{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T18:01:29Z","timestamp":1772733689433,"version":"3.50.1"},"reference-count":52,"publisher":"S. Karger AG","issue":"3","license":[{"start":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T00:00:00Z","timestamp":1764201600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"},{"start":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T00:00:00Z","timestamp":1764201600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nephron"],"abstract":"<jats:p>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 was 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 \u2013 estimated glomerular filtration rate (GFR) \u226530 mL\/min, obesity, and MS treated by therapeutic exercise (aerobic and resistance) for 6 months. We evaluated changes in renal outcomes \u2013 measured glomerular filtration rate (mGFR) with iohexol-DBS and albuminuria, and metabolic outcomes \u2013 weight and MS traits. Biochemical, anthropometric, and renal function were performed every 3 months. Results: Forty patients were evaluated. All were overweight or obese, mGFR was 58 \u00b1 20 mL\/min, and the urine albumin-creatinine ratio (UACR) was 256 mg\/g [IQR: 38\u2013774]. Based on weight reduction (&gt;5%), patients were classified as \u201cresponders\u201d (n = 30) and \u201cnonresponders\u201d (n = 10). Responders had a major reduction in body mass index from 35 \u00b1 4 to 31 \u00b1 4 kg\/m2 (p &lt; 0.001), triglycerides, HbA1c, systolic and diastolic blood pressure, and UACR from 222 [20\u2013610] to 89 [17\u2013413] mg\/g (p &lt; 0.01), whereas mGFR diminished (\u22657%) in half of them and remained stable in the other half. Nonresponders 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 GFR changes is crucial in CKD. The role of exercise in nephrological care deserves further attention. 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