Study Evaluating a 13-valent Pneumococcal Conjugate Vaccine in Preterm Compared to Term Infants.

Phase 4

Completed

Conditions: Premature Birth
Safety
13-valent Pneumococcal Vaccine
Immunization

Interventions: Biological: 13-valent pneumococcal conjugate vaccine

Registration Number: NCT01193335

Lead Sponsor: Pfizer

Brief Summary: The purpose of this study is to describe the safety, tolerability, and immunogenicity of a 2,3,4 and 12 month schedule of the 13-valent pneumococcal conjugate vaccine when given to preterm infants with concomitant vaccines, compared to infants born at term.There will be a follow-up phase to assess the persistence of the antibody response at 24 and 36 months of age.

Detailed Description: Not available

Recruitment & Eligibility

Status: COMPLETED

Sex: All

Target Recruitment: 200

Inclusion Criteria

Healthy Infants between 42 and 98 days of age (approximately 2 months) at the time of enrollment.

Exclusion Criteria

Previous vaccination with pneumococcal vaccine,Haemophilus influenzae type B (Hib) conjugate vaccine, meningococcal type C conjugate vaccine, or diphtheria, tetanus, pertussis, or poliovirus vaccines.
Previous anaphylactic reaction or allergy to any vaccine
Contraindication to vaccination
Known or suspected immune deficiency or immune suppression
Major known congenital malformation or serious chronic disorder
Significant neurological disorder
Participation to another study

Study & Design

Study Type: INTERVENTIONAL

Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Group 1: Preterm infants	13-valent pneumococcal conjugate vaccine	Infant born at \< 37 weeks of gestation.
Group 2: Term infants	13-valent pneumococcal conjugate vaccine	Infants born at ≥ 37 weeks of gestation

Primary Outcome Measures

Name	Time	Method
Percentage of Participants Achieving Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Level Greater Than or Equal to (>=) 0.35 Microgram Per Milliliter (mcg/mL) 1 Month After Infant Series	1 month after the infant series	Percentage of participants achieving predefined antibody threshold \>=0.35 mcg/mL along with the corresponding 95 percent (%) confidence interval (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) were presented. Exact 2-sided CI based on the observed proportion of participants. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Percentage of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs): 2-Year Follow-up After Toddler Dose	1-year follow-up after toddler dose to 2-year follow-up after toddler dose	An AE was any untoward medical occurrence in a participant who received vaccine without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial/prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody 1 Month After the Infant Series	1 month after the infant series	Antibody geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CIs were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs for GMC were back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Percentage of Participants Reporting Pre-Specified Systemic Events Within 7 Days After Toddler Dose	Within 7 days after the toddler dose	Systemic events (fever \>=38 degrees Celsius \[C\], decreased appetite, increased sleep, and irritability or decreased sleep) and use of antipyretic medication were reported using an electronic diary. Decreased appetite was scaled as Any; Mild (loss of appetite but no decreased oral intake); Moderate (decreased oral intake); Severe (refusal to feed). Increased sleep was scaled as Any; Mild (increased or prolonged sleeping bouts); Moderate (slightly subdued interfering with daily activity); Severe (disabling not interested in usual daily activity). Irritability or decreased sleep was scaled as Any; Mild (easily consolable); Moderate (requiring increased attention); Severe (inconsolable; crying that cannot be comforted). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Local Reactions Within 7 Days After Dose 3 Infant Series	Within 7 days after Dose 3 of the infant series	Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Mild (hurts if gently touched with no crying); Moderate (hurts if gently touched with crying); Severe (causes limitation of limb movement). Redness and swelling were scaled as Any (redness or swelling present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\>7.0 cm). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Systemic Events Within 7 Days After Dose 2 Infant Series	Within 7 days after Dose 2 of the infant series	Systemic events (fever \>=38 degrees Celsius \[C\], decreased appetite, increased sleep, and irritability or decreased sleep) and use of antipyretic medication were reported using an electronic diary. Decreased appetite was scaled as Any; Mild (loss of appetite but no decreased oral intake); Moderate (decreased oral intake); Severe (refusal to feed). Increased sleep was scaled as Any; Mild (increased or prolonged sleeping bouts); Moderate (slightly subdued interfering with daily activity); Severe (disabling not interested in usual daily activity). Irritability or decreased sleep was scaled as Any; Mild (easily consolable); Moderate (requiring increased attention); Severe (inconsolable; crying that cannot be comforted). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Local Reactions Within 7 Days After Dose 2 Infant Series	Within 7 days after Dose 2 of the infant series	Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Mild (hurts if gently touched with no crying); Moderate (hurts if gently touched with crying); Severe (causes limitation of limb movement). Redness and swelling were scaled as Any (redness or swelling present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\>7.0 cm). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Local Reactions Within 7 Days After Toddler Dose	Within 7 days after the toddler dose	Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Mild (hurts if gently touched with no crying); Moderate (hurts if gently touched with crying); Severe (causes limitation of limb movement). Redness and swelling were scaled as Any (redness or swelling present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\>7.0 cm). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Systemic Events Within 7 Days After Dose 1 Infant Series	Within 7 days after Dose 1 of the infant series	Systemic events (fever \>=38 degrees Celsius \[C\], decreased appetite, increased sleep, and irritability or decreased sleep) and use of antipyretic medication were reported using an electronic diary. Decreased appetite was scaled as Any; Mild (loss of appetite but no decreased oral intake); Moderate (decreased oral intake); Severe (refusal to feed). Increased sleep was scaled as Any; Mild (increased or prolonged sleeping bouts); Moderate (slightly subdued interfering with daily activity); Severe (disabling not interested in usual daily activity). Irritability or decreased sleep was scaled as Any; Mild (easily consolable); Moderate (requiring increased attention); Severe (inconsolable; crying that cannot be comforted). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Local Reactions Within 7 Days After Dose 1 Infant Series	Within 7 days after Dose 1 of the infant series	Local reactions were reported using an electronic diary. Tenderness was scaled as Any (tenderness present); Mild (hurts if gently touched with no crying); Moderate (hurts if gently touched with crying); Severe (causes limitation of limb movement). Redness and swelling were scaled as Any (redness or swelling present); Mild (0.5 centimeters \[cm\] to 2.0 cm); Moderate (2.5 to 7.0 cm); Severe (\>7.0 cm). Participants may be represented in more than 1 category.
Percentage of Participants Reporting Pre-Specified Systemic Events Within 7 Days After Dose 3 Infant Series	Within 7 days after Dose 3 of the infant series	Systemic events (fever \>=38 degrees Celsius \[C\], decreased appetite, increased sleep, and irritability or decreased sleep) and use of antipyretic medication were reported using an electronic diary. Decreased appetite was scaled as Any; Mild (loss of appetite but no decreased oral intake); Moderate (decreased oral intake); Severe (refusal to feed). Increased sleep was scaled as Any; Mild (increased or prolonged sleeping bouts); Moderate (slightly subdued interfering with daily activity); Severe (disabling not interested in usual daily activity). Irritability or decreased sleep was scaled as Any; Mild (easily consolable); Moderate (requiring increased attention); Severe (inconsolable; crying that cannot be comforted). Participants may be represented in more than 1 category.
Percentage of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs): After Infant Series	1 Month after Dose 3 of the infant series up to toddler dose	An AE was any untoward medical occurrence in a participant who received vaccine without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial/prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Percentage of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs): Infant Series	Dose 1 up to 1 month after Dose 3 (infant series)	An AE was any untoward medical occurrence in a participant who received vaccine without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial/prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Percentage of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs): 1-Year Follow-up After Toddler Dose	1 month after toddler dose up to 1-year follow-up	An AE was any untoward medical occurrence in a participant who received vaccine without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial/prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Percentage of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs): Toddler Dose	Toddler dose up to 1 Month after toddler dose	An AE was any untoward medical occurrence in a participant who received vaccine without regard to possibility of causal relationship. SAE: an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial/prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.

Secondary Outcome Measures

Name	Time	Method
Percentage of Participants Achieving Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Level >=0.35 mcg/mL 1 Month After Infant Series: Group 1A, 1B, 1C	1 Month After Infant Series	Percentage of participants achieving predefined antibody threshold \>=0.35 mcg/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) were presented. Exact 2-sided CI based on the observed proportion of participants. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Persistence 1 Year After Toddler Dose: Group 1A, 1B, 1C	1 Year After Toddler Dose	The persistence of the antibody response induced by 13vPnC was described by geometric mean concentration (GMC) 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). GMC (13vPnC) and corresponding 2-sided 95% CIs were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Serotype-Specific Pneumococcal Opsonophagocytic Activity (OPA) Geometric Mean Titer (GMT) 2 Years After Toddler Dose	2 Years After Toddler Dose	Antibody-mediated serum OPA against 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) was measured using a pneumococcal OPA assay. Results were expressed as OPA titers. OPA titers were logarithmically transformed for analysis; geometric means calculated and expressed as geometric mean titers (GMTs).
Percentage of Participants With OPA Titer >= Lower Limit of Quantitation (LLOQ) 1 Month After Infant Series	1 Month After Infant Series	Percentage of participants achieving OPA titer \>=LLOQ 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) determined in blood samples of all participants was presented. Exact 2-sided CI based on observed proportion of participants. LLOQ for each serotype: 1=18; 3=12; 4=21; 5=29; 6A=37; 6B=43; 7F=210; 9V=345; 14=35; 18C=31; 19A=18; 19F=48; 23F=13.
Percentage of Participants Achieving Serotype-specific Pneumococcal IgG Antibody Level ≥0.35 mcg/mL 1 Month After the Toddler Dose	1 month after the toddler dose	Percentage of participants achieving predefined antibody threshold \>=0.35 mcg/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) were presented. Exact 2-sided CI based on the observed proportion of participants. Here 'n' signifies participants with a determinate IgG antibody concentration to the given serotype for each arm, respectively.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody 1 Month After Toddler Dose: Group 1A, 1B, 1C	1 Month After Toddler Dose	Geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Serotype-Specific Pneumococcal Opsonophagocytic Activity (OPA) Geometric Mean Titer (GMT) 1 Month After Infant Series	1 Month After Infant Series	Antibody-mediated serum OPA against 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) was measured centrally using a pneumococcal OPA assay. Results were expressed as OPA titers. OPA titers were logarithmically transformed for analysis; geometric means calculated and expressed as geometric mean titers (GMTs).
Percentage of Participants With OPA Titer >= Lower Limit of Quantitation (LLOQ) 2 Years After Toddler Dose	2 Years After Toddler Dose	Percentage of participants achieving OPA titer \>=LLOQ 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) determined in blood samples of all participants was presented. Exact 2-sided CI based on observed proportion of participants. LLOQ for each serotype: 1=18; 3=12; 4=21; 5=29; 6A=37; 6B=43; 7F=210; 9V=345; 14=35; 18C=31; 19A=18; 19F=48; 23F=13.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Before Toddler Dose	Before Toddler Dose (pre-vaccination)	Geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Persistence 2 Years After Toddler Dose: Group 1A, 1B, 1C	2 Years After Toddler Dose	The persistence of the antibody response induced by 13vPnC was described by geometric mean concentration (GMC) 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). GMC (13vPnC) and corresponding 2-sided 95% CIs were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Serotype-Specific Pneumococcal Opsonophagocytic Activity (OPA) Geometric Mean Titer (GMT) 1 Year After Toddler Dose	1 Year After Toddler Dose	Antibody-mediated serum OPA against 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) was measured centrally using a pneumococcal OPA assay. Results were expressed as OPA titers. OPA titers were logarithmically transformed for analysis; geometric means calculated and expressed as geometric mean titers (GMTs).
Percentage of Participants With OPA Titer >= Lower Limit of Quantitation (LLOQ) 1 Year After Toddler Dose	1 Year After Toddler Dose	Percentage of participants achieving OPA titer \>=LLOQ 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) determined in blood samples of all participants was presented. Exact 2-sided CI based on observed proportion of participants. LLOQ for each serotype: 1=18; 3=12; 4=21; 5=29; 6A=37; 6B=43; 7F=210; 9V=345; 14=35; 18C=31; 19A=18; 19F=48; 23F=13.
Geometric Mean Fold Rise (GMFR) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody From Toddler Pre-Dose to 1 Month After Toddler Dose	Before 13vPnC Toddler Dose (pre-vaccination), 1 month after 13vPnC Toddler Dose	GMFR 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) from before 13vPnC toddler dose to 1 month after 13vPnC toddler dose were computed using the logarithmically transformed assay results. CIs for GMFR were back transformations of confidence levels based on the Student t distribution for the mean logarithm of the fold rises. GMFRs were calculated using all participants with available data from both before 13vPnC toddler dose and after 13vPnC toddler dose blood draws.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Persistence 1 Year After Toddler Dose	1 Year After Toddler Dose	The persistence of the antibody response induced by 13vPnC was described by geometric mean concentration (GMC) 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). GMC (13vPnC) and corresponding 2-sided 95% CIs were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Persistence 2 Years After Toddler Dose	2 Years After Toddler Dose	The persistence of the antibody response induced by 13vPnC was described by geometric mean concentration (GMC) 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). GMC (13vPnC) and corresponding 2-sided 95% CIs were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody Before Toddler Dose: Group 1A, 1B, 1C	Before Toddler Dose (pre-vaccination)	Geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Serotype-Specific Pneumococcal Opsonophagocytic Activity (OPA) Geometric Mean Titer (GMT) Before Toddler Dose	Before the toddler dose (pre-vaccination)	Antibody-mediated serum OPA against 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) was measured centrally using a pneumococcal OPA assay. Results were expressed as OPA titers. OPA titers were logarithmically transformed for analysis; geometric means calculated and expressed as geometric mean titers (GMTs).
Serotype-Specific Pneumococcal Opsonophagocytic Activity (OPA) Geometric Mean Titer (GMT) 1 Month After Toddler Dose	1 Month After Toddler Dose	Antibody-mediated serum OPA against 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) was measured centrally using a pneumococcal OPA assay. Results were expressed as OPA titers. OPA titers were logarithmically transformed for analysis; geometric means calculated and expressed as geometric mean titers (GMTs).
Percentage of Participants With OPA Titer >= Lower Limit of Quantitation (LLOQ) Before Toddler Dose	Before Toddler Dose (pre-vaccination)	Percentage of participants achieving OPA titer \>=LLOQ 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) determined in blood samples of all participants was presented. Exact 2-sided CI based on observed proportion of participants. LLOQ for each serotype: 1=18; 3=12; 4=21; 5=29; 6A=37; 6B=43; 7F=210; 9V=345; 14=35; 18C=31; 19A=18; 19F=48; 23F=13.
Percentage of Participants Achieving Serotype-specific Pneumococcal IgG Antibody Level >=0.35 mcg/mL 1 Month After Toddler Dose: Group 1A, 1B, 1C	1 month after the toddler dose	Percentage of participants achieving predefined antibody threshold \>=0.35 mcg/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) were presented. Exact 2-sided CI based on the observed proportion of participants.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody 1 Month After Toddler Dose	1 Month After Toddler Dose	Geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Geometric Mean Concentration (GMC) for Serotype-specific Pneumococcal Immunoglobulin G (IgG) Antibody 1 Month After Infant Series: Group 1A, 1B, 1C	1 Month After Infant Series	Geometric mean concentration (GMC) 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) were presented. GMC (13vPnC) and corresponding 2-sided 95% CI were evaluated. GMCs were calculated using all participants with available data for the specified blood draw. CIs were calculated as back transformations of a CI based on the Student t distribution for the mean logarithm of the concentrations. Here 'n' signifies participants with a determinate IgG concentration to the given serotype for each arm, respectively.
Percentage of Participants With OPA Titer >= Lower Limit of Quantitation (LLOQ) 1 Month After Toddler Dose	1 Month After Toddler Dose	Percentage of participants achieving OPA titer \>=LLOQ 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) determined in blood samples of all participants was presented. Exact 2-sided CI based on observed proportion of participants. LLOQ for each serotype: 1=18; 3=12; 4=21; 5=29; 6A=37; 6B=43; 7F=210; 9V=345; 14=35; 18C=31; 19A=18; 19F=48; 23F=13.

Trial Locations

Locations (12): NZOZ "HIPOKRATES-II" Sp. z o.o.
🇵🇱
Krakow, Poland
Szpital im. Sw. Jadwigi Slaskiej, Oddzial Pediatryczny
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Trzebnica, Poland
Specjalistyczny ZOZ nad Matka i Dzieckiem
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Poznan, Poland
Hanna Czajka Indywidualna Praktyka Specjalistyczna Lekarska
🇵🇱
Krakow, Poland
SP ZOZ Wojewodzki Specjalistyczny Szpital im. W. Bieganskiego w Lodzi
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Lodz, Poland
Complejo Hospitalario de Navarra
🇪🇸
Pamplona, Spain
Hospital 12 de Octubre
🇪🇸
Madrid, Spain
Hospital Universitario de La Paz
🇪🇸
Madrid, Spain
Complejo Hospitalario DE Torrecardenas
🇪🇸
Almeria, Spain
Samodzielny Publiczny Szpital Kliniczny nr 1 we Wroclawiu
🇵🇱
Wroclaw, Poland
Hospital Universitario de Santiago de Compostela
🇪🇸
Santiago de Compostela, A Coruña, Spain
Complexo Hospitalario Xeral Cies
🇪🇸
Vigo, Pontevedra, Spain