Meningococcal infection

This trial tests whether booster doses of the MenACYW vaccine, given years after the first shot, keep children and teens protected against meningococcal disease. Researchers will measure antibody levels in the blood before and after the booster to see if the immune system respond…

This Phase 3 trial tests a new meningococcal conjugate vaccine in 660 healthy children aged 2-6 years. The vaccine targets four strains (A, C, Y, W135) that cause meningitis. Participants receive one shot and provide blood samples to compare immune response with a licensed vaccin…

This Phase 3 study is testing an investigational meningococcal conjugate vaccine (MenACYW) in over 1,600 healthy children and adolescents aged 2 to 17 in China. The vaccine aims to protect against four types of meningococcal bacteria that can cause serious infections like meningi…

This study is testing a new vaccine called MenABCWY that aims to protect against five types of meningococcal bacteria, which can cause serious infections like meningitis. Around 312 healthy teenagers will receive two doses of the vaccine on different schedules to see how safe it …

This study tests the MenB+OMV NZ vaccine in 50 healthy infants starting at 2 months old in South Korea. The vaccine is given as three shots over about a year to see if it triggers a strong immune response against meningococcal group B bacteria, which can cause meningitis. Researc…

This study tests a vaccine designed to protect young children from four types of meningitis bacteria. Researchers gave the vaccine to 660 toddlers aged 6 to 23 months and will check their immune response over time. Some children will also receive a booster shot at age 3 to see if…

This study tests a new pentavalent meningococcal vaccine (MenPenta) that aims to protect against five types of meningococcal bacteria (A, B, C, W, Y) in healthy children, toddlers, and infants. Researchers will compare it to existing licensed vaccines and check how well it works …