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Massive ACL registry reveals hidden knee injury patterns

NCT ID NCT04135950

Knowledge-focused Sponsor: State University of New York at Buffalo Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tracked 1,646 people having ACL knee surgery to see what other injuries (like meniscus or cartilage tears) they had and what factors might predict those injuries. It was an observational registry, not a test of a new treatment. The goal was to gather information to help doctors better understand and manage ACL injuries.

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.

Participants

1,646 people

The number who actually took part.

Started

Jan 2005

Finished

Oct 2025

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.

Who is studied

All patients at our institution who are having ACL surgery by one of 4 fellowship-trained surgeons will be included in this registry.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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 undergoing ACL surgery Exclusion Criteria: * Previous surgery on the affected knee * Posterior cruciate ligament injuries * Grade 2 lateral collateral ligament or medial collateral ligament injuries

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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 tear Bone bruising Cartilage injury Meniscal tear

Contacts and locations

Locations

  • UBMD Orthopaedics and Sports Medicine

    Buffalo, New York, 14226, United States

More trials for these conditions

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