Abstract
Objective Sodium-glucose cotransporter 2 (SGLT2) inhibitors, which are hypoglycemic agents, have been shown to be cardioprotective through a variety of mechanisms, and the effect of lowering uric acid (UA) levels may be one of the mechanisms. In the present retrospective study, we investigated the changes in serum UA levels in patients with chronic kidney disease (CKD) treated with SGLT2 inhibitors. Methods We included 31 patients with CKD who were newly started on dapagliflozin for renal protection and evaluated trends in various parameters, including serum UA levels and UA excretion from urine. Results The patients' median age was 71 years old, 20 patients were men, 7 patients had diabetes, and the median estimated glomerular filtration rate was 33.9 mL/min/1.73 m2 (CKD stage 3: 21 cases, stage 4: 10 cases). The differences in UA and fractional excretion of UA after three weeks and three months of prescription showed significantly decreased UA values and an increased fractional excretion of UA. Conclusion Our findings suggest that dapagliflozin can lower serum UA levels via increased UA excretion, even in patients with advanced CKD.
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