Immune Response & Safety of GSK Biologicals' Mencevax™ ACWY in Subjects Primed in the DTPW-HBV=HIB-MENAC-TT-011 Study
Trial overview
Number of subjects with serum bactericidal activity against Neisseria meningitidis serogroups A, C (rSBA-MenA, C) using rabbit complement antibodies
Timeframe: 1 month after Mencevax ACWY vaccination (at 25 to 31 months of age).
Number of subjects with anti-rSBA-MenA, C antibody titers ≥ pre-defined cut-off values
Timeframe: Prior to (at 24 to 30 months of age) and after (at 25 to 31 months of age) Mencevax ACWY vaccination.
Anti-rSBA-MenA, C antibody titers
Timeframe: 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
Timeframe: 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
Timeframe: 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
Timeframe: Prior to the Mencevax ACWY vaccination at 24-30 Months of age
Anti-HBs concentrations
Timeframe: Prior to the Mencevax ACWY vaccination at 24-30 Months of age
Number of subjects with vaccine response for rSBA-Men A, C
Timeframe: 1 month after Mencevax ACWY vaccination (at 25 to 31 months of age).
Number of subjects with solicited local symptoms
Timeframe: During the 4-day follow-up period after the Mencevax ACWY vaccination, at 24-30 months of age
Number of subjects with solicited general symptoms
Timeframe: 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)
Timeframe: From Day 0 at months 15-24 of age to study end at Months 25-31 of age
Number of subjects with serious adverse events (SAEs)
Timeframe: From 15-24 Months of age up to Months 25-31 of age
- Inclusion criteria:
- Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- Inclusion criteria: -Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- A male or female between, and including, 15 and 24 months of age at the time of vaccination.
- Written informed consent obtained from the parent or guardian of the subject.
- Healthy subjects as established by medical history and clinical examination before entering into the study.
- Having participated in the primary vaccination study DTPW-HBV=HIB-MENAC-TT-011 (eTrack No. 100478) in Center No. 4328 or Center No.4329. Exclusion criteria:
- Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine within 30 days preceding the vaccination, or planned use during the study period.
- Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to vaccination.
- Planned administration/ administration of a vaccine not foreseen by the study protocol within 30 days of vaccination; with the exception of oral poliovirus vaccine (OPV).
- Booster vaccination against diphtheria, tetanus, pertussis, hepatitis B, Haemophilus influenzae type b (Hib) and/or meningococcal serogroups A and/or C disease, after the date of the study conclusion visit of the primary vaccination study DTPW-HBV=HIB-MENAC-TT-011 (eTrack No. 100478).
- History of diphtheria, tetanus, pertussis, hepatitis B, Hib and/or meningococcal serogroup A or C disease.
- Known exposure to diphtheria, tetanus, pertussis, hepatitis B, Hib and/or meningococcal serogroup A or C disease.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
- A family history of congenital or hereditary immunodeficiency.
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
- Major congenital defects or serious chronic illness.
- History of any neurologic disorders or seizures including febrile seizures in infancy.
- Acute disease at the time of enrolment.
- Planned or actual administration of immunoglobulins and/or any blood products within the three months preceding Mencevax™ ACWY vaccination.
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.