Impact of GSK Biologicals' 2189242A Vaccine on Nasopharyngeal Carriage, Safety & Immunogenicity in Children & Infants

Infections, Streptococcal Clinical Trial

Official title:

Impact of GSK Biologicals' 2189242A Vaccine on Nasopharyngeal Carriage, Safety and Immunogenicity When Co-administered With Routine EPI Vaccines in Infants Following Safety Assessment in Children Aged 2-4 Years in The Gambia

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT01262872
• Other study ID #: 114174
• Secondary ID: 2012-002727-15
• Status: Completed
• Phase: Phase 2
• Start date: February 9, 2011
• Est. completion date: March 18, 2013

Study information

• Verified date: June 2019
• Source: GlaxoSmithKline
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This study will assess the impact on nasopharyngeal carriage, safety and immunogenicity of GSK Biologicals' pneumococcal vaccine 2189242A given as a 3-dose vaccination course and co-administered with other routine paediatric vaccines in infants in The Gambia. Two formulations containing different doses of pneumococcal antigen and two different schedules will be tested in infants.

Description:

There will be two cohorts in the study: Cohort 1 (children aged 2-4 years) and Cohort 2 (infants aged 8-10 weeks), and two steps in the study, Step 1 and Step 2. Step 1 will consist in a safety evaluation of the GSK Biologicals' pneumococcal vaccine 2189242A (GSK 2189242A or 10PP vaccine). Before evaluating the two formulations of the 10PP vaccine in infants (Cohort 2), safety and reactogenicity of the highest dose formulation of this vaccine will be evaluated in children (Cohort 1). Prevnar 13™ will be used as a control. In the second step of the study, Step 2, two investigational formulations of the 10PP vaccine will be tested in infants (Cohort 2) as regards immunogenicity, reactogenicity and safety. Both formulations of the 10PP vaccine will be evaluated according to the Expanded Programme on Immunization (EPI) schedule i.e. a 2, 3, 4 months vaccination schedule, using licensed Synflorix™ and Prevnar 13™ vaccines as comparators. The higher dose (HD) formulation of the 10PP vaccine will be also evaluated according to the 2, 4, 9 months vaccination schedule using licensed Synflorix™ vaccine as comparator. The study in infants will also assess the immune responses to routine vaccines when co-administered with the candidate pneumococcal vaccine, using licensed Synflorix™ and Prevnar 13™ vaccines as comparators.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 1320
• Est. completion date: March 18, 2013
• Est. primary completion date: March 18, 2013
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 56 Days to 4 Years

Eligibility

Inclusion Criteria:

Inclusion criteria for subjects in Cohort 1 (children) and Cohort 2 (infants):

• Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) (LAR) can and will comply with the requirements of the protocol

• Male or female between, and including,

• 2 to 4 years of age at the time of the first vaccination for subjects in Cohort 1 (children).

• 8 to 10 weeks (56-76 days) of age at the time of the first vaccination for subjects in Cohort 2 (infants).

• Signed or thumb-printed informed consent obtained from the parents/LAR(s) of the subject.

• Healthy subjects as established by medical history and clinical examination before entering into the study.

• Permanent residence in the study area and no intention of leaving during the study period.

Additional inclusion criteria for subjects in Cohort 1:

• Previously completed three-dose primary course of diphtheria-tetanus-pertussis (DTP) vaccination.

Exclusion Criteria:

Exclusion criteria for subjects in Cohort 1 (children) and Cohort 2 (infants):

• Child in care.

• Use of any investigational or non-registered product 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 of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose.

• Planned administration/administration of a vaccine not foreseen by the study protocol during the study period starting from 30 days before each dose and ending 30 days after each dose of vaccine(s), with the exception of licensed flu vaccines.

• Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product

• Previous vaccination against S. pneumoniae.

• Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.

• Malnutrition

• A family history of congenital or hereditary immunodeficiency.

• History of any reaction or hypersensitivity likely to be exacerbated by any component of the vaccine(s).

• Major congenital defects or any chronic illness.

• History of any neurologic disorders or seizures.

• Acute disease and/or fever at the time of enrolment.

• Administration of immunoglobulins and/ or any blood products within the 3 months preceding the first dose of study vaccine or planned administration during the study period.

• Contraindications to any co-administered vaccine.

• Any medical condition that would contraindicate the initiation of routine immunization outside a clinical trial context.

Additional exclusion criteria for subjects in Cohort 1:

• Previous vaccination against diphtheria, tetanus, pertussis, polio, hepatitis B, Haemophilus influenzae type b with the exception of vaccines where the first dose should be given within the first two weeks of life according to the national recommendations (for example Bacillus Calmette-Guérin [BCG] and hepatitis B vaccination).

Related Conditions & MeSH terms

• Infections, Streptococcal
• Streptococcal Infections

Intervention

Biological:
• Pneumococcal vaccine GSK 2189242A (LD formulation 1)
Intramuscular injection
• Pneumococcal vaccine GSK 2189242A (HD formulation 2)
Intramuscular injection
• Synflorix™
Intramuscular injection
• Prevnar13™
Intramuscular injection
• Tritanrix™-HepB/Hib
Intramuscular injection
• Polio Sabin™
Orally
• M-Vac™
Intramuscular injection
• Stamaril™
Intramuscular injection

Locations

Country	Name	City	State
Gambia	GSK Investigational Site	Banjul

Sponsors (5)

Lead Sponsor	Collaborator
GlaxoSmithKline	Department of State for Health and Social Welfare, The Gambia, London School of Hygiene and Tropical Medicine, Medical Research Council Unit, The Gambia, PATH

Country where clinical trial is conducted

Gambia, 

References & Publications (4)

Odutola A, Antonio M, Owolabi O, Bojang A, Foster-Nyarko E, Donkor S, Adetifa I, Taylor S, Bottomley C, Greenwood B, Ota M. Comparison of the prevalence of common bacterial pathogens in the oropharynx and nasopharynx of gambian infants. PLoS One. 2013 Sep 23;8(9):e75558. doi: 10.1371/journal.pone.0075558. eCollection 2013. — View Citation

Odutola A, Ota MO, Ogundare EO, Antonio M, Owiafe P, Worwui A, Greenwood B, Alderson M, Traskine M, Verlant V, Dobbelaere K, Borys D. Reactogenicity, safety and immunogenicity of a protein-based pneumococcal vaccine in Gambian children aged 2-4 years: A phase II randomized study. Hum Vaccin Immunother. 2016;12(2):393-402. doi: 10.1080/21645515.2015.1111496. — View Citation

Odutola A, Ota MOC, Antonio M, Ogundare EO, Saidu Y, Foster-Nyarko E, Owiafe PK, Ceesay F, Worwui A, Idoko OT, Owolabi O, Bojang A, Jarju S, Drammeh I, Kampmann B, Greenwood BM, Alderson M, Traskine M, Devos N, Schoonbroodt S, Swinnen K, Verlant V, Dobbelaere K, Borys D. Efficacy of a novel, protein-based pneumococcal vaccine against nasopharyngeal carriage of Streptococcus pneumoniae in infants: A phase 2, randomized, controlled, observer-blind study. Vaccine. 2017 May 2;35(19):2531-2542. doi: 10.1016/j.vaccine.2017.03.071. Epub 2017 Apr 4. — View Citation

Odutola A, Ota MOC, Antonio M, Ogundare EO, Saidu Y, Owiafe PK, Worwui A, Idoko OT, Owolabi O, Kampmann B, Greenwood BM, Alderson M, Traskine M, Swinnen K, Verlant V, Dobbelaere K, Borys D. Immunogenicity of pneumococcal conjugate vaccine formulations containing pneumococcal proteins, and immunogenicity and reactogenicity of co-administered routine vaccines - A phase II, randomised, observer-blind study in Gambian infants. Vaccine. 2019 May 1;37(19):2586-2599. doi: 10.1016/j.vaccine.2019.03.033. Epub 2019 Apr 8. — View Citation

Outcome

Type	Measure	Description	Time frame	Safety issue
Other	Description of Non-Vaccine-Type S.Pneumoniae Samples Isolated From Nasopharyngeal Swabs Before and After Vaccination for the Ply Gene - Cohort 2	Isolates from the Prev13_3D group were not selected. Samples were distributed evenly in the 5 groups and across time points: 10 isolates from pre-vaccination, 20 at Month 3, 20 at Month 7 and 20 at Month 10. Only samples displaying non-vaccine and non-vaccine related serotypes (all serotypes except serotypes 1, 4, 5 and 14 and serotypes belonging to the serogroups 6, 7, 9, 18, 19 and 23) were selected in systematic (equal number across groups) but non-random manner. Samples were described as follows: samples with gene detected (Positive isolates) with sequenced protein, number of protein Variants, number of isolates with Variant 1 (100% identity with vaccine sequence).	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) or at Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Other	Description of Non-Vaccine-Type S.Pneumoniae Samples Isolated From Nasopharyngeal Swabs Before and After Vaccination for the PhtD Gene - Cohort 2	Isolates from the Prev13_3D group were not selected. Samples were distributed evenly in the 5 groups and across time points: 10 isolates from pre-vaccination, 20 at Month 3, 20 at Month 7 and 20 at Month 10. Only samples displaying non-vaccine and non-vaccine related serotypes (all serotypes except serotypes 1, 4, 5 and 14 and serotypes belonging to the serogroups 6, 7, 9, 18, 19 and 23) were selected in systematic (equal number across groups) but non-random manner. Samples were described as follows: samples with gene detected (Positive isolates) with sequenced protein, number of protein Variants, number of isolates with Variant 1 (100% identity with vaccine sequence).	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) or at Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Other	Number of Samples With Ply Protein Variants Classified by Number of Amino Acids (AA) Mutation Versus Vaccine Sequence in a Subset of Non-Vaccine-Type S.Pneumoniae Isolates From Nasopharyngeal Swabs - Cohort 2	Overall, 18 different Ply protein sequences were identified: 5 protein variants previously described (e.g. variants 1, 2, 7, 11 and 15), plus 13 new protein variants which are referred to as variants GSK21 to GSK33. The number of Amino Acids (AA) mutation versus vaccine sequence has been specified for each Ply variant. The samples without gene detected were considered as negative for Ply (Ply negative).	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) and Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Other	Percentage (Median and Mean) of Protein Identity Relative to Amino Acid Sequence of Ply Protein in the Vaccine for a Subset of Non-Vaccine-Type S.Pneumoniae Isolates From Nasopharyngeal Swabs - Cohort 2	Protein sequence identity was compared to vaccine sequence. Mean and median was calculated and expressed as percentage.	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) and Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Other	Number of Samples With PhtD Protein Variants in a Subset of Non-Vaccine-Type S.Pneumoniae Isolates From Nasopharyngeal Swabs - Cohort 2	Because of high variants heterogeneity in each group (no major variant), the impact of vaccination on variant prevalence was not analysed. PhtD sequences were detected in some samples but no consensus sequence could be obtained they were defined as mixed sequences (Mix). The samples without gene detected were considered as negative for PhtD (PhtD negative).	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) and Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Other	Percentage (Median and Mean) of Protein Identity Relative to Amino Acid Sequence of PhtD Protein in the Vaccine for a Subset of Non-Vaccine-Type S.Pneumoniae Isolates From Nasopharyngeal Swabs - Cohort 2	Protein sequence identity was compared to vaccine sequence. Mean and median was calculated and expressed as percentage.	At Month 0 (Pre-vaccination), Month 3 (1 month [m] post-dose [P] III-3+0 schedule or PII-2+1 schedule), Month 7 (5 m PIII - 3+0 schedule or PII-2+1 schedule) and Month 10 (8 m PIII - 3+0 schedule or 3 m post-booster-2+1 schedule)
Primary	Number of Subjects With Any and Grade 3 Solicited Local Symptoms and Grade 3 Solicited Local Symptoms With Relationship to Vaccination - For Step 1/Cohort 1 Subjects	Assessed local symptoms were pain, redness and swelling. Any = Occurrence of the specified solicited local symptom, regardless of intensity. Grade 3 Pain = Crying when limb was moved/spontaneously painful. Grade 3 Redness/Swelling = Redness/swelling at injection site larger than (>) 30 millimeters (mm). All solicited local symptoms were systematically considered by the investigators as causally related to vaccination. Primary results correspond to results for occurrences of Grade 3 symptoms. This outcome concerns subjects enrolled in Cohort 1/Step 1.	Within the 4-day (Days 0-3) period post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Primary	Number of Subjects With Any and Grade 3 Solicited General Symptoms With and Without Relationship to Vaccination - For Step 1/Cohort 1 Subjects	Assessed solicited general symptoms were Drowsiness, Fever (axillary temperature higher than [=] 37.5 degrees Celsius [°C]), Irritability/Fussiness and Loss of appetite. Any = Occurrence of the specified solicited general symptom, regardless of intensity and relationship to vaccination. Related = Occurrence of the specified symptom assessed by the investigator as causally related to vaccination. Grade 3 Drowsiness = Drowsiness that prevented normal activity. Grade 3 Fever = Axillary temperature higher than (>) 39.5°C. Grade 3 Irritability/fussiness = Crying that could not be comforted/prevented normal activity. Grade 3 Loss of appetite = Subject did not eat at all. Primary results correspond to results for occurrences of Grade 3 symptoms assessed as related to vaccination. This outcome concerns subjects enrolled in Cohort 1/Step 1.	Within the 4-day (Days 0-3) period post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Primary	Number of Subjects With Any and Grade 3 Unsolicited Adverse Events (AEs) With and Without Relationship to Vaccination - In Step 1/Cohort 1 Subjects	An unsolicited AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e. lack of efficacy), abuse or misuse. Any = Occurrence of AE, regardless of intensity or relationship to vaccination. Grade 3 = Occurrence of AE which prevented normal activities. Related = Occurrence of AE assessed by the investigator as causally related to vaccination. Primary results correspond to results for occurrences of Grade 3 unsolicited AE(s) assessed as related to vaccination. This outcome concerns subjects enrolled in Cohort 1/Step 1.	Within the 31-day (Days 0-30) period post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Primary	Number of Subjects With Any Serious Adverse Events (SAEs) and With SAE(s) With Relationship to Vaccination - In Step 1/Cohort 1 Subjects	SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity. These should also be considered serious: invasive or malignant cancers, intensive treatment in an emergency room or at home for allergic bronchospasm, blood dyscrasias or convulsions that do not result in hospitalisation. Any = Occurrence of an SAE, regardless of relationship to vaccination. Related = Occurrence of an SAE assessed by the investigator as causally related to vaccination. Primary results correspond to results for occurrences of SAE(s) assessed as related to vaccination. This outcome concerns subjects enrolled in Cohort 1/Step 1.	From Day 0 to Month 1
Primary	Number of Subjects With Non-vaccine Serotypes of Streptococcus Pneumoniae (S. pn.) in the Nasopharynx - For Cohort 2/Step 2, Subjects Receiving the 3+0 Schedule	Any serotype belonging to the same serogroup as the serotypes of the pneumococcal vaccine administered (10PP vaccine or Synflorix™), but different from 10 vaccine pneumococcal serotypes, was considered for this analysis of carriage. Serotypes were identified through cultures and serotyping of the isolates.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Primary	Number of Subjects With Non-vaccine Serotypes of Streptococcus Pneumoniae (S. pn.) in the Nasopharynx - For Cohort 2/Step 2, Subjects Receiving the 2+1 Schedule	Any serotype belonging to the same serogroup as the serotypes of the pneumococcal vaccine administered (10PP vaccine or Synflorix™), but different from 10 vaccine pneumococcal serotypes, was considered for this analysis of carriage. Serotypes were identified through cultures and serotyping of isolates.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Haematological or Biochemical Abnormalities With Respect to Normal Laboratory Ranges - For Cohort 1/Step 1 Subjects	Assessed biochemical and haematological parameters were: Haemoglobin (Hgb), White cell count (WBC), Platelet counts, Alanine aminotransferase (ALT) and Creatinine (CREA). Per parameter, it was assessed whether subjects had laboratory values below normal, normal, or above normal range. Below = value below the laboratory reference range defined for the specified time point and laboratory parameter. Within = value within the laboratory reference range defined for the specified time point and laboratory parameter. Above = value above the laboratory reference range defined for the specified time point and laboratory parameter. Unknown = value unknown for the specified time point and laboratory parameter. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Number of Subjects With Serious Adverse Events (SAEs) - For Step 1/Cohort 1 Subjects	SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity. These should also be considered serious: invasive or malignant cancers, intensive treatment in an emergency room or at home for allergic bronchospasm, blood dyscrasias or convulsions that do not result in hospitalisation. Any = Occurrence of an SAE, regardless of relationship to vaccination. This outcome concerns subjects enrolled in Cohort 1/Step 1.	From Day 0 to Month 6
Secondary	Antibody Concentrations Against Pneumococcal Pneumolysin Toxoid (Ply) and Pneumococcal Histidine Triad Protein D (PhtD) Proteins - For Cohort 1/Step 1 Subjects	Anti-Ply and anti-PhtD antibody concentrations were measured by Multiplex immunoassay and expressed as geometric mean concentrations (GMCs), in Luminex Units per milliliter (LU/mL). Cut-off of the assay were concentrations higher than or equal to (=) 599 LU/mL for anti-Ply antibodies and = 391 LU/mL for anti-PhtD antibodies. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Antibody Concentrations Against Protein D (PD) - For Cohort 1/Step 1 Subjects	Anti-PD antibody concentrations were measured by Multiplex immunoassay, expressed as geometric mean concentrations (GMCs), in Luminex Units per milliliter (LU/mL). The cut-off of the assay was an anti-PD antibody concentration higher than or equal to (=) 112 LU/mL. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 1/Step 1 Subjects	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 3, 6A and 19A - For Cohort 1/Step 1 Subjects	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotype 6C - For Cohort 1/Step 1 Subjects	No analysis was performed on Enzyme-Linked ImmunoSorbent Assay (ELISA) testing for antibody concentrations against vaccine serotype 6C as no specific qualified/validated assay were available. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 1/Step 1 Subjects	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 3, 6A and 19A - For Cohort 1/Step 1 Subjects	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotype 6C - For Cohort 1/Step 1 Subjects	No analysis was performed on opsonophagocytic activity for antibody titers against vaccine serotype 6C as no specific qualified/validated assay were available. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Concentrations of Antibodies Inhibiting Pneumococcal Pneumolysin Toxoid (Ply) Haemolysis Activity, or Hem-Ply Antibodies - For Cohort 1/Step 1 Subjects	Concentrations of Hem-Ply antibodies were expressed as geometric mean titers . The cut-off of the assay was an Hem-Ply antibody titer = 140. This outcome concerns subjects enrolled in Cohort 1/Step 1.	At Month 1, or 1 month post vaccination with pneumococcal vaccine (10PP vaccine or Prevnar 13™)
Secondary	Antibody Concentrations Against Pneumococcal Pneumolysin Toxoid (Ply) and Pneumococcal Histidine Triad Protein D (PhtD) Proteins - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Anti-Ply and anti-PhtD antibody concentrations were measured by Enzyme-linked immunosorbent assay (ELISA) immunoassay and expressed as geometric mean concentrations (GMCs), in ELISA Units per milliliter (EL.U/mL). Cut-off of the assay were concentrations higher than or equal to (=) 12 EL.U/mL for anti-Ply antibodies and = 17 EL.U/mL for anti-PhtD antibodies. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Pneumococcal Pneumolysin Toxoid (Ply) and Pneumococcal Histidine Triad Protein D (PhtD) Proteins - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Anti-Ply and anti-PhtD antibody concentrations were measured by Enzyme-linked immunosorbent assay (ELISA) immunoassay and expressed as geometric mean concentrations (GMCs), in ELISA Units per milliliter (EL.U/mL). Cut-off of the assay were concentrations higher than or equal to (=) 12 EL.U/mL for anti-Ply antibodies and = 17 EL.U/mL for anti-PhtD antibodies. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Concentrations Against Protein D (PD) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Anti-PD antibody concentrations were measured by Enzyme-linked immunosorbent assay (ELISA) immunoassay, expressed as geometric mean concentrations (GMCs), in ELISA Units per milliliter (EL.U/mL). The cut-off of the assay was anti-PD antibody concentration higher than or equal to (=) 100 EL.U/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Protein D (PD) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Anti-PD antibody concentrations were measured by Enzyme-linked immunosorbent assay (ELISA) immunoassay, expressed as geometric mean concentrations (GMCs), in ELISA Units per milliliter (EL.U/mL). The cut-off of the assay was anti-PD antibody concentration higher than or equal to (=) 100 EL.U/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 2/Step 2 Subjects Who Received the 3+0 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 2/Step 2 Subjects Who Received the 2+1 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 3 and 19A - For Cohort 2/Step 2 Subjects Who Received the 3+0 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotypes 3 and 19A - For Cohort 2/Step 2 Subjects Who Received the 2+1 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Concentrations Against Vaccine Serotype 6A - For Cohort 2/Step 2 Subjects Who Received the 3+0 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotype 6A - For Cohort 2/Step 2 Subjects Who Received the 2+1 Schedule	Antibody concentrations were measured by 22F-inhibition Enzyme-Linked ImmunoSorbent Assay (ELISA), expressed as geometric mean concentrations (GMCs), in micrograms per milliliter (µg/mL). The cut-off of the assay was an antibody concentration higher than or equal to (=) 0.05 µg/mL. This outcome concerns subjects enrolled in Cohort 2/Step 2 who received the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Concentrations Against Vaccine Serotype 6C - For Cohort 2/Step 2 Subjects Who Received the 3+0 Schedule	No analysis was performed on Enzyme-Linked ImmunoSorbent Assay (ELISA) testing for antibody concentrations against vaccine serotype 6C as no specific qualified/validated assay was available. This outcome concerns subjects enrolled in Cohort 2/Step 2.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Concentrations Against Vaccine Serotype 6C - For Cohort 2/Step 2 Subjects Who Received the 2+1 Schedule	No analysis was performed on Enzyme-Linked ImmunoSorbent Assay (ELISA) testing for antibody concentrations against vaccine serotype 6C as no specific qualified/validated assay was available. This outcome concerns subjects enrolled in Cohort 2/Step 2.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 3 and 6A - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotypes 3 and 6A - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) 8. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotype 19A - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) to the serotype-specific Lower Limit of Quantification ( = 143). This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotype 19A - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	The cut-off of the assay was a titer for opsonophagocytic activity higher than or equal to (=) to the serotype-specific Lower Limit of Quantification ( = 143). This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotype 6C - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	No analysis was performed on opsonophagocytic activity for antibody titers against vaccine serotype 6C as no specific qualified/validated assay was available. This outcome concerns subjects enrolled in Cohort 2/Step 2.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Titers for Opsonophagocytic Activity Against Vaccine Serotype 6C - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	No analysis was performed on opsonophagocytic activity for Antibody titers against vaccine serotype 6C as no specific qualified/validated assay was available. This outcome concerns subjects enrolled in Cohort 2/Step 2.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Inhibiting Pneumococcal Pneumolysin Toxoid (Ply) Haemolysis Activity, or Hem-Ply Antibodies - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	The results of analysis of the anti-Ply haemolysis activity inhibition for Cohort 2 are not presented as assay was no longer available. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Concentrations of Antibodies Inhibiting Pneumococcal Pneumolysin Toxoid (Ply) Haemolysis Activity, or Hem-Ply Antibodies - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	The results of analysis of the anti-Ply haemolysis activity inhibition for Cohort 2 are not presented as assay was no longer available. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Against Diphtheria (Anti-D) and Tetanus (Anti-T) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-D or anti-T antibody concentrations = 0.1 IU/mL.	At 1 month post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Concentrations of Antibodies Against Diphtheria (Anti-D) and Tetanus (Anti-T) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-D or anti-T antibody concentrations = 0.1 IU/mL.	At 1 month post-Dose 2 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Against Bordetella Pertussis (Anti-BPT) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seropositivity rate = Anti-BPT concentrations = 15 EL.U/mL.	At 1 month post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Concentrations of Antibodies Against Bordetella Pertussis (Anti-BPT) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seropositivity rate = Anti-BPT concentrations = 15 EL.U/mL.	At 1 month post-Dose 2 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Against Polyribosyl Ribitol Phosphate (Anti-PRP) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-PRP antibody concentrations = 0.15 µg/mL.	At 1 month post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Concentrations of Antibodies Against Polyribosyl Ribitol Phosphate (Anti-PRP) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-PRP antibody concentrations = 0.15 µg/mL.	At 1 month post-Dose 2 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Against Hepatitis B Surface Antigens (Anti-HBs) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-HB antibody concentrations = 10 mIU/mL.	At 1 month post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Concentrations of Antibodies Against Hepatitis B Surface Antigens (Anti-HBs) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-HB antibody concentrations = 10 mIU/mL.	At 1 month post-Dose 2 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Antibody Titers Against Poliovirus 1, 2 and 3 (Anti-Polio, Anti-Polio 2 and Anti-Polio 3) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-Polio titers = 8.	At 1 month post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Antibody Titers Against Poliovirus 1, 2 and 3 (Anti-Polio, Anti-Polio 2 and Anti-Polio 3) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-Polio titers = 8.	At 1 month post-Dose 2 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Concentrations of Antibodies Against Measles (Anti-Measles) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-Measles antibody concentrations = 150 mIU/mL.	At 3 months (Mth) post-vaccination with Stamaril™/M-Vac™
Secondary	Concentrations of Antibodies Against Measles (Anti-Measles) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-Measles antibody concentrations = 150 mIU/mL.	At 3 months (Mth) post-vaccination with Stamaril™/M-Vac™
Secondary	Titers of Antibodies Against Yellow Fever (Anti-YF) - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule. Seroprotection rate = Anti-yellow fever antibody titers = 10.	At 3 months (Mth) post-vaccination with Stamaril™/M-Vac™
Secondary	Titers of Antibodies Against Yellow Fever (Anti-YF) - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule. Seroprotection rate = Anti-yellow fever antibody titers = 10.	At 3 months (Mth) post-vaccination with Stamaril™/M-Vac™
Secondary	Number of Subjects With Any and Grade 3 Solicited Local Symptoms - For Cohort2/Step 2 Subjects Receiving the 3+0 Schedule.	Assessed local symptoms were pain, redness and swelling. Any = Occurrence of the specified solicited local symptom, regardless of intensity. Grade 3 Pain = Crying when limb was moved/spontaneously painful. Grade 3 Redness/Swelling = Redness/swelling at injection site larger than (>) 30 millimeters (mm). This outcome concerns Cohort2/Step 2 subjects receiving the 3+0 Schedule.	Within the 4-day (Days 0-3) periods post vaccination with 3 doses of pneumococcal vaccine (10PP vaccine, Synflorix™ or Prevnar 13™), across doses
Secondary	Number of Subjects With Any and Grade 3 Solicited Local Symptoms - For Cohort2/Step 2 Subjects Receiving the 2+1 Schedule.	Assessed local symptoms were pain, redness and swelling. Any = Occurrence of the specified solicited local symptom, regardless of intensity. Grade 3 Pain = Crying when limb was moved/spontaneously painful. Grade 3 Redness/Swelling = Redness/swelling at injection site larger than (>) 30 millimeters (mm). This outcome concerns Cohort2/Step 2 subjects receiving the 2+1 Schedule.	Within the 4-day (Days 0-3) periods post vaccination with the 2 first doses of pneumococcal vaccine (10PP vaccine or Synflorix™), across doses
Secondary	Number of Subjects With Any and Grade 3 Solicited Local Symptoms - For Cohort2/Step 2 Subjects Receiving the 2+1 Schedule.	Assessed local symptoms were pain, redness and swelling. Any = Occurrence of the specified solicited local symptom, regardless of intensity. Grade 3 Pain = Crying when limb was moved/spontaneously painful. Grade 3 Redness/Swelling = Redness/swelling at injection site larger than (>) 30 millimeters (mm). This outcome concerns Cohort2/Step 2 subjects receiving the 2+1 Schedule.	Within the 4-day (Days 0-3) period post vaccination with Dose 3 of pneumococcal vaccine (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Any and Grade 3 Solicited General Symptoms and With Solicited General Symptoms With Relationship to Vaccination - For Step 2/Cohort 2 Subjects Receiving the 3+0 Schedule	Assessed solicited general symptoms were Drowsiness, Fever (axillary temperature higher than [=] 37.5 degrees Celsius [°C]), Irritability/Fussiness and Loss of appetite. Any = Occurrence of the specified solicited general symptom, regardless of intensity. Related = Occurrence of the specified symptom assessed by the investigators as causally related to vaccination. Grade 3 Drowsiness = Drowsiness that prevented normal activity. Grade 3 Fever = Axillary temperature higher than (>) 39.5°C. Grade 3 Irritability/fussiness = Crying that could not be comforted/prevented normal activity. Grade 3 Loss of appetite = Subject did not eat at all. This outcome concerns Step 2/Cohort 2 subjects receiving the 3+0 Schedule.	Within the 4-day (Days 0-3) periods post vaccination with 3 doses of pneumococcal vaccine (10PP vaccine, Synflorix™ or Prevnar 13™), across doses
Secondary	Number of Subjects With Any and Grade 3 Solicited General Symptoms and With Solicited General Symptoms With Relationship to Vaccination - For Step 2/Cohort 2 Subjects Receiving the 2+1 Schedule	Assessed solicited general symptoms were Drowsiness, Fever (axillary temperature higher than [=] 37.5 degrees Celsius [°C]), Irritability/Fussiness and Loss of appetite. Any = Occurrence of the specified solicited general symptom, regardless of intensity. Related = Occurrence of the specified symptom assessed by the investigators as causally related to vaccination. Grade 3 Drowsiness = Drowsiness that prevented normal activity. Grade 3 Fever = Axillary temperature higher than (>) 39.5°C. Grade 3 Irritability/fussiness = Crying that could not be comforted/prevented normal activity. Grade 3 Loss of appetite = Subject did not eat at all. This outcome concerns Step 2/Cohort 2 subjects receiving the 2+1 Schedule.	Within the 4-day (Days 0-3) periods post vaccination with the 2 first doses of pneumococcal vaccine (10PP vaccine or Synflorix™), across doses
Secondary	Number of Subjects With Any and Grade 3 Solicited General Symptoms and With Solicited General Symptoms With Relationship to Vaccination - For Step 2/Cohort 2 Subjects Receiving the 2+1 Schedule	Assessed solicited general symptoms were Drowsiness, Fever (axillary temperature higher than [=] 37.5 degrees Celsius [°C]), Irritability/Fussiness and Loss of appetite. Any = Occurrence of the specified solicited general symptom, regardless of intensity. Related = Occurrence of the specified symptom assessed by the investigators as causally related to vaccination. Grade 3 Drowsiness = Drowsiness that prevented normal activity. Grade 3 Fever = Axillary temperature higher than (>) 39.5°C. Grade 3 Irritability/fussiness = Crying that could not be comforted/prevented normal activity. Grade 3 Loss of appetite = Subject did not eat at all. This outcome concerns Step 2/Cohort 2 subjects receiving the 2+1 Schedule.	Within the 4-day (Days 0-3) period post vaccination with Dose 3 of pneumococcal vaccine (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Any Unsolicited Adverse Events (AEs) - For Step 2/Cohort 2 Subjects Receiving the 3+0 Schedule	An unsolicited AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e. lack of efficacy), abuse or misuse. Any = Occurrence of an unsolicited AE, regardless of intensity or relationship to vaccination. This outcome concerns Step 2/Cohort 2 subjects receiving the 3+0 Schedule.	Within the 31-day (Days 0-30) periods post vaccination with 3 doses of pneumococcal vaccine (10PP vaccine, Synflorix™ or Prevnar 13™), across doses
Secondary	Number of Subjects With Any Unsolicited Adverse Events (AEs) - For Step 2/Cohort 2 Subjects Receiving the 2+1 Schedule	An unsolicited AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e. lack of efficacy), abuse or misuse. Any = Occurrence of an unsolicited AE, regardless of intensity or relationship to vaccination. This outcome concerns Step 2/Cohort 2 subjects receiving the 2+1 Schedule.	Within the 31-day (Days 0-30) periods post vaccination with the first 2 doses of pneumococcal vaccine (10PP vaccine or Synflorix™), across doses
Secondary	Number of Subjects With Any Unsolicited Adverse Events (AEs) - For Step 2/Cohort 2 Subjects Receiving the 2+1 Schedule	An unsolicited AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e. lack of efficacy), abuse or misuse. Any = Occurrence of an unsolicited AE, regardless of intensity or relationship to vaccination. This outcome concerns Step 2/Cohort 2 subjects receiving the 2+1 Schedule.	Within the 31-day (Days 0-30) period post vaccination with Dose 3 of pneumococcal vaccine (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Any Serious Adverse Events (SAEs) - For Step 2/Cohort 2 Subjects Receiving the 3+0 Schedule	SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity. These should also be considered serious: invasive or malignant cancers, intensive treatment in an emergency room or at home for allergic bronchospasm, blood dyscrasias or convulsions that do not result in hospitalisation. Any = Occurrence of an SAE, regardless of relationship to vaccination. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	From Day 0 to Month 10
Secondary	Number of Subjects With Any Serious Adverse Events (SAEs) - For Step 2/Cohort 2 Subjects Receiving the 2+1 Schedule	SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity. These should also be considered serious: invasive or malignant cancers, intensive treatment in an emergency room or at home for allergic bronchospasm, blood dyscrasias or convulsions that do not result in hospitalisation. Any = Occurrence of an SAE, regardless of relationship to vaccination. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	From Day 0 to Month 10
Secondary	Number of Subjects With Streptococcus Pneumoniae (Any) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Numbers of subjects with positive nasopharyngeal sample were calculated per group, at each swab time point. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Streptococcus Pneumoniae (Any) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Numbers of subjects with positive nasopharyngeal sample were calculated per group, at each swab time point. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Streptococcus Pneumoniae (10Pn-PD-DiT Vaccine Serotypes) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Numbers of subjects with positive nasopharyngeal sample were calculated per group, at each swab time point. A Streptococcus. Pneumoniae (S. pn). vaccine pneumococcal serotype was defined as any of the pneumococcal S. pn. vaccine serotypes, e. a. serotypes 1, 3, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Streptococcus Pneumoniae (10Pn-PD-DiT Vaccine Serotypes) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Numbers of subjects with positive nasopharyngeal sample were calculated per group, at each swab time point. A Streptococcus. Pneumoniae (S. pn). vaccine pneumococcal serotype was defined as any of the pneumococcal S. pn. vaccine serotypes, e. a. serotypes 1, 3, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Streptococcus Pneumoniae (Synflorix Related Serotypes) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Related serotype = any serotype belonging to the same serogroup as the Synflorix vaccine serotypes, but different from the vaccine serotypes, was considered for the analyses of carriage of S. pneumoniae cross-related serotypes. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Streptococcus Pneumoniae (Synflorix Related Serotypes) in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Related serotype = any serotype belonging to the same serogroup as the Synflorix vaccine serotypes, but different from the vaccine serotypes, was considered for the analyses of carriage of S. pneumoniae cross-related serotypes. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Haemophilus Influenzae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Haemophilus Influenzae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Moraxella Catarrhalis in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Moraxella Catarrhalis in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Group A Streptococcus in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed.This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Group A Streptococcus in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Staphylococcus Aureus in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine, Synflorix™ or Prevnar 13™)
Secondary	Number of Subjects With Staphylococcus Aureus in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	Positive cultures of other bacterial pathogens [such as S. aureus, Streptococcus pyogenes (Group A streptococci) and Moraxella catarrhalis] identified in the nasopharynx were analyzed. This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Non-vaccine Serotypes/Serogroups of Streptococcus Pneumoniae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Non-vaccine Serotypes/Serogroups of Streptococcus Pneumoniae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Any New Streptococcus Pneumoniae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Any New Streptococcus Pneumoniae in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Haemophilus Influenzae Strains Identified With Polymerase Chain Reaction Differentiation in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 3+0 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 3+0 Schedule.	At 1, 5 and 8 months (Mth) post-Dose 3 of pneumococcal vaccine administered (10PP vaccine or Synflorix™)
Secondary	Number of Subjects With Acquisition of Haemophilus Influenzae Strains Identified With Polymerase Chain Reaction Differentiation in the Nasopharynx - For Cohort 2/Step 2 Subjects Receiving the 2+1 Schedule	This outcome concerns subjects enrolled in Cohort 2/Step 2 receiving the 2+1 Schedule.	At 1 and 5 months (Mth) post-Dose 2, and at 3 months post-Dose 3 of the pneumococcal vaccine administered (10PP vaccine or Synflorix™)

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