Intervention: Alogliptin
Trial phase: Phase 3
ATC code: A10BD09 | A10BD13 | A10BH04
SMILES: Cn1c(=O)cc(N2CCC[C@@H](N)C2)n(Cc2ccccc2C#N)c1=O
Sex: All
Age groups: Older Adult
Healthy volunteers: No
Participants at risk: 222
Group description: Alogliptin 25 mg, tablets, orally, once daily and glipizide placebo matching tablets, orally, once daily for up to 52 weeks.
Eligibility criteria:
Inclusion Criteria:

Has a diagnosis of type 2 diabetes mellitus with either:

Failed diet and exercise therapy alone as demonstrated by inadequate glycemic control while receiving no antidiabetic treatment within the two months prior to Screening, or
Failed treatment with oral monotherapy alone (may include treatment with two or more antidiabetic agents if for less than 7 days) as demonstrated by inadequate glycemic control within the two months prior to Screening.
Body mass index greater than or equal to 23 kg/m2 and less than or equal to 45 kg/m2.
If regularly using other, non-excluded medications, must be on a stable dose for at least the 4 weeks prior to Screening.
Females of childbearing potential who are sexually active must agree to use a medically accepted means of contraception, and can neither be pregnant nor lactating from Screening throughout the duration of the study.
Able and willing to monitor their own blood glucose concentrations with a home glucose monitor.
No major illness or debility that in the investigator's opinion prohibits the participant from completing the study.

Exclusion Criteria:

Systolic blood pressure greater than or equal to 160 mm Hg and/or diastolic pressure greater than or equal to 100 mm Hg.
Hemoglobin less than or equal to 12 g/dL for males or less than or equal to 10 g/dL for females.
Alanine aminotransferase greater than or equal to 3 times the upper limit of normal.
Calculated creatinine clearance less than or equal to 50 mL/min.
Thyroid-stimulating hormone level outside of the normal range.
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 laser treatment for proliferative diabetic retinopathy within the 6 months prior to Screening.
History of treated diabetic gastroparesis, gastric banding, or gastric bypass surgery.
New York Heart Association Class III or IV heart failure regardless of therapy.
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 Human Immunodeficiency Virus.
History of a psychiatric disorder that will affect the participant's 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.
History of treatment with any weight-loss drugs or oral or systemically injected glucocorticoids within the 3 months prior to Screening.
Receipt of any investigational drug within the 30 days prior to Screening.
Prior treatment in an investigational study of alogliptin.
Clinically significant medical abnormality or disease or clinically significant abnormal findings at Screening (other than type 2 diabetes) that, in the opinion of the investigator, should exclude the participant from the study.
Has donated more than 400 mL of blood within the 90 days preceding their participation in the study.
Has hypersensitivity or has had an anaphylactic reaction(s) to any DPP-4 inhibitor drug.