Two cases of advanced stage rapidly progressive diabetic nephropathy effectively treated with combination therapy including RAS blocker, GLP-1 receptor agonist and SGLT-2 inhibitor
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We herein report two cases of advanced stage rapidly progressive diabetic nephropathy that were effectively treated with combination therapy including renin–angiotensin–aldosterone system (RAS) blocker [angiotensin II receptor blocker (ARB)], glucagon-like peptide-1 (GLP-1) receptor agonist and sodium glucose transporter-2 (SGLT-2) inhibitor. A 30-year-old woman with advanced stage diabetic nephropathy [estimated glomerular filtration rate (eGFR): 20.7 mL/min/1.73 m2; proteinuria: 13.2 g/gCr], showing a rapidly progressive pattern (annual eGFR change: − 60.0 mL/min/1.73 m2/year), had improvement in proteinuria (5.9 g/gCr) and eGFR change (+ 4.3 mL/min/1.73 m2 over 15 weeks) after administration of ARB (irbesartan 25 mg/day), GLP-1 receptor agonist (liraglutide 0.3 mg/day) and SGLT-2 inhibitor (canagliflozin 50 mg/day). A 59-year-old man with advanced stage diabetic nephropathy (eGFR: 32.4 mL/min/1.73 m2; proteinuria: 8.90 g/gCr), showing a rapidly progressive pattern (annual eGFR change: − 21.2 mL/min/1.73 m2/year), had an improvement in proteinuria (0.02 g/gCr) and annual eGFR change (+ 0.1 mL/min/1.73 m2/year) after combination therapy with ARB (olmesartan 40 mg/day), GLP-1 receptor agonist (liraglutide 0.9 mg/day) and SGLT-2 inhibitor (tofogliflozin 10 mg/day). These results suggest that this triple combination therapy has renoprotective effects on advanced stage rapidly progressive diabetic nephropathy.
KeywordsRapidly progressive diabetic nephropathy Angiotensin II receptor blocker Glucagon-like peptide-1 receptor agonist Sodium glucose transporter-2 inhibitor
Compliance with ethical standards
Conflict of interest
The authors have declared that no conflict of interest exists.
Human and animal rights statement
This article does not contain any studies with human participants or animals performed by any of the authors.
Informed consent was obtained from the patients in these case reports.
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