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M94B0814.TXT
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1994-11-11
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Document 0814
DOCN M94B0814
TI Correlation between response to acyclovir and foscarnet therapy and in
vitro susceptibility result for isolates of herpes simplex virus from
human immunodeficiency virus-infected patients.
DT 9412
AU Safrin S; Elbeik T; Phan L; Robinson D; Rush J; Elbaggari A; Mills J;
Department of Medicine, University of California, San Francisco; 94143.
SO Antimicrob Agents Chemother. 1994 Jun;38(6):1246-50. Unique Identifier :
AIDSLINE MED/94379774
AB In vitro susceptibility testing of herpes simplex virus (HSV) isolates
will play an increasingly important role in guiding the clinical
management of immunocompromised hosts who have lesions that are poorly
responsive to therapy with standard antiviral agents. We assessed the
correlation between the in vitro susceptibility result using a plaque
reduction assay in Vero cells and the response to antiviral therapy with
acyclovir or foscarnet for 243 clinical isolates of HSV collected from
115 human immunodeficiency virus-infected patients. The in vitro results
and clinical responses were highly associated for both acyclovir and
foscarnet (P < 0.001 and P < 0.001, respectively). The predictive values
of a susceptible result (50% effective concentrations, < 2 micrograms/ml
for acyclovir and < 100 micrograms/ml for foscarnet) for complete
healing of lesions were 62% for acyclovir and 82% for foscarnet; the
predictive values of a resistant result for failure to heal were 95% for
acyclovir and 88% for foscarnet. Thus, in vitro testing has clinical
utility in guiding therapy, although the 1 to 2 weeks required to derive
a definitive result by the plaque reduction assay is a major limitation.
DE Acyclovir/*PHARMACOLOGY/THERAPEUTIC USE Female
Foscarnet/*PHARMACOLOGY/THERAPEUTIC USE Herpes Simplex/*DRUG THERAPY
Human HIV Infections/*MICROBIOLOGY Male Microbial Sensitivity Tests
Simplexvirus/*DRUG EFFECTS Support, Non-U.S. Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).