Can a vaccine stop shingles from coming back? new study targets adults 50+

NCT ID NCT04091451

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a two-dose shingles vaccine (HZ/su) in 1,430 adults aged 50 and older who had already experienced shingles. The goal was to see if the vaccine could prevent the virus from coming back and to check its safety and immune response. Participants received either the vaccine or a placebo, and researchers tracked new shingles cases over time.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • GSK Investigational Site

    Barnaul, 656043, Russia

  • GSK Investigational Site

    Gatchina, 188300, Russia

  • GSK Investigational Site

    Moscow, 115478, Russia

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