Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Infants

Antibody geometric mean concentration of pertussis antigens (PT, FHA, PRN, and FIM) as measured by EU/mL are presented. GMC and corresponding 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution. In addition, the 2-sided 95% confidence intervals on the ratio of the GMCs for 13vPnC relative to 7vPnC were constructed by back transformation of the Student t distribution for the mean difference of the measures on the logarithmic scale.

Time frame: 1 month after the 3-dose Infant Series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with a determinate antibody concentration (titer) to the given antigen. Geometric means (GMs) were calculated using all participants with available data for the specified blood draw.

Antibody geometric mean concentration of PRP in Hib as measured by µg/mL are presented. GMC and corresponding 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution. In addition, the 2-sided 95% confidence interval on the ratio of the GMCs for 13vPnC relative to 7vPnC was constructed by back transformation of the Student t distribution for the mean difference of the measures on the logarithmic scale.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; N=number of participants analyzed with a determinate antibody concentration (titer) to the given antigen. Geometric means (GMs) were calculated using all participants with available data for the specified blood draw.

Antibody geometric mean titer of meningococcal C antigen are presented. GMT and corresponding 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution. In addition, the 2-sided 95% confidence interval on the ratio of the geometric means for 13vPnC relative to 7vPnC was constructed by back transformation of the Student t distribution for the mean difference of the measures on the logarithmic scale.

Time frame: 1 month after 2 doses of NeisVac-C® in the infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; N=number of participants analyzed with a determinate antibody titer to the given antigen. Geometric means (GMs) were calculated using all participants with available data for the specified blood draw.

Percentage of subjects achieving predefined antibody threshold ≥0.15 μg/mL along with the corresponding 95 percent (%) confidence interval (CI) for concomitant antigen PRP in Hib are presented. Non-inferiority was declared if the lower limit of the 2-sided 95% CI for the difference between the 2 treatment groups \> -10%.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population. N=number of participants analyzed with a determinate post-infant series antibody concentration to the given antigen.

Percentage of subjects achieving predefined antibody threshold ≥1:8 along with the corresponding 95 percent (%) confidence interval (CI) for concomitant antigen meningococcal C SBA are presented. Non-inferiority was declared if the lower limit of the 2-sided 95% CI for the difference between the 2 treatment groups \> -10%.

Time frame: 1 month after 2 doses of NeisVac-C® in the infant series (7 months of age)

Population: Evaluable immunogenicity population: had treatments as randomized at all expected doses, blood drawn within specified timeframes, at least 1 valid and determinate assay result for proposed analysis, and no major protocol violations. N=number of participants analyzed with a determinate post-infant series antibody concentration to the given antigen.

Percentage of subjects achieving predefined antibody threshold ≥5 enzyme-linked immunosorbent assay (ELISA) units per mL (EU/mL) along with the corresponding 95 % CI for concomitant antigens pertussis (pertussis toxoid \[PT\], filamentous hemagglutinin \[FHA\], and pertactin \[PRN\]) and ≥ 2.2 EU/mL fimbrial agglutinogens (FIM) are presented. Non-inferiority was declared if the lower limit of the 2-sided 95% CI for the difference between the 2 treatment groups \> -10%.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with an antibody concentration (titer) ≥ to prespecified level for the given antigen for 13vPnC and 7vPnC, respectively.

Antibody geometric mean titer of meningococcal C antigen are presented. GMT and corresponding 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution. In addition, the 2-sided 95% confidence interval on the ratio of the GMs for 13vPnC relative to 7vPnC was constructed by back transformation of the Student t distribution for the mean difference of the measures on the logarithmic scale.

Time frame: 1 month after the toddler dose (13 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; N=number of participants analyzed with a determinate antibody titer to the given antigen. Geometric means (GMs) were calculated using all participants with available data for the specified blood draw.

Percentage of subjects achieving predefined antibody threshold ≥1.0 μg/mL along with the corresponding 95% CI for concomitant antigen PRP in Hib are presented. Non-inferiority was declared if the lower limit of the 2-sided 95% CI for the difference between the 2 treatment groups \> -10%.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population. N=number of participants analyzed with a determinate post-infant series antibody concentration (titer) to the given antigen.

Percentage of subjects achieving predefined antibody threshold ≥1:8 along with the corresponding 95% CI for concomitant antigen meningococcal C SBA are presented. Non-inferiority was declared if the lower limit of the 2-sided 95% CI for the difference between the 2 treatment groups \> -10%.

Time frame: 1 month after the toddler dose of NeisVac-C® (13 months of age)

Population: The evaluable immunogenicity population was the primary analysis population. N=number of participants analyzed with a determinate post-toddler dose antibody concentration (titer) to the given antigen.

Antibody geometric mean concentration (GMC) as measured by μg/mL for 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (Serotypes 1, 3, 5, 6A, 7F, and 19A) are presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with a determinate antibody concentration for the given serotype for 13vPnC.

Antibody geometric mean concentration (GMC) as measured by μg/mL for 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (Serotypes 1, 3, 5, 6A, 7F, and 19A) are presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. 2-sided 95% CI were constructed by back transformation of the CI for the mean of the logarithmically transformed assay results computed using the Student t distribution.

Time frame: 1 month after the toddler dose (13 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with a determinate antibody concentration for the given serotype for 13vPnC.

Percentage of subjects achieving World Health Organization (WHO) predefined antibody threshold ≥0.35μg/mL along with the corresponding 95% CI for the 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (serotypes 1, 3, 5, 6A, 7F, and 19A) are presented.

Time frame: 1 month after the 3-dose infant series (7 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with a determinate IgG antibody concentration to the given serotype for 13vPnC.

Percentage of subjects achieving WHO predefined antibody threshold ≥0.35μg/mL along with the corresponding 95% CI for the 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (serotypes 1, 3, 5, 6A, 7F, and 19A) are presented.

Time frame: 1 month after the toddler dose (13 months of age)

Population: The evaluable immunogenicity population was the primary analysis population; (n)=number of participants with a determinate IgG antibody concentration to the given serotype for 13vPnC.

Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Significant (present and interfered with limb movement). Induration and erythema were scaled as Any (induration or erythema present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\> 7.0 cm). Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (2 months of age)

Population: Safety population: all subjects who received at least 1 dose of study vaccine. N=number of subjects reporting any local reactions; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Significant (present and interfered with limb movement). Induration and erythema were scaled as Any (induration or erythema present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\> 7.0 cm). Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (4 months of age)

Population: Safety population; N=number of subjects reporting any local reactions; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Significant (present and interfered with limb movement). Induration and erythema were scaled as Any (induration or erythema present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\> 7.0 cm). Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (6 months of age)

Population: Safety population; N=number of subjects reporting any local reactions; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Significant (present and interfered with limb movement). Induration and erythema were scaled as Any (induration or erythema present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\> 7.0 cm). Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (12 months of age)

Population: Safety population; N=number of subjects reporting any local reactions; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Systemic events (any fever ≥38 degrees Celsius \[C\], decreased appetite, irritability, increased sleep, and decreased sleep were reported using an electronic diary. Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (2 months of age)

Population: Safety population; N=number of subjects reporting any systemic events; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Systemic events (any fever ≥38 degrees Celsius \[C\], decreased appetite, irritability, increased sleep, and decreased sleep were reported using an electronic diary. Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (4 months of age)

Population: Safety population; N=number of subjects reporting any systemic events; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Systemic events (any fever ≥38 degrees Celsius \[C\], decreased appetite, irritability, increased sleep, and decreased sleep were reported using an electronic diary. Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (6 months of age)

Population: Safety population; N=number of subjects reporting any systemic events; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.

Systemic events (any fever ≥38 degrees Celsius \[C\], decreased appetite, irritability, increased sleep, and decreased sleep were reported using an electronic diary. Subjects may be represented in more than 1 category.

Time frame: Within 4 days after dose (12 months of age)

Population: Safety population; N=number of subjects reporting any systemic events; (n)=number of subjects reporting yes for at least 1 day or no for all days for the 13vPnC and 7vPnC groups, respectively.