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Tiny needle shift could sharpen vision in Kids' eye surgery

NCT ID NCT07446829

Disease control Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen 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 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 Results may not be published yet.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)
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This status has not been confirmed recently, so it may be out of date.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 trial tests two different needle insertion spots during YAMANE surgery, a procedure to fix a lens in the eye for children with congenital ectopia lentis (a condition where the eye's lens is out of place). Researchers will compare how accurate the lens placement is and how well children see 3 months after surgery. The goal is to find the safest and most effective needle position to improve vision and reduce complications.

What this could mean

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

Active substance
YAMANE surgical technique (procedure)
What this could lead to
If successful, this could identify the best needle insertion point for YAMANE surgery, leading to better vision and fewer complications for children with congenital ectopia lentis.
What could go wrong
This is a small, early-stage trial with only 54 participants, so results may not apply to all patients. The study is not yet recruiting, and surgical outcomes can vary.

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 54 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

4 to 18 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. Patients aged 4-18 years (regardless of gender) who meet the indications for YAMANE technique. 2. Patients who can complete a follow-up period of at least 3 months after surgery. 3. Patients or their legal guardians who provide informed consent to participate in this study. Exclusion Criteria: 1. Patients with concurent secondary qlaucoma, retinal detachment, strabismus, or other relevant ocular complications (excluding refractive errors). 2. Patients participating in other trials that may affect the results of this study.

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Conditions

The condition(s) this trial relates to.

isolated ectopia lentis

As listed by the trial registrant

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

Congenital ectopia lentis

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

  • Clinical Research Center for Ocular Diseases, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science

    Guangdong, Province, 510060, China

More trials for these conditions

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