Multicentre Booster & Immune Memory Study of a Booster Dose of GSK Biologicals' 10-valent Pneumococcal Conjugate Vaccine or a Single Dose of 23-valent Plain Polysaccharide Vaccine in Healthy Children Aged 11-18 Mths, Previously Vaccinated in Study 103488
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A Phase II, Multicentre Booster Study to Evaluate Booster Vaccination With GSK Biologicals' 10-valent Pneumococcal Conjugate Vaccine or to Evaluate the Immune Memory Following the Administration of a Single Dose of 23-valent Plain Polysaccharide Vaccine in Healthy Children, Previously Vaccinated in Infancy in the Primary Study 11PN-PD-DIT-002 (103488)
Study Start Date :
Actual Study Completion Date :
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1 mth after admin. of booster dose with either GSK Biologicals' 10Pn-PD-DiT vaccine or 1 mth after admin. of single dose of unconjugated 23- valent pneumococcal polysaccharide vaccine (Pneumovax™ 23), anti-pneumococcal serotypes 1,4,5,6B,7F,9V,14,18C,
Secondary Outcome Measures :
Pre&post booster: All vaccine pneumococcal serotypes: Opsono titres*
Antibody (Ab) concentrations >= 0.05, 0.20 µg/mL
Ab concentrations to protein D & seropositivity (S+) status
S+/seroprotection status to antigens in DTPa-HBV-IPV/Hib vaccine
Occurrence of: solicited local*,general *symptoms within 4 d
Unsolicited adverse events* within 31 d, SAEs (whole study period) *only post booster
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Ages Eligible for Study:
11 Months to 18 Months (Child)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Inclusion criteria: Male or female between, and including, 11-18 months of age at the time of vaccination and who previously participated in the study 11PN-PD-DIT-002 and received at least one dose of pneumococcal conjugate vaccine during the primary study, free of obvious health problems and with written informed consent obtained from the parent/guardian of the subject. Exclusion criteria: Use of any investigational or non-registered drug or vaccine other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the study period. Planned administration/ administration of a vaccine not foreseen by the study protocol during the period starting one month before the first dose of vaccine(s) and during the entire study period. Administration of any additional pneumococcal vaccine or DTPa combined vaccine since study end of 11PN-PD-DIT-002 study