Clinical trial NCT00286455 (phase 3, status: completed)
Conditions: diabetes mellitus
ICD codes: P70.2, O24.92, Z83.3, E10.65, E10.9, E11.65, E11.9
Drugs: alogliptin, alogliptin, placebo
SMILES: CN1C(=O)C=C(N2CCC[C@@H](N)C2)N(CC2=C(C=CC=C2)C#N)C1=O, CN1C(=O)C=C(N2CCC[C@@H](N)C2)N(CC2=C(C=CC=C2)C#N)C1=O, CN1C(=O)C=C(N2CCC[C@@H](N)C2)N(CC2=C(C=CC=C2)C#N)C1=O
Eligibility criteria:

        Inclusion Criteria

          -  Type 2 diabetes mellitus, experiencing inadequate glycemic control, and are receiving
             no current antidiabetic therapy. Subjects will qualify if both of the following
             conditions apply:

               -  Subject has failed treatment with diet and exercise for at least one month prior
                  to Screening

               -  Subject has received less than 7 days of any antidiabetic therapy within the 3
                  months prior to Screening Diagnosis of type 2 diabetes must be based on current
                  American Diabetes Association criteria.

          -  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 (greater than
             or equal to 0.26 nmol per L). (If this screening criterion is not met, the subject
             still qualifies if C-peptide greater than or equal to1.5 ng per mL (greater than or
             equal to 0.50 nmol per L) after a challenge test.

          -  Glycosylated hemoglobin concentration between 7.0% and 10.0%, inclusive

          -  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 to 180 mm Hg and diastolic pressure less
             than or equal to 110 mm Hg

          -  Hemoglobin greater than or equal to 12 g per dL (greater than or equal to 120 gm per
             L) for males and greater than or equal to 10 g per dL (greater than or equal to 100 gm
             per L) 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 (less than or equal to 17
             micromol per L)

          -  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 their own blood glucose concentrations with a home glucose
             monitor.

          -  No major illness or debility that in the investigator's opinion prohibits the subject
             from completing the study.

          -  Able and willing to provide written informed consent.

        Exclusion Criteria

          -  Urine albumin to creatinine ratio of greater than1000 μg per mg (greater than 113 mg
             per mol) 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. (A history of
             treated cervical intraepithelial neoplasia 1 or cervical intraepithelial neoplasia 2
             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 the subject'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.

          -  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 study drug following enrollment in
                  the study) is not allowed within the 3 months prior to Screening and through the
                  completion of the end-of-treatment/early termination procedures. (Exception: if a
                  subject 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/early termination
                  procedures. Inhaled corticosteroids are allowed.

               -  Subjects are not to take any medications, including over-the-counter products,
                  without first consulting with the Study Doctor.