Please assess the completion status of the following clinical trial:

Trial Title: MK0431 Monotherapy Study in Patients With Type 2 Diabetes Mellitus (0431-040)

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

Eligibility Criteria:
Inclusion Criteria:~* Patients have Type 2 Diabetes Mellitus and have laboratory results that are within the values established by the study such as an Hemoglobin A1c (HbA1c) \>=7.5% and \<=11% and a Fasting Plasma Glucose (FPG) \>=130 mg/dL and \<=280 mg/dL~Exclusion Criteria :~* Patients have Type 1 Diabetes Mellitus or required insulin therapy within the past 12 months

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

Study Arms:
- 1 (Type: EXPERIMENTAL): sitagliptin 100 mg
- 2 (Type: PLACEBO_COMPARATOR): placebo

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