Once-weekly dulaglutide versus insulin glargine in the early control of fasting serum glucose and HbA1c
Abstract
AIMS: To determine the early benefit:risk balance of dulaglutide versus insulin glargine in patients with type 2 diabetes mellitus (T2DM).
METHODS: This post hoc analysis used data from a randomized, open-label study (AWARD-2; modified intention-to-treat group) in which suboptimally controlled metformin + glimepiride-treated patients received dulaglutide 1.5 mg (n = 273) or insulin glargine (n = 262). Two composite endpoints were used: for weeks 2-20, fasting serum glucose (FSG) <130 mg/dL (<7.2 mmol/L) without hypoglycemia (blood glucose ≤70 mg/dL [≤3.9 mmol/L] or severe hypoglycemia); at week 26, patients with glycated hemoglobin (HbA1c) <7.0% (<53.0 mmol/mol) or reduction from baseline ≥1.0% (≥10.9 mmol/mol), no hypoglycemia (as defined above) and no weight gain. Odds ratios (ORs) were generated using logistic regression analysis.
RESULTS: The probability of reaching the FSG target without hypoglycemia was higher with dulaglutide than with insulin glargine at weeks 4 (OR 1.78; 95% confidence interval [CI] 1.22-2.60) and 8 (OR 1.69; 95% CI 1.15-2.48). The proportion of patients achieving the 26-week endpoint was higher with dulaglutide (37.4% vs. 10.3%; OR 5.28; 95% CI 3.28-8.48).
CONCLUSIONS: Dulaglutide's balanced efficacy-to-safety profile compares favorably with that of insulin glargine and is apparent soon after treatment initiation and after 6 months of therapy.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 273 participants or records.
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