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New eye score may predict cornea transplant need

NCT ID NCT07265388

Knowledge-focused Sponsor: Instituto Ramón y Cajal de Investigación Sanitaria 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing a scoring system called the SUCCESS Score to see if it can predict which people with Fuchs dystrophy will need a cornea transplant after cataract surgery. Researchers will follow 250 adults who have both Fuchs dystrophy and cataracts. The goal is to improve decision-making and avoid unnecessary transplants.

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 scoring system could help doctors better predict which Fuchs dystrophy patients will need a cornea transplant after cataract surgery, leading to more personalized care.
What could go wrong
This is an observational study, not a treatment trial. The score may not be accurate enough to change clinical practice, and results may not apply to all 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.

Participants

About 250 people

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

Started

Jun 2020

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.

Who is studied

dults with clinically diagnosed Fuchs endothelial corneal dystrophy (FECD) and visually significant cataract who are scheduled to undergo phacoemulsification surgery at participating tertiary referral centers in Spain. Eligible participants present FECD grade ≥2 on the modified Krachmer scale and have available preoperative Scheimpflug tomography and corneal densitometry measurements. The study population represents a real-world clinical cohort of patients routinely evaluated in corneal and cataract units, allowing assessment of the predictive performance and clinical utility of the SUCCESS Score under standard care conditions.

Ages

40 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: * Adults aged ≥40 years. * Clinical diagnosis of Fuchs endothelial corneal dystrophy (FECD) grade ≥2 on the modified Krachmer scale. * Presence of visually significant cataract requiring phacoemulsification surgery. * Ability to provide informed consent and comply with study procedures. * Availability of preoperative Scheimpflug tomography and corneal densitometry measurements. Exclusion Criteria: * Epithelial or stromal edema precluding reliable corneal imaging. * Previous ocular surgery (including corneal or intraocular procedures). * Corneal trauma, infection, or inflammation affecting endothelial integrity. * Coexisting ocular pathologies that could confound postoperative assessment (e.g., advanced glaucoma, macular degeneration).

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Conditions

The condition(s) this trial relates to.

Fuchs' endothelial dystrophy

As listed by the trial registrant

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

Fuchs endothelial corneal dystrophy

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

  • Hospital Universitario Ramón y Cajal, Universidad de Alcalá, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS)

    RECRUITING

    Madrid, Madrid, 28034, Spain

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