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Cataract surgery device showdown canceled before it began

NCT ID NCT07044674

Knowledge-focused Sponsor: Alcon Research 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study aimed to compare two different surgical systems for cataract removal in adults with moderate to severe cataracts. The goal was to see which system was safer and more efficient. However, the study was withdrawn before any participants were enrolled, so no results are available.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.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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.

Key Inclusion Criteria: * Clinically documented diagnosis of age-related nuclear sclerotic cataract of grade 2 or greater in both eyes; * Both eyes with similar nuclear sclerotic cataract severity and type (within 1 cataract grade); * Both eyes able to be implanted with same intraocular lens material; * Both eyes able to receive the same ophthalmic viscosurgical device (OVD). * Other protocol-specified inclusion criteria may apply. Key Exclusion Criteria: * Planned intraoperative glaucoma surgery or expected postoperative procedures during the study in either study eye; * Laser-assisted cataract surgery in either study eye; * Any ocular disease and/or condition that, in the investigator's clinical judgement, may put the subject at significant risk, may compromise study results, or may interfere significantly with the subject's participation in the study. * Other protocol-specified exclusion criteria may apply.

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Conditions

The condition(s) this trial relates to.

cataract nuclear cataract nuclear senile cataract

As listed by the trial registrant

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

Cataract

Contacts and locations

Locations

  • Berkeley Eye Center

    Sugar Land, Texas, 77478, United States

  • The Eye Institute of Utah

    Salt Lake City, Utah, 84107, United States

  • Vance Thompson Vision

    Sioux Falls, South Dakota, 57108, United States

  • Whitsett Vision Group

    Spring, Texas, 77388, United States

  • Wolfe Eye Clinic

    West Des Moines, Iowa, 50266, United States

More trials for these conditions

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