“Zoster Eye Disease Study”
This is a multi-center, randomized, double-masked, placebo-controlled clinical trial of suppressive valacyclovir for one year in immunocompetent study participants with an episode of dendriform epithelial keratitis, stromal keratitis, endothelial keratitis, and/or iritis due to Herpes Zoster Ophthalmicus (HZO) in the year prior to enrollment.
Drug - Masked Placebo
Drug - Masked Oral Valacyclovir
Oral Valacyclovir 1000 mg/day
Long-term Suppressive Valacyclovir Treatment for Herpes Zoster Ophthalmicus