Hyperkalemia Clinical Trial
Official title:
A Multicenter, Double-blind, Placebo-controlled, Randomized Withdrawal, Parallel Group Study of Patiromer for the Management of Hyperkalemia in Subjects Receiving Renin Angiotensin Aldosterone System Inhibitor (RAASi) Medications for the Treatment of Heart Failure (DIAMOND)
The purpose of this study is to assess the effects of patiromer compared with placebo on serum K+ in HF patients.
Prospective Phase 3b multinational, multicenter, double-blind, placebo-controlled, randomized withdrawal, parallel group study that includes screening and up to 12 weeks Run-in Phase (all subjects will have patiromer initiated and RAASi medications, including mineralocorticoid receptor antagonist (MRA) optimized) and a randomized withdrawal Blinded Treatment Phase. The study population includes subjects with heart failure (HF) with reduced ejection fraction (HFrEF) who are hyperkalemic (serum potassium [K+] > 5.0 mEq/L) while receiving treatment with renin angiotensin aldosterone system inhibitor (RAASi) medications or who are normokalemic (serum K+ 4.0 - 5.0 mEq/L) but have a history of hyperkalemia prior to screening with subsequent reduction or discontinuation of a RAASi medication. Each subject's participation includes a Run-in Phase (maximum 12 weeks) followed by the Treatment Phase (variable per subject). Study duration for individual subjects will vary, depending on their individual enrollment date. Subjects who prematurely discontinue patiromer/placebo will remain in the study for the collection of clinical events data and will receive usual care. ;
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