Trial reportKidney & blood pressure research2026
Factors Influencing the Efficacy of Low-Dose Spironolactone in Adults with Chronic Kidney Disease and Type 2 Diabetes: A post hoc Analysis.
Trial report in Kidney & blood pressure research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
introductionWe previously reported the efficacy and safety of low-dose (12.5 mg/day) spironolactone for chronic kidney disease (CKD) with diabetes. Few studies have examined the characteristics of patients who may have reduced urinary albumin-creatinine ratio (UACR) on mineralocorticoid receptor antagonists. In this study, we aimed to identify the clinical characteristics of patients prone to benefit from UACR reduction with low-dose spironolactone.
methodsThis was a post hoc analysis of a previous trial and included 55 patients assigned to the spironolactone group. Univariate regression analysis was performed to determine the association between the change in UACR after 24 weeks of low-dose spironolactone administration and baseline exploratory parameters. Multiple regression analysis was conducted on the associated parameters, and regression models were created for analysis. A similar analysis was performed for changes in serum potassium levels and estimated glomerular filtration rate (eGFR) after 24 weeks of spironolactone administration.
resultsIn the univariate analysis, baseline UACR, triglyceride levels, and eGFR were associated with changes in UACR. The regression coefficient estimates were significant for baseline UACR, triglyceride levels, and eGFR (p = 0.002, 0.017, and 0.003, respectively). The reduction in UACR was greater with higher baseline UACR and triglyceride levels, and lower baseline eGFRs. The increase in serum potassium levels due to low-dose spironolactone administration showed a negative correlation with baseline serum potassium levels and no correlation with baseline eGFR, suggesting its safety.
conclusionsIt may not be too late to start treatment with low-dose spironolactone, even in patients with relatively advanced CKD with diabetes.
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