Ganciclovir is a nucleoside analogue of guanosine, a homologueof acyclovir, and the first antiviral drug to be effective inthe treatment of cytomegalovirus (CMV) disease in humans.1,2,3,4It inhibits not only all the herpesviruses but also the transformationof normal cord-blood lymphocytes by EpsteinBarr virus.5,6,7In this review, I outline ganciclovir's mechanisms of actionand resistance and discuss the clinical effectiveness of intravenousand oral ganciclovir.
Mechanism of Action
The structures of ganciclovir and of its analogue acyclovirare shown in Figure 1. In vivo, ganciclovir is converted toganciclovir triphosphate, which inhibits viral DNA polymerases,including those of herpes simplex . . . [Full Text of this Article]
Intracellular Phosphorylation of Ganciclovir
Cytotoxicity
Mechanisms of Resistance
Clinical Importance of Resistance to Ganciclovir
Antiviral Spectrum
Pharmacokinetics of Intravenous and Oral Ganciclovir
Clinical Uses
Treatment of CMV Infections
CMV Retinitis
Infections of the Gastrointestinal Tract
Pneumonia
Infection of the Nervous System
Prevention of CMV Disease
Toxicity
Alternative Therapies
Conclusions
Source Information
From the Division of Infectious Disease, Beth Israel Hospital, 330 Brookline Ave., Boston, MA 02215, where reprint requests should be addressed to Dr. Crumpacker.
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