Abstract
ABSTRACTPurpose: To compare the safety and efficacy of intravitreal anidulafungin injection with voriconazole and amphotericin B (Amp B) in an experimental Candida endophthalmitis (CE) model.Methods: Intravitreal 1 × 105 CFU/0.1 ml Candida albicans was injected into the right eyes of 24 New Zealand rabbits, which were divided into 4 groups. Voriconazole 50 μg/0.1 ml, Amp B 10 μg/0.1 ml, and Anidulafungin 50 μg/0.1 ml were injected by intravitreal injection 72 h after inoculation. The control group was injected with 0.1 ml 0.9% NaCl. Clinical scoring was performed by assessing the cornea, conjunctiva, iris, and vitreous on days 3 and 7 of therapy. At the end of the study, the right eyes of all rabbits were enucleated and histopathological evaluation was performed. Therapy groups were compared according to the clinical, histopathological, and microbiological analysis scores.Results: Total clinical scores were significantly different between treatment groups and the control group (p < 0.05). On day 7 of the therapy, clinical scores of the anidulafungin group were found to be significantly lower when compared with the other therapy groups, while a significant improvement was observed in the eyes of rabbits in the anidulafungin group (p < 0.05). Also, microbiological scores of the anidulafungin group were lower than those of the control group (p < 0.05). Histopathological scores of the anidulafungin treatment group were significantly better than the voriconazole and control groups. Inflammation was evidently suppressed and marked retinal toxicity was not observed with anidulafungin.Conclusions: This is the first study comparing the efficacy of anidulafungin with other antifungal agents. In this CE model, an intravitreal single dose of anidulafungin was shown to be noninferior to voriconazole and Amp B. As an alternative to Amp B or voriconazole, intravitreal anidulafungin is suggested as an effective antifungal agent for the treatment of CE.
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