| Summary: | Luciano Quaranta,1,* Ivano Riva,1,* Andreas Katsanos,2 Irene Floriani,3 Marco Centofanti,4,† Anastasios G P Konstas51Centre for the Study of Glaucoma, University of Brescia, Brescia, Italy; 2Ophthalmology Department, University of Ioannina, Ioannina, Greece; 3Laboratory of Clinical Research, IRCCS, Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy; 4DSCMT, University of Tor Vergata, Rome, Italy; 5Glaucoma Unit, 1st University Department of Ophthalmology, AHEPA Hospital, Thessaloniki, Greece*These authors contributed equally to this work; †Dr Centofanti passed away on 1 March 2015Abstract: Travoprost is a prostaglandin analogue widely used for reducing intraocular pressure (IOP) in patients affected with glaucoma and ocular hypertension. It exerts its ocular hypotensive effect through the prostaglandin FP receptors, located in the ciliary muscle and the trabecular meshwork. Several studies have shown that topical administration of travoprost induces a mean IOP reduction ranging from 25% to 32%, and sustained throughout the 24-hour cycle. When compared with timolol, travoprost is more effective at reducing IOP, while generally no difference has been found in the head-to-head comparison with other prostaglandin analogues. The fixed combination of travoprost and timolol has demonstrated a hypotensive efficacy comparable to the concomitant administration of the two drugs. Recently, a new preservative-free formulation of travoprost 0.004% has been marketed for reducing tolerability-related problems in subjects affected with ocular surface disease. Low rates of topical and systemic adverse reactions, strong ocular hypotensive efficacy, and once-a-day dosing make travoprost a first-line treatment for patients affected with elevated IOP.Keywords: prostaglandin analogue, glaucoma, ocular hypertension
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