Omaciclovir (H2G) is a potent and selective inhibitor of herpesvirus replication. Omaciclovir is a nucleoside analog with antiviral activity[1].
Omaciclovir is a nucleoside analog with in vitro inhibitory activity against varicella-zoster virus (VZV), herpes simplex virus types 1 and 2 (HSV-1 and -2), Epstein-Barr virus, and human herpesvirus 6. Omaciclovir is also efficacious in simian varicella virus-infected monkeys[1].Omaciclovir shows antiviral activities against different human herpesviruses with EC50s of 0.72 ± 0.1, 0.62 ± 0.2, 0.015 ± 0.004, 0.048 ± 0.023, 0.047 ± 0.004, 0.035 ± 0.022, and 0.016 ± 0.003 μM for MRC-5 VZV-32, MRC-5 Molly, MeWo VZV-32, MeWo Molly, MeWo Emily, MeWo VZ11, and MeWo VZ30, respectively[1].
[1]. T I Ng , et al. Selection and Characterization of Varicella-Zoster Virus Variants Resistant to (R)-9-[4-hydroxy-2-(hydroxymethy)butyl]guanine. Antimicrob Agents Chemother. 2001 Jun;45(6):1629-36.