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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:56 AM EDT

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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hyperkalemia Clear all
Completed No phase listed Observational

Effect of Viscous Fiber on Postprandial Kalemic Response in Hemodialysis Patients

NCT05086185
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
Kalemic Response to Orange Juice, Kalemic Response to Orange Juice with Fiber
Diagnostic Test · Dietary Supplement
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 89 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 21, 2026, 1:56 AM EDT
Not listed Phase 1 Interventional

Potassium Binder in CKD Patients (With Hyperkalemia) (DiPo Trial)

NCT04727840
View directory record Official record
Conditions
Chronic Kidney Diseases, Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate Oral Product
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional

A Study Evaluating the Safety and Efficacy of RDX013 for the Treatment of Hyperkalemia

NCT04780841
View directory record Official record
Conditions
Hyperkalemia
Interventions
RDX013, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 85 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Coral Gables, Florida • Miami Lakes, Florida • Miami Springs, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 3 Interventional Results available

Safety & Efficacy of Zirconium Silicate in Mild to Moderate Hyperkalemia

NCT01737697
View directory record Official record
Conditions
Hyperkalemia
Interventions
Zirconium silicate (acute phase), Zirconium silicate (subacute phase), Placebo (acute phase), Placebo ( subacute phase)
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
754 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
42
States / cities
Anniston, Alabama • Huntsville, Alabama • Glendale, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 3 Interventional Results available

A Study to Test Whether ZS (Sodium Zirconium Cyclosilicate) Can Reduce the Incidence of Increased Blood Potassium Levels Among Dialized Patients.

NCT03303521
View directory record Official record
Conditions
Hyperkalemia
Interventions
Placebo, Sodium Zirconium Cyclosilicate (ZS)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
15
States / cities
Los Angeles, California • Ontario, California • San Dimas, California + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional Results available

Safety & Efficacy of Zirconium Silicate in Chronic Kidney Disease or Moderate Kidney Dysfunction With Mild Hyperkalemia

NCT01493024
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease, Kidney Dysfunction
Interventions
Zirconium silicate (ZS), Placebo
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
9
States / cities
Tempe, Arizona • Costa Mesa, California • Edgewater, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2018 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional Results available

The Effects of Patiromer on Serum Potassium Level and Gut Microbiome of ESRD Patients With Hyperkalemia

NCT03326583
View directory record Official record
Conditions
ESRD, Hyperkalemia, End Stage Renal Disease
Interventions
Patiromer
Drug
Lead sponsor
Dominic Raj
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 4 Interventional Results available

Comparison of Potassium Binders in the ER

NCT04585542
View directory record Official record
Conditions
Acute Hyperkalemia, Oral Potassium Binders
Interventions
Polyethylene Glycol 3350, Sodium Polystyrene Sulfonate Oral Suspension [SPS], Patiromer, Sodium zirconium cyclosilicate
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Results available

Relypsa For ED Acute Hyperkalemia Control and Reduction (REDUCE)

NCT02933450
View directory record Official record
Conditions
Kidney Failure, Chronic
Interventions
Patiromer 25.2 g
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Results available

Use of Patiromer to Transition Chronic Kidney Disease Patients With Hyperkalemia to a Plant-rich Diet.

NCT03183778
View directory record Official record
Conditions
Chronic Kidney Diseases, Hyperkalemia
Interventions
Patiromer, Research Diet Menu
Drug · Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2021 · Synced Oct 21, 2026, 1:56 AM EDT
Completed No phase listed Observational

REal World EVidence for TrEAtment of HyperkaLemia in Emergency Department: Multicenter, Prospective, Observational Study

NCT02607085
View directory record Official record
Conditions
Hyperkalemia
Interventions
Not listed
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Montgomery, Alabama • Detroit, Michigan • Royal Oak, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 2 Interventional Results available

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

NCT03087058
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer
Drug
Lead sponsor
Vifor Pharma, Inc.
Industry
Eligibility
2 Years to 17 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
10
States / cities
Palo Alto, California • Kansas City, Kansas • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Results available

Patiromer With or Without Food for the Treatment of Hyperkalemia

NCT02694744
View directory record Official record
Conditions
Hyperkalemia
Interventions
patiromer
Drug
Lead sponsor
Relypsa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
29
States / cities
Fountain Valley, California • Huntington Beach, California • Palm Springs, California + 21 more
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 2 Interventional

A Study Evaluating the Onset-of-Action, Safety, and Efficacy of RDX227675 for the Treatment of Hyperkalemia

NCT03018067
View directory record Official record
Conditions
Hyperkalemia
Interventions
RDX227675, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Cary, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Oct 21, 2026, 1:56 AM EDT
Completed No phase listed Observational Results available

POtassium and Cardiac Rhythm Trends in MaintENance HemoDialysis: A Multicenter, Prospective, Observational Study

NCT02609841
View directory record Official record
Conditions
Hyperkalemia
Interventions
Cardiac rhythm remote monitoring system
Device
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
9
States / cities
Los Angeles, California • San Jose, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 4 Interventional Results available

Mineralocorticoid Receptor Antagonism Clinical Evaluation in Atherosclerosis Add-On

NCT03597035
View directory record Official record
Conditions
Type2 Diabetes, Hyperkalemia
Interventions
Spironolactone
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
45 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 4 Interventional Results available

Study of SZC and Enhanced Nutrition Advice Compared to SoC in Dialysis Patients With Hyperkalaemia

NCT04997161
View directory record Official record
Conditions
Hyperkalaemia
Interventions
Sodium Zirconium Cyclosilicate (SZC), Enhanced dietary advice, Standard dietary advice including K+ restriction.
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Results available

Study to Assess Efficacy and Safety of SZC for the Management of High Potassium in Patients With Symptomatic HFrEF Receiving Spironolactone

NCT04676646
View directory record Official record
Conditions
Hyperkalaemia, Heart Failure With Reduced Ejection Fraction
Interventions
Sodium zirconium cyclosilicate, Placebo, Spironolactone
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
12
States / cities
Fairhope, Alabama • Los Angeles, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional

Pharmacokinetic Study of Tacrolimus and Mycophenolate Mofetil in Kidney Transplant Recipients With Hyperkalemia Receiving Patiromer

NCT03229265
View directory record Official record
Conditions
Hyperkalemia, Kidney Transplant
Interventions
Patiromer
Drug
Lead sponsor
The Rogosin Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 4 Interventional

Patiromer Utility as an Adjunct Treatment in Patients Needing Urgent Hyperkalemia Management

NCT04443608
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer Powder for Oral Suspension [Veltassa], Placebo
Drug
Lead sponsor
Comprehensive Research Associates
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
19
States / cities
Stanford, California • New Haven, Connecticut • Newark, Delaware + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 3 Interventional Results available

A Two-Part, Single-Blind, Phase 3 Study Evaluating the Efficacy and Safety of Patiromer for the Treatment of Hyperkalemia (OPAL)

NCT01810939
View directory record Official record
Conditions
Chronic Kidney Disease (CKD), Hyperkalemia (HK)
Interventions
Patiromer, Placebo
Drug
Lead sponsor
Relypsa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
14
States / cities
Azusa, California • Los Angeles, California • Sacramento, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Phase 3 Interventional Results available

Effect of Sodium Zirconium Cyclosilicate on Arrythmia-related Cardiovascular Outcomes in Participants on Chronic Hemodialysis With Recurrent Hyperkalemia (DIALIZE-Outcomes)

NCT04847232
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate (SZC), SZC Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
2,690 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
57
States / cities
Huntsville, Alabama • Mesa, Arizona • Bakersfield, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting Phase 2 Interventional

Effect of Patiromer in Children Under 12 Years of Age With High Blood Potassium Levels

NCT05766839
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer
Drug
Lead sponsor
Vifor Pharma, Inc.
Industry
Eligibility
0 Years to 11 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
13
States / cities
Aurora, Colorado • Jacksonville, Florida • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed No phase listed Observational

Cardiovascular and Renal Treatment in Heart Failure Patients With Hyperkalaemia or at High Risk of Hyperkalaemia

NCT04864795
View directory record Official record
Conditions
Heart Failure, Hyperkalemia
Interventions
Not listed
Lead sponsor
Vifor (International) Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
52
States / cities
Little Rock, Arkansas • La Jolla, California • Northridge, California + 46 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Oct 21, 2026, 1:56 AM EDT