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- Title
Ganciclovir Susceptibilities and Analysis of UL97 Region in Cytomegalovirus (CMV) Isolates from Bone Marrow Recipients with CMV Disease after Antiviral Prophylaxis.
- Authors
Erice, Alejo; Borrell, Nuria; Li, Wuyi; Miller, Wesley J.; Balfour, Henry H.
- Abstract
Ganciclovir susceptibilities and UL97 sequences were analyzed in 20 cytomegalovirus (CMV) isolates recovered from 15 bone marrow transplant recipients with active CMV infection after prophylaxis with acyclovir (group I; 12 isolates) or after acyclovir prophylaxis followed by ganciclovir therapy (group II; 8 isolates). All group I isolates were susceptible to ganciclovir. Five group II isolates were susceptible to ganciclovir, and 3 isolates (all from the same person) were resistant to ganciclovir (IC50 >12 μM). Ganciclovir resistance UL97 mutations were found in 4 group II isolates, including a ganciclovir-susceptible isolate obtained from 1 patient after 41 days of therapy with ganciclovir and 3 ganciclovir-resistant isolates obtained from another patient after 73, 116, and 132 days of treatment with ganciclovir. Ganciclovir-resistant CMV isolates may emerge rapidly in bone marrow transplant recipients who are treated with ganciclovir after receiving prophylaxis with acyclovir.
- Publication
Journal of Infectious Diseases, 1998, Vol 178, Issue 2, p531
- ISSN
0022-1899
- Publication type
Article
- DOI
10.1086/517467