New COVID-19 vaccine shows promise in large trial
NCT ID NCT05212948
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This phase 3 trial tested a new COVID-19 vaccine called S-268019-b in nearly 10,000 adults. Participants received either the vaccine or a placebo to see if it could prevent COVID-19. The study looked at how many people got sick after vaccination and checked for safety and immune response.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
S-268019-b vaccine
What this could lead to
If successful, this vaccine could help prevent COVID-19, reducing infections and severe illness.
What could go wrong
This trial is completed, but results may not apply to new variants. As with any vaccine, there is a small risk of side effects.
Disclaimer
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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.
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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Buon Ma Thuot City Medical Center
Buon Ma Thuot, Dak Lak, Vietnam