Conditions: Diabetes Mellitus
Keywords: Glucose Metabolism Disorder Dysmetabolic Syndrome Type II Diabetes Diabetes Mellitus, Lipoatrophic Dyslipidemia Drug Therapy
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 3323
Healthy volunteers: no

Brief summary:
The purpose of this study is to evaluate the long-term safety of alogliptin, once daily (QD), following participation in 1 of 7 controlled studies in patients with type 2 diabetes mellitus.

Detailed description:
SYR-322 (alogliptin) is an inhibitor of the dipeptidyl peptidase IV enzyme. Dipeptidyl peptidase IV is thought to be primarily responsible for the degradation of 2 peptide hormones released in response to nutrient ingestion, namely glucagon-like peptide-1 and glucose-dependent insulinotropic peptide. It is expected that inhibition of dipeptidyl peptidase IV will improve glycemic (glucose) control in patients with type 2 diabetes mellitus by prolonging the beneficial effects of glucagon-like peptide-1.

The rising incidence of type 2 diabetes mellitus and the limitations of the currently available treatments suggest the need for new therapies for glycemic control. Studies have been undertaken in humans that evaluated the effects of directly augmenting glucagon-like peptide-1 and glucose-dependent insulinotropic peptide levels and of inhibiting the activity of dipeptidyl peptidase IV.

This study is an extension of 7 controlled phase 3 studies of alogliptin. These phase 3 studies included 1 monotherapy study of alogliptin (SYR-322-PLC-010; NCT00286455); 4 placebo-controlled add-on studies of alogliptin, namely in combination with a sulfonylurea (SYR-322-SULF-007; NCT00286468), metformin (SYR-322-MET-008; NCT00286442), a thiazolidinedione (pioglitazone; SYR-322-TZD-009; NCT00286494), and insulin (SYR-322-INS-011; NCT00286429); 1 coadministration study with pioglitazone in combination with metformin (01-05-TL-322OPI-001; NCT00328627), and 1 coadministration study with pioglitazone (01-06-TL-322OPI-002; NCT00395512).

The end of treatment or early withdrawal visit from the preceding study will be the screening visit for this study, after which enrolled patients will be required to commit to approximately 22 additional visits at the study center.

Arms:
arm 1: Alogliptin 12.5 tablet, orally, once daily for up to 4 years. arm 2: Alogliptin 25 mg tablet, orally, once daily for up to 4 years.

Interventions: intervention 1: Alogliptin
Intervention descriptions: intervention 1: Alogliptin tablets.

Protocol document: