Cuff training could speed up ACL recovery for workers
NCT ID NCT07311031
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
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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
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Sep 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
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.
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The places running it
1 site. The list below names each one and where it is.
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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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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
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MAZ Hospital
Zaragoza, Zaragoza, 50009, Spain
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Zapping the brain to rebuild leg muscle after ACL tears
- Knee surgery showdown: does an extra ligament fix improve ACL recovery?
- Breathing workout with a twist: could blood flow restriction boost strength in the frail elderly?
- Shock therapy for knees: new study tests nerve zaps for ACL recovery
- Can BFR training and supplements boost muscle repair? new study investigates