Please assess the completion status of the following clinical trial:

Trial Title: V501 Efficacy Study in Women Aged 18 to 26 (V501-027)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Female Subject Aged 18 To 26 Years~* With 1-4 Lifetime Sexual Partners~Exclusion Criteria:~* Male Subject

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 26 Years
- Healthy Volunteers: t

Study Arms:
- 1 (Type: PLACEBO_COMPARATOR): Placebo
- 2 (Type: EXPERIMENTAL): Vaccine

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