Booster Vaccination Study to Assess Immunogenicity & Safety of a Dose of GSK Biologicals' Mencevax™ ACWY & 1/5th of a Dose of Mencevax™ ACWY in Subjects Primed in the DTPW-HBV=HIB-MENAC-TT-011 Study
Overview
- Phase
- Phase 3
- Intervention
- Not specified
- Conditions
- Infections, Meningococcal
- Sponsor
- GlaxoSmithKline
- Enrollment
- 296
- Locations
- 1
- Primary Endpoint
- Number of Subjects With Serum Bactericidal Activity Against Neisseria Meningitidis Serogroups A, C (rSBA-MenA, C) Using Rabbit Complement Antibodies
- Status
- Completed
- Last Updated
- 7 years ago
Overview
Brief Summary
This study will be conducted in three stages. In the DTP booster stage at 15 to 24 months of age, all subjects will receive a booster dose of Tritanrix™-HepB/Hiberix™. In the Mencevax™ ACWY "full dose" stage at 24 to 30 months of age all subjects will receive a dose of Mencevax™ ACWY. In the Mencevax™ ACWY "small dose" stage at 30 to 36 months of age, the first 75 subjects in each of the two centers will be tested for boostability of the MenA and MenC immune response by giving a fifth of a dose of a Mencevax™ ACWY vaccine. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
Detailed Description
Subjects in the group that was previously primed with Tritanrix™-HepB/Hiberix™ will be the control group for the group that was previously primed with Tritanrix™-HepB/Hib-MenAC. Blood samples will be drawn from subjects as follows: * prior to and one month after the full dose of the Mencevax™ ACWY vaccine. * prior to and one month after 1/5th of a dose of Mencevax™ ACWY vaccine (only for the first 75 subjects in each of the two centers).
Investigators
Eligibility Criteria
Inclusion Criteria
- Not provided
Exclusion Criteria
- Not provided
Outcomes
Primary Outcomes
Number of Subjects With Serum Bactericidal Activity Against Neisseria Meningitidis Serogroups A, C (rSBA-MenA, C) Using Rabbit Complement Antibodies
Time Frame: 1 month after Mencevax ACWY vaccination (at 25 to 31 months of age).
Antibody cut-offs were higher than or equal to (≥) 1:128
Secondary Outcomes
- Number of Subjects With Solicited General Symptoms(During the 4-day follow-up period after the Mencevax ACWY vaccination, at 24-30 months of age)
- Number of Subjects With Unsolicited Adverse Events (AEs)(From Day 0 at months 15-24 of age to study end at Months 25-31 of age)
- Number of Subjects With Anti-rSBA-MenA, C Antibody Titers ≥ Pre-defined Cut-off Values(Prior to (at 24 to 30 months of age) and after (at 25 to 31 months of age) Mencevax ACWY vaccination.)
- Number of Subjects With Anti-pilysaccharide A and C (Anti-PSA/PSC) Antibody Concentrations ≥ Predefined Cut-off Values(Prior to (at 24 to 30 months of age) and after (at 25 to 31 months of age) Mencevax ACWY vaccination.)
- Anti-HBs Concentrations(Prior to the Mencevax ACWY vaccination at 24-30 Months of age)
- Anti-rSBA-MenA, C Antibody Titers(Prior to (at 24 to 30 months of age) and after (at 25 to 31 months of age) Mencevax ACWY vaccination.)
- Anti-PSA, Anti-PSC Antibody Concentrations(Prior to (at 24 to 30 months of age) and after (at 25 to 31 months of age) Mencevax ACWY vaccination.)
- Number of Subjects With Anti-hepatitis B Surface (Anti-HBs) Antigen Antibody Concentrations ≥ Cut-offs(Prior to the Mencevax ACWY vaccination at 24-30 Months of age)
- Number of Subjects With Vaccine Response for rSBA-Men A, C(1 month after Mencevax ACWY vaccination (at 25 to 31 months of age).)
- Number of Subjects With Solicited Local Symptoms(During the 4-day follow-up period after the Mencevax ACWY vaccination, at 24-30 months of age)
- Number of Subjects With Serious Adverse Events (SAEs)(From 15-24 Months of age up to Months 25-31 of age)