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Research and Clinical Trials

Dr. Zegans continues his research in epidemiology and microbiology and also is active in international eye care through the Dickey Center at Dartmouth, and through his association with the Aravind Eye Hospitals in India.

Clinical trials

Michael E. Zegans, MDA clinical trial is a research study in which people can participate. The purpose of a clinical trial is to study the effectiveness of a treatment, medication, experimental drug, or device.

The following is a list of clinical trials with which the Section of Ophthalmology at Dartmouth-Hitchcock Medical Center is currently involved. Talk to your doctor to find out if a clinical trial is right for you.

Ophthalmology Clinical Trials
Zoster Eye Disease Study: A multi-center, randomized, double-masked, placebo-controlled clinical trial of suppresive 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.
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