TITLE

Acyclovir-Resistant Corneal HSV-1 Isolates from Patients with Herpetic Keratitis

AUTHOR(S)
Duan, Rui; de Vries, Rory D.; Osterhaus, Albert D. M. E.; Remeijer, Lies; Verjans, Georges M. G. M.
PUB. DATE
September 2008
SOURCE
Journal of Infectious Diseases;9/1/2008, Vol. 198 Issue 5, p659
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The prevalence and molecular characteristics of isolates from 173 immunocompetent patients with herpetic keratitis (HK) who were infected with acyclovir (ACV)-resistant(ACVR) corneal herpes simplex virus (HSV)-1 was determined. Isolates from 11 (6.4%) of the patients were ACVR, and 9 of these 11 patients were refractory to therapy with ACV; the ACVR isolates from 5 and 1 of these 9 patients were cross-resistant to gancyclovir and to both gancyclovir and foscarnet, respectively. Of the 11ACVR isolates, 10 had, in the thymidine kinase gene, mutations that presumably conferred the ACVR phenotype. These data demonstrate a relatively high prevalence of corneal HSV-1 ACVR isolates in patients with HK, which emphasizes the need to monitor for ACV susceptibility in patients with HK who are refractory to therapy with ACV.
ACCESSION #
33773104

 

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