Please assess the completion status of the following clinical trial:

Trial Title: Controlled Study of MK-0431/ONO-5435 in Patients With Type 2 Diabetes Mellitus

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

Eligibility Criteria:
Inclusion Criteria:~* Patients with type 2 diabetes mellitus on diet/exercise therapy and metformin as monotherapy~Exclusion Criteria:~* Patients with type 1 diabetes mellitus

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 74 Years
- Healthy Volunteers: f

Study Arms:
- P (Type: PLACEBO_COMPARATOR): None
- E (Type: EXPERIMENTAL): None

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