Dose-ranging Study in Patients With Type 1 Diabetes Mellitus

A Phase 2b, Dose-ranging, Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter Study in Patients With Type 1 Diabetes Mellitus Who Have Inadequate Glycemic Control With Insulin Therapy

The primary objective of this study was to define the dose leading to desirable efficacy, as measured by the change in hemoglobin A1C (A1C) between Baseline and Week 12.

Inclusion Criteria:

• Participant had given written informed consent to participate in the study in accordance with local regulations.
• Adult participants 18 years and older with a diagnosis of type 1 diabetes mellitus (T1D) made at least 1 year prior to informed consent.
• Participants were being treated with insulin or insulin analog delivered via continuous subcutaneous insulin infusion (CSII) or multiple daily injection (MDI).
• At the Screening Visit, A1C had to be between 7.0% and 10.0%.
• Females of childbearing potential had to use an adequate method of contraception and have a negative pregnancy test.

Exclusion Criteria:

• Use of antidiabetic agent other than insulin or insulin analog at the time of screening.
• Use of sodium-glucose cotransporter (SGLT) inhibitors within 8 weeks prior to screening.
• Chronic systemic corticosteroid use.
• Type 2 diabetes mellitus (T2DM), or severely uncontrolled T1D as determined by the Investigator.