Safety, immunogenicity study of GSK Biologicals’ pandemic influenza candidate vaccine (H1N1) (GSK2340272A)
Trial overview
Number of seropositive subjects for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 0
Number of seropositive subjects for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 42
Titers for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 0
Titers for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 42
Number of seroconverted subjects in terms of H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 42
Number of seroprotected subjects for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Day 42
Seroconversion factor (SCF) for H1N1 Haemagglutination Inhibition (HI) antibody titers
Timeframe: At Day 42
Number of seropositive subjects for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Days 0, 21, 42, and at Month 11-12
Titers for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Days 0, 21, 42 and at Month 11-12
Number of seroconverted subjects in terms of H1N1 Haemagglutination Inhibition (HI) antibody titers
Timeframe: At Days 21, 42 and at Month 11-12
Number of seroprotected subjects for H1N1 Haemagglutination Inhibition (HI) antibodies
Timeframe: At Days 0, 21, 42 and at Month 11-12
Seroconversion factor (SCF) for H1N1 Haemagglutination Inhibition (HI) antibody titers
Timeframe: At Days 21, 42 and at Month 11-12
Titers for serum neutralising antibodies
Timeframe: At Days 0, 21 and 42
Titers for serum neutralising antibodies
Timeframe: At Days 0, 21, 42 and at Month 11-12
Number of subjects with vaccine response for serum neutralising antibodies
Timeframe: At Days 21 and 42
Number of subjects with vaccine response for serum neutralising antibodies
Timeframe: At Days 21, 42 and at Month 11-12
Number of subjects with any and Grade 3 solicited local symptoms
Timeframe: During the 7-day (Days 0-6) post-vaccination period after each dose and across doses
Number of subjects with any, Grade 3 and related solicited general symptoms
Timeframe: During the 7-day (Days 0-6) post-vaccination period after each dose and across doses
Number of subjects with any medically-attended events (MAEs)
Timeframe: During the entire study period (Day 0 up to Month 7 and Day 0 up to Month 11-12)
Number of subjects with any adverse events of specific interest (AESIs)/ potential immune-mediated disease (pIMDs)
Timeframe: During the entire study period (Day 0 up to Month 11-12)
Number of subjects with normal/abnormal biochemical levels
Timeframe: At Days 0, 21 and 42
Number of subjects with any, grade 3 and related unsolicited adverse events (AEs)
Timeframe: During a 21 day follow-up period after the first vaccination and during a 62-day follow-up period after the second vaccination (Days 0 - 84)
Number of subjects with serious adverse events (SAEs)
Timeframe: During the entire study period (Day 0 up to Month 11-12)
- Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) (LAR) can and will comply with the requirements of the protocol
- Children, male or female, aged between 6 and 35 months at the time of first study vaccination.
- Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of the study vaccine or planned use during the study period.
- Clinically or virologically confirmed influenza infection within six months preceding the study start.
- Children, male or female, aged between 6 and 35 months at the time of first study vaccination.
- Written informed consent obtained from the parent(s) or LAR(s) of the subject.
- Healthy children, as established by medical history and clinical examination when entering the study.
- Parent/LAR with access to a consistent means of telephone contact, land line or mobile, but NOT a pay phone or other multiple-user device.
Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) (LAR) can and will comply with the requirements of the protocol
- Clinically or virologically confirmed influenza infection within six months preceding the study start.
- Planned administration of any vaccine 30 days prior and 30 days after any study vaccine administration.
- Chronic administration of immunosuppressants or other immune-modifying drugs within three months prior to enrolment in this study or planned administration during the study period.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination
- Acute or chronic, clinically-significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by medical history and physical examination.
- History of hypersensitivity to vaccines.
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccines
- History of any neurological disorders or seizures.
- Acute disease and/or fever at the time of enrolment
- Administration of immunoglobulins and/or any blood products within the three months prior to the enrolment in this study, or planned during the study.
- Any condition which, in the opinion of the investigator, renders the subject unfit for participation in the study.
- Child in Care.
Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of the study vaccine or planned use during the study period.
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.