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Scientists track hidden muscle delays after ACL repair

NCT ID NCT07532980

Knowledge-focused Sponsor: KTO Karatay University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 15, 2026 · Updated 2 times

Summary

This study looks at how the thigh muscles (quadriceps and hamstrings) turn on during movement in people who have had ACL knee surgery. Researchers want to understand if muscle timing problems remain even after standard rehab. The study involves 25 men aged 18-45 who are 6 months to 2 years post-surgery. They will perform a functional task while muscle activity is recorded with sensors.

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.

Participants

30 people

The number who actually took part.

Started

Apr 2026

Finished

Jun 2026

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.

Who is studied

The study population will consist of male individuals aged 18-45 years who have undergone anterior cruciate ligament (ACL) reconstruction using semitendinosus and gracilis tendon grafts.

Ages

18 to 45 years

Sex

Male participants only

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: * participants must be males between 18 and 45 years old * must have undergone ACL repair surgery and be within 6 months to 2 years post-surgery * should have completed a standard rehabilitation program post-surgery * must provide written informed consent to participate in the study * should be in generally good health, without any other significant medical conditions that could affect the study outcomes; * must have returned to a moderate level of physical activity post-surgery Exclusion Criteria: * participants with any neurological disorders affecting lower limb function or any other musculoskeletal disorders or injuries that could affect the lower limb, apart from the ACL injury * those with cardiovascular conditions that contraindicate participation in physical activity * those with contraindications to kinesiological electromyography, such as skin conditions or allergies to electrodes * those who are unable or unwilling to comply with study procedures and follow-ups * those who have had multiple ACL surgeries on the same knee * participants involved in ongoing litigation related to their ACL injury

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Conditions

The condition(s) this trial relates to.

ankle injury Knee Injuries

As listed by the trial registrant

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

Anterior cruciate ligament reconstruction Knee injury Neuromuscular control

Contacts and locations

Locations

  • Kto Karatay University

    Konya, Karatay, 42030, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.