A Phase 4 interventional study of Combined vaccine against hepatitis A and B (Twinrix) in Antibody Response After Vaccination, sponsored by IDEWE Occupational Health Services. Status unknown at 1 site in Belgium. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2005-12-14.
Sponsored by IDEWE Occupational Health Services · Phase 4, Interventional, and Prevention
To compare the efficiency of protection against hepatitis-B virus by administration of the combined vaccine against hepatitis A and B using the schedule 0-1-12 months against the schedule 0-1-6 months.
2,709 studies on the registry are indexed under Hepatitis A; 142 are open to participants now.
This study's enrollment of 400 is above the median of 100 across 1,886 interventional studies indexed under Hepatitis A.
Browse Hepatitis A studies →This is the only study on the registry with IDEWE Occupational Health Services as lead sponsor.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Anti-HBs antibodies concentration 1 month after 3th vaccine dose
Natural evolution of anti-HBs antibodies concentration between 2nd and 3th vaccine dose (5-11 months)
This study is status unknown, as verified in Sep 2005. You cannot join it, but the record below documents what was studied.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.