Using living donor hamstring tendons for ACL reconstruction in children
Official title: A Prospective Cohort Study of Skeletally Immature Patients Requiring Endoscopic Anterior Cruciate Ligament Reconstruction, Using Living Donor Hamstring Allograft From a Parent
Run by Maidstone & Tunbridge Wells NHS Trust · NCT05395767 · Data updated 2026-11-12
This study is testing a new way to repair torn ACLs in kids by using hamstring tendons from a living parent to see if it helps them heal better than traditional methods.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 8 Years to 17 Years |
| Sex | All |
| Enrollment | 40 (estimated) |
| Sponsor | Maidstone & Tunbridge Wells NHS Trust Academic / other |
| Locations | 1 site (Pembury, Kent) |
| Status | Recruiting |
| Started | September 15, 2021 |
| Main results expected | September 2026 |
| Study ends | September 2028 |
| Registry record updated | July 29, 2026 |
| Trial ID | NCT05395767 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are children aged 8 to 17 years with a confirmed ACL rupture requiring reconstruction.
✕Probably not a fit
Patients who have previously undergone ACL surgery on the same limb or are immunosuppressed may 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 study focuses on reconstructing the Anterior Cruciate Ligament (ACL) in children aged 8 to 17 years who have suffered a rupture. It employs a novel technique where hamstring tendons are harvested from a living donor, typically a parent, and then implanted into the child. The study aims to address the challenges of using traditional grafts in skeletally immature patients, who often have smaller tendons. By utilizing living donor tendons, the researchers hope to improve outcomes and reduce the rerupture rates associated with allografts from deceased donors.
Why it matters
Potential benefit: If successful, this approach could lead to better surgical outcomes and lower rerupture rates for children undergoing ACL reconstruction.
How similar studies have gone: While the use of living donor tendons is less common, similar approaches have shown promise in other studies, suggesting potential for success.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients aged 8 to 17 years inclusive and have a clinically and radiologically confirmed ACL rupture that requires reconstruction. * Patients who have had previous surgery for meniscal pathology . * Patients with current meniscal pathology * The child and their responsible adult are in agreement with the choice to undergo anterior cruciate ligament reconstruction using living donor allograft. * Donors has not previously undergone tendon harvest on the chosen donor limb * Patients are willing to attend follow up appointments and agree to fill in knee questionnaires and allow instrumented knee ligament testing. Exclusion Criteria: * Patients who have previously undergone ACL surgery on the same limb (and therefore require revision surgery) * Patients who are immunosuppressed, or receiving immunosuppressive therapy * Patients who are unable to attend follow-up appointments for continued research purposes. * Donors who have previously undergone hamstring tendon surgery on the donor limb * Patients and donors who have a positive screening blood test for any of the transmissible infections tested * Donors whose answers to the 'Donor Documentation Questionnaire' indicate that there could be a risk of transmissible infection, may not included * Donors who are not considered healthy enough to undergo a tenotomy under General anaesthetic
Where it's running
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Trauma & Orthopaedic Dept, Tunbridge Wells Hospital
Pembury, Kent, United Kingdom Recruiting
Study contacts
- Principal investigator: Nicholas Bowman — Maidstone & Tunbridge Wells NHS Trust
- Study coordinator: Helen Sankey, MSc
- Email: h.sankey@nhs.net
- Phone: 01892 635488
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Ways to Boost Quadriceps Power After ACL Surgery
This study tests whether neuromuscular electrical stimulation or hamstring vibration can help people 2–4 months after ACL reconstruction increase their quadriceps strength.
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ACL reconstruction with the over-the-top technique plus lateral extra-articular tenodesis in older versus younger patients
This project tests whether ACL reconstruction using the over-the-top technique combined with lateral extra-articular tenodesis gives similar outcomes and complication rates in people over 50 compared with people under 30.
-
Long-term results of ACL revision surgery using Achilles tendon allograft
This study tests how well revision ACL surgery using an Achilles tendon graft works for patients two years after their surgery and what factors might affect their recovery.
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Exercise with blood flow restriction for patients with complete ACL tears
This study is testing if exercising with blood flow restriction can help people with complete ACL tears recover better than just standard treatment alone.
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Split-belt treadmill training to improve knee biomechanics after ACL reconstruction
This small pilot will test whether six weeks of split-belt treadmill training can change how your reconstructed knee is loaded when you walk.
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Evaluating ACL injury and re-rupture rates after surgery
This study looks at how often people who had ACL surgery from 2020 to 2030 experience re-injury and how their recovery affects their ability to return to sports and quality of life.
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.