New 20-Strain pneumonia vaccine tested in chinese seniors
NCT ID NCT07019909
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a new 20-valent pneumococcal vaccine (20vPnC) against an existing 13-valent vaccine in 400 adults aged 50 and older in China who had never received a pneumococcal vaccine. The goal was to check safety and immune response. Results will help decide if the broader-coverage vaccine is safe enough for larger trials.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
20-valent pneumococcal conjugate vaccine (20vPnC) and 13-valent pneumococcal conjugate vaccine (13vPnC)
What this could lead to
If successful, this could lead to a new vaccine that protects against more strains of pneumococcal disease, potentially reducing infections in older adults.
What could go wrong
This is an early Phase 1 trial with only 400 participants, so results may not apply to everyone. The main focus is safety, not yet proof of effectiveness.
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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Kaihua County Center For Disease Prevention and Control
Kaihua, Zhejiang, 324300, China
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Kaihua County Center For Disease Prevention and Control
Quzhou, Zhejiang, 324300, China
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Zhejiang provincial center for disease control and prevention
Hangzhou, Zhejiang, 310051, China