Bibliographic citations
Orihuela, R., (2024). Formulación de tioconazol ungüento oftálmico y su eficacia preclínica para el tratamiento de la queratitis fúngica [Universidad Peruana Cayetano Heredia]. https://hdl.handle.net/20.500.12866/15978
Orihuela, R., Formulación de tioconazol ungüento oftálmico y su eficacia preclínica para el tratamiento de la queratitis fúngica []. PE: Universidad Peruana Cayetano Heredia; 2024. https://hdl.handle.net/20.500.12866/15978
@mastersthesis{renati/911477,
title = "Formulación de tioconazol ungüento oftálmico y su eficacia preclínica para el tratamiento de la queratitis fúngica",
author = "Orihuela Echavigurin, Roberto Michael",
publisher = "Universidad Peruana Cayetano Heredia",
year = "2024"
}
Pharmaceutical technology allows us, among other things, to formulate medications in different pharmaceutical forms to alleviate or treat a specific disease. There is a disease called fungal keratitis, which is an infection of the cornea that causes pain, decreased vision, sensitivity to light, watering and/or discharge from the eye. It is a consequence of fungal infection from the use of contact lenses, an eye injury or trauma, it usually develops very quickly, and if not treated in time, it could cause irreversible blindness. In the request for national ophthalmology pharmaceutical products of the Ministry of Health of Peru, issued in April 2022, Peru has only one ophthalmic antifungal molecule, which is 5% natamycin, which is high cost, especially for Less well-off patients with limited economic resources are the ones who suffer the most. With the aim of increasing the accessibility of medications and providing new options for the treatment of fungal keratitis, this study was developed to achieve the optimal formulation of tioconazole ophthalmic ointment at different concentrations and evaluate its preclinical efficacy in the treatment of keratitis. fungal disease caused by fungi of the genus Candida albicans. Using pharmaceutical technology that involves the manufacturing process and the respective quality controls, it was possible to develop these ophthalmic ointments. These formulations were subjected to quality tests, stability studies under accelerated conditions, analysis to verify that during the manufacturing process it has not lost its antifungal activity in vitro, its level of permeability in the pig cornea was determined by the method of Franz cells, it was evaluated if it caused ocular irritability and finally its effectiveness in the treatment of fungal keratitis was evaluated in an animal model of rabbits. Said keratitis was induced in the cornea of rabbits, with a standardized inoculum of Candia albicans, twenty-four hours later they were treated with tioconazole ophthalmic ointment of 1%, 3% and 6,5%, four times a day (8:00 am, 12 :00 am, 4:00 pm 8:00 pm) for 7 days in the affected eye in which it was evident that there was an effective recovery compared to the control or placebo. The concentration of 3% and 6,5% do not have statistically significant differences (P>0,05), likewise, it was evident that it does not cause any ocular irritation to the rabbit's eyes. The formulas developed for this new pharmaceutical form of Tioconazole ophthalmic ointment are preclinically effective and safe for the treatment of fungal keratitis caused by Candia albicans, which could continue with clinical studies in humans, providing another alternative for patients who suffer from it.
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