During a 15-year period 67 renal transplantations were performed in 60 patients aged 3 to 19 years. Cadaver donors were preferred (90%). By giving conventional immunosuppressive drugs (corticosteroids, azathioprine), graft survival was increased dramatically, attaining 82% after 1/2-5 years. Growth retardation remained a critical complication. Full rehabilitation was noted in 88% of all patients followed up for more than one year.