The present invention refers to a composition and a device comprising whole blood cells for treating cholesterol disorders for use in a method comprising administering at least one treatment regime including two or more rounds of plasmapheresis to a patient having abnormal total cholesterol, abnormal LDL levels and/or abnormal HDL levels prior to treatment. Treatment with said composition and device results in decreased LDL levels in patients having abnormal LDL levels and increased HDL levels in patients having abnormal HDL levels. Each subsequent round of plasmapheresis is conducted weekly, but no more than twice per week.