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Home / Drugs / Starting with T / Travoprost
 
Travoprost
 

Travoprost ophthalmic solution is a topical medication used for controlling the progression of glaucoma or ocular hypertension, by reducing intraocular pressure. It is a synthetic prostaglandin F2alpha analogue. [Wikipedia]
BrandsTravatan
Travatan Z
CategoriesAntihypertensive Agents
Ophthalmologicals
Antiglaucoma preparations and miotics
Prostaglandin analogues
ManufacturersAlcon inc
PackagersAlcon Laboratories
Liberty Carton Co.
Physicians Total Care Inc.

indication

Ophthalmic solution used for the reduction of elevated 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.

pharmacology

Travoprost, an isopropyl ester prodrug, is a synthetic prostaglandin F2 alpha analogue that is rapidly hydrolyzed by esterases in the cornea to its biologically active free acid. The travoporst free acid is potent and highly selective for the FP prostanoid receptor.

mechanism of action

Travoprost free acid is a selective FP prostanoid receptor agonist and is believed to reduce intraocular pressure by increasing the drainage of aqueous humor, which is done primarily through increased uveoscleral outflow and to a lesser extent, trabecular outflow facility.

toxicity

Symptoms of overexposure include irritation to the skin, eyes, nose, throat, and respiratory tract.

biotransformation

Travoprost, an isopropyl ester prodrug, is hydrolyzed by esterases in the cornea to its biologically active free acid. Systemically, travoprost free acid is metabolized to inactive metabolites via beta-oxidation of the α(carboxylic acid) chain to give the 1,2-dinor and 1,2,3,4-tetranor analogs, via oxidation of the 15-hydroxyl moiety, as well as via reduction of the 13,14 double bond.

absorption

Systemically absorbed when administered to the eye.

half life

Terminal elimination half-life of travoprost free acid is 45 minutes.

route of elimination

Less than 2% of the topical ocular dose of travoprost was excreted in the urine within 4 hours as the travoprost free acid.