Effect of semaglutide on kidney function across different levels of baseline HbA1c, blood pressure, body weight and albuminuria in SUSTAIN 6 and PIONEER 6

Ellen M Apperloo, David Z I Cherney, Anja Birk Kuhlman, Johannes F E Mann, Søren Rasmussen, Peter Rossing, Katherine R Tuttle, Blaz Vrhnjak, Hiddo J L Heerspink

Abstract

BACKGROUND AND HYPOTHESIS: This post-hoc analysis explored the semaglutide effects on eGFR slope by baseline glycemic control, blood pressure (BP), body mass index (BMI), and albuminuria status in people with type 2 diabetes and high cardiovascular risk.

METHODS: Pooled SUSTAIN 6 and PIONEER 6 data were analyzed for change in estimated glomerular filtration (eGFR) slope by baseline HbA1c (<8%/≥8%; <64 mmol/mol/≥64 mmol/mol), systolic BP (<140/90 mmHg/≥140/90 mmHg), and BMI (<30 kg/m2/≥30 kg/m2). SUSTAIN 6 data were analyzed by baseline urinary albumin: creatinine ratio (UACR; <30/30 - 300/>300 mg/g).

RESULTS: The estimated absolute treatment differences (ETD) overall in eGFR slope [95% confidence intervals] favored semaglutide versus placebo in the pooled analysis (0.59 [0.29;0.89] mL/min/1.73m2/year) and in SUSTAIN 6 (0.60 [0.24;0.96] mL/min/1.73m2/year); the absolute benefit was consistent across all HbA1c, BP, BMI, and UACR subgroups (all p-interaction > 0.5).

CONCLUSION: A clinically meaningful reduction in risk of chronic kidney disease progression was observed with semaglutide versus placebo regardless of HbA1c, BP, BMI, and UACR levels.

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