Please assess the completion status of the following clinical trial:

Trial Title: ProQuad Dose Selection Study (V221-011)(COMPLETED)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE2
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* In good health~* Negative clinical history of measles, mumps, rubella, varicella, and zoster~Exclusion Criteria:~* Previous receipt of measles, mumps, rubella and/or varicella vaccine either alone or in combination~* Any immune impairment or deficiency~* Exposure to measles, mumps, rubella, varicella, or zoster in the 4 weeks prior to vaccination~* Vaccination with an inactive vaccine with in the past 14 days~* Vaccination with a live vaccine within the past 30 days~* Immune globulin or any blood product administered in the past 3 months

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

Study Arms:
- 1 (Type: EXPERIMENTAL): ProQuad (low dose)
- 2 (Type: EXPERIMENTAL): ProQuad (middle dose)
- 3 (Type: EXPERIMENTAL): ProQuad (high dose)
- 4 (Type: ACTIVE_COMPARATOR): M-M-R II + PUVV

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