The EFfect of FinErenone in Kidney TransplantiOn Recipients: The EFFEKTOR Study

Clinical Trial Inclusion Criteria: * Adult kidney transplant recipients ≥ 18 years * 1 to 10 years post kidney transplantation from a deceased or living donor * Stable kidney allograft function (within 20% baseline eGFR) and based on the clinical judgement of the investigator * Preserved kidney allograft function defined as an eGFR ≥ 25 mL/min/1.73 m * Urine albumin:creatinine ratio (UACR) ≥30 ug/mg * Ability of the participant, or their legally authorized representative, to provide informed consent * Contraceptive requirements: * Women of non-childbearing potential do not need to undergo pregnancy testing or agree to use adequate contraception. Non-childbearing potential is defined as documented hysterectomy, bilateral salpingectomy, oophorectomy or postmenopausal females (amenorrhea for 12 months without an alternative medical cause). A single high follicle stimulating hormone level in the postmenopausal range may be used to confirm a postmenopausal state. * Women of childbearing potential can only be included if a pregnancy test is negative at the screening visit and if they agree to use adequate contraception during the study and until 8 weeks after the last study intervention dose. Adequate contraception is defined as an intrauterine device, implant or combined oral contraceptive with a physical barrier (e,g., condom). Additional Inclusion Criteria for Kidney Biopsy Sub-study: * Willingness to undergo research study biopsies at screening and following the 12 month tre…