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Mind over knee: can psychological readiness predict a safe return to sport after ACL surgery?

NCT ID NCT07733895

Knowledge-focused Sponsor: Biruni University 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 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.
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 29, 2026 · Last updated Aug 18, 2026 · Updated 3 times

Summary

This observational study follows athletes who had anterior cruciate ligament (ACL) reconstruction surgery, measuring their psychological readiness, fear of movement, and knee function at different points between 3 and 24 months after surgery. The goal is to see how these factors change over time and whether they relate to returning to sports. Participants fill out questionnaires about their mental readiness, fear of re-injury, and knee function. The study does not test any treatment but aims to improve understanding of recovery after ACL surgery.

What this could mean

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

What this could lead to
If successful, this could help clinicians better time return-to-sport decisions and design targeted psychological support after ACL surgery.
What could go wrong
This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may not apply to all athletes or surgical techniques.

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

About 200 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Aug 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.

Who is studied

The study population will consist of athletes aged 18 years or older who have undergone unilateral primary anterior cruciate ligament (ACL) reconstruction and are between 3 and 24 months postoperatively. Participants must have regularly participated in sports before injury (preinjury Tegner Activity Scale score ≥4), be able to complete the study questionnaires in Turkish, and provide written informed consent.

Ages

18 years and older

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: * Age ≥18 years. * History of unilateral primary anterior cruciate ligament (ACL) reconstruction. * Between 3 and 24 months after ACL reconstruction at the time of assessment. * Regular participation in sports before ACL injury with a preinjury Tegner Activity Scale score of ≥4. * Ability to read and understand Turkish and independently complete the study questionnaires. * Willingness to participate in the study. * Provision of written informed consent. Exclusion Criteria: * Revision ACL reconstruction. * Reinjury or graft rupture of the reconstructed ACL. * Bilateral ACL injury. * History of ACL reconstruction in the contralateral knee. * Concomitant major ligament, cartilage, bone, or extensor mechanism surgery that is expected to substantially affect rehabilitation, weight-bearing status, return-to-sport timing, or knee function following primary ACL reconstruction. * Other lower-extremity injuries or surgical conditions unrelated to ACL reconstruction that limit sports participation at the time of assessment. * Neurological, rheumatologic, cardiopulmonary, or other severe systemic diseases that substantially limit sports participation. * Cognitive, psychiatric, or communication disorders that preclude reliable completion of the study questionnaires.

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries Kinesiophobia

As listed by the trial registrant

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

Anterior cruciate ligament injury

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

  • Istanbul University

    Istanbul, Turkey (Türkiye)

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