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  • Title: Tafluprost: the first preservative-free prostaglandin to treat open-angle glaucoma and ocular hypertension.
    Author: Swymer C, Neville MW.
    Journal: Ann Pharmacother; 2012 Nov; 46(11):1506-10. PubMed ID: 23092867.
    Abstract:
    OBJECTIVE: To review the pharmacology, pharmacokinetics, clinical trial data, efficacy data, and adverse effect incidence of tafluprost. DATA SOURCES: A literature search was completed using PubMed, Web of Science, and Google Scholar. Tafluprost was the primary search term. Articles published between January 2008 and April 2012 were included in this review. Additional limits placed on the searches were "human" and "English." Citations in which tafluprost appeared in the title were 36, 29, and more than 300 in PubMed, Web of Science, and Google Scholar, respectively. STUDY SELECTION AND DATA EXTRACTION: Three clinical trials were included in this review. One trial enrolled more than 500 subjects in a randomized fashion. Another also enrolled more than 500 subjects, although the study design was not randomized. The third trial evaluated the effects of tafluprost on subjects who had recently discontinued use of latanoprost, another prostaglandin that is approved to treat glaucoma and ocular hypertension. The duration of all 3 trials was 12 weeks. DATA SYNTHESIS: Tafluprost 0.0015% is the first topical prostaglandin approved by the Food and Drug Administration for treatment of open-angle glaucoma and ocular hypertension that does not contain the widely used preservative, benzalkonium chloride (BAK). Although some controversy surrounds the long-term safety of exposure to BAK, clinical trial data are inconclusive. Tafluprost, like other prostaglandin analogues, exerts its effects on prostaglandin F receptors to reduce intraocular pressure (IOP). Results from 1 trial demonstrated significant reductions in IOP when monotherapy was switched to tafluprost monotherapy. Reductions in IOP with tafluprost use were compared with those seen with use of timolol and latanoprost in 2 trials, and noninferiority was observed. Significant reductions in tear osmolarity were noted in subjects who changed from latanoprost, another prostaglandin analogue, to tafluprost therapy. Conjunctival hyperemia is the most common adverse effect seen in patients receiving drugs from this class. Many have also reported stinging, ocular pruritus, increased darkening or growth of eyelashes, and darkening of eyelids, as well as irreversible brown pigmentation of the iris. CONCLUSIONS: Clinical trial data suggest that tafluprost is as efficacious as other agents used in the management of ocular hypertension and glaucoma. Its use may be especially advantageous in people with allergies, sensitivities to preservatives, or dry or sensitive eyes.
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