Chemotherapeutic Efficacy of E-5-(2-Bromovinyl)-2'-Deoxyuridine for Orofacial Infection with Herpes Simplex Virus Type 1 in Mice

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Abstract
Systemic or topical treatment with E-5-(2-bromovinyl)-2'-deoxyuridine (BVDU) showed significant efficacy against orofacial infection with herpes simplex virus type 1 (HSV-1) in hairless mice. The chemotherapeutic response to BVDU was dose-dependent and clearly evident even when the treatment was initiated during the clinical manifestation of HSV-1 infection at 72 hr after inoculation. Early initiation of therapy with BVDU at 3 or 24 hr after inoculation significantly prevented the establishment of latent HSV infection in the trigeminal ganglia of mice, but systemic treatment with BVDU did not influence already established latent HSV-1. The chemotherapeutic efficacy of BVDU was comparable to that of acyclovir in the present animal model.