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Unoprostone is a prostaglandin analogue used to lower intraocular pressure in patients with open-angle glaucoma or ocular hypertension who are clinically unresponsive to other ocular antihypertensive agents.
Unoprostone is a prostaglandin analogue used to lower intraocular pressure in patients with open-angle glaucoma or ocular hypertension who are clinically unresponsive to other ocular antihypertensive agents.
Unoprostone is believed to reduce elevated intraocular pressure (IOP), by increasing the outflow of aqueous humor. The mechanism of action for the IOP-lowering effect of unoprostone is controversial. Early studies showed that unoprostone increases aqueous humor outflow through the uveoscleral pathway similar to the 20-carbon prostaglandin analogs, such as latanoprost.8 More recent evidence, however, shows that it may work, at least in part, through stimulation of Ca2+-activated BK and CIC-2 type channels, leading to increased trabecular meshwork outflow.
For the lowering of intraocular pressure in patients with open-angle glaucoma or ocular hypertension who are intolerant of other intraocular pressure lowering medications or insufficiently responsive (failed to achieve target IOP determined after multiple measurements over time) to another intraocular pressure lowering medication.
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