Supplementary Material for: Exercise intervention in patients with metabolic syndrome and renal disease: a prospective study (EXRED)
Introduction: In patients with chronic kidney disease (CKD) of diverse causes, obesity and metabolic syndrome (MS) accelerate disease progression. Therapeutic exercise could be effective in treating obesity and MS in patients with CKD. However, the evidence in this area is limited. The aim of this r...
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2025
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| Summary: | Introduction: In patients with chronic kidney disease (CKD) of diverse causes, obesity and metabolic syndrome (MS) accelerate disease progression. Therapeutic exercise could be effective in treating obesity and MS in patients with CKD. However, the evidence in this area is limited. The aim of this research is to evaluate the effect of an individualized exercise program on major metabolic and renal outcomes in patients with CKD, obesity and MS. Methods: This was an interventional exploratory study that included patients with established CKD - estimated glomerular filtration rate (eGFR) ≥ 30 ml/min, obesity and MS treated by therapeutic exercise (aerobic and resistance) for 6 months. We evaluated changes in renal outcomes - measured glomerular filtration rate (mGFR) with iohexol-DBS and albuminuria, and metabolic outcomes - weight and MS trait. Biochemical, anthropometric and renal function were performed every 3 months. Results: Forty patients were evaluated. All were overweight or obese, mGFR was 58 ± 20 ml/min and urine albumin-creatinine ratio (UACR) 256 mg/g [IQR: 38-774]. Based on weight reduction (>5%), patients were classified as “responders” (n=30) and “non-responders” (n=10). Responders had a major reduction in body mass index (BMI) from 35 ± 4 to 31 ± 4 Kg/m² (p<0.001), triglycerides, HbA1c, systolic and diastolic blood pressure and UACR from 222 [20 – 610] to 89 [17 – 413] mg/g (p<0.01), whereas mGFR diminished (≥7%) in half of them and remained stable in the other half. Non-responders experienced no changes. No major side effects were observed. Conclusion: In patients with CKD, obesity and MS, exercise is an effective treatment to reduce weight, MS traits and albuminuria. Changes in mGFR are heterogeneous. Understanding the impact of weight reduction on glomerular filtration rate (GFR) changes is crucial in CKD. The role of exercise in Nephrological Care deserves further attention. The study trial registration number is NCT06576518. |
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