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Can 3D-printed plastic implants keep eyes level after jaw tumor removal?

NCT ID NCT07789392

Disease control Sponsor: Alexandria 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 27, 2026 · Last updated Sep 09, 2026 · Updated 2 times

Summary

This trial tests whether patient-specific PEEK implants, custom-made plastic pieces, can rebuild the bone under the eye after surgery to remove part of the upper jaw due to tumors. The goal is to keep the eye in its natural position and avoid a sunken appearance or vision problems. Nine people who need this type of jaw and eye socket reconstruction will receive the implant. Researchers will measure eye position and socket volume using CT scans, and watch for complications like double vision or eyelid issues.

What this could mean

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

Active substance
Patient-specific PEEK implants, a custom-made plastic device used to rebuild the bone under the eye after tumor removal surgery
What this could lead to
If it works, this could give people who lose part of the upper jaw to tumors a reliable way to rebuild the eye socket, reducing sunken-eye appearance and vision problems after surgery.
What could go wrong
This is a small, early-stage trial with only 9 participants, so results may not apply to everyone. Surgery carries risks like infection, implant movement, or eye complications such as double vision or eyelid issues.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

6 people

The number who actually took part.

Started

Oct 2023

Finished

Feb 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.

Ages

18 to 60 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: 1\. Unilateral invasive benign or malignant tumors of the maxilla that requires orbital floor resection. 3\. Brown class III maxillectomy defects patients 2. Patients with immediate orbital floor reconstruction will be enrolled in this study. Exclusion Criteria: 1. Medically compromised patients contradicting operation. 2. Delayed orbital floor reconstruction cases will be excluded. 3. Bilateral cases will be excluded.

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Conditions

The condition(s) this trial relates to.

maxillary neoplasm

As listed by the trial registrant

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

Maxillectomy Orbital floor reconstruction Peek implants

Contacts and locations

Locations

  • Faculty of dentistry, Alexandria university

    Alexandria, 21523, Egypt