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NCT00144313 · ClinicalTrials.gov registry record · Phase 4
VaxTeen Hepatitis B Vaccine Booster Study
A Phase 4 study, sponsored by Centers for Disease Control and Prevention.
- Completed
- Registry status
- Phase 4
- Development phase
- 60
- Enrollment target
NCT00144313: Completed Phase 4 study, sponsored by Centers for Disease Control and Prevention.
NCT00144313 is a Phase 4 study that has completed, run by Centers for Disease Control and Prevention. The registered enrollment target is 60 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (88% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00144313, a Phase 4 study, has completed, sponsored by Centers for Disease Control and Prevention.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 60 participants
- Enrollment target
Study Summary
The purpose of this study is to determine immune status of adolescents who responded to a primary series of recombinant hepatitis B vaccine given at birth and to assess their response to a booster dose of vaccine.
Interventions
- BIOLOGICAL hepatitis B vaccine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 60 participants |
| Start Date | 2005-08 |
| Est. Completion | 2006-01 |
| Phase | Phase 4 |
What the finished NCT00144313 record still lists
NCT00144313 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (88% lower).
The record links to 0 conditions, and to 1 intervention - of which hepatitis B vaccine is the first listed.
NCT00144313 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00144313 about?
NCT00144313 is a clinical study titled "VaxTeen Hepatitis B Vaccine Booster Study". The purpose of this study is to determine immune status of adolescents who responded to a primary series of recombinant hepatitis B vaccine given at birth and to assess their response to a booster dose of vaccine.
What is the current status of trial NCT00144313?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 60 participants. The study started on 2005-08. Estimated completion is 2006-01.
What interventions are being tested in trial NCT00144313?
The interventions under investigation include: hepatitis B vaccine (BIOLOGICAL).
Who is sponsoring clinical trial NCT00144313?
This trial is sponsored by Centers for Disease Control and Prevention, which has 139 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00144313's enrollment target sits among peer trials
60 1125th of 2000 higher than 799 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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