ASCERTAIN: Assessment of Everolimus in Addition to Calcineurin Inhibitor Reduction in the Maintenance of Renal Transplant Recipients

Inclusion Criteria: * Male or female patient at least 18 years of age. * Patient who has undergone a primary or secondary renal transplant 12-96 months ago from a living related or unrelated donor or a cadaveric donor. * Patient receiving cyclosporine microemulsion with a C2-h level ≥ 400 ng/mL or tacrolimus with a C0-h level ≥ 4 ng/mL with or without mycophenolic acid or azathioprine plus or minus steroids. * The immunosuppressive regimen must remain unchanged within the last 3 months. * Patient with renal impairment defined as GFR between 30 and 70 mL/min/1.73 m\^2 by Cockcroft-Gault formula. Exclusion Criteria: * Patient who is recipient of multiple organ transplants. * Patient with protein/creatinine ratio ≥ 150 (mg/mmol). * Patient with a treated acute rejection episode within the last 3 months. * Patient with any past or present BK-polyomavirus nephropathy. * Patient with de novo or recurrent glomerular nephritis. Other protocol defined inclusion/exclusion criteria may apply.