New quadrivalent meningitis vaccine aims to shield China's youngest from deadly infection
NCT ID NCT07710872
First seen Jul 17, 2026 · Last updated Jul 17, 2026
Summary
This phase 3 study tests an investigational meningococcal conjugate vaccine in healthy infants and toddlers aged 2 to 23 months in China. The vaccine targets four serogroups of meningococcal bacteria (A, C, W, Y) that can cause meningitis and bloodstream infections. Researchers compare the new vaccine's safety and immune response to locally licensed vaccines, with participants receiving multiple doses and follow-up over several months.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- an investigational quadrivalent meningococcal conjugate vaccine (MenACYW conjugate vaccine)
- What this could lead to
- If successful, this vaccine could help protect infants and toddlers in China against four common types of meningococcal bacteria that cause serious infections like meningitis.
- What could go wrong
- This is a phase 3 trial, but results may differ in real-world use. The vaccine's effectiveness and safety are still being confirmed, and side effects like injection site reactions or fever are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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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Study contacts
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Contact
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