The purpose of this Phase II study is to evaluate the feasibility of GSK Biologicals' GSK2197870A vaccine co-administered with Wyeth-Lederle's Prevenar™ when given in healthy infants as a three-dose primary vaccination course at 2, 3 and 4 months of age followed by a booster dose of GSK Biologicals' Menitorix™ at 12 months of age.
This protocol posting has been updated following Protocol amendment 1, 11-February-2010; The Study design section is impacted by this amendment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
284
3 doses given at 2, 3 and 4 months of age
3 co-administered doses, intramuscular into right thigh
1 booster dose at 12 months of age
GSK Investigational Site
Ely, Cambridgeshire, United Kingdom
GSK Investigational Site
Southampton, Hampshire, United Kingdom
GSK Investigational Site
Oxford, Oxfordshire, United Kingdom
GSK Investigational Site
Bristol, United Kingdom
Number of Seroprotected Subjects for Anti-polyribosylribitol Phosphate (Anti-PRP).
A seroprotected subject was defined as a vaccinated subject who had anti-PRP antibody concentrations ≥ 0.15 micrograms per milliliter (µg/mL).
Time frame: At Month 3
Number of Seropositive Subjects Against Neisseria Meningitidis Using Baby Rabbit Complement (rSBA-MenC)
A seropositive subject was defined as a vaccinated subject who had rSBA-MenC ≥ 1:8.
Time frame: At Month 2 and Month 3.
Number of Subjects With Anti-PRP Concentrations Antibody Above the Cut-off.
The reference cut-off was ≥ 1.0 micrograms per milliliter (µg/mL).
Time frame: At Month 3
Number of Subjects With Anti-polysaccharide C (Anti-PSC ) Antibody Concentrations Above the Cut-offs.
The reference cut-offs were ≥ 0.3 µg/mL and ≥ 2 µg/mL.
Time frame: At Month 2 and Month 3.
Number of Seroprotected Subjects for Anti-diphtheria (Anti-D) and Anti-tetanus (Anti-T) Antibodies.
A seroprotected subject was defined as a vaccinated subject who had anti-D and anti-T antibody concentrations ≥ 0.1 international units per milliliter (IU/mL).
Time frame: At Month 3.
Number of Seropositive Subjects Against Anti-pertussis Toxoid (Anti-PT), Anti-filamentous Haemagglutinin (Anti-FHA) and Anti-pertactin (Anti-PRN).
A seropositive subject was defined as a vaccinated subject who had anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 5 enzyme-linked immunosorbent assay (ELISA) units per milliliters (EL.U/mL).
Time frame: At Month 3.
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3 doses given at 2, 3 and 4 months of age
2 doses given at 3 and 4 months of age
GSK Investigational Site
London, United Kingdom
Number of Seroprotected Subjects for Anti-poliovirus (Anti-polio) Types 1, 2 and 3.
A seroprotected subject was defined as a vaccinated subject who had anti-polio 1, 2 and 3 antibody concentrations ≥ 1:8.
Time frame: At Month 3.
Number of Seropositive Subjects for Anti-pneumococcal (Anti-PNE) Serotypes.
A seropositive subject was defined as a vaccinated subject who had anti- pneumococcal antibody concentrations ≥ 0.2 micrograms per milliliter (µg/mL). The anti-PNE serotypes assessed were 4, 6B, 9V, 14, 18C, 19F and 23F.
Time frame: At Month 3
Concentrations for Anti-PRP.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.15 µg/mL.
Time frame: At Month 3.
Titers for rSBA-MenC.
Titers were expressed as geometric mean titers (GMCs). The seropositivity reference cut-off value was ≥ 1:8.
Time frame: At Month 2 and Month 3.
Concentrations for Anti-PSC.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.3 µg/mL.
Time frame: At Month 2 and Month 3.
Concentrations for Anti-T and Anti-D.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.1 IU/mL.
Time frame: At Month 3.
Concentrations for Anti-PT, Anti-FHA and Anti-PRN.
Concentrations were expressed as geometric mean concentrations (GMCs). The seropositivity reference cut-off value was ≥ 5 EL.U/mL.
Time frame: At Month 3.
Titers for Anti-polio 1, 2 and 3.
Titers were expressed as geometric mean titers (GMTs). The seropositivity reference cut-off value was ≥ 1:8.
Time frame: At Month 3.
Concentrations for Anti-PNE Serotypes.
Concentrations were expressed as geometric mean concentreations (GMCs). The seropositivity reference cut-off value was ≥ 0.2 µg/mL.
Time frame: At Month 3.
Number of Seroprotected Subjects for Anti-PRP.
A seroprotected subject was defined as a vaccinated subject who had anti-PRP antibody concentrations ≥ 0.15 micrograms per milliliter (µg/mL).
Time frame: At Month 10 and Month 11.
Number of Seropositive Subjects Against rSBA-MenC.
A seropositive subject was defined as a vaccinated subject who had rSBA-MenC ≥ 1:8.
Time frame: At Month 10 and Month 11.
Number of Subjects With Anti-PSC Antibody Concentrations Above the Cut-offs.
The reference cut-offs were ≥ 0.3 µg/mL and ≥ 2 µg/mL.
Time frame: At Month 10 and Month 11.
Number of Seroprotive Subjects for Anti-D and Anti-T Antibodies.
A seropositive subject was defined as a vaccinated subject who had anti-D (ELISA) and anti-T antibody concentrations ≥ 0.1 IU/mL. Seropositivity for anti-D was also defined with the ≥ 0.016 IU/mL cut-off (Neutralisation assay).
Time frame: At Month 10.
Number of Seropositive Subjects for Anti-PT, Anti-FHA and Anti-PRN.
A seropositive subject was defined as a vaccinated subject who had anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 5 enzyme-linked immunosorbent assay (ELISA) units per milliliters (EL.U/mL).
Time frame: At Month 10.
Number of Seroprotected Subjects for Anti-anti-polio Types 1, 2 and 3.
A seroprotected subject was defined as a vaccinated subject who had anti-polio 1, 2 and 3 antibody concentrations ≥ 1:8.
Time frame: At Month 10.
Concentrations for Anti-PRP.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.15 µg/mL.
Time frame: At Month 10 and Month 11.
Titers for rSBA-MenC.
Titers were expressed as geometric mean titers (GMCs). The seropositivity reference cut-off value was ≥ 1:8.
Time frame: At Month 10 and Month 11.
Concentrations for Anti-PSC.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.3 µg/mL.
Time frame: At Month 10 and Month 11.
Concentrations for Anti-T and Anti-D.
Concentrations were expressed as geometric mean concentrations (GMCs). The seroprotection reference cut-off value was ≥ 0.1 IU/mL. Seropositivity for anti-D was also defined with the ≥ 0.016 IU/mL cut-off (Neutralisation assay).
Time frame: At Month 10.
Concentrations for Anti-PT, Anti-FHA and Anti-PRN.
Concentrations were expressed as geometric mean concentrations (GMCs). The seropositivity reference cut-off value was ≥ 5 EL.U/mL.
Time frame: At Month 10.
Titers for Anti-polio 1, 2 and 3.
Titers were expressed as geometric mean titers (GMTs). The seroprotection reference cut-off value was ≥ 1:8.
Time frame: At Month 10.
Number of Subjects With a Booster Response to rSBA-MenC Antibodies.
Booster response defined as: for initially seronegative subjects, antibody titre ≥ 1:32 at post-booster (Month 11); for initially seropositive subjects, antibody titres at post-booster ≥ 4 fold the pre-booster.
Time frame: At Month 11
Number of Subjects With a Booster Response to Anti-PRP Antibodies.
Booster response defined as: for initially seronegative subjects, antibody concentration ≥ 0.6 µg/mL at post-booster (Month 11); for initially seropositive subjects, antibody concentrations at post-booster ≥ 4 fold the pre-booster.
Time frame: At Month 11
Number of Subjects With a Booster Response to Anti-PSC Antibodies.
Booster response defined as: for initially seronegative subjects, antibody concentration ≥ 1.2 µg/mL at post-booster (Month 11); for initially seropositive subjects, antibody concentrations at post-booster ≥ 4 fold the pre-booster.
Time frame: At Month 11
Number of Subjects Reporting Any Solicited Local Symptoms.
Solicited local symptoms assessed were pain, redness and swelling. Any = occurrence of any local symptom regardless of intensity grade.
Time frame: During the 8-day (Days 0-7)
Number of Subjects Reporting Any Solicited General Symptoms.
Solicited general symptoms assessed were drowsiness, irritability, loss of appetite and fever \[axillary temperature above (≥) 37.5 degrees Celsius (°C)\]. Any = occurrence of any local symptom regardless of intensity grade.
Time frame: During the 8-day (Days 0-7)
Number of Subjects Reporting Any Unsolicited Adverse Events (AEs).
An unsolicited AE is any AE (i.e. any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with use of a medicinal product, whether or not considered related to the medicinal product) reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any = occurrence of an AE regardless of intensity grade or relationship to study vaccination.
Time frame: Within the 31-day (Days 0-30) follow up period after vaccination.
Number of Subjects Reporting Any Serious Adverse Events (SAEs).
SAEs assessed include medical occurrences that results in death, are life threatening, require hospitalization or prolongation of hospitalization or results in disability/incapacity of a study subjects. Any SAE = any SAE regardless of assessment of relationship to study vaccination.
Time frame: During the entire study period (Month 0 to Month 11)