Study Comparing Cyclosporin Dose Reduction With Cyclosporin Elimination in Kidney Transplant Recipients Taking Sirolimus

Inclusion Criteria: * Age: = to ≥ 18 years. * End-stage renal disease, with patients scheduled to receive a primary or secondary renal allograft from a cadaveric donor, from a living-unrelated donor, or from a living-related donor. * Patients with second and subsequent transplants must have maintained their primary graft for at least 6 months after transplantation (with the exception of graft failure due to technical reasons). Exclusion Criteria: * Evidence of active systemic or localised major infection prior to initial Rapamune® administration. * Evidence of infiltrate, cavitation, or consolidation on chest x-ray obtained during screening. * Use of any investigational drug or treatment up to 4 weeks prior to enrolling in the study and during the 12-month treatment phase. Exception: the use of erythropoiesis stimulating products. In these cases, erythrocyte-stimulating products must be discontinued prior to administration of Rapamune®.