HCMV I’m a little out of date with my cytomegalovirus (CMV) knowledge. As I currently have a student working on a project on virus infections in pregnancy, this short review – focussing on new treatment options for cytomegalovirus infection, recent clinical trials and bone marrow transplantation, congenital infections and interventions during pregnancy – is most welcome.

Cytomegalovirus. Curr Opin Infect Dis. 08 Oct 2014. doi: 10.1097/QCO.0000000000000107
Three double-blind randomized placebo-controlled phase 2 proof-of-concept studies have each identified a novel antiviral drug with activity against CMV infection in bone marrow transplant patients. One of these (brincidofovir) inhibits the DNA polymerase that is the target of the currently licensed drug ganciclovir. Another new drug (maribavir) inhibits a protein kinase which, coincidentally, is the enzyme responsible for activating ganciclovir through phosphorylation. The third drug (letermovir) inhibits the terminase enzyme complex responsible for packaging unit length DNA into assembling virions.In addition, in a double-blind randomized placebo-controlled trial in neonates with symptomatic congenital CMV infection, a 6-month course of valganciclovir was superior to the standard 6-week course of the same drug. In pregnant women with primary CMV infection, administration of hyperimmune immunoglobulin did not significantly reduce transmission of CMV across the placenta. The ability to diagnose CMV infections reliably in different clinical settings through application of molecular laboratory methods has ushered in new ways of evaluating potential new treatments for CMV. Several of these may help control the diseases caused by this important human pathogen.

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