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Cataract surgery tech showdown: laser vs standard handpieces

NCT ID NCT05119270

Knowledge-focused Sponsor: Centre hospitalier de l'Université de Montréal (CHUM) 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study was designed to compare two newer technologies for cataract surgery: a femtosecond laser and a special handpiece that monitors eye pressure. The goal was to see if these tools cause less damage to the cornea and use less energy than standard methods. However, the study was withdrawn before enrolling any participants, so no results are available.

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.

Started

Dec 2021

Expected to finish

Mar 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.

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: * Adult patient (over 18 years of age) * Patients undergoing uncomplicated cataract surgery with intraocular lens implantation * Ability to provide informed consent; * Ability to be followed for the entire duration of the study. Exclusion Criteria: * Minor patient (under 18 years of age) * Unable to give informed consent * Unable to be followed for the duration of the study * Another surgery combined with cataract extraction * History of ocular surgery * Patient with concomitant ocular diseases other than cataract (such as corneal, retinal, or glaucoma diseases) * Irregular corneal astigmatism or keratoconus

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Conditions

The condition(s) this trial relates to.

astigmatism cataract Corneal Endothelial Cell Loss

As listed by the trial registrant

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

Astigmatism Cataract Corneal endothelial cell loss

Contacts and locations

Locations

  • Centre Hospitalier de l'Université de Montréal

    Montreal, Quebec, H2X 3E4, Canada

More trials for these conditions

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