Long-term Safety of Alogliptin in Patients With Type 2 Diabetes Mellitus

Status Completed

Clinical Trial 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.

Clinical Trial 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. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Diabetes Mellitus

Clinical Trial Details

NCT number	NCT00306384
Study type	Interventional
Source	Takeda
Contact
Status	Completed
Phase	Phase 3
Start date	March 2006
Completion date	November 2011

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.