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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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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GSK Investigational Site
Barnaul, 656043, Russia
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GSK Investigational Site
Gatchina, 188300, Russia
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GSK Investigational Site
Moscow, 115478, Russia