Please assess the completion status of the following clinical trial:

Trial Title: A Study of ProQuad™ in Healthy Children in Korea (V221-023)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Subject is in good health~* Subject has a negative clinical history for measles, mumps, rubella, varicella and zoster~Exclusion Criteria:~* Subject has previously received measles, mumps, rubella and/or varicella vaccine, either alone or in any combination~* Subject has any congenital or acquired immune deficiency, neoplastic disease or depressed immunity~* Subject has a history of seizure disorder~* Subject had exposure to measles, mumps, rubella, varicella and/or zoster in the last 4 weeks~* Subject has received an inactivated vaccine within the past 14 days~* Subject has received a live vaccine within the past 30 days~* Subject has received immune globulin within the past 5 months~* Subject has a recent history of fever (within the last 72 hours)

- Gender: ALL
- Minimum Age: 12 Months
- Maximum Age: 23 Months
- Healthy Volunteers: t

Study Arms:
- ProQuad™ (Type: EXPERIMENTAL): None
- M-M-R™ II and Varivax™ (Type: ACTIVE_COMPARATOR): None

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