Nanoemulsion as a feasible and biocompatible carrier for ocular delivery of travoprost: Improved pharmacokinetic/pharmacodynamic properties
Ismail, Ayman; Nasr, Maha; Sammour, Omaima;
Abstract
Travoprost is a synthetic prostaglandin F2α analogue used in treatment of glaucoma. Due to its water insolubility and oily nature, novel delivery systems need to be developed to enhance its bioavailability, and sustain its release. In the current work, travoprost nanoemulsion was explored as a novel carrier prepared using low energy technique. Results showed that travoprost nanoemulsions exhibited suitable nanodroplet size, zeta potential, pH, refractive index, controlled release, as well as sufficient stability under accelerated conditions. In vivo studies delineated the enhanced absorption of travoprost nanoemulsion compared to the marketed eye drops Travatan®, as proven by the higher Cmax and AUC of the former, and its prolonged intraocular pressure reduction time. Moreover, the nanoemulsion formulation was proven safe and non-irritant to ocular surfaces. Therefore, it can be suggested that travoprost nanoemulsion is a promising ocular delivery system for glaucoma treatment.
Other data
Title | Nanoemulsion as a feasible and biocompatible carrier for ocular delivery of travoprost: Improved pharmacokinetic/pharmacodynamic properties | Authors | Ismail, Ayman; Nasr, Maha ; Sammour, Omaima | Keywords | Glaucoma;Nanoemulsion;Pharmacokinetics;Stability;Travoprost | Issue Date | 15-Jun-2020 | Journal | International Journal of Pharmaceutics | Volume | 583 | ISSN | 03785173 | DOI | 10.1016/j.ijpharm.2020.119402 | PubMed ID | 32387308 |
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