methods.
- Professor Paul Lee is internationally recognised as a cartilage expert, Royal College of Surgeons’ Regional Surgical Ambassador and Advisor, and leads advanced cartilage repair procedures at MSK Doctors. His extensive expertise gives patients access to latest, evidence-based care.
- A personalised consultation with Professor Paul Lee ensures a thorough assessment, considering all factors unique to you. At MSK Doctors, expert guidance supports informed decision making, offering confidence in treatment choice and access to cutting-edge care options.
Legal & Medical Disclaimer
This article is written by an independent contributor and reflects their own views and experience, not necessarily those of MSK Doctors. It is provided for general information and education only and does not constitute medical advice, diagnosis, or treatment.
Always seek personalised advice from a qualified healthcare professional before making decisions about your health. MSK Doctors accepts no responsibility for errors, omissions, third-party content, or any loss, damage, or injury arising from reliance on this material.
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