Cartilage specialists for Regeneration, Repair & Replacement

Tissue-first care for cartilage, meniscus, tendon and ligament damage, combining advanced regenerative pathways with specialist surgery when structure must be corrected first.

Verified across three networks

Trusted by patients on Doctify, Google and Top Doctors

Professor Lee's regenerative framework

RegenRepair™

Seed. Soil. Signal.

Start with the tissue and its mechanical job—not a generic injection. RegenRepair™ combines patient-derived biology, a collagen scaffold and a biological signal in tissue-specific pathways for cartilage, meniscus, tendon and ligament damage.

Priority treatments

The treatments patients ask about most

Four distinct options, with different targets and evidence. Suitability starts with diagnosis and imaging—not whichever name is most familiar.

NanoACi treatment

Cartilage regeneration

NanoACi

A non-arthroscopic Seed, Soil and Signal pathway using an auricular-cartilage micrograft, collagen scaffold and platelet-rich fibrin.

NanoATi treatment

Tendon regeneration

NanoATi

A tendon-specific pathway combining autologous fibroblast-rich micrografts, collagen Soil, platelet-rich fibrin Signal and progressive loading.

Athlete grasping their knee after an ACL injury
Signature procedure

Repair your ACL.
Keep your own tissue.

STARR is the cartilage-preserving ACL repair pioneered by Professor Paul Lee. No tendon graft taken from your leg, recovery in six weeks to three months, and the ligament you were born with stays where it belongs.

  • No graft harvested
  • 6 weeks to 3 months
  • Native ligament preserved
Prof Paul Lee, Founder & Surgical Director

Founder & Surgical Director

Care led by Prof Paul Lee

MBBch, FRCS (Tr & Orth), PhD · GMC 6115197

Internationally recognised cartilage surgeon, regenerative medicine doctor, and medical engineer. Founder of London Cartilage Clinic, MSK Doctors, and The Keep Clinic. Honorary Professor at the University of Lincoln, Visiting Professor at the University of Chester, Royal College of Surgeons of Edinburgh Ambassador, and Founding President of the International Association of Regenerative Medicine.

2026 · BOA

Robert Jones Medal & Association Prize

International leadership

Founding President, IAMRegen

Cartilage education

ICRS Teaching Centre of Excellence

Featured in

The Sun
Daily Express
Daily Mail
The Guardian
Telegraph
Stylist
Golf Chic
Nike
Coach
The Sun
Daily Express
Daily Mail
The Guardian
Telegraph
Stylist
Golf Chic
Nike
Coach
The Sun
Daily Express
Daily Mail
The Guardian
Telegraph
Stylist
Golf Chic
Nike
Coach

You may have more options than you've been told

Preserve. Repair. Regenerate. Replace.

Most patients arrive thinking the only path is replacement. We see your joint as a spectrum of choices, and replacement is the last resort, not the first.

Advanced Regenerative Therapy

Stem Cell / Medicinal Signaling Cell injections

Knee Stem Cell / Medicinal Signaling Cell Therapy

Knee

Stem Cell / Medicinal Signaling Cell therapy has proven to be a very effective way of treating symptoms of degenerative conditions in the knee. If you’re looking for the best possible option regardless of the cost, Stem Cell / Medicinal Signaling Cell injections could be right for you.

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Cartilage Stem Cell / Medicinal Signaling Cell Therapy

Cartilage

We specialise in utilising Mesenchymal Stem Cells / Medicinal Signaling Cells (MSCs) for the regeneration and repair of cartilage. Offering an effective, non-invasive alternative to traditional surgical methods by harnessing the body's innate ability to repair tissue.

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Shoulder Stem Cell / Medicinal Signaling Cell Therapy

Shoulder

Offering state-of-the-art shoulder therapy utilising MSCs. Our innovative approach targets the natural regeneration of shoulder joint tissues, aiming to restore mobility and reduce pain without invasive surgeries.

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Hip Stem Cell / Medicinal Signaling Cell Therapy

Hip

Our pioneering hip therapy provides non-surgical solutions using MSC regenerative capabilities. This treatment aims to enhance joint function and alleviate pain in patients experiencing chronic hip issues.

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What patients say

Real stories, real patients

From an Olympian's return to movement, to everyday patients getting their pain under control, these are the outcomes we work for.

Olympian

Sharron Davies on her recovery with Prof Paul Lee

Olympian Sharron Davies talks through her consultation, treatment and return to movement, the same patient-led approach we apply to every case.

Verified patient reviews

I had ACL surgery a few months ago and was really worried about the recovery process. A friend recommended Professor Lee and I am so glad I followed her advice. The surgery was successful, and I recovered much faster than I expected.

Private patient

Verified

Thank you, Professor, for reviewing all of my notes and going over the scans with me. I had consulted five private orthopaedic specialists, but none picked up on my knee plica. I am very grateful for your time and expertise.

Private patient

Verified

I cannot believe the incredible improvement in my knee pain since I had a meniscus repair with biological scaffolding. Professor Lee has been amazing throughout the entire process.

Private patient

Verified

My doctor recommended Professor Lee's meniscus repair with cells. The treatment has been very effective in reducing my pain and improving my mobility. I would highly recommend.

Private patient

Verified

Been told you need a joint replacement?

There may be options worth exploring first. A discovery call with our team is the fastest way to find out.

Key surgical treatments

Specialist procedures

Cartilage surgery

Cartilage

Repair, regeneration and replacement — chosen to match the size, location and depth of the defect, and your own goals.

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Meniscus surgery

Meniscus

Repair, partial repair, regeneration, and replacement — keeping the meniscus where possible to protect your underlying cartilage.

Learn more
ACL repair using the STARR technique
Signature

ACL repair — STARR

Cartilage-preserving ACL repair pioneered by Professor Paul Lee. No graft harvested, recovery in six weeks to three months.

Learn more

Meet the team

Professor Paul Lee

Professor Paul Lee

Cartilage Surgeon

Leonidas Vachtsevanos

Leonidas Vachtsevanos

Consultant Orthopaedic Surgeon

Ashok Marudanayagam

Ashok Marudanayagam

Consultant Orthopaedic Surgeon

Dr. Sara McNeillis

Dr. Sara McNeillis

Consultant in Sleep Medicine and Anaesthesia

Looking for a specialist opinion?

Consult with our team to discuss the best treatment path for your condition.

Ready to take the next step?

Get clarity on your options

A short discovery call is the fastest way to understand what's possible for your joint — without travelling, paying, or waiting.

London Cartilage Clinic

Latest Insights

Clinical updates, cartilage treatment guidance, and recovery-focused articles from our specialist team.

Does a meniscus tear lead to arthritis?
Knee OA
Eleanor Hayes

Does a meniscus tear lead to arthritis?

Meniscal tears independently predict cartilage loss and osteoarthritis. Tear subtype, patient age, BMI, and alignment determine the rate of progression: posterior root tears in younger patients accelerate rapidly, whilst isolated degenerative tears may remain stable for years.

ChondroFiller Injection for Elbow Cartilage Damage
Cartilage Repair
Eleanor Hayes

ChondroFiller Injection for Elbow Cartilage Damage

ChondroFiller injection is an ultrasound-guided, outpatient treatment for focal elbow cartilage defects: a collagen scaffold recruits the patient's own progenitor cells to regenerate tissue, avoiding cell culture.

ChondroFiller vs hyaluronic acid for knee cartilage
ChondroFiller / Liquid Cartilage
Eleanor Hayes

ChondroFiller vs hyaluronic acid for knee cartilage

ChondroFiller, a murine-derived collagen hydrogel, recruits the patient's own progenitor cells to repair focal cartilage lesions; hyaluronic acid viscosupplements like Durolane and Cingal restore joint lubrication in diffuse osteoarthritis without repairing tissue.

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