Eye drop study reveals hidden changes in eye bacteria
NCT ID NCT07643077
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how a common glaucoma eye drop (latanoprost with preservatives) changes the natural bacteria living on the eye's surface. Researchers will compare the eye bacteria of 45 newly diagnosed glaucoma patients before and after at least 6 months of treatment. The goal is to understand how the medication affects the eye's microbiome, which may help improve future treatments.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 45 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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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
Newly diagnosed treatment naive glaucoma patients or those with ocular hypertension
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Newly diagnosed treatment naive glaucoma patients or those with ocular hypertension Exclusion Criteria: * Patients' history of recent ocular surgery or trauma, * Patient with any type of conjunctivitis and ocular surface inflammation recent to the time of diagnosis * Patients using topical antibiotics * Contact lenses wearers * Patients in other chronic treatments with eye drops
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University Hospital of Ioannina
Ioannina, Epirus, 45500, Greece
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can exercise shield the eyes of glaucoma patients?
- The 20-Minute squeeze: how eye injections push pressure up
- Can better Follow-Up schedules save sight in glaucoma?
- Portable devices could take the guesswork out of eye pressure checks
- Eye drops may shield the cornea after cataract surgery
- Can a puff of air replace the eye pressure probe?