At a glance
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Long-term Study of Immune Response Persistence of GSK Biologicals' 2-dose Thiomersal-free Engerix™-B and 3-dose Preservative-free Engerix™-B Vaccines in Subjects Aged 11-15 Yrs
In Brief
A Phase 3 clinical trial evaluating Engerix™-B (thiomersal-free) 20µg, 10 μg Engerix™-B (preservative-free), and 1 other intervention for Hepatitis B. Completed, enrolled 267 participants across 4 sites in 3 countries.
Detailed Summary
To evaluate the persistence of antibodies against hepatitis B at 30, 42, 54 and 66 months after the first dose of the hepatitis B primary vaccination course. Subjects were aged 11 to 15 years at the time of the primary vaccination course. At the time of enrollment in the present long-term follow-up study subjects were aged 13 to 18 years. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
Study Details
Timeline
Interventions
In the primary study: 2 deep intramuscular injections (Months 0, \& 6)
In the primary study: 3 deep intramuscular injections (months 0, 1 \& 6)
In the primary study: 1 deep intramuscular injection (month 1)