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Knee surgery recovery: does graft type matter for muscle strength?

NCT ID NCT07523854

Knowledge-focused Sponsor: Hacettepe University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 80 people aged 13 to 45 who had ACL reconstruction using either a quadriceps or hamstring tendon graft. Researchers will measure knee muscle strength at several points over six months to see if one graft type leads to better recovery. All participants follow the same rehab program. The goal is to understand how graft choice influences strength and function after 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 this study finds clear differences, it could help surgeons choose the best graft type for faster and stronger muscle recovery after ACL surgery.
What could go wrong
This is an observational study, not a treatment trial. It only looks at recovery patterns, so it won't prove one graft is better for everyone. Results may not apply to all patients.

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 80 people

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

Started

Jan 2026

Expected to finish

Feb 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

Participants will be patients with anterior cruciate ligament reconstruction using either quadriceps tendon autograft or hamstring tendon autograft who are referred by an orthopedist to the Hacettepe University Sports Health Unit, meet the eligibility criteria, and provide voluntary consent

Ages

13 to 45 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: * Age 13 to 45 years * Undergoing anterior cruciate ligament reconstruction with either hamstring tendon autograft or quadriceps tendon autograft * Unilateral anterior cruciate ligament injury * Complete ACL tear with accompanying minimal collateral ligament injury and first-degree meniscal tear * Tegner Activity Score of 5 or higher * Willingness to participate in the study Exclusion Criteria: * Anterior cruciate ligament reconstruction with patellar tendon autograft or allograft * Revision surgery * Systemic or neurological disease * Multiple ligament injuries * Grade III lateral or medial collateral ligament tear or significant articular cartilage lesion * Failure to regularly attend the rehabilitation program during the first 3 postoperative months * History of lower extremity injury in the contralateral limb within the last 12 months * Hypertension, cardiovascular disease, peripheral vascular disease, history of deep vein thrombosis, neurological disease, systemic inflammation, diabetes, cancer, or obesity

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As listed by the trial registrant

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

Anterior cruciate ligament (ACL) reconstruction surgery Anterior cruciate ligament reconstruction rehabilitation Strength outcomes

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

  • Hacettepe University

    RECRUITING

    Ankara, 06100, Turkey (Türkiye)

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