Comparison of Two Basal Insulins for Patients With Type 2 Diabetes (IOOY)

Treat-to-Target Comparison of Two Basal Insulin Analogs (Insulin Lispro Protamine Suspension and Comparator) in Basal Therapy for Patients With Type 2 Diabetes Mellitus

The purpose of this study is to examine the effectiveness and safety of insulin lispro protamine suspension (ILPS) as compared to insulin detemir as basal insulin therapy in adults with type 2 diabetes. A gatekeeper strategy will be employed for sequentially testing the secondary objectives.

Inclusion Criteria:

1. Have type 2 diabetes mellitus for at least 1 year.
2. Are at least 18 years old.
3. Have been receiving oral antihyperglycemic medications (OAMs), without insulin, for at least 3 months immediately prior to the study and have been on stable doses of at least 2 of the following OAMs for the 6 weeks prior to Visit 1, at or above the doses defined in the following: Metformin--1500 milligrams per day (mg/day); Sulfonylureas--1/2 the maximum daily dose, according to the local package insert; Dipeptidyl peptidase-intravenous (DPP-IV) inhibitors-- 1/2 the maximum daily dose, according to the local package insert; Thiazolidinediones (TZDs)--30 mg/day pioglitazone or 4 mg/day rosiglitazone.
4. Have a hemoglobin A1c (HbA1c) greater than or equal to 7.5% and less than or equal to 10.0%, as measured by a central laboratory before Visit 2.
5. Body mass index (BMI) greater than or equal to 25 and less than or equal to 45 kilograms per square meter (kg/m2).

Exclusion Criteria

1. Have used insulin therapy (outside of pregnancy) any time in the past 2 years, except for short-term treatment of acute conditions, and up to a maximum of 4 weeks.
2. Have taken any glucose-lowering medications not included in Inclusion Criterion [3] (for example, acarbose, miglitol, pramlintide, exenatide, repaglinide, or nateglinide) in the past 3 months before Visit 1.
3. Have had more than 1 episode of severe hypoglycemia, within 6 months prior to entry into the study, or is currently diagnosed as having hypoglycemia unawareness.
4. Have a history of renal transplantation or are currently receiving renal dialysis or creatinine greater than or equal to 2.0 milligrams per deciliter (mg/dL) (177 micromoles per liter [micromol/L]).
5. Have obvious clinical signs or symptoms, or laboratory evidence, of liver disease (alanine transaminase [ALT], or aspartate transaminase [AST] greater than 2 times the upper limit of the reference range, as defined by the local laboratory) or have albumin value above or below the normal reference range, as defined by the local laboratory.