Dataset Information

Renal effects of SGLT2 inhibitors: an update.

ABSTRACT:

Purpose of review

SGLT2 inhibitors are a new class of antihyperglycemic drugs that protect kidneys and hearts of type 2 diabetic (T2DM) patients with preserved kidney function from failing. Here we discuss new insights on renal protection.

Recent findings

Also in T2DM patients with CKD, SGLT2 inhibition causes an immediate functional reduction in glomerular filtration rate (GFR) and reduces blood pressure and preserves kidney and heart function in the long-term, despite a lesser antihyperglycemic effect. According to modeling studies, the GFR reduction reduces the tubular transport work and metabolic demand, thereby improving renal cortical oxygenation. In humans, the latter is linked to protection from CKD. Urine metabolomics in T2DM patients suggested improved renal mitochondrial function in response to SGLT2 inhibition, and experimental studies indicated improved tubular autophagy. Modeling studies predicted that also in diabetic CKD, SGLT2 inhibition is natriuretic and potentially stimulates erythropoiesis by mimicking systemic hypoxia in the kidney. Meta-analyses indicated that SGLT2 inhibition also reduces risk and severity of acute kidney injury in T2DM patients. Studies in nondiabetic mice implied inhibition of the renal urate transporter URAT1 in the uricosuric effect of SGLT2 inhibition.

Summary

Renoprotection of SGLT2 inhibition involves blood glucose-dependent and independent effects and extends to CKD.

SUBMITTER: Nespoux J

PROVIDER: S-EPMC7224333 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Publications

Renal effects of SGLT2 inhibitors: an update.

Nespoux Josselin J Vallon Volker V

Current opinion in nephrology and hypertension 20200301 2

<h4>Purpose of review</h4>SGLT2 inhibitors are a new class of antihyperglycemic drugs that protect kidneys and hearts of type 2 diabetic (T2DM) patients with preserved kidney function from failing. Here we discuss new insights on renal protection.<h4>Recent findings</h4>Also in T2DM patients with CKD, SGLT2 inhibition causes an immediate functional reduction in glomerular filtration rate (GFR) and reduces blood pressure and preserves kidney and heart function in the long-term, despite a lesser a ...[more]

PMID: 31815757

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Project description:Introduction: The effects of sodium-glucose cotransporter-2 (SGLT2) inhibitors on renal outcomes in patients with chronic kidney disease (CKD) were initially demonstrated in recent trials. However, the magnitude of renal benefits for CKD patients with different baseline features and underlying diseases remains unclear. Method: We systematically searched the Embase, PubMed, Web of Science, and Cochrane library databases from inception to April 15, 2021 to identify eligible trials. The primary outcome was a composite of worsening kidney function, end-stage kidney disease (ESKD), or renal death. Efficacy and safety outcomes were stratified by baseline features, such as type 2 diabetes, heart failure, atherosclerotic cardiovascular disease, proteinuria, and renal function. Results: A total of nine studies were included. These studies included 25,749 patients with estimated glomerular filtration rate (eGFR)<60 mL/min/1.73 m2 and 12,863 patients with urine albumin-to-creatinine ratio (UACR) >300 mg/g. SGLT2 inhibitors reduced the risk of the primary renal outcome by 30% in patients with eGFR<60 mL/min/1.73 m2 (HR 0.70, [95% CI 0.58-0.83], I2 = 0.00%) and by 43% in patients with UACR > 300 mg/g (HR 0.57, [95% CI 0.48-0.67], I2 = 16.59%). A similar benefit was observed in CKD patients with type 2 diabetes. SGLT2 inhibitors had no clear effects on renal outcomes in patients with eGFR<60 mL/min/1.73 m2 combined with atherosclerotic cardiovascular disease (HR 0.74, [95% CI 0.51-1.06], I2 = 0.00%). However, they reduced the risk of major renal outcomes by 46% (HR 0.54, [95% CI 0.38-0.76], I2 = 0.00%) in patients with atherosclerotic cardiovascular disease and macroalbuminuria (defined as UACR > 300 mg/g). SGLT2 inhibitors did not significantly reduce the risk of major renal outcomes in CKD patients with heart failure (eGFR<60 mL/min/1.73 m2: HR 0.81, [95% CI 0.47-1.38], I2 = 0.00%; UACR > 300 mg/g: HR 0.66, [95% CI 0.41-1.07], I2 = 0.00%). SGLT2 inhibitors showed consistent renal benefits across different levels of eGFR (P interaction = 0.48). Conclusion: SGLT2 inhibitors significantly reduced the risk of the primary outcome in CKD patients. However, for patients with different features and underlying diseases, there exists differences in the renal protective effect.

Project description:AimsNo studies have comprehensively compared the efficacy of sodium-glucose cotransporter-2 (SGLT2) inhibitors, renin-angiotensin system (RAS) inhibitors, and angiotensin receptor neprilysin (ARN) inhibitors based on different type of heart failure, including heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF). The aim of this network meta-analysis was to evaluate the relative efficacy of SGLT2 inhibitor (SGLT2i), RAS inhibitor (RASi) and ARN inhibitor (ARNI) in different types of heart failure.MethodsA systemic literature search was performed from inception to 19 November 2022 for randomized control trials assessing the risk of cardiovascular (CV) death or hospitalization for heart failure (HHF) of these drugs in HF. A network meta-analysis was performed. Risk ratio (RR) with 95% confidence intervals (CI) were synthesized.ResultsSeventeen studies were selected with a total of 61 489 patients. In patients with HFrEF, ARNI led to a reduced risk of a composite outcome of CV death or HHF when compared with placebo (RR = 0.83, 95% CI 0.77-0.89). Similar trends were observed when focusing on the outcome of CV death or HHF alone. In patients with HFpEF, SGLT2i showed the beneficial effects on the CV death or HHF events when compared with placebo and RASi (RR = 0.82, 95% CI 0.74-0.92; RR = 1.16, 95% CI 1.02-1.31). For CV death, all these three drugs could not show beneficial effects in HFpEF. For the incidence of HHF in HFpEF, both SGLT2i and ARNI demonstrated the beneficial effects but SGLT2i was superior to ARNI. There were no differences in the events of discontinuation under these drugs when compared with placebo or each other in either HFrEF or HFpEF patients. SGLT2i showed the least renal injury among these interventions in HFrEF and there were no differences in the incidence of renal injury of these interventions in HFpEF.ConclusionsAmong these drugs, ARNI showed the greatest ability to lower the incidence of CV death or HHF and SGLT2i exerted the least renal injury in patients with HFrEF. In patients with HFpEF, SGLT2i was associated with a reduction in the risk of CV death or HHF. There were no differences in the incidence of renal injury of these interventions in HFpEF. The intolerance of these drugs were comparable in both HFrEF and HFpEF.

Dataset Information

Renal effects of SGLT2 inhibitors: an update.

Purpose of review

Recent findings

Summary

Publications

Renal effects of SGLT2 inhibitors: an update.

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