Please assess the completion status of the following clinical trial:

Trial Title: Efficacy and Safety Study of Alogliptin and Insulin in the Treatment of Type 2 Diabetes.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria~* Diagnosis of type 2 diabetes mellitus and currently treated with insulin alone (with or without metformin), and is inadequately controlled. Metformin dose must be stable for at least 8 weeks prior to Randomization.~* No treatment with antidiabetic agents other than insulin and metformin within the 8 weeks prior to Randomization.~* Body mass index greater than or equal to 23 kg/m2 and less than or equal to 45 kg/m2~* Fasting C-peptide concentration greater than or equal to 0.8 ng per mL. (If this screening criterion is not met, the subject still qualifies if C-peptide greater than or equal to 1.5 ng per mL after a challenge test).~* Glycosylated hemoglobin concentration greater than or equal to 8.0% at Screening.~* Using a stable dose of insulin of at least 15 units but not more than 100 units per day for at least 8 weeks prior to Randomization. A dose of insulin that varies by up to 15% of the mean will be considered as stable.~* If regular use of other, non-excluded medications, must be on a stable dose for at least the 4 weeks prior to Screening. However, as needed use of prescription or over-the-counter medications is allowed at the discretion of the investigator.~* Systolic blood pressure less than or equal to180 mm Hg and diastolic pressure less than or equal to 110 mm Hg~* Hemoglobin greater than or equal to 12 g per dL for males and greater than or equal to10 g per dL for females.~* Alanine aminotransferase less than or equal to 3 times the upper limit of normal.~* Serum creatinine less than or equal to 2.0 mg per dL.~* Thyroid-stimulating hormone level less than or equal to the upper limit of the normal range and the subject is clinically euthyroid.~* Neither pregnant (confirmed by laboratory testing in females of childbearing potential) nor lactating.~* Female subjects of childbearing potential must be practicing adequate contraception. Adequate contraception must be practiced for the duration of participation in the study.~* Able and willing to monitor own blood glucose concentrations with a home glucose monitor~* No major illness or debility that in the investigator's opinion prohibits the individual from completing the study~* Able and willing to provide written informed consent~Exclusion Criteria~* Urine albumin to creatinine ratio of greater than 1000 μg per mg at Screening. If elevated, the subject may be rescreened within 1 week.~* History of cancer, other than squamous cell or basal cell carcinoma of the skin, that has not been in full remission for at least 5 years prior to Screening. (History of treated cervical intraepithelial neoplasia I or cervical intraepithelial neoplasia II is allowed.).~* History of laser treatment for proliferative diabetic retinopathy within the 6 months prior to Screening.~* History of treated diabetic gastric paresis.~* New York Heart Association Class III or IV heart failure regardless of therapy. Currently treated subjects who are stable at Class I or II are candidates for the study.~* History of coronary angioplasty, coronary stent placement, coronary bypass surgery, or myocardial infarction within the 6 months prior to Screening.~* History of any hemoglobinopathy that may affect determination of glycosylated hemoglobin.~* History of infection with hepatitis B, hepatitis C, or human immunodeficiency virus.~* History of a psychiatric disorder that will affect ability to participate in the study.~* History of angioedema in association with use of angiotensin-converting enzyme inhibitors or angiotensin-II receptor inhibitors.~* History of alcohol or substance abuse within the 2 years prior to Screening.~* Receipt of any investigational drug within the 30 days prior to Screening or a history of receipt of an investigational antidiabetic drug within the 3 months prior to Screening.~* Prior treatment in an investigational study of alogliptin.~* Excluded Medications:~  * Treatment with antidiabetic agents other than insulin and metformin is not allowed within the 8 weeks prior to Randomization and through the completion of the end-of treatment or early termination procedures. (Exception: if has received other antidiabetic therapy for less than 7 days within the 3 months prior to Screening.)~ * Treatment with weight-loss drugs, any investigational antidiabetics, or oral or systemically injected glucocorticoids is not allowed from 3 months prior to randomization through the completion of the end-of-treatment or early termination procedures. Inhaled corticosteroids are allowed.~ * Must not take any medications, including over-the-counter products, without first consulting with the investigator.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Insulin (Type: PLACEBO_COMPARATOR): None
- Alogliptin 12.5 mg QD (Type: EXPERIMENTAL): None
- Alogliptin 25 mg QD (Type: EXPERIMENTAL): None

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