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Shock therapy for knees? device aims to rebuild muscle after ACL repair

NCT ID NCT07171346

Symptom relief Sponsor: University of Kansas Medical Center 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a neuromuscular electrical stimulation (NMES) device, used alongside standard physical therapy, can help people regain muscle strength more quickly after ACL reconstruction surgery. Twenty-five participants aged 15 to 50 will use the Zynex NexWave device at home. The main goal is to see if the treated leg catches up to the healthy leg in size, strength, and function.

What this could mean

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

Active substance
Zynex NexWave electrotherapy device
What this could lead to
If it works, this could offer a simple way to speed up muscle recovery after ACL surgery.
What could go wrong
This is a very small early study with only 25 people, so results may not apply to everyone. The device is used alongside standard rehab, so any added benefit may be modest.

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 25 people

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

Started

Feb 2026

Expected to finish

Jun 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

15 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: * ACLR surgical patients at KUMC sports medicine * 15 to 50 years old * BMI between 18 - 30 kg/m2 * No limitations impacting physical function within the last 6 months (not including the ACL injury) Exclusion Criteria: * Previous lower limb or spine injury involving surgical treatment * Prior spine surgery * Lower limb injury (other than ACL) preventing participation in physical activity for over two weeks in the past 6 months * Non english speaking * Vulnerable population, prisoner, or ward of the state

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries Asthenia muscular atrophy

As listed by the trial registrant

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

Acl reconstruction Acl surgery Acl-injury Electrotherapy Muscle atrophy or weakness

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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 Kansas Medical Center

    Kansas City, Kansas, 66160, United States

More trials for these conditions

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