Please assess the completion status of the following clinical trial:

Trial Title: Evaluate Immune Response Approximately 5 to 6 Years After Receiving Different Formulations of GSK Bio Hep B Vaccine

Study Design Characteristics:
- Allocation: N/A
- Intervention Model: N/A
- Observational Model: N/A
- Primary Purpose: N/A
- Time Perspective: N/A
- Masking: N/A
- Phase: PHASE4
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Subjects should have participated in the primary study and should have received the first primary dose of vaccination more than five years ago and less than six years ago before blood sampling in this long-term follow-up study.~* Written informed consent obtained from the subject for the long-term follow-up.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 50 Years
- Healthy Volunteers: t

Based on this trial design, predict the completion outcome and termination type (if applicable).