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Can eye drops before cataract surgery improve vision?

NCT ID NCT06763731

Symptom relief Sponsor: National Taiwan University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether using Systane COMPLETE eye drops before cataract surgery can improve dry eye symptoms and help with surgical planning. About 150 adults aged 20-85 with dry eye who need cataract surgery will use the drops regularly before their operation. Researchers will measure dry eye symptoms, vision, and eye surface health to see if the drops make a difference.

What this could mean

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

Active substance
Systane COMPLETE eye drops
What this could lead to
If it works, this could show that using Systane COMPLETE before cataract surgery improves dry eye symptoms and helps achieve better vision after surgery.
What could go wrong
This is a small, early-phase trial with only 150 participants, so results may not apply to everyone. The main benefit is symptom relief, not a cure for dry eye.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 150 people

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

Started

May 2024

Expected to finish

Dec 2027

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

20 to 85 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: The subjects aged 20-85 years, with normal cognitive function and capable of answering related questionnaires who require phacoemulsification and intraocular lens implantation under topical anaesthesia, are the eligible candidates. Exclusion Criteria: 1. Unable to answer the questions in the dry eye survey. 2. Ocular trauma or ocular surgery in the planned surgical eye, active ocular infection, and obvious abnormalities in ocular surface or eyelid margins other than MGD cause decreased visual acuity other than cataracts. 3. Dry eye signs: Corneal Fluorescein Staining CFS (+) to exclude any corneal abnormalities or epithelial defect 4. Systemic drug use, including tetracycline derivatives, antihistamines, and isotretinoin. 5. Using dry eye medication at screening stage

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Conditions

The condition(s) this trial relates to.

cataract dry eye syndrome

As listed by the trial registrant

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

Ophthalmology

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

  • National Taiwan University Hospital

    RECRUITING

    Taipei, Taiwan, Taiwan

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