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Clin Ophthalmol. 2018 Oct 2;12:1921-1929. doi: 10.2147/OPTH.S175065. eCollection 2018.

A Phase II/III, randomized, double-masked, vehicle-controlled, dose-ranging study of the safety and efficacy of OTX-101 in the treatment of dry eye disease.

Author information

1
Tauber Eye Center, Kansas City, MO, USA, jt@taubereye.com.
2
Florida Eye Microsurgical Institute, Boynton Beach, FL, USA.
3
North Bay Eye Associates, Petaluma, CA, USA.
4
Toyos Clinic, Nashville, TN, USA.
5
North Valley Eye Medical Group, Mission Hills, CA, USA.
6
i-Novion, Inc, Randolph, NJ, USA.
7
South Shore Eye Care, Wantagh, NY, USA.

Abstract

Purpose:

The aim of this study was to evaluate the safety and efficacy of OTX-101, a clear nanomicellar aqueous solution of cyclosporine, in the treatment of dry eye disease (DED).

Patients and methods:

This was a 12-week multicenter, randomized, prospective, double-masked, vehicle-controlled, dose-ranging clinical trial. Subjects were adults aged ≥18 years, with a total conjunctival staining score of ≥3 and ≤9, and global DED symptom score ≥40 (0-100 visual analogue scale). Following a 14-day vehicle run-in, subjects were randomized in a 1:1:1 ratio to twice daily treatment with OTX-101 0.09%, OTX-101 0.05%, or vehicle for 84 days. Co-primary efficacy end points were changes, from baseline to Day 84, in the total lissamine green conjunctival staining score in the designated study eye and in the global symptom score (both eyes). Secondary end points included total corneal fluorescein staining score, tear breakup time, and Schirmer's test score.

Results:

In total, 455 subjects were randomized. Subjects treated with active drug experienced greater improvement in conjunctival staining than vehicle-treated patients (P<0.01 for both concentrations). All groups demonstrated improvements in global symptom score, but there were no differences among groups. Nominally significant differences were found between the active drug arms and vehicle for corneal staining scores and Schirmer's test scores. Most treatment-emergent adverse events were mild in severity; no serious ocular adverse events were reported.

Conclusions:

Both concentrations of OTX-101 met the co-primary sign end point (conjunctival staining) but not the co-primary symptom end point. OTX-101 0.09% demonstrated a notable impact on multiple signs of DED relative to vehicle and was well-tolerated.

KEYWORDS:

Schirmer’s test; cyclosporine; dry eye disease; inflammation

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