Study of Immunosuppressive Therapy Toxicities in Kidney Transplant Recipients at Regional or Satellite Community Clinics

Inclusion Criteria: * Patient is at least 18 months post transplant * Patient had the current transplant during the period 1 July 1997 to no less than 18 months prior to chart review * Patient is currently on tacrolimus/MMF or AZA - or cyclosporine/MMF or AZA based immunosuppressive therapy * Patient is not a recipient of dual kidney or multi -organ transplant * Patient has a functioning graft (i.e. patient does not require dialysis) * Patient is recipient of a renal transplant including living or cadaveric, related or non-related, or pediatric en bloc kidneys, but excluding kidney-pancreas transplant recipients * Patient received the current transplant at one of six identified regional transplant centers * Patient is currently followed in a regional or satellite community based nephrology clinic