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Immunogenicity and Safety of GSK Biologicals' Infanrix/Hib in Children

Immunogenicity and Reactogenicity Study of GlaxoSmithKline Biologicals' Infanrix™/Hib Vaccine Administered as a Booster Dose to 18-24 Months Old Children

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00696423
Enrollment
467
Registered
2008-06-12
Start date
2008-06-07
Completion date
2008-07-26
Last updated
2018-06-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acellular Pertussis, Diphtheria, Tetanus

Keywords

Infanrix/Hib, Chinese children

Brief summary

This protocol posting deals with objectives & outcome measures of the booster phase. The objectives & outcome measures of the primary phase are presented in a separate protocol posting (NCT number = NCT00412854). This Phase IIIB study will compare GSK Biologicals' DTPa/Hib vaccine to separately administered DTPa and Hib vaccines in Chinese children 18 to 24 months of age, in terms of safety and immunogenicity.

Interventions

BIOLOGICALInfanrix™

Intramuscular injection, one dose

BIOLOGICALHiberix™

Intramuscular injection, one dose

Sponsors

GlaxoSmithKline
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Months to 24 Months
Healthy volunteers
Yes

Inclusion criteria

* Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol should be enrolled in the study. * Subjects should have completed the full three-dose primary vaccination course in study 104567. * A male or female child between, and including, 18 and 24 months of age at the time of the booster vaccination. * Written informed consent obtained from the parent or guardian of the subject. * Healthy subjects as established by medical history and clinical examination before entering into the study.

Exclusion criteria

* Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding booster vaccination, or planned use during the study period. * Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the booster dose. * Administration of a vaccine not foreseen by the study protocol within 30 days prior to vaccination, or planned administration during the study period, with the exception of measles or combined measles, mumps and rubella (MMR) vaccination. * 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 booster vaccination against diphtheria, tetanus, pertussis and/or Haemophilus influenzae type b diseases since the end of the primary study. * History of diphtheria, tetanus, pertussis and/or Haemophilus influenzae type b diseases. * Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination. * A family history of congenital or hereditary immunodeficiency. * History of allergic disease or reactions likely to be exacerbated by any component of the vaccine(s). * Major congenital defects or serious chronic illness. * History of any progressive neurological disorders or seizures. * Acute disease and/or fever at time of enrolment. * Administration of immunoglobulins and/or any blood products within the three months preceding the booster dose or planned administration during the study period. * Occurrence of any of the following adverse events (AEs) after previous administration of a diphtheria-tetanus-pertussis (DTP) vaccine: * Hypersensitivity reaction due to any component of the vaccine. * Encephalopathy. * Fever ≥ 40.0 °C (axillary temperature) within 48 hours of vaccination. * Collapse or shock-like state within 48 hours of vaccination. * Persistent, inconsolable crying occurring within 48 hours of vaccination and lasting ≥ 3 hours. * Seizures with or without fever occurring within 3 days of vaccination.

Design outcomes

Primary

MeasureTime frameDescription
Anti-polyribosyl-ribitol-phosphate (PRP) Antibody ConcentrationsOne month after booster vaccinationGeometric mean concentrations are given in microgram per milliliter (μg/mL).
Anti-diphtheria Toxoid Antibody ConcentrationsOne month after booster vaccinationGeometric mean concentrations are given in international Unit per milliliter (IU/mL).
Anti-tetanus Toxoid Antibody ConcentrationsOne month after booster vaccinationGeometric mean concentrations are given in IU/mL.
Anti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsOne month after booster vaccinationGeometric mean concentrations are given in Enzyme-Linked Immuno Sorbent Assay (ELISA) unit per milliliter (EL.U/mL).
The Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesOne month after booster vaccinationAssay cut-offs indicating seroprotection or seropositivity for the different antigens were the following: anti-PRP antibody concentrations ≥ 0.15 µg/mL, anti-diphtheria and anti-tetanus antibody concentrations ≥ 0.1 IU/mL, anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 20 EL.U/mL.

Secondary

MeasureTime frameDescription
Number of Subjects Reporting Solicited Local and General SymptomsDuring the 4-day follow-up period after booster vaccinationSolicited local symptoms assessed include pain, redness and swelling. Solicited general symptoms assessed include drowsiness, fever, irritability, and loss of appetite.
Anti-PRP Antibody ConcentrationsBefore booster vaccinationGeometric mean concentrations are given in μg/mL.
Number of Subjects Reporting Serious Adverse Events (SAE)During the 31-day follow-up period after booster vaccinationAn SAE is any untoward medical occurrence that: results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in isability/incapacity, is a congenital anomaly/birth defect in the offspring of a study subject, or may evolve into one of the outcomes listed above.
Number of Subjects Reporting Unsolicited Adverse Events (AE)During the 31-day follow-up period after booster vaccinationAn 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.
Anti-diphtheria Toxoid Antibody ConcentrationsBefore booster vaccinationGeometric mean concentrations are given in IU/mL.
Anti-tetanus Toxoid Antibody ConcentrationsBefore booster vaccinationGeometric mean concentrations are given in IU/mL.
Anti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsBefore booster vaccinationGeometric mean concentrations are given in EL.U/mL.
The Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesBefore booster vaccinationAssay cut-offs indicating seroprotection or seropositivity for the different antigens were the following: anti-PRP antibody concentrations ≥ 0.15 µg/mL, anti-diphtheria and anti-tetanus antibody concentrations ≥ 0.1 IU/mL, anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 20 EL.U/mL.

Countries

China

Participant flow

Participants by arm

ArmCount
Infanrix/Hib Single Injection Group
Subjects received 1 dose of Infanrix extemporaneously mixed with Hiberix.
244
Infanrix + Hiberix Separate Injection Group
Subjects received two separate injections, one of Infanrix and one of Hiberix.
223
Total467

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyLost to Follow-up05

Baseline characteristics

CharacteristicInfanrix + Hiberix Separate Injection GroupTotalInfanrix/Hib Single Injection Group
Age, Continuous19.2 months
STANDARD_DEVIATION 0.75
19.2 months
STANDARD_DEVIATION 0.77
19.2 months
STANDARD_DEVIATION 0.79
Sex: Female, Male
Female
111 Participants224 Participants113 Participants
Sex: Female, Male
Male
112 Participants243 Participants131 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
133 / 244127 / 223
serious
Total, serious adverse events
1 / —3 / —

Outcome results

Primary

Anti-diphtheria Toxoid Antibody Concentrations

Geometric mean concentrations are given in international Unit per milliliter (IU/mL).

Time frame: One month after booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-diphtheria Toxoid Antibody Concentrations0.945 IU/mL
Infanrix + Hiberix Separate Injection GroupAnti-diphtheria Toxoid Antibody Concentrations0.926 IU/mL
Primary

Anti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody Concentrations

Geometric mean concentrations are given in Enzyme-Linked Immuno Sorbent Assay (ELISA) unit per milliliter (EL.U/mL).

Time frame: One month after booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-PT52.2 EL.U/mL
Infanrix/Hib Single Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-FHA93.3 EL.U/mL
Infanrix/Hib Single Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-PRN235.9 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-PT55.8 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-FHA92.8 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody ConcentrationsAnti-PRN241.6 EL.U/mL
Primary

Anti-polyribosyl-ribitol-phosphate (PRP) Antibody Concentrations

Geometric mean concentrations are given in microgram per milliliter (μg/mL).

Time frame: One month after booster vaccination

Population: Analysis was performed on the According To Protocol (ATP) cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-polyribosyl-ribitol-phosphate (PRP) Antibody Concentrations34.428 μg/mL
Infanrix + Hiberix Separate Injection GroupAnti-polyribosyl-ribitol-phosphate (PRP) Antibody Concentrations132.075 μg/mL
Primary

Anti-tetanus Toxoid Antibody Concentrations

Geometric mean concentrations are given in IU/mL.

Time frame: One month after booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-tetanus Toxoid Antibody Concentrations7.455 IU/mL
Infanrix + Hiberix Separate Injection GroupAnti-tetanus Toxoid Antibody Concentrations10.104 IU/mL
Primary

The Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN Antibodies

Assay cut-offs indicating seroprotection or seropositivity for the different antigens were the following: anti-PRP antibody concentrations ≥ 0.15 µg/mL, anti-diphtheria and anti-tetanus antibody concentrations ≥ 0.1 IU/mL, anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 20 EL.U/mL.

Time frame: One month after booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureGroupValue (NUMBER)
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against PRP (n=238, 216)238 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against diphtheria (n=237, 214)237 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against tetanus (n=237, 214)237 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PT (n=239, 216)226 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-FHA (n=239, 216)238 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PRN (n=239, 216)239 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-FHA (n=239, 216)216 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against PRP (n=238, 216)216 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PT (n=239, 216)213 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against diphtheria (n=237, 214)214 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PRN (n=239, 216)215 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against tetanus (n=237, 214)214 subjects
Secondary

Anti-diphtheria Toxoid Antibody Concentrations

Geometric mean concentrations are given in IU/mL.

Time frame: Before booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-diphtheria Toxoid Antibody Concentrations0.055 IU/mL
Infanrix + Hiberix Separate Injection GroupAnti-diphtheria Toxoid Antibody Concentrations0.054 IU/mL
Secondary

Anti-PRP Antibody Concentrations

Geometric mean concentrations are given in μg/mL.

Time frame: Before booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-PRP Antibody Concentrations1.240 μg/mL
Infanrix + Hiberix Separate Injection GroupAnti-PRP Antibody Concentrations2.461 μg/mL
Secondary

Anti-PT, Anti-FHA and Anti-PRN Antibody Concentrations

Geometric mean concentrations are given in EL.U/mL.

Time frame: Before booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-FHA10.1 EL.U/mL
Infanrix/Hib Single Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-PRN10.2 EL.U/mL
Infanrix/Hib Single Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-PT10.0 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-PT10.0 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-FHA10.3 EL.U/mL
Infanrix + Hiberix Separate Injection GroupAnti-PT, Anti-FHA and Anti-PRN Antibody ConcentrationsAnti-PRN10.3 EL.U/mL
Secondary

Anti-tetanus Toxoid Antibody Concentrations

Geometric mean concentrations are given in IU/mL.

Time frame: Before booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureValue (GEOMETRIC_MEAN)
Infanrix/Hib Single Injection GroupAnti-tetanus Toxoid Antibody Concentrations0.219 IU/mL
Infanrix + Hiberix Separate Injection GroupAnti-tetanus Toxoid Antibody Concentrations0.311 IU/mL
Secondary

Number of Subjects Reporting Serious Adverse Events (SAE)

An SAE is any untoward medical occurrence that: results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in isability/incapacity, is a congenital anomaly/birth defect in the offspring of a study subject, or may evolve into one of the outcomes listed above.

Time frame: During the 31-day follow-up period after booster vaccination

ArmMeasureValue (NUMBER)
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Serious Adverse Events (SAE)1 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Serious Adverse Events (SAE)3 subjects
Secondary

Number of Subjects Reporting Solicited Local and General Symptoms

Solicited local symptoms assessed include pain, redness and swelling. Solicited general symptoms assessed include drowsiness, fever, irritability, and loss of appetite.

Time frame: During the 4-day follow-up period after booster vaccination

Population: Analysis was performed on subjects from the Total Vaccinated Cohort with a documented dose.

ArmMeasureGroupValue (NUMBER)
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsSwelling9 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsFever73 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsRedness16 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsIrritability43 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsDrowsiness26 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsLoss of appetite40 subjects
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsPain26 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsLoss of appetite39 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsPain26 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsRedness8 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsSwelling1 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsDrowsiness20 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsFever93 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Solicited Local and General SymptomsIrritability46 subjects
Secondary

Number of Subjects Reporting Unsolicited Adverse Events (AE)

An 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.

Time frame: During the 31-day follow-up period after booster vaccination

ArmMeasureValue (NUMBER)
Infanrix/Hib Single Injection GroupNumber of Subjects Reporting Unsolicited Adverse Events (AE)66 subjects
Infanrix + Hiberix Separate Injection GroupNumber of Subjects Reporting Unsolicited Adverse Events (AE)56 subjects
Secondary

The Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN Antibodies

Assay cut-offs indicating seroprotection or seropositivity for the different antigens were the following: anti-PRP antibody concentrations ≥ 0.15 µg/mL, anti-diphtheria and anti-tetanus antibody concentrations ≥ 0.1 IU/mL, anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 20 EL.U/mL.

Time frame: Before booster vaccination

Population: Analysis was performed on the ATP cohort for immunogenicity.

ArmMeasureGroupValue (NUMBER)
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against PRP (n= 237, 216)236 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against diphtheria (n= 237, 214)21 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against tetanus (n= 237, 214)209 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PT (n= 239, 216)0 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-FHA (n= 239, 216)2 subjects
Infanrix/Hib Single Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PRN (n= 239, 216)3 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-FHA (n= 239, 216)3 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against PRP (n= 237, 216)216 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PT (n= 239, 216)1 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against diphtheria (n= 237, 214)16 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeropositivity for anti-PRN (n= 239, 216)4 subjects
Infanrix + Hiberix Separate Injection GroupThe Number of Subjects Seroprotected for Anti-PRP, Anti-diphtheria and Anti-tetanus Antibodies and Seropositive for Anti-PT, Anti-FHA and Anti-PRN AntibodiesSeroprotection against tetanus (n= 237, 214)198 subjects

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026