The extracellular volume status predicts body fluid response to SGLT2 inhibitor dapagliflozin in diabetic kidney disease

Autor: Ken Ohara, Takahiro Masuda, Masato Morinari, Mari Okada, Atsushi Miki, Saki Nakagawa, Takuya Murakami, Kentaro Oka, Maki Asakura, Yasuharu Miyazawa, Akito Maeshima, Tetsu Akimoto, Osamu Saito, Daisuke Nagata
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Diabetology & Metabolic Syndrome, Vol 12, Iss 1, Pp 1-9 (2020)
Druh dokumentu: article
ISSN: 1758-5996
DOI: 10.1186/s13098-020-00545-z
Popis: Abstract Background Sodium–glucose cotransporter 2 (SGLT2) inhibitors are an antihyperglycemic drug with diuretic action. We recently reported that the SGLT2 inhibitor dapagliflozin ameliorates extracellular volume expansion with a mild increase in urine volume. However, the impact of the pretreatment extracellular volume status on the body fluid response to SGLT2 inhibitors remains unclear. Methods Thirty-six diabetic kidney disease (DKD) patients were treated with dapagliflozin. The body fluid volume, including intracellular water (ICW), extracellular water (ECW) and total body water (TBW), were measured on baseline and day 7 using a bioimpedance analysis (BIA) device. The ECW/TBW and ECW were used as markers of the extracellular volume status. For a comparison, the extracellular volume status responses to loop diuretic furosemide (n = 16) and vasopressin V2 receptor antagonist tolvaptan (n = 13) were analyzed. Results The body weight, brain natriuretic peptide and body fluid parameters measured by a BIA (ICW, ECW, TBW, and ECW/TBW) were significantly decreased for 1 week after dapagliflozin administration. The change in the ECW/TBW in the high-ECW/TBW group (over the median value of 0.413) was significantly higher than in the low-ECW/TBW group (− 2.1 ± 0.4 vs. − 0.5 ± 0.4%, p = 0.006). Only with dapagliflozin treatment (not furosemide or tolvaptan treatment) was the baseline ECW/TBW significantly correlated with the changes in the ECW/TBW (r = − 0.590, p
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