Overview The Comparison of Tacrolimus and Sirolimus Immunosuppression Based Drug Regimens in Kidney Transplant Recipients Status: Completed Trial end date: 2008-12-01 Target enrollment: Participant gender: Summary This study was done to find out which treatment, tacrolimus or sirolimus, leads to better long-term kidney function in kidney transplant patients. Phase: Phase 4 Details Lead Sponsor: Mayo ClinicCollaborators: Genzyme, a Sanofi CompanyRoche Pharma AGWyeth is now a wholly owned subsidiary of PfizerTreatments: Antilymphocyte SerumCalcineurin InhibitorsEverolimusMycophenolate mofetilMycophenolic AcidPrednisoneSirolimusTacrolimusThymoglobulin