Abstract
Purpose
To evaluate the in vitro efficacy of cidofovir, ganciclovir, povidone-iodine, chlorhexidine, and cyclosporine A on adenovirus genotype 8.
Methods
Conjunctival samples were collected from patients with adenoviral conjunctivitis and cultured in A549 cells. Adenovirus diagnosis was confirmed by RT-PCR. For each drug, the 50% cytotoxic concentration (CC 50 ) was determined. Subsequently, the antiviral activity was tested at concentrations below CC 50, and the 50% inhibitor concentration (IC 50 ) of drugs was determined
Results
While the IC 50 of cidofovir against adenovirus genotype 8 was 3.07 ± 0.8 µM, ganciclovir, povidone-iodine, chlorhexidine, and cyclosporine A were not found to be effective against adenovirus genotype 8 at concentrations below the CC 50 value.
Conclusions
Cidofovir was found effective and the IC 50 value was within the ranges in the literature. Ganciclovir and cyclosporine A were found to be ineffective at doses below the cytotoxic dose, povidone-iodine and chlorhexidine was found to be highly cytotoxic.
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Funding
This study was supported by Cukurova University, Scientific Research Projects Unit. Project No: TTU-2019–12009.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Gokhan Ozturk and Fugen Yarkin. The first draft of the manuscript was written by Aynura Sariyeva Aydamirov and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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The study was compliant with the Declaration of Helsinki and additional approval was obtained from the Ethics Committee of Cukurova University, Medical Faculty, Adana, Turkey. (Number of meetings: 87; number of decisions: 9).
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Aydamirov, A.S., Harbiyeli, I.I., Ozturk, G. et al. In Vitro efficacy of cyclosporine a and various antiseptics and antiviral drugs on adenovirus genotype 8, a common cause of epidemic keratoconjunctivitis. Int Ophthalmol 43, 1701–1710 (2023). https://doi.org/10.1007/s10792-022-02567-0
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DOI: https://doi.org/10.1007/s10792-022-02567-0