Abstract
Background
Data on trends of diabetes medications use are sparse, outdated, and limited to prescription data. We determined trends in diabetes medication use among US individuals with diabetes during 2008-2015.
Methods
We used 2008-2015 Medical Expenditure Panel Survey to examine diabetes medication utilization among individuals aged ≥18 years with diabetes. Prescription medications were classified based on therapeutic class and subclass using Multum Lexicon database.
Results
From 2008 to 2015, use of any diabetes medication (81.4% vs. 87%), metformin (47.8% vs. 59.0%), and insulin (23.0% vs. 31.0%) increased, whereas, use of sulfonylurea (36.0% vs. 29.0%) and thiazolidinedione (21% vs. 9.0%) declined. A linear increase was observed in the uptake of dipeptidyl peptidase-4 (DPP-4) inhibitors from 6.2% in 2008 to 12.4% in 2015; glucagon-like peptide-1 (GLP-1) receptor agonists from 2.5% in 2008 to 4.4% in 2015 and sodium glucose transporter-2 (SGLT2) inhibitors from 0.8% in 2014 (the first SGLT2 inhibitors approval year) to 4.4% in 2015. Monotherapy use increased from 50.6% to 56.4% during 2008-2015, while triple therapy use declined.
Conclusions
Metformin, insulin and sulfonylureas remained the top-three prescribed classes of diabetes medications. Increased use of DPP-4 inhibitors, GLP-1 receptor agonists and SGLT2 inhibitors was offset by decline in TZDs use.
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