Efficacy and Safety of Efpeglenatide Versus Placebo in Patients With Type 2 Diabetes Mellitus Inadequately Controlled With Basal Insulin Alone or in Combination With Oral Antidiabetic Drug(s)

Primary Objective: To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo in glycated hemoglobin (HbA1c) change in participants with type 2 diabetes mellitus (T2DM) inadequately controlled with basal insulin alone or in combination with oral antidiabetic drugs (OADs). Secondary Objectives: * To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo on glycemic control. * To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo on body weight. * To evaluate the safety of once weekly injection of efpeglenatide.