This trial is active not recruiting!
Search for a recruiting clinical trial for your condition
You can access this
clinical trial
if you have
Herpes Zoster or Shingles
and you are
over 50
years old
Phase
-
This is an observational trial.
You are contributing to medical knowledge about your condition.
Show me locations

The purpose

This study will describe the impact of vaccination with ZOSTAVAX™ on the epidemiology of herpes zoster (HZ) in a cohort of vaccinated participants 50 years or age or older, compared to a cohort of unvaccinated participants.

Provided treatments

  • Biological: ZOSTAVAX™
Tris trial is registered with FDA with number: NCT01600079. The sponsor of the trial is Merck Sharp & Dohme Corp. and it is looking for 30000 volunteers for the current phase.
Official trial title:
Post-Licensure Observational Study of the Long-term Effectiveness of ZOSTAVAX™