Comparison of Clinical Performance and Hemocompatibility of Dialyzers Applied During Post-dilution Online Hemodiafiltration

Three consecutive treatment periods of four weeks, one last study week where the patient is re-assigned to the same type of dialyzer used before beginning the study and one follow-up week per patient. Each treatment period includes 12 hemodiafiltration HDF sessions and is assigned to one type of dialyzer: FX CorAL 600 Fresenius Medical Care, comparator FX CorDiax 600 Fresenius Medical Care and comparator xevonta Hi 15 (B. Braun).