Pharmacodynamic & Safety of Patiromer in Children & Adolescents (2-<18 Yrs) With Chronic Kidney Disease and Hyperkalemia

Brief description of study

The purpose of this study is to evaluate the change in serum (blood) potassium levels from start of treatment to Day 14, when patiromer is administered at different doses, once daily, in children 2 - < 18 years of age with chronic kidney disease (CKD) and hyperkalemia (too much potassium in the blood). Another purpose of the study is to evaluate the safety and tolerability of patiromer in children 2 - < 18 years of age with CKD and hyperkalemia.

Detailed Study Description

Up to 54 subjects, 2 - < 18 years of age with CKD (estimated glomerular filtration rate [eGFR] < 60 mL/min/1.73 m2 ) and hyperkalemia (two potassium measurements of 5.1 to < 6.5 mEq/L performed on separate days) will be enrolled in this open-label, multiple-dose, Phase 2 study. The study will include two treatment phases: Pharmacodynamic (PD; drug effect on potassium) / Dose Finding Phase consisting of the initial 14-day dose finding period followed by an up to 5.5-month Long-Term Treatment Phase for a total study participation duration for individual subjects of up to 6.5 months (includes a 2 week follow up period).

Clinical Study Identifier: NCT03087058

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