drugset / Trial / NCT00335881
Persistence of the Immune Response to Hepatitis B in 4-6 Years Old Children Previously Vaccinated With DTPa-HBV-IPV/Hib
Non-randomizedParallel-groupOpen-labelPrevention
Summary
Persistence of seroprotective antibody concentrations \& immunological memory shown by the ability to mount a response to a challenge dose of HBV vaccine
Timeline
- Start
- 2006-06
- Primary completion
- —
- Completion
- 2006-11
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Hepatitis B vaccine | Vaccine | — | — |