Last reviewed · How we verify

NCT00696423

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

Completed Phase 3 Results posted Last updated 6 June 2018
What this trial tests

Phase 3 trial testing Infanrix™ in Acellular Pertussis in 467 participants. Completed in 26 July 2008.

Timeline
7 June 2008
Primary endpoint
26 July 2008
26 July 2008

Quick facts

Lead sponsorGlaxoSmithKline
PhasePhase 3
StatusCompleted
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposeprevention
Enrollment467
Start date7 June 2008
Primary completion26 July 2008
Estimated completion26 July 2008
Sites3 locations across China

Drugs / interventions tested

Conditions studied

Sponsor

GlaxoSmithKline — full company profile →

Who can join

Adults 18 Months to 24 Months, any sex, with Acellular Pertussis or Diphtheria. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Anti-polyribosyl-ribitol-phosphate (PRP) Antibody Concentrations Primary · One month after booster vaccination

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

GroupValue95% CI
Infanrix/Hib Single Injection Group34.42829.452 – 40.244
Infanrix + Hiberix Separate Injection Group132.075112.563 – 154.970
Anti-diphtheria Toxoid Antibody Concentrations Primary · One month after booster vaccination

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

GroupValue95% CI
Infanrix/Hib Single Injection Group0.9450.905 – 0.987
Infanrix + Hiberix Separate Injection Group0.9260.887 – 0.966
Anti-tetanus Toxoid Antibody Concentrations Primary · One month after booster vaccination

Geometric mean concentrations are given in IU/mL.

GroupValue95% CI
Infanrix/Hib Single Injection Group7.4556.881 – 8.077
Infanrix + Hiberix Separate Injection Group10.1049.080 – 11.242
Anti-pertussis Toxoid (PT), Anti-filamentous Haemagglutinin (FHA) and Anti-pertactin (PRN) Antibody Concentrations Primary · One month after booster vaccination

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

Anti-PT
GroupValue95% CI
Infanrix/Hib Single Injection Group52.248.1 – 56.7
Infanrix + Hiberix Separate Injection Group55.851.7 – 60.3
Anti-FHA
GroupValue95% CI
Infanrix/Hib Single Injection Group93.382.6 – 105.4
Infanrix + Hiberix Separate Injection Group92.883.3 – 103.4
Anti-PRN
GroupValue95% CI
Infanrix/Hib Single Injection Group235.9208.7 – 266.5
Infanrix + Hiberix Separate Injection Group241.6213.6 – 273.2
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 Primary · One month after booster vaccination

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.

Seroprotection against PRP (n=238, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group238
Infanrix + Hiberix Separate Injection Group216
Seroprotection against diphtheria (n=237, 214)
GroupValue95% CI
Infanrix/Hib Single Injection Group237
Infanrix + Hiberix Separate Injection Group214
Seroprotection against tetanus (n=237, 214)
GroupValue95% CI
Infanrix/Hib Single Injection Group237
Infanrix + Hiberix Separate Injection Group214
Seropositivity for anti-PT (n=239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group226
Infanrix + Hiberix Separate Injection Group213
Seropositivity for anti-FHA (n=239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group238
Infanrix + Hiberix Separate Injection Group216
Seropositivity for anti-PRN (n=239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group239
Infanrix + Hiberix Separate Injection Group215
Anti-PRP Antibody Concentrations Secondary · Before booster vaccination

Geometric mean concentrations are given in μg/mL.

GroupValue95% CI
Infanrix/Hib Single Injection Group1.2401.085 – 1.418
Infanrix + Hiberix Separate Injection Group2.4612.136 – 2.837
Anti-diphtheria Toxoid Antibody Concentrations Secondary · Before booster vaccination

Geometric mean concentrations are given in IU/mL.

GroupValue95% CI
Infanrix/Hib Single Injection Group0.0550.053 – 0.058
Infanrix + Hiberix Separate Injection Group0.0540.052 – 0.057
Anti-tetanus Toxoid Antibody Concentrations Secondary · Before booster vaccination

Geometric mean concentrations are given in IU/mL.

GroupValue95% CI
Infanrix/Hib Single Injection Group0.2190.195 – 0.247
Infanrix + Hiberix Separate Injection Group0.3110.274 – 0.353
Anti-PT, Anti-FHA and Anti-PRN Antibody Concentrations Secondary · Before booster vaccination

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

Anti-PT
GroupValue95% CI
Infanrix/Hib Single Injection Group10.010.0 – 10.0
Infanrix + Hiberix Separate Injection Group10.010.0 – 10.1
Anti-FHA
GroupValue95% CI
Infanrix/Hib Single Injection Group10.110.0 – 10.2
Infanrix + Hiberix Separate Injection Group10.39.9 – 10.7
Anti-PRN
GroupValue95% CI
Infanrix/Hib Single Injection Group10.210.0 – 10.4
Infanrix + Hiberix Separate Injection Group10.310.0 – 10.5
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 Secondary · Before booster vaccination

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.

Seroprotection against PRP (n= 237, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group236
Infanrix + Hiberix Separate Injection Group216
Seroprotection against diphtheria (n= 237, 214)
GroupValue95% CI
Infanrix/Hib Single Injection Group21
Infanrix + Hiberix Separate Injection Group16
Seroprotection against tetanus (n= 237, 214)
GroupValue95% CI
Infanrix/Hib Single Injection Group209
Infanrix + Hiberix Separate Injection Group198
Seropositivity for anti-PT (n= 239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group0
Infanrix + Hiberix Separate Injection Group1
Seropositivity for anti-FHA (n= 239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group2
Infanrix + Hiberix Separate Injection Group3
Seropositivity for anti-PRN (n= 239, 216)
GroupValue95% CI
Infanrix/Hib Single Injection Group3
Infanrix + Hiberix Separate Injection Group4
Number of Subjects Reporting Solicited Local and General Symptoms Secondary · During the 4-day follow-up period after booster vaccination

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

Pain
GroupValue95% CI
Infanrix/Hib Single Injection Group26
Infanrix + Hiberix Separate Injection Group26
Redness
GroupValue95% CI
Infanrix/Hib Single Injection Group16
Infanrix + Hiberix Separate Injection Group8
Swelling
GroupValue95% CI
Infanrix/Hib Single Injection Group9
Infanrix + Hiberix Separate Injection Group1
Drowsiness
GroupValue95% CI
Infanrix/Hib Single Injection Group26
Infanrix + Hiberix Separate Injection Group20
Fever
GroupValue95% CI
Infanrix/Hib Single Injection Group73
Infanrix + Hiberix Separate Injection Group93
Irritability
GroupValue95% CI
Infanrix/Hib Single Injection Group43
Infanrix + Hiberix Separate Injection Group46
Loss of appetite
GroupValue95% CI
Infanrix/Hib Single Injection Group40
Infanrix + Hiberix Separate Injection Group39
Number of Subjects Reporting Unsolicited Adverse Events (AE) Secondary · During the 31-day follow-up period after booster vaccination

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.

GroupValue95% CI
Infanrix/Hib Single Injection Group66
Infanrix + Hiberix Separate Injection Group56

Adverse events — posted to ClinicalTrials.gov

Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Infanrix/Hib Single Injection Group
Serious: 1
Deaths:
Infanrix + Hiberix Separate Injection Group
Serious: 3
Deaths:

Serious adverse events (2 terms)

ReactionSystemInfanrix/Hib Single Inject…Infanrix + Hiberix Separat…
BronchopneumoniaInfections and infestations
BronchitisInfections and infestations
Other adverse events (7 terms — click to expand)

ReactionSystemInfanrix/Hib Single Inject…Infanrix + Hiberix Separat…
FeverGeneral disorders
IrritabilityGeneral disorders
Loss of appetiteGeneral disorders
NasopharyngitisInfections and infestations
Pain at injection siteGeneral disorders
DrowsinessGeneral disorders
Redness at injection siteGeneral disorders

Most-reported serious reactions: Bronchopneumonia, Bronchitis.

Data from ClinicalTrials.gov NCT00696423 adverse events section.

Sponsor's own description

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.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

Verify or expand the search:

Other trials of Infanrix™

Trials testing the same drug.

Other GlaxoSmithKline trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT00696423.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing