Please assess the completion status of the following clinical trial:

Trial Title: Phase 4 Study in the Elderly Patients With T2DM

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Type 2 Diabetes Mellitus (DM) patients aged 65 to 80 years, willing to perform SMBG in case of symptomatic hypoglycemia.~* HbA1c: 6.5 to 8.5 % with max tolerated dose of metformin monotherapy for at least 3 months.~Exclusion Criteria:~* Age \> 80 yrs~* BMI \< 22 and ≥ 45 kg/m2~* Secondary T2 DM~* Hepatic failure, moderate/severe renal failure (Cl \< 50 ml/min) and CHF III \& IV~* ASAT / ALAT \> 3 ULN, creatinine clearance \< 50 ml/min Other protocol-defined inclusion/exclusion criteria may apply

- Gender: ALL
- Minimum Age: 65 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Vildagliptin (Type: EXPERIMENTAL): None
- other Oral Antidiabetic Drug in a different therapeutic class (Type: ACTIVE_COMPARATOR): None

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