Hyperuricemia (HU) in renal transplant (RT) has been defined, like general population, with KDIGO Guides, as over 6 mg/dl values in women and 7 mg/dl in men. HU incidence in some populations are 28%, reaching 80% in Cyclosporine era (CSA). HU is early observed after RT, risk factors associated with its development include: advanced age at the time of RT; gout history or preexisting HU; obesity; metabolic syndrome presence (MS); graft function deterioration; use of Inmunosuppression drugs, mainly cyclosporine (CSA); use of diuretics.