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Which tendon heals best after ACL repair? new study investigates

NCT ID NCT06769711

Knowledge-focused Sponsor: Karadeniz Technical University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study looks at two different tendon grafts used to repair a torn anterior cruciate ligament (ACL) in the knee. Researchers want to see if one type of tendon heals better and causes less change to the bone tunnels than the other. The study involves 58 people aged 18 to 45 who need ACL surgery. They will have MRI and CT scans after one year to check how the graft is healing and how the bone tunnels look.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

54 people

The number who actually took part.

Started

Jan 2025

Finished

Jun 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 45 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients aged between 18 and 45 years. * BMI in the range of 18 to 28. * Diagnosed with an anterior cruciate ligament (ACL) injury preoperatively confirmed by MRI. * Patients for whom it is deemed appropriate to harvest ipsilateral hamstring tendons or Peroneus Longus tendon for use as a graft. Exclusion Criteria: * History of previous surgery on the affected knee or ankle. * Presence of multiple ligament injuries in the affected knee. * ACL injuries that occurred more than 12 months prior to surgery. * Evidence of unstable meniscal injury on preoperative MRI that may alter the -postoperative rehabilitation protocol. * Inability to obtain a graft diameter of at least 9 mm using the isolated graft. * Presence of meniscal tears requiring repair. * Presence of advanced chondral lesions requiring surgical intervention. * Intraoperative detection of multiple ligament injuries. * Requirement for additional surgical procedures that would alter the standard rehabilitation protocol. * Occurrence of intraoperative surgical complications.

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anterior cruciate ligament rupture

Contacts and locations

Locations

  • Karadeniz Technical University, Orthopedic and Traumatology Department

    Trabzon, Turkey (Türkiye)

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