Long-Term Immune Persistence of GlaxoSmithKline Biologicals' Inactivated Hepatitis A Vaccine, Injected According to 0, 6-month Schedule
Trial overview
Anti-hepatitis A Virus (Anti-HAV) Antibody Concentration
Timeframe: At Years 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20 after the first vaccine dose of the 2-dose primary vaccination
Anti-hepatitis A Virus (Anti-HAV) Antibody Concentration
Timeframe: Before the additional dose, 14 days and 30 days after the additional dose
Number of seropositive subjects for anti-HAV antibodies.
Timeframe: From Year 11 to Year 20
Number of subjects reporting serious adverse events (SAE) assessed by the investigators as related to vaccination or to study procedures or lack of efficacy
Timeframe: Years 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20 after the first vaccine dose of the 2-dose primary vaccination
Number of Subjects Reporting any and Grade 3 Solicited Local Symptoms
Timeframe: During the 4-day (Day 0-3) follow-up period after additional vaccination
Number of Subjects Reporting any, Grade 3 and Related Solicited General Symptoms
Timeframe: During the 4-day (Day 0-3) follow-up period after additional vaccination
Number of Subjects Reporting any, Grade 3 and Related Unsolicited Adverse Events (AE)
Timeframe: During the 30-day follow-up period after additional vaccination (for subjects who received the additional vaccine dose between Year 11 and 15)
Number of Subjects Reporting serious adverse events (SAE)
Timeframe: During the follow-up period after additional vaccination up to Year 20
- Inclusion Criteria:
- Subjects who had received at least one dose of the study vaccine in the primary study
- Subjects who had received at least one dose of the study vaccine in the primary study
- Written informed consent will have been obtained from the subjects before the blood sampling visit of each year.
Inclusion Criteria:
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.