Synthetic nucleoside , valine ester of aciclovir (NP). Two references consider it safe.

(To be edited, initial data ST OCT 04) Antiviral (herpes, CMV) nucleoside (valine ester of aciclovir). Eliminated in urine as aciclovir and the metabolite carboxymethoxy guanine. South African list: use. French list: use.

Uneventful use reported in 2 patients with acute porphyria.