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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Sodium Zirconium Cyclosilicate Clear all
Completed Phase 2 Interventional Results available

A Study to Evaluate a Potassium Normalization Treatment Regimen Including Sodium Zirconium Cyclosilicate (ZS) Among Patients With S-K ≥5.8

NCT03337477
View directory record Official record
Conditions
Hyperkalemia
Interventions
Placebo, Sodium Zirconium Cyclosilicate(ZS), Insulin, Glucose
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
12
States / cities
Montgomery, Alabama • Phoenix, Arizona • Detroit, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 20, 2026, 3:06 AM EDT
Completed No phase listed Observational

Patient Palatability and Preference of 3 Potassium Binders in Patients With Chronic Kidney Disease and Hyperkalaemia

NCT04566653
View directory record Official record
Conditions
Chronic Kidney Disease + Hyperkalaemia +/- Heart Failure
Interventions
Calcium Polystyrene Sulphonate 15g/60 mL water, Lokelma® 5 g/45mL water, Lokelma® 10 g/45 mL water, Veltassa® 8,4 g/80mL water, Sodium Polystyrene Sulphonate 15g/60 mL water
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Temple Terrace, Florida • West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 20, 2026, 3:06 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 19, 2020 · Synced Sep 20, 2026, 3:06 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effect of Sodium Zirconium Cyclosilicate on Chronic Kidney Disease (CKD) Progression in Participants With CKD and Hyperkalaemia or at Risk of Hyperkalaemia

NCT05056727
View directory record Official record
Conditions
Renal Insufficiency, Chronic, Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate (SZC), Placebo, Lisinopril, Valsartan, Irbesartan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
42
States / cities
Surprise, Arizona • Tucson, Arizona • Canyon Country, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 20, 2026, 3:06 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 Jan 31, 2021 · Synced Sep 20, 2026, 3:06 AM EDT
Terminated Phase 2 Interventional Results available

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

NCT03532009
View directory record Official record
Conditions
Heart Failure
Interventions
Sodium Zirconium Cyclosilicate, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 150 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
14
States / cities
National City, California • Stanford, California • Waterbury, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 20, 2026, 3:06 AM EDT
Completed Phase 4 Interventional

A Prospective, Randomized, Open-Label, Cross-Over Study of Lokelma to Control Interdialytic Hyperkalemia

NCT05535920
View directory record Official record
Conditions
Hyperkalemia
Interventions
LOKELMA 5 GM Powder for Oral Suspension
Drug
Lead sponsor
NephroNet, Inc.
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
5
States / cities
La Jolla, California • Lawrenceville, Georgia • Fort Wayne, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 20, 2026, 3:06 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 8, 2025 · Synced Sep 20, 2026, 3:06 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 18, 2023 · Synced Sep 20, 2026, 3:06 AM EDT
Completed Phase 3 Interventional Results available

Open-label Safety & Efficacy of ZS (Sodium Zirconium Cyclosilicate)10g qd to Extend Study ZS-004 in Hyperkalemia.

NCT02107092
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
41
States / cities
Anniston, Alabama • Huntsville, Alabama • Scottsboro, Alabama + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 20, 2026, 3:06 AM EDT
Recruiting Phase 3 Interventional

An Open-label Study to Assess Safety and Efficacy of SZC in Paediatric Patients With Hyperkalaemia

NCT03813407
View directory record Official record
Conditions
Hyperkalaemia
Interventions
Sodium Zirconium Cyclosilicate (SZC) Reduced Dose Level, Sodium Zirconium Cyclosilicate (SZC) Dose Level 1 (DL1), Sodium Zirconium Cyclosilicate (SZC) Dose Level 2 (DL2), Sodium Zirconium Cyclosilicate (SZC) Dose Level 3 (DL3), Sodium Zirconium Cyclosilicate (SZC) Dose During 28 Day Maintenance Phase
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
0 Years to 18 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
14
States / cities
Birmingham, Alabama • Atlanta, Georgia • Baltimore, Maryland + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 20, 2026, 3:06 AM EDT
Completed Phase 3 Interventional Results available

Open-label Safety and Efficacy of Sodium Zirconium Cyclosilicate for up to 12 Months

NCT02163499
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
36
States / cities
Scottsboro, Alabama • Tempe, Arizona • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Sep 20, 2026, 3:06 AM EDT
Completed Phase 3 Interventional Results available

Safety & Efficacy of Zirconium Silicate Dosed for 28 Days in Hyperkalemia.

NCT02088073
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium zirconium cyclosilicate, Placebo
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
38
States / cities
Anniston, Alabama • Huntsville, Alabama • Scottsboro, Alabama + 35 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 20, 2026, 3:06 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 17, 2025 · Synced Sep 20, 2026, 3:06 AM EDT
Terminated Phase 3 Interventional Results available

Study of the Effect of SZC on Serum Potassium and Serum Bicarbonate in Patients With Hyperkalemia and Metabolic Acidosis Associated With Chronic Kidney Disease

NCT04727528
View directory record Official record
Conditions
Hyperkalaemia, Metabolic Acidosis, Chronic Kidney Disease
Interventions
Sodium zirconium cyclosilicate, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
29
States / cities
Florence, Alabama • Chula Vista, California • Downey, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Sep 20, 2026, 3:06 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 21, 2026 · Synced Sep 20, 2026, 3:06 AM EDT