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Real-world glycemic outcomes in patients with type 2 diabetes initiating exenatide once weekly and liraglutide once daily: a retrospective cohort study

Authors Saunders W, Nguyen H, Kalsekar I

Received 10 January 2016

Accepted for publication 21 April 2016

Published 15 July 2016 Volume 2016:9 Pages 217—223

DOI https://doi.org/10.2147/DMSO.S103972

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 3

Editor who approved publication: Professor Ming-Hui Zou


William B Saunders,1 Hiep Nguyen,2 Iftekhar Kalsekar2

1Department of Public Health Sciences, College of Health and Human Services, The University of North Carolina at Charlotte, Charlotte, NC, 2AstraZeneca, Fort Washington, PA, USA

Aim: The glucagon-like peptide-1 receptor agonists exenatide once weekly (QW) and liraglutide once daily (QD) have demonstrated improvements in glycemic outcomes in patients with type 2 diabetes mellitus in randomized clinical trials. However, little is known about their real-world comparative effectiveness. This retrospective cohort study used the Quintiles Electronic Medical Record database to evaluate the 6-month change in glycated hemoglobin (A1C) for patients initiating exenatide QW or liraglutide QD.
Methods: Patients with type 2 diabetes mellitus prescribed exenatide QW (n=664) or liraglutide QD (n=3,283) between February 1, 2012 and May 31, 2013 were identified. Baseline A1C measures were from 75 days before to 15 days after initiating exenatide QW or liraglutide QD, with follow-up measures documented at 6 months (±45 days). Adjusted linear regression models compared the difference in mean A1C change. A priori defined sensitivity analysis was performed in the subgroup of patients with baseline A1C ≥7.0% and no prescription for insulin during the 12-month pre-index period.
Results: For exenatide QW and liraglutide QD, respectively, mean (SD) age of the main study cohort was 58.01 (10.97) and 58.12 (11.05) years, mean (SD) baseline A1C was 8.4% (1.6) and 8.4% (1.6), and 48.2% and 54.2% of patients were women. In adjusted models, change in A1C did not differ between exenatide QW and liraglutide QD during 6 months of follow-up. Results were consistent in the subgroup analyses.
Conclusion: In a real-world setting, A1C similarly improves in patients initiating exenatide QW or liraglutide QD.

Keywords: diabetes, exenatide, outcomes

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