Journal of Antimicrobial Chemotherapy, Vol 41, 549-556, Copyright © 1998 by The British Society for Antimicrobial Chemotherapy
J Soltz-Szots, S Tyring, PL Andersen, RF Lucht, MW McKendrick, JL Diaz Perez, S Shukla and AP Fiddian
Oral acyclovir has become the standard of care for treatment of acute
herpes zoster. Netivudine is a novel antiviral with greater in-vitro
activity against varicella zoster virus. It was compared with acyclovir in
a randomized, double-blind, controlled trial in immunocompetent adults with
herpes zoster. Patients with rash for less than 72 h were assigned to
receive either acyclovir or netivudine, then assessed regularly for 6
months. No evidence for a dose response with netivudine was found, so
intent-to-treat analyses of all 511 enrolled patients compared acyclovir
with netivudine. The time to complete cessation of pain (P = 0.007) and to
cessation of moderate to excruciating pain (P = 0.005) was accelerated in
acyclovir recipients. Rash outcomes and adverse event profiles were similar
for both treatments. This study has confirmed the efficacy of acyclovir in
decreasing the duration and severity of pain following herpes zoster.
Greater in-vitro activity of newer agents may not necessarily provide
greater benefit in humans.
ORIGINAL ARTICLES
A randomized controlled trial of acyclovir versus netivudine for treatment of herpes zoster. International Zoster Study Group
Department of Dermatology, Hospital Rudolfstiftung and Ludwig Boltzmann Institute of Research on Infectious Dermato- and Venerological Diseases, Vienna, Austria.
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