Study in toddlers to demonstrate non-inferiority of GSK Biologicals’ Hib-MenC & to evaluate persistence up to 5 years.
Trial overview
Number of subjects with anti-polyribosylribitol phosphate (anti-PRP) antibody concentration greater than or equal to 0.15 micrograms per milliliter (µg/mL)
Timeframe: 1 month after vaccination
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titers greater than or equal to 1:8 titer
Timeframe: 1 month after vaccination
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titers above the cut-off values
Timeframe: Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titers above the cut-off values
Timeframe: 5 years after vaccination
Meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titers
Timeframe: Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination.
Meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titers
Timeframe: 5 years after vaccination
Number of subjects with anti-polyribosylribitol phosphate (anti-PRP) antibody concentration above cut-off values
Timeframe: Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination
Number of subjects with anti-polyribosylribitol phosphate (anti-PRP) antibody concentration above cut-off values
Timeframe: 5 years after vaccination
Anti-polyribosylribitol phosphate (anti-PRP) antibody concentrations
Timeframe: Prior to, 1 month , 1 year, 2 years, 3 years and 4 years after vaccination
Anti-polyribosylribitol phosphate (anti-PRP) antibody concentrations
Timeframe: 5 years after vaccination
Number of subjects with anti-polysaccharide C (anti-PSC) antibody concentration above the cut-off values
Timeframe: Prior to, 1 month, 1 year, 2 years and 3 years after vaccination
Anti-polysaccharide C (anti-PSC) antibody concentrations
Timeframe: Prior to, 1 month, 1 year, 2 years and 3 years after vaccination
Number of subjects reporting solicited local and general symptoms
Timeframe: Within 4 days (Day 0 -Day 3) after vaccination
Number of subjects reporting unsolicited symptoms
Timeframe: Within 31 days (Day 0 - Day 30) after vaccination
Number of subjects reporting serious adverse events (SAEs)
Timeframe: Throughout the entire study period (up to year 5)
- Primary phase:
- Subjects whom the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- For the primary vaccination phase:
- Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
- Primary phase:
- Subjects whom the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- A male or female between, and including, 12 and 18 months of age at the time of vaccination.
- Written informed consent obtained from the parent or guardian of the subject.
- Free of obvious health problems as established by medical history and clinical examination before entering into the study.
- Previously completed routine childhood vaccinations to the best of his/her parents’/guardians knowledge.
- Having completed primary vaccination with two doses of Haemophilus influenzae type b outer membrane protein (Hib-OMP) containing vaccine OR three doses of diphtheria, tetanus, acellular pertussis and Haemophilus influenzae type b (DTPa/Hib) containing vaccine at least 6 months before the study start. Long-term persistence phase:
- Having participated in the vaccination study 106445
- Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
- Chronic administration (defined as more than 14 days) or planned administration of immuno-suppressants or other immune-modifying drugs within six months prior to vaccination.
- Planned administration/administration of a vaccine not foreseen by the protocol during the period starting from 30 days before vaccination and ending 30 days after vaccination.
- Administration of a meningococcal vaccine not foreseen by the study protocol during the period starting at birth and ending at first dose.
- Previous administration of a booster dose of Hib vaccine.
- Previous vaccination against measles, mumps, rubella.
- History of H. influenzae type b, meningococcal serogroup C and/or confirmed measles, mumps or rubella diseases.
- Known exposure to measles, mumps or rubella within 30 days prior to the start of the study.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus infection.
- 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 neurological disorders or more than one episode of febrile convulsion.
- Acute disease at the time of enrolment.
- Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period. Additional exclusion criteria for the long-term persistence phase: to be checked each year.
- Previous administration of a booster dose of Hib, meningococcal serogroup C vaccines.
- History of H. influenzae type b, meningococcal serogroup C diseases.
For the primary vaccination phase:
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.