The purpose of this study is to assess the efficacy in young children in preventing acute otitis media due to vaccine serotype pneumococcal or non typable Hemophilus influenza, following immunization with an 11-valent pneumococcal vaccine according to a 3 dose primary vaccination in the first year of life, with booster dose in the second year of life. Prophylactic immunization with pneumococcal conjugate vaccine is compared to placebo (hepatitis A vaccine).
Age range
6 Weeks – 27 Months
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
To demonstrate the efficacy of the 11 Pn-PD vaccine in preventing AOM caused by vaccine-type pneumococcus in fully vaccinated children less than 2 years of age.