Study of GLK-221 Ophthalmic Solution for Keratoconus

This study is testing a new eye drop, GLK-221 Ophthalmic Solution, for people with keratoconus. Keratoconus is an eye condition where the clear front surface of the eye (cornea) thins and bulges outwards. You would receive either GLK-221 Ophthalmic Solution or a placebo (an inactive solution) twice a day in both eyes. Researchers want to see if GLK-221 Ophthalmic Solution is safe and if it can improve the shape of the cornea. To join, you must be between 18 and 55 years old and have a diagnosis of keratoconus. Pregnant or breastfeeding individuals, or those in another drug or device study, cannot participate. The study aims to enroll 100 participants, but its current status is unclear.

Study design
This is a multi-center, parallel-group, placebo-controlled study. This means some participants will receive the active drug and others a placebo, and neither you nor your doctor will know which you are receiving. The study plans to enroll 100 participants.
What's involved
You would administer the assigned eye drops twice daily to both eyes. The primary measurement for the study is taken at 16 weeks.
Compensation
Not stated in the trial record.
Follow-up
The main measurement for the study is taken at 16 weeks after starting treatment.

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NCT07400952

Placebo-controlled Study to Evaluate the Safety and Efficacy of GLK-221 Ophthalmic Solution in Subjects With Keratoconus

Recruiting
PHASE2Ages 18–55InterventionalTreatment
Glaukos Corporation
~100 participants
Updated 2026-02-10 on ClinicalTrials.gov
What's tested:GLK-221 Ophthalmic SolutionPlacebo Ophthalmic Solution

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Mean change from baseline in maximum corneal curvature
Measured over 16 weeks
Keratoconus
1 sites across 1 states
Ohio1
  • Study Director, MD · STUDY_DIRECTOR · Glaukos Corporation

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Do you actually qualify for this trial?

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Eligibility criteria

Inclusion

Be ≥ 18 and ≤ 55 years of age
Diagnosis of keratoconus in the study eye

Exclusion

Pregnant, lactating or planning a pregnancy
Currently enrolled, or within 30 days prior to Screening were enrolled, in another investigational drug or device trial
  • Mean change from baseline in maximum corneal curvature16 weeks

    Mean change from baseline in maximum corneal curvature