Introduction Recent studies have shown that sodium-glucose cotransporter 2 (SGLT2) inhibitors slow the progression of chronic kidney disease in people at high cardiovascular risk, with or without type 2 diabetes. To date, all published studies have excluded kidney transplant recipients (KTRs). The Dapagliflozin Early After Kidney Transplantation (DEAK) study aims to prospectively evaluate the effects of the SGLT2 inhibitor dapagliflozin on kidney function, histopathology and metabolic outcomes among de novo KTRs. Methods and analyses This nationwide, investigator-initiated, single-transplant-centre, randomised, placebo-controlled, prospective clinical trial with two parallel groups aims to enrol 330 de novo adult KTRs (aged 18–75 years) with an estimated glomerular filtration rate (eGFR) of at least 25 mL/min/1.73 m². Participants are enrolled 6–8 weeks after transplantation and randomised 1:1 to receive dapagliflozin 10 mg/day or placebo for 3 years. Recipients with conditions that may intermittently affect kidney function, such as recent acute rejection or ongoing infection, are ineligible for inclusion. The primary endpoint of the study is the difference in the chronic eGFR slope between treatment groups over 3 years, estimated using the European Kidney Function Consortium equation. Secondary and safety endpoints include changes in measured GFR (iohexol clearance), urinary albumin/creatinine ratio, blood pressure, infections and safety clinical chemistry. Exploratory endpoints evaluated after 1.5 years include changes in body composition and glucose tolerance; between-group differences in urinary metabolomics; transplant kidney biopsy inflammation and fibrosis scores (n=140) and kidney biopsy messenger RNA and protein expression (n=50). The protocol also includes a 10-year poststudy registry follow-up of eGFR slope, cardiovascular events and graft and patient survival. Ethics and dissemination The study protocol (EudraCT number: 2022-002428-10) has been approved by the Norwegian Medical Products Agency, the Regional Committee for Medical Research Ethics in Southeast Norway (REK Southeast number 426076) and by the data protection offices at the participating hospitals. The main results will be published in international, peer-reviewed scientific journals. Trial registration number NCT05788276 .
Kongerud et al. (Mon,) studied this question.
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