Immunogenicity and safety of booster dose of PoliorixTM vaccine in previously vaccinated toddlers
Trial overview
Number of subjects seroprotected for poliovirus types 1, 2 and 3 antibodies above the cut-off value
Timeframe: One month after Poliorix™ booster vaccination.
Number of subjects seroprotected for poliovirus types 1, 2 and 3 antibodies above the cut-off value
Timeframe: Before booster vaccination.
Antibody titers against poliovirus type 1, 2 and 3
Timeframe: One month after Poliorix™ booster vaccination.
Antibody titers against poliovirus type 1, 2 and 3.
Timeframe: Before booster vaccination.
Number of subjects with any and grade 3 solicited local symptoms
Timeframe: Within 4-days (Days 0-3) post Poliorix™ booster vaccination.
Number of subjects with any, grade 3 and related solicited general symptoms.
Timeframe: Within 4-days (Days 0-3) post Poliorix™ booster vaccination.
Number of subjects reporting any unsolicited adverse events (AEs)
Timeframe: Within the 31-day (Days 0-30) follow-up period after the Poliorix™ booster vaccination.
Number of subjects with serious adverse events (SAEs)
Timeframe: During the entire study period (Day 0 to Month 1).
- Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) can and will comply with the requirements of the protocol.
- Subjects who received the complete three-dose primary vaccination course in study NCT01021293.
- Child in care.
- Use of any investigational or non-registered product other than the study vaccine(s) within 30 days preceding the booster dose of study vaccine(s), or planned use during the study period.
- Subjects who received the complete three-dose primary vaccination course in study NCT01021293.
- Healthy male or female toddlers 18 to 24 months of age at the time of Visit 1 (Day 0).
- Written informed consent obtained from the parent(s)/ Legally Acceptable Representative(s) of the subject.
- Healthy subjects as established by medical history and clinical examination before entering into the study.
Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) can and will comply with the requirements of the protocol.
- Use of any investigational or non-registered product other than the study vaccine(s) within 30 days preceding the booster dose of study vaccine(s), or planned use during the study period.
- Chronic administration of immunosuppressants or other immune-modifying drugs within six months prior to Visit 1 (Day 0).
- Administration of immunoglobulins and/or any blood products within the 3 months preceding Visit 1 (Day 0) or planned administration during the study period.
- Administration of a vaccine not foreseen by the study protocol within 30 days of Visit 1 (Day 0) or planned administration during the study period.
- 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.
- Evidence of previous booster vaccination against poliomyelitis or the disease since the conclusion visit of Study NCT01021293.
- History of seizures or progressive neurological disease.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
- History of any reaction or hypersensitivity likely to be exacerbated by any component of the vaccine.
- Major congenital defects or serious chronic illness.
- Acute disease and/or fever at the time of enrolment.
Child in care.
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.