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Temporary tear duct filling with hyaluronic acid gel and assessment of dry eye disease (DED) after bilateral cataract surgery in a prospective randomized controlled inter-eye study

NCT ID NCT07809022

NEW Sponsor: Medical University of Vienna Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 09, 2026

Summary

Dry eye disease can occur or worsen after cataract surgery and may cause ocular discomfort and reduced visual quality. Standard treatment commonly includes artificial tear eye drops, which provide temporary lubrication. Temporary occlusion of the tear drainage system may offer an alternative approach by increasing tear retention and improving tear film stability. This prospective, randomized, double-blind, inter-eye study will evaluate the use of LACRIFILL® Canalicular Gel, a crosslinked hyaluronic acid gel placed in the tear drainage system, in patients who have undergone bilateral cataract surgery. Treatment allocation will be randomized at the eye level within each participant. One eye will be assigned to treatment with LACRIFILL®, while the fellow eye will serve as the control and receive standard care with artificial tear eye drops. The study will compare the development and severity of dry eye disease between the randomized treatment and control eyes. The main outcome will be tear production measured by the Schirmer Test 1 one month after treatment. Additional assessments will include tear film stability, ocular surface findings, anterior segment imaging, visual quality, dry eye symptoms, use of artificial tears, and treatment-related safety outcomes during a three-month follow-up period.

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 25 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

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

45 to 99 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: * Uncomplicated bilateral cataract surgery for age-related cataract within the last 2-7 days * Implantation of the same type of lens in both eyes (diopters may differ). * Age 45-99 years * Willingness to complete the study * Signed informed consent form Exclusion Criteria: * Bilateral cataract due to a different cause * Retinal findings affecting quality of life or visual acuity in any eye * History of uncontrolled glaucoma in any eye (defined as intraocular pressure ≥ 25 mmHg despite treatment with anti-glaucoma mediation) * Active or suspected ocular or periocular infection in the study eye. * Vitreous hemorrhage or history of rhegmatogenous retinal detachment or macular hole in the study eye.

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Conditions

The condition(s) this trial relates to.

dry eye syndrome

As listed by the trial registrant

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

Dry eye Dry eye disease (DED) Dry eye sensation after cataract surgery

How to take part

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  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

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Contacts and locations

Locations

  • Medical University of Vienna, Department of Ophthalmology and Optometry

    Vienna, State of Vienna, 1090, Austria

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