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Can a simple triangle on the face prevent nerve damage in jaw surgery?

NCT ID NCT07807813

Disease control Sponsor: Delta University for Science and Technology 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 08, 2026 · Last updated Sep 09, 2026 · Updated 1 time

Summary

This trial tests whether marking a safety zone on the face before surgery can help protect the facial nerve when fixing a broken jaw through a cheek incision. The safety zone is a triangle drawn between the ear, the outer corner of the eye, and the lower jaw edge. Researchers will compare facial nerve function after surgery in 16 healthy patients with jaw fractures that need this approach, using a standard grading system to measure any nerve damage.

What this could mean

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

Active substance
A landmarked safety-zone triangle used to guide the cheek incision during jaw fracture surgery
What this could lead to
If the safety zone works, it could give surgeons a reliable way to avoid facial nerve damage during jaw fracture repair, reducing the risk of facial weakness or paralysis after surgery.
What could go wrong
This is a small, early study with only 16 patients, so the results may not apply to everyone. The approach depends on precise anatomy, and individual differences could limit its usefulness.

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 16 people

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

Started

Sep 2026

Expected to finish

Dec 2026

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.

Ages

20 to 45 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Healthy patients (American Society of Anesthesiologists Class I) * Patients with mandibular fracture that require open reduction and internal fixation with miniplates and screws. * Mandibular fractures that couldn't be accessed transorally only. * Non-comminuted fractures Exclusion Criteria: * Patients with neurological disorders. * Patients who take nerve-supporting supplements (such as Vitamin B12 or Vitamin B complex) prior to surgery. * Presence of facial laceration. * Infected fractures

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Conditions

The condition(s) this trial relates to.

Facial Nerve Injuries jaw fracture Mandibular Fractures Surgical Wound

As listed by the trial registrant

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

Facial nerve injuries Mandibular fractures Surgical incision

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

  • Department of Oral and Maxillofacial Surgery, Faculty of Oral and Dental Medicine, Delta University for Science and Technology

    RECRUITING

    Al Mansurah, Addakahlyia, 35516, Egypt

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