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Robotic knee tester aims to outdo the human hand in measuring ACL injuries

NCT ID NCT07688967

Knowledge-focused Sponsor: Arthroresearch LLC Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
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Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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
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Expanded access (paused)
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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This status has not been confirmed recently, so it may be out of date.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 Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This study tests a robotic system that measures how loose the knee is in adults with a torn ACL. The goal is to see if the robot's measurements match the standard doctor's pivot shift exam. Participants will have both knees tested with the robot before ACL surgery. If successful, the robot could provide a more consistent and objective way to assess knee instability.

What this could mean

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

What this could lead to
If the robotic system proves accurate, it could provide a more objective way to assess knee instability after an ACL tear.
What could go wrong
This is a small observational study, so the robotic measurements may not match the doctor's exam well, and the system may not be adopted in routine care.

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

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

Study participants will be selected from patients being treated for ACL injury by orthopedic providers in the Atlanta metropolitan area. Participants will generally be identified through orthopedic clinic schedules, clinical referrals, or patients scheduled for ACL reconstruction.

Ages

18 to 65 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: * Adults aged 18-65 years * Confirmed ACL tear by MRI or arthroscopic diagnosis * Able to provide informed consent Exclusion Criteria: * Prior major surgery on the affected knee * Multi-ligament knee injury * Active infection or inflammatory arthropathy * Inability to tolerate passive motion testing * Pregnant or planning to become pregnant during the study period * Unable to provide informed consent

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Conditions

The condition(s) this trial relates to.

Lacerations

As listed by the trial registrant

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

Anterior cruciate ligament (ACL) tear

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Trailer

    Atlanta, Georgia, 30324, United States

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