Persistence of antibodies after GSK Biologicals’ meningococcal vaccine GSK134612 in healthy children
Trial overview
Persistence of antibodies with respect to components of the investigational vaccine in terms of antibody titres.
Timeframe: 2, 3, 4, 5, 6 years after booster vaccination.
Persistence of antibodies with respect to components of the investigational vaccine in terms of antibody titres.
Timeframe: 2, 3, 4, 5, 6 years after booster vaccination.
Serious adverse events (SAEs).
Timeframe: From the subject’s last visit in study MENACWY-TT-048 EXT: 039 Y2, 3, 4, 5 (NCT00955682) up to each yearly visit in the current study (i.e. 2, 3, 4, 5 and 6 years post booster vaccination).
- All subjects must satisfy ALL the following criteria at study entry:
- Subjects’ parent(s)/Legally Acceptable Representative(s) [LAR(s)] who, in the opinion of the investigator, can and will comply with the requirements of the protocol.
- The following criteria should be checked at the time of study entry. If ANY exclusion criterion applies, the subject must not be included in the study:
- Child in care.
- Subjects’ parent(s)/Legally Acceptable Representative(s) [LAR(s)] who, in the opinion of the investigator, can and will comply with the requirements of the protocol.
- A male or female who has received primary and booster vaccination with the MenACWY-TT or Meningitec vaccines in studies MENACWY-TT-039 (109670) and MENACWY-TT-048 EXT: 039 Y2, 3, 4, 5 (112036), respectively.
- Written informed consent obtained from the parent(s)/LAR(s) of the subject.
- Healthy subjects as established by medical history and clinical examination before entering into the study.
All subjects must satisfy ALL the following criteria at study entry:
- Child in care.
- History of meningococcal disease.
- Administration of a meningococcal polysaccharide or a meningococcal polysaccharide conjugate vaccine outside of studies MENACWY-TT-039 (109670) and MENACWY-TT-048 EXT: 039 Y2, 3, 4, 5 (112036).
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
- Bleeding disorders, such as thrombocytopenia, or subjects on anti-coagulant therapy.
The following criteria should be checked at the time of study entry. If ANY exclusion criterion applies, the subject must not be included in the study:
Trial location(s)
Study documents
No study documents available.
Results overview
Study Results yet to be posted
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.