Endocrinol Metab.  2019 Mar;34(1):70-79. 10.3803/EnM.2019.34.1.70.

Retrospective Analysis of the Efficacy of Dapagliflozin in Patients with Type 2 Diabetes in a Primary Clinic in Korea

Affiliations
  • 1Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea. hongsiri@hanmail.net
  • 2Huh's Diabetes Center and 21st Century Diabetes and Vascular Research Institute, Seoul, Korea. huh7181827@hanmail.net

Abstract

BACKGROUND
We aimed to retrospectively analyze the efficacy of 10 mg dapagliflozin (DAPA), which is a sodium-glucose cotransporter-2 inhibitor, in Korean patients with type 2 diabetes who visited a primary diabetes clinic.
METHODS
In total, 83 patients with type 2 diabetes, who received treatment with DAPA for the first time in a primary diabetes clinic between January 2015 and October 2015, were included in the study. The effect of DAPA in lowering glycosylated hemoglobin (HbA1c) levels was evaluated via chart review at 6 months follow-up. The patients were categorized into five groups according to add-on to or switched from other glucose-lowering agents: add-on to metformin (MET, n=10), add-on to MET+dipeptidyl peptidase 4 inhibitor (DPP4i, n=12), switched from sulfonylurea (SU, n=13), switched from DPP4i (n=11), and switched from thiazolidinedione (TZD, n=37). All the participants had already used MET for their regimen.
RESULTS
Treatment with DAPA reduced HbA1c level by 1.2%±0.8%. Moreover, a significant decrease was observed in all subgroups: add-on to MET, −1.2%±0.7%; add-on to MET+DPP4i, −1.4%±0.8%; switched from SU, −1.4%±0.7%; switched from DPP4i, −0.5%±0.7%; and switched from TZD, −1.2%±0.9% (P<0.01). A significant decrease in body weight (−3.1±2.6 kg, P<0.001) was observed after DAPA administration. Estimated glomerular filtration rate and urine microalbumin were significantly decreased after 6 months of treatment with DAPA (−4.0±13.5 mL/min/1.73 m2, P=0.03; −23.6±45.9 mg/L, P<0.001).
CONCLUSION
Treatment with DAPA, whether added to or switched from other glucose-lowering agents, significantly decreased HbA1c levels in Korean patients with type 2 diabetes who visited a single primary diabetes clinic. DAPA can be considered as an optimal second-line treatment for patients with type 2 diabetes, as supported by real-world evidence studies.

Keyword

Diabetes mellitus, type 2; Dipeptidyl-peptidase IV inhibitors; Dapagliflozin; Primary health care; Retrospective studies
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