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Could a surgical tourniquet skew a key knee stability test?

NCT ID NCT07831941

NEW Knowledge-focused Sponsor: Umraniye Education and Research Hospital 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 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 Results may not be published yet.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)
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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This status has not been confirmed recently, so it may be out of date.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 Sep 21, 2026 · Last updated Sep 21, 2026

Summary

Researchers are studying whether inflating a thigh tourniquet during ACL reconstruction changes the results of the pivot shift test, a knee exam that checks rotational instability. In each participant, the test is performed under anesthesia before and after the tourniquet is inflated, so the two conditions can be compared in the same person. The study includes 34 patients aged 16 to 65 with an ACL rupture, excluding those with multiple ligament injuries or fractures into the knee joint. The goal is to understand whether tourniquet use affects how surgeons interpret this test during ACL surgery.

What this could mean

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

Active substance
thigh tourniquet inflation during knee surgery
What this could lead to
If tourniquet inflation changes the pivot shift result, surgeons could adjust how they interpret the test during ACL reconstruction, which may lead to more consistent decisions about knee stability.
What could go wrong
This is a small study of 34 people at a single hospital, so the findings may not apply broadly. The pivot shift test itself can vary between examiners, which could make any tourniquet effect hard to separate from normal differences in technique.

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

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

About 34 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Nov 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

16 to 65 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: * Patients with anterior cruciate ligament (ACL) rupture. Age between 16 and 65 years. Exclusion Criteria: * Patients with multiligament knee injuries. Patients with fractures extending into the knee joint.

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries

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

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

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    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Umraniye Education and Research Hospital

    Istanbul, Umraniye, 34764, Turkey (Türkiye)

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