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Premature baby eye treatments under the microscope

NCT ID NCT07427719

Knowledge-focused Sponsor: Oslo University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at children born prematurely who had retinopathy of prematurity (ROP), a disease that can cause blindness. Some were treated with laser, others with injections, and some had ROP but no treatment. Researchers will compare their vision and retina structure to see which approach works best.

What this could mean

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

What this could lead to
If successful, this study could clarify which ROP treatment better preserves vision and retinal health in premature children.
What could go wrong
This is an observational study, not a treatment trial. It will not directly improve care, and results may not apply to all children.

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.

Participants

About 140 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Jun 2029

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.

Who is studied

* Group 1: patients treated for ROP with laser * Group 2: patients previously diagnosed with ROP but not treated (matched 1:1 with patients in group 1) * Group 3: patients treated for ROP with injection of A-VEGF * Group 4: patients previously diagnosed with ROP but not treated (matched 1:1 with patients in group 3)

Ages

6 to 20 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 treated for ROP with either laser or injection of A-VEGF. * Patients previously diagnosed with ROP but not treated for the condition. Exclusion criteria: * Age below six years at date of examination. * A developmental level not compatible with performing the study examinations. * Patients born or treated outside Norway * Known ocular or systemic disease that can give structural or functional changes in the retina.

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Conditions

The condition(s) this trial relates to.

cortical blindness Premature Birth refractive error retinopathy of prematurity

As listed by the trial registrant

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

Cerebral visual impairment Prematurity complications Retinopathy of prematurity (ROP) Visual field defect

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

  • Oslo University Hospital

    Oslo, Oslo, 0424, Norway

More trials for these conditions

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