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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02107092
Registration number
NCT02107092
Ethics application status
Date submitted
3/04/2014
Date registered
8/04/2014
Date last updated
15/08/2018
Titles & IDs
Public title
Open-label Safety & Efficacy of ZS (Sodium Zirconium Cyclosilicate)10g qd to Extend Study ZS-004 in Hyperkalemia.
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Scientific title
Open-label Extension to Study ZS-004 [Phase 3 Multicenter, Multi-phase, Multi-dose, Prospective, Randomized, Double-blind, Placebo-controlled Maintenance Study of Safety Efficacy of ZS (Sodium Zirconium Cycolsilicate) in Hyperkalemia.]
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Secondary ID [1]
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ZS-004E
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hyperkalemia
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Condition category
Condition code
Metabolic and Endocrine
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Other metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Sodium Zirconium Cyclosilicate
Experimental: Sodium Zirconium Cyclosilicate - Open label oral administration of sodium zirconium cyclosilicate 10g once daily for 11 months.
Treatment: Drugs: Sodium Zirconium Cyclosilicate
Oral 10g once daily with breakfast for 11 months.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Proportion of Subjects With Average Serum Potassium Values = 5.1 mmol/L
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Assessment method [1]
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The proportions of subjects with average serum potassium (S-K) values = 5.1 mmol/L during Extended Dosing Study Days 8 to 337, inclusive
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Timepoint [1]
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11 months
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Secondary outcome [1]
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Proportion of Subjects With Average Serum Potassium Values = 5.5 mmol/L
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Assessment method [1]
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The proportions of subjects with average S-K values = 5.5 mmol/L during Extended Dosing Study Days 8 to 337, inclusive
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Timepoint [1]
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11 months
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Eligibility
Key inclusion criteria
* Provision of written informed consent.
* Completed the ZS-004 DBRMP Study Day 29 visit or discontinued study ZS-004 during the DBRMP due to hypo- or hyperkalemia and able to start dosing in ZS-004E within two (2) days after the last dose of Investigational product in ZS-004.
* Subject must have an i-STAT potassium value that is 3.5 to 6.2 mmol/l inclusive at the ZS-004 DBRMP Study Day 29 visit or a mean i-STAT potassium value from two consecutive measurements at 0 and 60 minutes on Acute Phase Day 1/Maintenance Phase Day 1 that is 3.5 to 6.2 mmol/l inclusive if the subject discontinued study ZS-004 during the DBRMP due to hypo- or hyperkalemia .
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Pseudohyperkalemia signs and symptoms, such as excessive fist clenching hemolyzed blood specimen, history of severe leukocytosis or thrombocytosis.
* Subjects who received alternative treatment for hyperkalemia while participating in study ZS-004.
* Subjects with a life expectancy of less than 3 months.
* Subjects who are severely physically or mentally incapacitated and who in the opinion of investigator are unable to perform the subjects' tasks associated with the protocol.
* Women who are pregnant, lactating, or planning to become pregnant.
* Subjects with diabetic ketoacidosis.
* Presence of any condition which, in the opinion of the investigator, places the subject at undue risk or potentially jeopardizes the quality of the data to be generated.
* Known hypersensitivity or previous anaphylaxis to ZS or to components thereof.
* Treatment with a drug or device other than ZS within the last 30 days that has not received regulatory approval at the time of study entry.
* Subjects with cardiac arrhythmias that require immediate treatment.
* Subjects on dialysis.
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Study design
Purpose of the study
Other
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
31/05/2014
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
31/08/2015
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Sample size
Target
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Accrual to date
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Final
123
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,VIC
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Recruitment hospital [1]
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- Gosford
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- Woolloongabba
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- Heidelberg
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- Melbourne
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Recruitment hospital [5]
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- Parkville
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Recruitment postcode(s) [1]
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- Gosford
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Recruitment postcode(s) [2]
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- Woolloongabba
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Recruitment postcode(s) [3]
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- Heidelberg
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- Melbourne
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Recruitment postcode(s) [5]
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- Parkville
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Recruitment outside Australia
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United States of America
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Alabama
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Arizona
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California
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Florida
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Georgia
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Illinois
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Louisiana
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Michigan
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New York
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Pennsylvania
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Rhode Island
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South Carolina
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Tennessee
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Texas
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South Africa
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Meyerspark
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South Africa
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Port Elizabeth
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South Africa
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Somerset West
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
ZS Pharma, Inc.
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
Subjects who completed the Double-blind Randomized Maintenance Phase (DBRMP) Study Day 29 visit in ZS-004 (NCT 02088073) and have an i-STAT potassium value that is 3.5 to 6.2 mmol/l inclusive or who discontinued during ZS-004 due to hypo- or hyperkalemia in the DBRMP and have a mean i-STAT potassium value from two consecutive measurements at 0 and 60 minutes on Acute Phase Day 1/Maintenance Phase Day 1 that is 3.5 to 6.2 mmol/l inclusive may have the option to participate in ZS-004E (NCT 021070920). Subjects who discontinued from study ZS-004 due to any other reasons (e.g. adverse events, poor compliance, investigator decision) will not be entered into study ZS-004E. All subjects who continue into the extension study must begin dosing within two (2) days after the last dose of investigational product in ZS-004.
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Trial website
https://clinicaltrials.gov/study/NCT02107092
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Henrik Rasmussen, MD, PhD
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Address
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ZS Pharma, Inc.
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Fax
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Email
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Contact person for public queries
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT02107092
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