NCIt definition : A synthetic prodrug of ganciclovir, a nucleoside analogue of 2'-deoxyguanosine, with
antiviral activity. After phosphorylation, valganciclovir is incorporated into DNA,
resulting in inhibition of viral DNA polymerase, viral DNA synthesis, and viral replication.
(NCI04);
Alternative definition : NCI-GLOSS: An antiviral agent that is being studied as a treatment for AIDS-related
cytomegalovirus. It is changed in the body to ganciclovir.;