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Bone Marrow Transplant. 1993 Feb;11(2):177-9.

Successful foscarnet therapy for acyclovir-resistant mucocutaneous infection with herpes simplex virus in a recipient of allogeneic BMT.

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Department of Haematology, University Hospital Utrecht, The Netherlands.


A 41-year-old recipient of matched unrelated BMT acquired a severe mucocutaneous herpes simplex virus (HSV) type I infection during acyclovir prophylaxis. He was subsequently treated with high-dose acyclovir, but the HSV infection continued. In vitro analysis of the HSV isolate, obtained before and after the administration of high-dose acyclovir, demonstrated marked resistance to acyclovir but sensitivity to the antiviral agent foscarnet. The mucocutaneous HSV infection healed completely to a 16 day course of foscarnet. However, relapse of the acyclovir-resistant HSV infection occurred 202 days after the first foscarnet treatment but he responded again to a second foscarnet course. These data indicate that, with the rising frequency of acyclovir-resistant HSV infections observed in immunocompromised hosts, viral isolates should be tested for susceptibility to different antiviral drugs in recipients of BMT with recurrent or persistent HSV infections.

[Indexed for MEDLINE]

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