Trends in diabetes medication use in Australia, Canada, England, and Scotland: a repeated cross-sectional analysis in primary care

Greiver, M; Havard, A; Bowles, JK; Kalia, S; Chen, T; Aliarzadeh, B; Moineddin, R; Sherlock, J; Hinton, W; de Lusignan, S; Sullivan, F; O'Neill, B; Pow, C; Bhatt, A; Rahman, F; Meza-Torres, B; Litchfield, M

Journal article

Trends in diabetes medication use in Australia, Canada, England, and Scotland: a repeated cross-sectional analysis in primary care

Abstract:: Background Several new classes of glucose-lowering medications have been introduced in the past two decades. Some, such as sodium-glucose cotransporter 2 inhibitors (SGLT2s), have evidence of improved cardiovascular outcomes, while others, such as dipeptidyl peptidase-4 inhibitors (DPP4s), do not. It is therefore important to identify their uptake in order to find ways to support the use of more effective treatments. Aim To analyse the uptake of these new classes among patients with type 2 diabetes. Design and setting This was a retrospective repeated cross-sectional analysis in primary care. Rates of medication uptake in Australia, Canada, England, and Scotland were compared. Method Primary care Electronic Medical Data on prescriptions (Canada, UK) and dispensing data (Australia) from 2012 to 2017 were used. Individuals aged ≥40 years on at least one glucose-lowering drug class in each year of interest were included, excluding those on insulin only. Proportions of patients in each nation, for each year, on each class of medication, and on combinations of classes were determined. Results Data from 238 619 patients were included in 2017. The proportion of patients on sulfonylureas (SUs) decreased in three out of four nations, while metformin decreased in Canada. Use of combinations of metformin and new drug classes increased in all nations, replacing combinations involving SUs. In 2017, more patients were on DPP4s (between 19.1% and 27.6%) than on SGLT2s (between 10.1% and 15.3%). Conclusion New drugs are displacing SUs. However, despite evidence of better outcomes, the adoption of SGLT2s lagged behind DPP4s.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Greiver, M., Havard, A., Bowles, J. K., Kalia, S., Chen, T., Aliarzadeh, B., Moineddin, R., Sherlock, J., Hinton, W., de Lusignan, S., Sullivan, F., O'Neill, B., Pow, C., Bhatt, A., Rahman, F., Meza-Torres, B., & Litchfield, M. (2021). Trends in diabetes medication use in Australia, Canada, England, and Scotland: a repeated cross-sectional analysis in primary care. British Journal of General Practice, 71(704), e209–e218.

MLA Style

Greiver, M., et al. “Trends in Diabetes Medication Use in Australia, Canada, England, and Scotland: a Repeated Cross-Sectional Analysis in Primary Care.” British Journal of General Practice, vol. 71, no. 704, Royal College of General Practitioners, 2021, pp. e209–e218.

Chicago Style

Greiver, M, A Havard, JK Bowles, S Kalia, T Chen, B Aliarzadeh, R Moineddin, et al. 2021. “Trends in Diabetes Medication Use in Australia, Canada, England, and Scotland: a Repeated Cross-Sectional Analysis in Primary Care.” British Journal of General Practice 71 (704): e209–e218.
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