Sodium Zirconium Cyclosilicate to Allow Liberal Fruit and Vegetable Intake for Patients With CKD Stage 3b and 4

In the case of hyperkalemia patients will be treated with Sodium zirconium cyclosilicate to allow the continuation of potassium enriched diet. In case hyperkalemia arises in the control group, patients will be treated with Sodium zirconium cyclosilicate as well.