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Clin Infect Dis. 2000 Oct;31(4):927-35. Epub 2000 Oct 10.

Resistant herpes simplex virus type 1 infection: an emerging concern after allogeneic stem cell transplantation.

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1
Service d'Hématologie-Greffe de Moelle, Hôpital Saint-Louis, Paris, France.

Abstract

Fourteen cases of severe acyclovir-resistant herpes simplex virus type 1 (HSV-1) infection, 7 of which showed resistance to foscarnet, were diagnosed among 196 allogeneic stem cell transplant recipients within a 29-month period. Recipients of unrelated stem cell transplants were at higher risk. All patients received foscarnet; 8 subsequently received cidofovir. Strains were initially foscarnet-resistant in 3 patients and secondarily so in 4 patients. In vitro resistance to acyclovir or foscarnet was associated with clinical failure of these drugs; however, in vitro susceptibility to foscarnet was associated with complete response in only 5 of 7 patients. No strain from any of the 7 patients was resistant in vitro to cidofovir; however, only 3 of 7 patients achieved complete response. Therefore, acyclovir- and/or foscarnet-resistant HSV-1 infections after allogeneic stem cell transplantation have become a concern; current strategies need to be reassessed and new strategies must be evaluated in this setting.

PMID:
11049772
DOI:
10.1086/314052
[Indexed for MEDLINE]

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