Cuff training could speed up ACL recovery for workers

NCT ID NCT07311031

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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 Results may not be published yet.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)

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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

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First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether using a pressurized cuff on the thigh during exercise (blood flow restriction training) helps people regain leg strength faster after ACL knee surgery. Sixty active workers who had an ACL tear will be split into two groups: one does standard rehab, the other adds the cuff. The goal is to see if the cuff group gets stronger and returns to work sooner.

What this could mean

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

Active substance
blood flow restriction training (a pressurized cuff on the thigh during exercise)
What this could lead to
If it works, this could help people recover leg strength faster after ACL surgery and return to work sooner.
What could go wrong
This is a small, early-stage trial with only 60 participants, and neither patients nor therapists will know which group they are in, which could bias results. The approach may not work better than standard rehab.

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 60 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Sep 2027

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 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: * Male or female (18-65 years of age); must be skeletally mature with closed physes * Worker active * Diagnosis of acute (\<8 weeks), unilateral ACL tear with planned surgery confirmed via clinical examination and MRI * No previous ACL injury or reconstruction on the involved limb * Planned graft: autologous ipsilateral hamstring graft for ACL reconstruction * Planned fixation: suspensory cortical femoral device and tibial interference screw Exclusion Criteria: * Completed knee dislocation or multiligament injury (PCL, MCL, LCL) * ACL Graft diameter \< 8mm * Meniscal suture or meniscal root reattachment * Post-surgical immobilization * Any current or previous conditions or surgeries that might affect gait * Pregnant * Spinal fusion * Any implanted medical device or other contraindications for MRI * History of deep vein thrombosis and/or varicose veins or familiy history of deep vein thrombosis * Taking anti-coagulant drugs for any blood, cardiac or congenital disease that may cause coagulation disorders * Taking bone and muscle metabolism-modulation drugs or muscle supplements (e.g., creatine, amino acids, whey protein,…) * Recent inflammation, bleeding disorders, active bleeding, or infection within the lower limbs * Diabetic or have uncontrolled hypertension * Diminished capacity to provide informed consent * Unfeasible to attend regular physical therapy and study visits

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Conditions

The condition(s) this trial relates to.

Knee Injuries

As listed by the trial registrant

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

How to take part

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  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.

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  3. A doctor treating you

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Contacts and locations

Locations

  • MAZ Hospital

    Zaragoza, Zaragoza, 50009, Spain

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