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  • Title: Efficacy of (E)-5-(2-bromovinyl)- and 5-vinyl-1-beta-D-arabinofuranosyluracil against acute herpes simplex virus keratitis and the establishment of latency: comparison with acyclovir and bromovinyldeoxyuridine.
    Author: Rajcáni J, Reefschläger J.
    Journal: Acta Virol; 1987 Aug; 31(4):329-39. PubMed ID: 2892382.
    Abstract:
    Four nucleoside analogues--acyclovir [9-(2-hydroxyethoxymethyl)guanine], bromovinyldeoxyuridine [(E)-5-(2-bromovinyl)-2-deoxyuridine], vinylarauracil 5-vinyl-1-beta-D-arabinofuranosyluracil and bromovinylarauracil [(E)-5-(2-bromovinyl)-1-beta-D-arabinofuranosyluracil]--were compared in the therapy of acute keratitis induced in the rabbit cornea by inoculation of the KUPKA strain of herpes simplex virus type 1 (HSV-1). In comparison to placebo-treated animals, the drugs reduced the mean plaque counts in conjunctival swabs as follows: acyclovir to 0.16-1.73%, bromovinyldeoxyuridine to 0.02-0.25%, vinylarauracil to 0.55-5.96% and bromovinylarauracil to 0.12-3.39% of control values. Latency was established to a most limited extent in 1 or 2 out of 5 rabbits treated with vinylarauracil or bromovinylarauracil, respectively. One or 6 out of 84 or 98 explanted ganglion fragments (1.3 or 6%) were positive for HSV-1 as compared to 72 fragments out of 173 (43%) from placebo-treated rabbits. Acyclovir and bromovinyldeoxyuridine completely prevented latency.
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