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New eye scan could predict vision changes after cornea surgery

NCT ID NCT04258787

Knowledge-focused Sponsor: Oregon Health and Science University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study uses a special eye scan called OCT to measure swelling in the cornea of people with Fuchs' dystrophy or a related condition. Researchers want to see if this scan can predict how vision changes after surgery. About 60 participants will be observed over time.

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 could lead to better ways to measure corneal swelling and predict vision changes after surgery for Fuchs' dystrophy.
What could go wrong
This is an observational study, not testing a treatment. It may not lead to immediate clinical changes or benefit participants directly.

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 60 people

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

Started

Jun 2020

Expected to finish

Jun 2028

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

Adults age 18 or older with Fuchs' or PBK

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: * Damaged or diseased corneal endothelium from Fuchs' or PBK * Willingness to commit to required study visits Exclusion Criteria: * Prior Endothelial Keratoplasty (EK) or any other surgery except uncomplicated cataract surgery * Presence of a condition that increases the probability for treatment failure (e.g., heavily vascularized cornea, uncontrolled uveitis) * Other primary endothelial dysfunction conditions (e.g., posterior polymorphous corneal dystrophy and congenital hereditary corneal dystrophy, iridocorneal endothelial syndrome) * Central sub-epithelial or stromal scarring that could impact post-operative clarity assessment * Peripheral anterior synechiae in the angle greater than 3 clock hours * Hypotony * Uncontrolled glaucoma * Visually significant optic nerve or macular pathology

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Conditions

The condition(s) this trial relates to.

bullous keratopathy Fuchs' endothelial dystrophy

As listed by the trial registrant

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

Fuchs dystrophy Pseudophakic bullous keratopathy

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

  • Oregon Health & Science University

    RECRUITING

    Portland, Oregon, 97239, United States

More trials for these conditions

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