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PURPOSE: To study and compare the efficacy and safety profile of Rho-kinase inhibitor (netarsudil 0.02%) and prostaglandin analog (bimatoprost 0.01%) both as monotherapy and in combination. DESIGN: Prospective, randomized, monocentric, open-label clinical trial. METHODS: Patients ≥20 years of age with primary open-angle glaucoma or ocular hypertension (IOP >21 mmHg) were recruited and randomized to receive either netarsudil 0.02%, netarsudil 0.02% + bimatoprost 0.01%, or bimatoprost 0.01% once daily for a period of 12 weeks. IOP and side effects were documented at 4, 8, and 12 weeks. RESULTS: The mean treated IOP ranged 17.51-18.57 mmHg for netarsudil, 15.80-16.46 mmHg for bimatoprost, and 14.00-14.87 mmHg for the combination therapy group. The mean IOP reduction from baseline at 4, 8, and 12 weeks was found to be statistically significant ( P < 0.001) in all three groups. The safety profile of netarsudil/bimatoprost combination was consistent with each constituent individually. The only frequently observed ocular adverse event was conjunctival hyperemia, which was seen mostly in netarsudil and netarsudil + bimatoprost groups ( P < 0.001). CONCLUSION: The IOP-lowering effect of netarsudil 0.02% once daily is non-inferior to bimatoprost 0.01% in patients with POAG and ocular hypertension with acceptable ocular safety, and the combination therapy achieved a higher IOP-lowering effect. This group of medications can be a useful adjunct in patients on maximal therapy.
Department of Ophthalmology, Institute of Ophthalmology, Jawaharlal Nehru Medical College, AMU, Aligarh, Uttar Pradesh, India.
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