Evaluation of Immune Memory to Twinrix or Comparator by Challenge Dose Administration 4 Years After Primary Vaccination

Summary

Only subjects who participated in the primary study will be invited to participate in the extension phase and the challenge dose phase of this study.

Timeline

Start

2008-05-26

Primary completion

2008-11-03

Completion

2008-11-03

Publications

• Chlibek R, von Sonnenburg F, Van Damme P, Smetana J, Tichy P, Gunapalaiah B, Leyssen M, Jacquet JM. Antibody persistence and immune memory 4 years post-vaccination with combined hepatitis A and B vaccine in adults aged over 40 years. J Travel Med. 2011 Mar-Apr;18(2):145-8. doi: 10.1111/j.1708-8305.2010.00499.x. Epub 2011 Feb 7.

Drugs

Indications