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No bubble needed? new eye surgery could change macular hole repair

NCT ID NCT06908824

Symptom relief Sponsor: Chinese University of Hong Kong 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two surgeries for macular holes, a common cause of vision loss. The standard method uses a gas bubble to help the hole close, but the new technique skips the bubble. Researchers want to see if the new method works just as well and makes recovery easier for 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.

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 180 people

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

Started

Sep 2025

Expected to finish

Dec 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.

Ages

18 years and older

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 \>= 18 years * Presence of full thickness macular hole in one eye (defined as full thickness discontinuity of neuro-sensory retina at the macula on optical coherence tomography) * Able to comply to post-operative posture * VA ≥0.05 and ≤0.8 Exclusion Criteria: * Fellow eye enrolled in the study * Eyes that underwent previous macular surgery * Presence of maculopathy other than macular hole, epi-retinal membrane or myopic maculopathy. For example, age-related macular degeneration, diabetic macular edema or pre-existing macular scar * Axial length \>/= 28mm or presence of significant myopic chorio-retinal atrophy involving the fovea * Minimum linear diameter \>/=800µm * Presence of contraindications to intraocular gas, such as advanced glaucoma or uncontrolled glaucoma * Significant macular puckering (Govetto staging ≥ stage 2) * Patients who are unable to give informed consent * Patients who are pregnant

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Conditions

The condition(s) this trial relates to.

macular holes retinal perforation

As listed by the trial registrant

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

Macular hole Macular hole surgery

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites in 3 countries. 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

  • Chang Gung Memorial Hospital

    NOT_YET_RECRUITING

    Taoyuan, Taiwan

  • Hong Kong Eye Hospital

    RECRUITING

    Hong Kong, Hong Kong

  • Poznan University of Medical Sicences, University Hospital in Poznan

    NOT_YET_RECRUITING

    Poznan, Poland

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