154927-31-8

Elevated intraocular pressure (IOP) is an important risk factor in developing glaucoma. Certain prostaglandins (PGs) such as PGF_2α and PGD₂, have been shown to reduce IOP. ZK118182 is a PG analog that has potent DP-agonist activity (EC₅₀ = 16.5 nM) and a high nanomolar affinity for the DP receptor (K_i = 74 nM). ZK118182 isopropyl ester is a prodrug formulation of ZK118182 designed to enhance corneal absorption. At 0.03 μg, ZK118182 isopropyl ester has been shown to lower monkey and rabbit IOP 46% and 20%, respectively, two hours after dosing, demonstrating a much more potent effect compared to the free acid.

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