Conditions: Type 2 Diabetes Mellitus
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 641
Healthy volunteers: no

Brief summary:
A clinical study to determine the safety and efficacy of sitagliptin in patients with Type 2 Diabetes Mellitus who have inadequate glycemic control on insulin or insulin/metformin combination therapy.

Detailed description:

Arms:
arm 1: sitagliptin arm 2: Placebo

Interventions: intervention 1: sitagliptin phosphate intervention 2: Comparator : placebo (unspecified)
Intervention descriptions: intervention 1: sitagliptin 100 mg tablet qd for a 24-wk treatment period. intervention 2: sitagliptin 100 mg Pbo tablet qd for a 24-wk treatment period.

Protocol document: