OTX-TP is designed to lower IOP for up to 90 days and to address the poor adherence associated with chronic, daily eye drop regimens, the current standard of care.
The Phase 3 randomised, double blind, placebo-controlled clinical trial was conducted across more than 50 sites and enrolled 554 subjects with open-angle glaucoma or ocular hypertension in the full analysis set population.
The trial's primary efficacy endpoint was to demonstrate a statistically superior mean reduction of IOP from baseline for OTX-TP treated subjects compared with placebo insert treated subjects at nine different time points, three diurnal time points (8 AM, 10 AM, and 4 PM) at each of 2, 6, and 12 weeks following insertion.
Topline results show that the trial did not achieve its primary endpoint of statistically significant superiority in mean reduction of IOP compared with placebo at all nine time points.
OTX-TP treated subjects did have a greater reduction in IOP from baseline relative to placebo insert at all nine time points, and these differences were statistically significant (p value < 0.05) for eight of the nine time points.
The reductions from baseline for OTX-TP treated subjects in this trial ranged from 3.27-5.72 millimeters of mercury (mm Hg) across the nine time points with higher levels of intraocular pressure reduction seen at the earlier time points in this trial.
OTX-TP was generally well tolerated and no ocular serious adverse events were observed.
The most common ocular adverse events seen in the study eye were dacryocanaliculitis (approximately 7% in OTX-TP vs. 3% in placebo) and lacrimal structure disorder (approximately 6% in OTX-TP vs. 4% in placebo).
Ocular Therapeutix, Inc. is a biopharmaceutical company focused on the formulation, development, and commercialization of innovative therapies for diseases and conditions of the eye using its proprietary bioresorbable hydrogel-based formulation technology.
Ocular Therapeutix's first commercial drug product, Dextenza, is FDA-approved for the treatment of ocular pain following ophthalmic surgery.
OTX-TP (intracanalicular travoprost insert) is an intracanalicular insert in Phase 3 clinical development for the reduction of intraocular pressure in patients with primary open-angle glaucoma and ocular hypertension.
The company's earlier stage assets include OTX-TIC, an extended-delivery intracameral travoprost implant for the reduction of intraocular pressure in patients with glaucoma and ocular hypertension, as well as sustained release intravitreal implants for the treatment of retinal diseases.
These intravitreal implants include OTX-TKI, containing a tyrosine kinase inhibitor, and, in collaboration with Regeneron, OTX-IVT, an extended-delivery protein-based anti-vascular endothelial growth factor trap.
Ocular Therapeutix's first product, ReSure Sealant, is FDA-approved to seal corneal incisions following cataract surgery.
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