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Efficacy and safety profile of once-weekly dulaglutide in type 2 diabetes: a report on the emerging new data

Authors Kugler AJ, Thiman ML

Received 19 December 2017

Accepted for publication 10 March 2018

Published 9 May 2018 Volume 2018:11 Pages 187—197


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Editor who approved publication: Professor Ming-Hui Zou

Anne J Kugler,1 Michael L Thiman2

1Department of Pharmacy Practice and Administration, Western University of Health Sciences College of Pharmacy, Pomona, CA, USA; 2Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Athens, GA, USA

Abstract: Dulaglutide is a once-weekly glucagon-like peptide-1 receptor agonist, which has been on the market in the USA since 2014. Dulaglutide has performed well in head-to-head studies against metformin, glargine, and sitagliptin, where its A1c lowering ranged from -0.78% to –1.64% over 52–104 weeks, and it consistently outperformed each of these agents. As an add-on therapy, dulaglutide provided additional A1c lowering of –1.4% to –1.44% over monotherapy with glimepiride or glargine at 24 and 28 weeks, respectively. Dulaglutide outperformed exenatide when added to a regimen of metformin with pioglitazone as well as glargine when added to a regimen of metformin with glimepiride. Dulaglutide was shown to be non-inferior to liraglutide when added to metformin. In all AWARD studies other than when compared to liraglutide, dulaglutide at full strength resulted in significantly more patients achieving their A1c goal. Recent class-wide meta-analyses indicate that the incidence of commonly experienced gastrointestinal (GI) side effects is dose dependent, and nausea and vomiting are less common in longer-acting agents such as dulaglutide, but diarrhea may be more common. Pooled data have shown no increased risk of serious side effects such as pancreatitis or neoplasm with the use of dulaglutide. Given the evidence supporting liraglutide’s cardiovascular benefits, the highly anticipated REWIND trial will have a significant impact on the future place in the therapy of dulaglutide.

Keywords: GLP-1 RA, glucagon-like peptide-1 receptor agonist, antidiabetic drugs, diabetes mellitus, injectable, incretin

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