The purpose of this study is to investigate the effect of bexagliflozin compared to glimepiride as an add-on therapy to metformin in lowering hemoglobin A1c (HbA1c) levels in subjects with type 2 diabetes mellitus (T2DM).
Approximately 420 subjects with inadequately controlled T2DM on metformin will be recruited from North America and Europe. Subjects will be randomly assigned to receive bexagliflozin tablets, 20 mg, or glimepiride capsules, 2, 4 or 6 mg, in a ratio of 1:1 once daily for 96 weeks. Subjects will continue to take metformin for the duration of the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
426
20 mg, tablet
inactive tablet to match active comparator bexagliflozin
2, 4 or 6 mg, capsule
Change From Baseline in HbA1c at Week 60
The primary objective is to demonstrate that bexagliflozin is non-inferior to glimepiride by evaluating the treatment effect on HbA1c reduction at week 60 in subjects whose T2DM is inadequately controlled by metformin. The least square mean (LSM) change from baseline to Week 60 was analyzed using a mixed model repeated measures (MMRM) analysis of covariance model (ANCOVA).
Time frame: Baseline and Week 60
Change From Baseline in Body Weight at Week 60 for Subjects With Baseline BMI ≥ 25 kg/m2
Least squares (LS) mean treatment difference between the bexagliflozin group and placebo group in the change of body weight in subjects with baseline BMI ≥ 25 kg/m2 at week 60 is analyzed using ANCOVA.
Time frame: Baseline and 60 weeks
Change From Baseline in Systolic Blood Pressure (SBP) at Week 60 for Subjects With Baseline SBP ≥ 140 mmHg
Least squares (LS) mean treatment difference between the bexagliflozin group and placebo group in the change of SBP in subjects with baseline SBP ≥ 140 mmHg at week 60 is analyzed using ANCOVA.
Time frame: Baseline and 60 weeks
Difference in Proportion of Subjects With ≥ 1 Severe or Documented Symptomatic Hypoglycemia Events Over 96 Weeks
The difference in proportion of subjects with ≥ 1 severe or documented symptomatic hypoglycemia events in the bexagliflozin group compared with glimepiride group over 96 weeks is analyzed using a logistic regression model. The full model included region, baseline HbA1c value, background treatment status (metformin or metformin + OHA), eGFR at baseline ≥ 90 or \< 90 mL min 1 per 1.73 m2), treatment as a fixed effect covariate.
Time frame: During the 96 week treatment period
Superiority of Bexagliflozin Over Glimepiride in HbA1c Reduction at Week 60.
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inactive capsules to match active comparator glimepiride
Research Site
Birmingham, Alabama, United States
Research Site
Huntington Park, California, United States
Research Site
Los Angeles, California, United States
Research Site
San Carlos, California, United States
Research Site
Hialeah, Florida, United States
Research Site
Miami Lakes, Florida, United States
Research Site
Orlando, Florida, United States
Research Site
West Palm Beach, Florida, United States
Research Site
Calabash, North Carolina, United States
Research Site
Morehead City, North Carolina, United States
...and 35 more locations
Superiority of bexagliflozin over glimepiride in HbA1c reduction from baseline to week 60 will be declared if the upper bound of 95% CI is less than 0.
Time frame: Baseline to Week 60