Evaluating the outcomes of cartilage repair surgery in the knee
Official title: Investigating the Biomechanical and Functional Outcomes of Autologous Chondrocyte Implantation: A Multi-centre Study
Run by University of Manchester · NCT06921889 · Data updated 2026-11-12
This study is testing how well cartilage repair surgery helps people with knee injuries feel and move better after the operation.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 47 (estimated) |
| Sponsor | University of Manchester Academic / other |
| Locations | 7 sites (Birmingham and 6 other locations) |
| Status | Recruiting |
| Started | April 22, 2024 |
| Main results expected | July 13, 2026 |
| Study ends | July 13, 2026 |
| Registry record updated | May 7, 2026 |
| Trial ID | NCT06921889 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults over 18 years old who have been diagnosed with a chondral injury to the knee and are listed for autologous chondrocyte implantation.
✕Probably not a fit
Patients under 18 years old or those listed for treatments other than ACI will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study investigates the biomechanical and functional outcomes of autologous chondrocyte implantation (ACI) for patients with chondral defects in the knee. It aims to assess how this surgical procedure affects knee function and movement post-operation, providing valuable insights into recovery expectations and potential complications. By analyzing patient-reported outcomes alongside objective measures, the study seeks to enhance understanding of ACI's effectiveness and inform future treatment strategies. The research is crucial as untreated cartilage injuries can lead to arthritis, impacting long-term quality of life.
Why it matters
Potential benefit: If successful, this study could provide patients with clearer expectations regarding recovery and functional improvements after cartilage repair surgery.
How similar studies have gone: Previous studies have reported on patient outcomes following ACI, but this study aims to fill gaps in understanding biomechanical and functional results, making it a valuable addition to existing literature.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Diagnosis of a chondral injury to the knee by a consultant orthopaedic surgeon Participants must have this diagnosis, else they are not eligible for ACI surgery. * Listed for ACI for a chondral injury by a consultant orthopaedic surgeon Participants must be listed for ACI, as this is the treatment of interest in this research study * Over 18 years old Participants must be legally capable of providing informed consent for the study. Exclusion Criteria: * Listed for any treatment other than ACI Participants must be listed for ACI, as this is the treatment of interest in this research study * Under 18 years old. Participants must be legally capable of providing informed consent for the study.
Where it's running
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Chapel Allerton Orthopaedic Centre
Leeds, United Kingdom Recruiting -
Trafford General Hospital
Manchester, United Kingdom Recruiting -
Royal National Orthopaedic Hospital
Stanmore, United Kingdom Recruiting -
New Cross Hospital
Wolverhampton, United Kingdom Recruiting -
Royal Orthopaedic Hospital
Birmingham, United Kingdom Not yet recruiting -
Addenbrooke's Hospital
Cambridge, United Kingdom Not yet recruiting
Show 1 more location
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Southampton General Hospital
Southampton, United Kingdom Not yet recruiting
Study contacts
- Principal investigator: Gwenllian F Tawy, PhD — University of Manchester
- Study coordinator: Gwenllian F Tawy, PhD
- Email: gwenllian.tawy@manchester.ac.uk
- Phone: 01617462371
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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MACI versus bone marrow stimulation for symptomatic ankle cartilage defects in people 17–65
This treatment comparison tests whether MACI (your own cultured cartilage cells on a collagen membrane) works better than bone marrow stimulation for people aged 17 to 65 with symptomatic cartilage defects of the talus.
-
Effects of PRP, PPP, and BMAC on recovery after hip surgery for labral issues
This study is testing whether treatments like platelet-rich plasma and bone marrow concentrate can help people recover better after hip surgery for labral issues.
-
Knee registry for patients receiving knee treatment
This study collects information from patients getting knee treatment at a clinic to see how their knee function, pain, and mobility change before and after treatment.
-
Using autologous chondrocyte suspension for knee cartilage repair
This study is testing whether using a patient’s own cartilage cells can help repair knee cartilage damage and improve their knee function over a year.
-
Using bone marrow concentrate with hip arthroscopy for labral tears and impingement
This study is testing whether using bone marrow concentrate during hip surgery can help people with labral tears and hip impingement feel better and prevent further joint problems.
-
Comparing MACI and microfracture treatments for knee cartilage defects in teens
This study is testing whether a new cartilage treatment called MACI works better than a standard procedure called microfracture for knee problems in teens aged 10 to 17.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.