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Glaukos Announces Positive Three-Year Epioxa® Results Demonstrating Durable Clinical Outcomes in Keratoconus

$GKOSPress releaseOct 7, 2026, 4:05 PM ETRead the release

Glaukos reported positive three-year results from its Phase 3 extension study (GLK-202-03) of Epioxa, its epi-on corneal cross-linking therapy for keratoconus, showing durable efficacy after a single treatment. Treated eyes sustained a 1.9 diopter improvement in maximum corneal curvature, with 29% and 20% of eyes gaining two or more and three or more lines of best-corrected visual acuity, respectively, and no serious adverse events through three years.

Key figures

Drug Name
Epioxa (riboflavin 5'-phosphate ophthalmic solution)
Phase Of Trial
Phase 3
Subjects
35
Study eyes
38
Kmax improvement diopters
1.9
Year3 visit completion pct
92%
Eyes gaining 2plus lines bcva pct
29%
Eyes gaining 3plus lines bcva pct
20%

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