Please assess the completion status of the following clinical trial:

Trial Title: Effect of a Booster Dose of the Japanese Encephalitis Vaccine IC51

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 1.0

Eligibility Criteria:
Main Inclusion Criteria:~* Healthy adults who completed the primary immunization in study IC51 309~* Male and female healthy subjects aged at least 18 years with written informed consent and either no childbearing potential or negative pregnancy test~Main Exclusion Criteria:~• History of immunodeficiency or immunosuppressive therapy, known Human Immunodeficiency Virus (HIV), or drug addiction including alcohol dependence

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- A (Type: ACTIVE_COMPARATOR): None

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