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New knee brace aims to ease pain after ACL surgery

NCT ID NCT07090616

Symptom relief Sponsor: Rush University Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares a new knee brace called KRONOS to the standard Breg T-Scope brace after ACL reconstruction surgery. Researchers want to see if the KRONOS brace reduces pain and helps people recover knee motion faster. About 40 adults having ACL surgery will be randomly assigned to one of the two braces.

What this could mean

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

Active substance
knee brace (device)
What this could lead to
If it works, this could point toward a more comfortable and effective brace for ACL recovery, reducing pain and improving knee motion.
What could go wrong
This is a small, early-stage trial with only 40 participants, so results may not apply to everyone. The new brace may not be significantly better than the standard one.

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

About 40 people

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

Started

Feb 2025

Expected to finish

Jan 2028

An estimate. End dates often move.

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 years and older

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: * Subjects \> 18 years of age * English-speaking * Scheduled to undergo primary anterior cruciate ligament reconstruction surgery * No history of prior knee surgery on the operative knee * No concomitant ligamentous repair or reconstruction procedures (i.e. ligamentous pathology aside from anterior cruciate ligament). * Subjects undergoing concurrent partial meniscectomy or meniscus repair that would not alter postoperative weight-bearing status or rehabilitation protocol would be eligible for inclusion. * Clinical and radiographic examination (MRI) consistent with an acute full thickness ACL tear Exclusion Criteria: * Age \< 18 years of age * Non-English speaking * Revision ACL reconstruction * Multi-ligamentous injury, including concomitant posterior cruciate ligament, medial collateral ligament and fibular collateral ligament injuries * Concomitant meniscal or cartilage injury that would alter postoperative weight bearing status or rehabilitation protocol * Inability to comply with the proposed follow-up clinic visits * Subjects lacking decisional capacity * Worker's compensation subjects * Requiring a custom-sized brace

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As listed by the trial registrant

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

Anterior cruciate ligament (ACL) reconstruction surgery

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

  • Rush University Medical Center

    RECRUITING

    Chicago, Illinois, 60612, United States

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