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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

ClinicalTrials.gov ID: NCT04727528

Public ClinicalTrials.gov record NCT04727528. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 5:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Double-blind Randomized Placebo-controlled Parallel Design Multicenter Phase IIIb Study of the Effect of Sodium Zirconium Cyclosilicate (SZC) on Serum Potassium and Serum Bicarbonate in Patients With Hyperkalemia and Metabolic Acidosis Associated With Chronic Kidney Disease (NEUTRALIZE)

Study identification

NCT ID
NCT04727528
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
39 participants

Conditions and interventions

Interventions

  • Sodium zirconium cyclosilicate Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 130 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 21, 2021
Primary completion
Sep 13, 2022
Completion
Sep 13, 2022
Last update posted
Oct 5, 2023

2021 – 2022

United States locations

U.S. sites
29
U.S. states
17
U.S. cities
28
Facility City State ZIP Site status
Research Site Florence Alabama 35630
Research Site Chula Vista California 91910
Research Site Downey California 90242
Research Site El Centro California 92243
Research Site South Gate California 90280
Research Site Victorville California 92395
Research Site Aurora Colorado 80045
Research Site Denver Colorado 80230
Research Site Coral Gables Florida 33134
Research Site Columbus Georgia 31904
Research Site Hinsdale Illinois 60521
Research Site Kansas City Missouri 64111
Research Site Las Vegas Nevada 89128
Research Site The Bronx New York 10461
Research Site Asheville North Carolina 28801
Research Site New Bern North Carolina 28562
Research Site Winston-Salem North Carolina 27103
Research Site Providence Rhode Island 02903
Research Site Spartanburg South Carolina 29306
Research Site Chattanooga Tennessee 37404
Research Site Memphis Tennessee 38163
Research Site Dallas Texas 75230
Research Site Dallas Texas 75246
Research Site San Antonio Texas 78258
Research Site Shenandoah Texas 77384
Research Site Alexandria Virginia 22304
Research Site Norfolk Virginia 23510
Research Site Bellevue Washington 98004
Research Site Milwaukee Wisconsin 53226

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04727528, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 5, 2023 · Synced Jul 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04727528 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →