Last updated on March 2020

Potassium Reduction Initiative to Optimize RAAS Inhibition Therapy With Sodium Zirconium Cyclosilicate in Heart Failure


Brief description of study

This is an international, multicentre, parallel-group, randomised, double-blind, placebo controlled, phase II study to evaluate the benefits and risks of using sodium zirconium cyclosilicate (ZS) to initiate and intensify renin angiotensin aldosterone system inhibitor (RAASi) therapy in heart failure patients.

Detailed Study Description

Patients with chronic heart failure (NYHA II-IV) and serum potassium > 5.0 mmol/L or at high risk of developing hyperkalaemia will be enrolled. Patients signing informed consent will be screened for up to 14 days. Patients meeting the inclusion criteria, but not the exclusion criteria, are then randomized in a 1:1 ratio to receive ZS or placebo for 3 months while titrating RAASi therapies. Approximately 280 patients will be randomized in the study. Study treatment in this study refers to ZS or placebo, while RAASi therapies are considered background therapy and will not be provided by the study sponsor. Patients will participate in the study for approximately 16 to 18 weeks in total, depending on the duration of the screening period. A Safety Review Committee will be established to review emerging safety data

Clinical Study Identifier: NCT03532009

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