Case Report: Beyond the Blood-retina Barrier: Intravitreal Caspofungin for Fungal Endophthalmitis.

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Case Report: Beyond the Blood-retina Barrier: Intravitreal Caspofungin for Fungal Endophthalmitis.

Optom Vis Sci. 2020 Jul;97(7):473-476

Authors: von Jagow B, Kurzai O, Kakkassery V

Abstract
SIGNIFICANCE: Two fungal endophthalmitis cases demonstrate safety and efficiency of intravitreal caspofungin as a new therapy option in fungal endophthalmitis.
PURPOSE: The purpose of this study was to evaluate the intravitreal application of caspofungin for the treatment of fungal endophthalmitis because rising resistance to voriconazole and amphotericin B leads to a need for new antifungal therapy options.
CASE REPORT: Initially, both patients with fungal endophthalmitis underwent pars plana vitrectomy. Microbiological analysis revealed Aspergillus terreus and Candida dubliniensis, which both possess atypical resistance patterns. Caspofungin has a low bioavailability in the eye when given systemically. It was injected intravitreally into the eyes affected by fungal endophthalmitis. An injection of 100 μg of caspofungin in a volume 0.1 mL was applied repeatedly. Clinical parameters were recorded. Both eyes were stabilized by the treatment. Finally, the intraocular infections with atypical mycotic agents were eliminated. Visual acuity improved to 0.4 logMAR (20/50 Snellen) in the first case and to 1.0 logMAR (20/200 Snellen) in the second case. During the treatment course, we have not seen any toxic effects or damage of intraocular structures related to the intravitreal administration of caspofungin.
CONCLUSIONS: In summary, intravitreal caspofungin was effective and well tolerated in both cases. Therefore, caspofungin seems to be a safe and effective intravitreal alternative to voriconazole and amphotericin B in fungal endophthalmitis.

PMID: 32697551 [PubMed - in process]