Jason Bacharach1, Harvey B Dubiner2, Brian Levy3, Casey C Kopczynski3, Gary D Novack4. 1. North Bay Eye Associates, Sonoma County, California. 2. Clayton Eye Center, Morrow, Georgia. 3. Aerie Pharmaceuticals, Inc., Bedminster, New Jersey, and Research Triangle Park, North Carolina. 4. PharmaLogic Development, Inc, San Rafael, California. Electronic address: gary_novack@pharmalogic.com.
Abstract
OBJECTIVE: AR-13324 is a small-molecule inhibitor of Rho kinase and a norepinephrine transporter. The objective of this 28-day study was to evaluate the ocular hypotensive efficacy and safety of AR-13324 ophthalmic solution compared with a positive control, latanoprost ophthalmic solution, in patients with open-angle glaucoma (OAG) or ocular hypertension (OHT). DESIGN: Double-masked, randomized study in 22 private practice ophthalmology clinics. PARTICIPANTS: Participants were required to be adults with a diagnosis of OAG or OHT with unmedicated intraocular pressure (IOP) in the range of 22 to 36 mmHg. METHODS: Patients were randomized to receive AR-13324 ophthalmic solution 0.01%, daily (pm), AR-13324 ophthalmic solution 0.02% daily (pm), or latanoprost 0.005% daily (pm) for 28 days. MAIN OUTCOME MEASURES: The primary efficacy endpoint was the mean diurnal IOP across subjects within the treatment group at day 28. RESULTS: Randomized and treated were 224 patients, 213 (95.1%) of whom completed the study. On day 28, mean diurnal IOP was 20.1, 20.0, and 18.7 mmHg in the AR-13324 0.01%, 0.02%, and latanoprost groups, respectively, representing a decrease from unmedicated baseline of 5.5, 5.7, and 6.8 mmHg (P<0.001). The 5.7-mmHg reduction in IOP by AR-13324 0.02% did not meet the criterion for noninferiority to latanoprost. The most frequently reported adverse event was conjunctival/ocular hyperemia, with a combined incidence of 52%, 57%, and 16%, respectively. On day 28 at 08:00 hours, the incidence of mild to moderate hyperemia by biomicroscopy was 18%, 24%, and 11%, respectively. CONCLUSIONS: AR-13324 0.02% was less effective than latanoprost by approximately 1 mmHg in patients with unmedicated IOPs of 22 to 35 mmHg. The major safety finding was ocular hyperemia, which was more common for both concentrations of AR-13324 than for latanoprost.
RCT Entities:
OBJECTIVE:AR-13324 is a small-molecule inhibitor of Rho kinase and a norepinephrine transporter. The objective of this 28-day study was to evaluate the ocular hypotensive efficacy and safety of AR-13324 ophthalmic solution compared with a positive control, latanoprost ophthalmic solution, in patients with open-angle glaucoma (OAG) or ocular hypertension (OHT). DESIGN: Double-masked, randomized study in 22 private practice ophthalmology clinics. PARTICIPANTS: Participants were required to be adults with a diagnosis of OAG or OHT with unmedicated intraocular pressure (IOP) in the range of 22 to 36 mmHg. METHODS:Patients were randomized to receive AR-13324 ophthalmic solution 0.01%, daily (pm), AR-13324 ophthalmic solution 0.02% daily (pm), or latanoprost 0.005% daily (pm) for 28 days. MAIN OUTCOME MEASURES: The primary efficacy endpoint was the mean diurnal IOP across subjects within the treatment group at day 28. RESULTS: Randomized and treated were 224 patients, 213 (95.1%) of whom completed the study. On day 28, mean diurnal IOP was 20.1, 20.0, and 18.7 mmHg in the AR-13324 0.01%, 0.02%, and latanoprost groups, respectively, representing a decrease from unmedicated baseline of 5.5, 5.7, and 6.8 mmHg (P<0.001). The 5.7-mmHg reduction in IOP by AR-13324 0.02% did not meet the criterion for noninferiority to latanoprost. The most frequently reported adverse event was conjunctival/ocular hyperemia, with a combined incidence of 52%, 57%, and 16%, respectively. On day 28 at 08:00 hours, the incidence of mild to moderate hyperemia by biomicroscopy was 18%, 24%, and 11%, respectively. CONCLUSIONS:AR-13324 0.02% was less effective than latanoprost by approximately 1 mmHg in patients with unmedicated IOPs of 22 to 35 mmHg. The major safety finding was ocular hyperemia, which was more common for both concentrations of AR-13324 than for latanoprost.
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