3 formulations of Hib-MenCY-TT vaccine & 1 formulation of Hib-MenC-TT vaccine compared to licensed meningococcal serogroup C conjugate vaccine, each administered at 2,3,4 mths of age
Trial overview
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 1 microgram per millilitre (µg/mL).
Timeframe: One month after dose 3 (at study Month 3 - primary phase)
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titre equal to or above 1:8
Timeframe: One month after dose 3 (at study Month 3 - primary phase)
Number of subjects with meningococcal serogroup Y serum bactericidal assay using rabbit complement (rSBA-MenY) titre equal to or above 1:8
Timeframe: One month after dose 3 (at study Month 3 - primary phase)
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 1 microgram per millilitre (µg/mL).
Timeframe: One month after the booster vaccination (at study Month 1 – booster phase)
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titre equal to or above 1:8
Timeframe: One month after the booster vaccination (at study Month 1 – booster phase)
Number of subjects with meningococcal serogroup Y serum bactericidal assay using rabbit complement (rSBA-MenY) titre equal to or above 1:8
Timeframe: One month after the booster vaccination (at study Month 1 – booster phase)
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titre equal to or above 1:8
Timeframe: Before the administration of the first dose (at pre-vaccination = study Month 0 – primary phase)
Number of subjects with meningococcal serogroup Y serum bactericidal assay using rabbit complement (rSBA-MenY) titre equal to or above 1:8
Timeframe: Before the administration of the first dose (at pre-vaccination = study Month 0 – primary phase)
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 1 microgram per millilitre (µg/mL).
Timeframe: Before the administration of the first dose (at pre-vaccination = study Month 0 – primary phase)
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 1 microgram per millilitre (µg/mL).
Timeframe: Prior to the booster vaccination (at study Month 0 – booster phase)
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titre equal to or above 1:8
Timeframe: Prior to the booster vaccination (at study Month 0 – booster phase)
Number of subjects with meningococcal serogroup Y serum bactericidal assay using rabbit complement (rSBA-MenY) titre equal to or above 1:8
Timeframe: Prior to the booster vaccination (at study Month 0 – booster phase)
rSBA-MenC antibody titres
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
rSBA-MenY antibody titres
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 0.15 microgram per millilitre (µg/mL).
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Anti-PRP antibody concentrations
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of subjects with anti-polysaccharide C (anti-PSC) antibody concentration equal to or above 0.30 microgram per millilitre (µg/mL)
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of subjects with anti-polysaccharide Y (anti-PSY) antibody concentration equal to or above 0.30 microgram per millilitre (µg/mL)
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Anti-PSC antibody concentrations
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Anti-PSY antibody concentrations
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Anti-tetanus antibody concentrations
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Anti-filamentous haemagglutinin (anti-FHA), anti-pertactin (anti-PRN), anti-pertussis toxoid (anti-PT) antibody concentrations
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of seroprotected subjects for anti-tetanus antibodies
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of subjects with anti-FHA, anti-PRN and anti-PT antibody concentration equal to or above 5 Enzyme-Linked Immunosorbent Assay (ELISA) units per millilitre (EL.U/mL)
Timeframe: Prior to the first dose and one month after the third dose (at study Months 0 and 3 – primary phase)
Number of subjects with anti-polyribosyl-ribitol phosphate (anti-PRP) antibody concentration equal to or above 0.15 microgram per millilitre (µg/mL).
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Anti-PRP antibody concentrations
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Number of subjects with meningococcal serogroup C serum bactericidal assay using rabbit complement (rSBA-MenC) titre equal to or above 1:128
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Number of subjects with meningococcal serogroup Y serum bactericidal assay using rabbit complement (rSBA-MenY) titre equal to or above 1:128
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
rSBA-MenC antibody titres
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
rSBA-MenY antibody titres
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Number of subjects with anti-polysaccharide C (anti-PSC) antibody concentration equal to or above 0.30 microgram per millilitre (µg/mL)
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Number of subjects with anti-polysaccharide C (anti-PSC) antibody concentration equal to or above 2.0 microgram per millilitre (µg/mL)
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Anti-PSC antibody concentrations
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Anti-PSY antibody concentrations
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Number of subjects with anti-tetanus toxoid (anti-T) antibody concentration equal to or above 0.1 International units per millilitre (IU/mL).
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Anti-T antibody concentrations
Timeframe: Prior to and one month post booster vaccination (at study Months 0 and 1 – booster phase)
Anti-diphtheria antibody concentrations
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Anti-hepatitis B surface antigen (HBs) antibody concentrations
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Anti-poliovirus types 1, 2, 3 antibody titres
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Number of seroprotected subjects for anti-diphtheria antibodies
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Number of seroprotected subjects for anti-hepatitis B antibodies
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Number of seroprotected subjects for anti-poliovirus types 1, 2 and 3 antibodies
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Number of subjects with vaccine response to PT, FHA and PRN
Timeframe: One month after the third dose (at study Month 3 - primary phase)
Number of subjects with solicited local symptoms
Timeframe: During the 8-day (Day 0-7) follow-up period (during the primary phase)
Number of subjects with solicited general symptoms
Timeframe: During the 8-day (Day 0-7) follow-up period (during the primary phase)
Number of subjects with unsolicited adverse events (AEs)
Timeframe: During the 31-day (Day 0-30) follow-up period (during the primary phase)
Number of subjects reporting serious adverse events (SAEs)
Timeframe: Over the full course of the primary phase (up to study Month 3 – primary phase)
Number of subjects with solicited local symptoms
Timeframe: During the 8-day (Day 0-7) follow-up period (during the booster phase)
Number of subjects with solicited general symptoms
Timeframe: During the 8-day (Day 0-7) follow-up period (during the booster phase)
Number of subjects with unsolicited adverse events (AEs)
Timeframe: During the 31-day (Day 0-30) follow-up period (during the booster phase)
Number of subjects reporting serious adverse events (SAEs)
Timeframe: Over the full course of the booster phase (up to study Month 1 – booster phase)
- Healthy infants without major congenital illness, immunosuppression, or chronic disease born at 36 to 42 weeks of gestation, between 6 and 12 weeks of age at enrollment, and vaccinated against hepatitis B at birth.
- Infants should not have received any investigational drug, vaccine, chronic immunosuppressants, or immunoglobulin or blood products.
- Healthy infants without major congenital illness, immunosuppression, or chronic disease born at 36 to 42 weeks of gestation, between 6 and 12 weeks of age at enrollment, and vaccinated against hepatitis B at birth.
- Infants should not have received any investigational drug, vaccine, chronic immunosuppressants, or immunoglobulin or blood products.
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.