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Fixed-Dose Combination of Netarsudil and Latanoprost in Ocular Hypertension and Open-Angle Glaucoma: Pooled Efficacy/Safety Analysis of Phase 3 MERCURY-1 and -2.

ABSTRACT: INTRODUCTION:New open-angle glaucoma (OAG) and ocular hypertension (OHT) therapies that reduce treatment burden and improve outcomes relative to currently available agents are needed. Netarsudil, a novel Rho kinase inhibitor approved by the US Food and Drug Administration, reduces intraocular pressure (IOP) by increasing trabecular outflow. Two phase 3 superiority studies compared a fixed-dose combination (FDC) of netarsudil and the prostaglandin latanoprost with each active component for IOP-lowering efficacy. METHODS:Pooled efficacy and safety data were analyzed from MERCURY-1 and -2 studies in patients with OAG or OHT. Patients instilled one drop of netarsudil (0.02%)/latanoprost (0.005%) FDC (n?=?483), netarsudil (0.02%, n?=?499), or latanoprost (0.005%, n?=?486) into each eye once-daily between 20:00 and 22:00. IOP was measured at 08:00, 10:00, and 16:00 at weeks 2, 6, and the primary endpoint at month 3. RESULTS:Baseline mean diurnal IOP was 23.6, 23.6, and 23.5 mmHg in netarsudil/latanoprost FDC, netarsudil, and latanoprost groups, respectively. Mean diurnal IOP in each group was 15.3, 18.1, and 17.5 mmHg at week 2, 15.7, 18.4, and 17.4 mmHg at week 6, and 15.8, 18.4, and 17.3 mmHg at week 12. The netarsudil/latanoprost FDC met criteria for superiority compared with each active component (p?

SUBMITTER: Asrani S

PROVIDER: S-EPMC7140751 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Fixed-Dose Combination of Netarsudil and Latanoprost in Ocular Hypertension and Open-Angle Glaucoma: Pooled Efficacy/Safety Analysis of Phase 3 MERCURY-1 and -2.

Asrani Sanjay S Bacharach Jason J Holland Edward E McKee Hayley H Sheng Huan H Lewis Richard A RA Kopczynski Casey C CC Heah Theresa T

Advances in therapy 20200312 4

<h4>Introduction</h4>New open-angle glaucoma (OAG) and ocular hypertension (OHT) therapies that reduce treatment burden and improve outcomes relative to currently available agents are needed. Netarsudil, a novel Rho kinase inhibitor approved by the US Food and Drug Administration, reduces intraocular pressure (IOP) by increasing trabecular outflow. Two phase 3 superiority studies compared a fixed-dose combination (FDC) of netarsudil and the prostaglandin latanoprost with each active component fo ...[more]

PMID: 32166538

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Project description:Purpose To evaluate the long-term safety of latanoprost benzalkonium chloride (BAK)-free vs currently marketed latanoprost 0.005% ophthalmic solution containing BAK (referred to as reference), to treat open-angle glaucoma (OAG) or ocular hypertension (OHT). Patients and Methods This phase 3, multicenter, open-label, nonrandomized, single group assignment, safety study included patients who previously completed a phase 3 noninferiority study. Patients self-administered 1 drop of latanoprost BAK-free nightly for 36 weeks in the affected eye(s). Intraocular pressure (IOP), visual acuity (VA), and slit lamp biomicroscopy were assessed predose at baseline and Days 28, 56, 84, 112, 140, and 168; dilated ophthalmoscopy and visual field (VF) at baseline and Day 168. Adverse events (AEs) were recorded throughout the study. Results A total of 161 patients who previously received latanoprost BAK-free (n = 80) or reference (n = 81) were enrolled. Latanoprost BAK-free maintained lowered IOP for both the study and nonstudy eye in all patients relative to baseline throughout the study. Clinically significant retinal or optic nerve changes were identified in 5 patients (1 mild-to-moderate change, prior latanoprost BAK-free; 4 mild changes, prior reference). No clinically important changes were identified for VA, slit lamp biomicroscopy, and VF measurements. Ocular AEs occurred in 66 (82.5%) vs 74 (91.4%) patients on prior latanoprost BAK-free and reference, respectively; the most frequent being eye pain (50.0% vs 64.2%) and ocular hyperemia (47.5% vs 54.3%). Most AEs were mild. There were 5 serious systemic AEs in 5 patients (n = 3, prior latanoprost BAK-free; n = 2, prior reference); all were considered unrelated or not likely related to treatment. One patient (prior reference) discontinued due to follicular conjunctivitis. There were no deaths or serious ocular AEs. Conclusion Latanoprost BAK-free was well tolerated. These findings support the chronic use of latanoprost BAK-free to treat OAG or OHT. Clinical Trial Registration Number NCT00945958.

Project description:IntroductionNetarsudil reduces intraocular pressure (IOP) by increasing aqueous outflow through the trabecular meshwork (TM) pathway and decreasing episcleral venous pressure. The primary objective of this phase 2 study was to evaluate ocular hypotensive efficacy and safety of three netarsudil concentrations (0.01%, 0.02%, and 0.04%) relative to its placebo over 4 weeks in Japanese patients with primary open-angle glaucoma (POAG) or ocular hypertension (OHT).MethodsPatients were randomized to one of four treatment arms, netarsudil ophthalmic solution 0.01%, 0.02%, 0.04%, or placebo, and treated once-daily (QD) in the evening (P.M.) for 4 weeks. The primary efficacy variable was mean diurnal IOP (average of diurnal time points at 9 A.M., 11 A.M., and 4 P.M.) at week 4.ResultsA total of 215 patients were randomized and 207 (96.3%) completed the study. The mean of mean diurnal IOP at baseline ranged from 20.28 to 21.14 mmHg across groups. At week 4, least squares (LS) mean of mean diurnal IOP adjusted for baseline was 16.53, 15.82, 16.06, and 18.94 mmHg in the netarsudil 0.01%, 0.02%, 0.04%, and placebo groups, respectively, demonstrating the superiority of netarsudil (all concentrations) over placebo. At week 4, mean reduction (mean percentage reduction) from baseline in mean diurnal IOP was 4.10 (19.8%), 4.80 (23.5%), 4.81 (23.8%), and 1.73 mmHg (8.2%), respectively, demonstrating statistically significant reductions (p < 0.0001) in all netarsudil concentrations over placebo. Adverse events (AEs) occurred in a concentration-dependent manner, and the incidence of ocular AEs was 34.5%, 42.6%, 68.6%, and 9.1% in the netarsudil 0.01%, 0.02%, 0.04%, and placebo groups, respectively. The most frequently reported AE was conjunctival hyperemia, with an incidence of 23.6%, 37.0%, 56.9%, and 1.8%, respectively. No serious AEs were reported.ConclusionNetarsudil ophthalmic solutions 0.01%, 0.02%, and 0.04% dosed QD (P.M.) demonstrated superiority to placebo in terms of hypotensive effectiveness at week 4 and were found to be safe and generally well tolerated. Netarsudil 0.02% QD provided an optimal efficacy and safety profile for the treatment of Japanese patients with POAG or OHT.Trial registrationNCT03844945.

Project description:IntroductionPharmacotherapy to lower intraocular pressure (IOP) is a mainstay of treatment aimed at delaying progression of visual field loss in ocular hypertension (OHT) and open-angle glaucoma (OAG), but some topical treatments are less effective in controlling IOP at night. Peak IOP may be related to glaucoma progression and can occur outside office hours. A phase 2 study was conducted to evaluate the IOP-lowering efficacy of netarsudil across the diurnal and nocturnal periods.MethodsThis was a randomized, double-masked, single-center, vehicle-controlled, 9-day study. After washout of any prior ocular hypotensive agents, 12 patients with OHT or OAG underwent baseline IOP assessment at 15:00, 18:00, 21:00, 00:00, 03:00, 06:00, 09:00, and 12:00 h on day 1/day 2. Participants were then randomized in a 2:1 ratio to netarsudil ophthalmic solution 0.02% (n = 8) or vehicle (n = 4) for 7 days of self-administered dosing each evening. IOP was assessed at the same time points on day 8/day 9. All measurements were conducted with a Perkins tonometer in habitual positions by day (seated) and at night (supine).ResultsBaseline mean 24-h IOP was 22.4 mmHg in the netarsudil group and 22.9 mmHg in the vehicle group. Netarsudil was associated with a reduction in mean nocturnal IOP (measurements at 21:00, 00:00, 03:00, 06:00 h) of 3.5 mmHg, which was significant relative to baseline nocturnal IOP (P < 0.001) and the reduction in the vehicle group (0.4 mmHg; P < 0.001 vs. netarsudil). Reduction in mean diurnal IOP with netarsudil (3.5 mmHg) was the same as the nocturnal reduction and statistically significant versus baseline (P < 0.001) and the vehicle group (0.9 mmHg; P < 0.01). The magnitude of IOP reductions with netarsudil was consistent at each time point assessed over the 24-h period. No adverse events were reported.ConclusionNetarsudil exhibited consistent IOP-lowering efficacy over a 24-h period in this short-term study.Trial registrationClinicaltrials.gov identifier: NCT02874846.

Dataset Information

Fixed-Dose Combination of Netarsudil and Latanoprost in Ocular Hypertension and Open-Angle Glaucoma: Pooled Efficacy/Safety Analysis of Phase 3 MERCURY-1 and -2.

Publications

Fixed-Dose Combination of Netarsudil and Latanoprost in Ocular Hypertension and Open-Angle Glaucoma: Pooled Efficacy/Safety Analysis of Phase 3 MERCURY-1 and -2.

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