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New ultrasound technique reveals how healed tendons perform after ACL repair

NCT ID NCT07555782

Knowledge-focused Sponsor: Fatih Sultan Mehmet Training and Research Hospital 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looked at 29 people who had ACL surgery using their own hamstring tendons. Researchers used a special ultrasound to check how stretchy the healed tendons were and compared them to the healthy leg. They also tested leg muscle strength to see if tendon quality affects recovery.

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

29 people

The number who actually took part.

Started

Mar 2025

Finished

Apr 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 adult patients who have undergone anterior cruciate ligament (ACL) reconstruction using autologous hamstring tendon grafts (semitendinosus and gracilis) and have completed at least 6 months of postoperative follow-up. Participants will be selected from a single tertiary referral center and will have available postoperative magnetic resonance imaging (MRI) and isokinetic muscle strength (Cybex) data. All eligible patients will undergo shear-wave elastography (SWE) assessment of the regenerated hamstring tendons at the time of study enrollment.

Ages

18 to 50 years

Sex

Anyone

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: * Patients who have undergone anterior cruciate ligament (ACL) reconstruction using autologous hamstring tendon grafts (semitendinosus and gracilis) * At least 6 months of postoperative follow-up * Availability of postoperative magnetic resonance imaging (MRI) and isokinetic muscle strength (Cybex) measurements * Willingness to participate and provide informed consent Exclusion Criteria: * History of previous surgery on the same lower extremity (other than the index ACL reconstruction) * Presence of neuromuscular disorders affecting lower extremity function * Incomplete clinical, imaging, or functional data * Inability to undergo elastography assessment

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries disease of the tendon Muscle Weakness Tendon Injuries

As listed by the trial registrant

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

Anterior cruciate ligament rupture Muscle weakness Tendon injuries

Contacts and locations

Locations

  • Fatih Sultan Mehmet Training and Research Hospital

    Ataşehir, Istanbul, 34752, Turkey (Türkiye)

More trials for these conditions

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