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Extra knee ligament repair may boost stability after failed ACL surgery

NCT ID NCT02680821

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026

Summary

This study tested whether adding a reconstruction of the anterolateral ligament (ALL) to a repeat anterior cruciate ligament (ACL) surgery improves knee stability and patient-reported outcomes. 102 people who needed a second ACL surgery took part. Half received the standard ACL revision alone, and half also had the ALL reconstruction. The goal was to see if the extra procedure leads to better rotational knee stability and higher scores on knee function questionnaires.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Anterolateral ligament (ALL) reconstruction procedure
What this could lead to
If successful, adding ALL reconstruction could improve knee stability and long-term function for people needing repeat ACL surgery.
What could go wrong
This is a completed trial with 102 participants, so results are limited in size. The extra surgery may not provide meaningful benefit over standard ACL revision alone and carries typical surgical risks.

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

102 people

The number who actually took part.

Started

Feb 2016

Finished

Sep 2024

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 50 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 with ACL revision surgery indication Exclusion Criteria: * Patients with difficulties of understanding danish

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries Rupture

As listed by the trial registrant

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

Contacts and locations

Locations

  • Division of Sports Trauma, Tage-Hansens Gade 2b

    Aarhus, 8000, Denmark

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Other studies related to the condition(s) this trial covers.