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Special treadmill training may help ACL recovery

NCT ID NCT06529692

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 16, 2026 · Updated 3 times

Summary

This study tests whether walking on a split-belt treadmill (where each leg moves at a different speed) can improve how the knee loads weight after ACL reconstruction. Nine people who had ACL surgery within the past 10 months will be randomly assigned to one of two training groups or a placebo group. The goal is to gather pilot data for a larger future trial.

What this could mean

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

Active substance
split-belt treadmill training
What this could lead to
If it works, this could point toward a simple walking exercise to help people regain normal knee function after ACL surgery.
What could go wrong
This is a very small pilot study with only 9 people, so results may not apply to everyone. It is designed to gather data for a future trial, not to prove effectiveness yet.

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 9 people

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

Started

Aug 2025

Expected to finish

Dec 2026

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

14 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: * aged 14-45 years * suffered an acute, complete ACL rupture as confirmed by MRI and physical exam * have undergone ACL reconstruction w autograft within the past 10 months * willingness to participate in testing and follow-up as outlined in the protocol * English-speaking Exclusion Criteria: * inability to provide written informed consent * female subjects who are pregnant or are planning to become pregnant (self-reported) * previous ACL injury * previous surgery to either knee * bony fracture accompanying ACL injury * patients who experienced a knee dislocation * patients who had their ACL reconstructed with an allograft * patients who underwent a multi-ligamentous and/or staged ACL reconstruction

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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.

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

  • University of Michigan

    RECRUITING

    Ann Arbor, Michigan, 48176, United States

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