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Clinical Trial Summary

A study to evaluate the safety, tolerability, and immunogenicity of a recombinant hepatitis B vaccine manufactured using an upgrade to the production process. The primary hypotheses tested at 1 month after the third dose of vaccine are the following: 1) the 3 lots of the process upgrade vaccine induce similar seroprotection rates to hepatitis B surface antigen (HBsAg), 2) the combined lots of the process upgrade vaccine induce adequate seroprotection to HBsAg, and 3) the process upgrade vaccine will induce geometric mean antibody titers to HBsAg that are non-inferior or superior to those induced by the current process vaccine.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT00489099
Study type Interventional
Source Merck Sharp & Dohme Corp.
Contact
Status Completed
Phase Phase 3
Start date June 2005
Completion date May 2006

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