DaVita Clinical Research, formerly known as Total Renal Research, is a clinical trial site and site management organization located in Minneapolis, Minn. It specializes in renal trials. DCR has an in-patient unit located in the Hennepin County Medical Center in downtown Minneapolis. It is part of DaVita, a California-based provider of dialysis services at more than 1,200 outpatient centers located in over 40 states and the District of Columbia. Its team of nurses and technicians use modern technology and equipment to provide its hospital partners with a comprehensive range of services, including hemodialysis, peritoneal dialysis, hemoperfusion, apheresis and continuous renal replacement therapy. DaVita also provides comprehensive patient education programs and hospital staff training.