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Response to netarsudil in goniotomy-treated eyes and goniotomy-naïve eyes: a pilot study

Purpose: To compare the intraocular pressure (IOP)-lowering effects of netarsudil on goniotomy-treated eyes versus goniotomy-naïve control eyes.

Methods: Retrospective cohort study of 70 eyes from 49 adult glaucoma patients treated with netarsudil. Thirty-five eyes received sectoral goniotomy using Kahook Dual Blade (KDB) combined with cataract surgery with minimum of 3 months prior to netarsudil treatment. Thirty-five eyes in the control cohort received only cataract surgery prior to netarsudil. Primary outcome was treatment success, defined as ≥ 20% decrease in IOP at minimum 1 month follow-up. Secondary outcome measures included percent of IOP reduction, adverse effects of medication, medication discontinuation rate, and relationship between KDB goniotomy response and netarsudil response.

Results: Eighty-three percent of KDB-treated eyes achieved netarsudil treatment success compared to 54% of control eyes (P = .012). IOP reduction was 30.3 ± 16.2% (IQR 21-38%) in KDB-treated eyes and 19.4 ± 12.4% (IQR 9.2-30.8) in control eyes (P = .007). History of prior KDB increased the likelihood of success to netarsudil treatment compared to eyes without prior KDB, regardless of surgical response to KDB (odds ratio 4.51, 95% CI 1.34-15.14, P = .015). The overall rate of adverse effects of netarsudil was 42%, most commonly reported as conjunctival hyperemia, allergy, and blurred vision.

Conclusions: Netarsudil had a greater IOP-lowering effect in eyes treated with prior goniotomy and may serve as a promising adjunctive ocular hypotensive agent to further reduce IOP in eyes with prior goniotomy.

Related Products

Cat.No. Product Name Information
S8226 Netarsudil (AR-13324) 2HCl Netarsudil (AR-13324) is a ROCK inhibitor with Ki value of 0.2-10.3 nM. It is currently in clinical trials for the treatment of glaucoma and ocular hypertension.

Related Targets

ROCK