Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
The Vitrasert Implant contains the antiviral drug ganciclovir. Each Vitrasert Implant contains a minimum of 4.5 mg ganciclovir.
Each Vitrasert Implant contains a ganciclovir tablet which contains the inactive ingredient, magnesium stearate (0.25%). Each tablet is coated with polyvinyl alcohol and ethylene vinyl acetate polymers.
The chemical name of ganciclovir is 9-[[2-hydroxy -1- (hydroxymethyl)ethoxy] methyl]guanine, and has the following structure:
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Adapted from the FDA Package Insert.