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Trial registered on ANZCTR
Registration number
ACTRN12616000950460
Ethics application status
Approved
Date submitted
1/07/2016
Date registered
19/07/2016
Date last updated
7/08/2020
Date data sharing statement initially provided
14/06/2019
Date results provided
14/06/2019
Type of registration
Retrospectively registered
Titles & IDs
Public title
Patterns of artificial kidney failure during continuous renal replacement therapy
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Scientific title
Patterns of artificial kidney failure during continuous renal replacement therapy
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Secondary ID [1]
289587
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None
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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:
Kidney injury
299349
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Condition category
Condition code
Renal and Urogenital
299330
299330
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0
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Other renal and urogenital disorders
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Renal and Urogenital
299357
299357
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0
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Kidney disease
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Intervention/exposure
Study type
Observational
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Patient registry
True
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Target follow-up duration
7
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Target follow-up type
Weeks
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Description of intervention(s) / exposure
To perform an analysis of continuous renal replacement therapy filter and circuit pressures that are monitored and recorded throughout the entire dialysis treatment period in order to determine the patterns of change associated with artificial kidney failure. Patient's will be followed through their intensive care unit admission in order to obtain continuous renal replacement therapy utilization through to hospital discharge.
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Intervention code [1]
295191
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Not applicable
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
298806
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Data on continuous renal replacement therapy filter and circuit pressure changes during treatment interventions will be downloaded from the dialysis machine. The data downloaded will then analysed to identify changes in each patient over time.
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Assessment method [1]
298806
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Timepoint [1]
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At the end of each continuous renal replacement therapy treatment.
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Primary outcome [2]
298826
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Hours of artificial filter life
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Assessment method [2]
298826
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Timepoint [2]
298826
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At the end of each continuous renal replacement therapy treatment via a medical record audit.
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Secondary outcome [1]
325257
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Access pressure value changes of the extracorporeal circuit as measured by the renal replacement therapy device.
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Assessment method [1]
325257
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Timepoint [1]
325257
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Continuous monitoring from commencement to end of continuous renal replacement therapy..
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Secondary outcome [2]
325316
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Filter pressure value changes of the extracorporeal circuit as measured by the renal replacement therapy device.
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Assessment method [2]
325316
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Timepoint [2]
325316
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Continuous monitoring from commencement to end of continuous renal replacement therapy..
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Secondary outcome [3]
325317
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Return pressure value changes of the extracorporeal circuit as measured by the renal replacement therapy device.
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Assessment method [3]
325317
0
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Timepoint [3]
325317
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Continuous monitoring from commencement to end of continuous renal replacement therapy..
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Secondary outcome [4]
325318
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Effluent pressure value changes of the extracorporeal circuit as measured by the renal replacement therapy device.
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Assessment method [4]
325318
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Timepoint [4]
325318
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Continuous monitoring from commencement to end of continuous renal replacement therapy..
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Secondary outcome [5]
325319
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Replacement pressure value changes of the extracorporeal circuit as measured by the renal replacement therapy device.
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Assessment method [5]
325319
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Timepoint [5]
325319
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Continuous monitoring from commencement to end of continuous renal replacement therapy..
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Eligibility
Key inclusion criteria
Adult critically ill patients who are receiving continuous renal replacement therapy as determined by their treating intensive care unit physician.
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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
Those aged less than 18 years, not admited to an intensive care unit and who do not receive renal replacement therapy as a part of their care during their admission to the intensive care unit.
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Study design
Purpose
Natural history
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Duration
Longitudinal
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Selection
Convenience sample
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Timing
Prospective
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Statistical methods / analysis
All statistical analysis will be performed using SPSS version 19.0 (SPSS, Chicago, IL). We will perform descriptive and frequency statistical procedures. The statistical analysis will also include baseline comparisons using Chi-square tests for equal proportion with results reported as numbers, percentages (%), and 95% confidence intervals (CI).
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
26/11/2014
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Date of last participant enrolment
Anticipated
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Actual
14/06/2019
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Date of last data collection
Anticipated
31/07/2019
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Actual
14/06/2019
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Sample size
Target
100
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Accrual to date
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Final
100
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
6067
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Austin Health - Austin Hospital - Heidelberg
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Recruitment postcode(s) [1]
13515
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3084 - Heidelberg
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Funding & Sponsors
Funding source category [1]
293975
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Other Collaborative groups
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Name [1]
293975
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Anaesthesia Intensive Care Trust Fund (Austin Hospital)
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Address [1]
293975
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c/o Professor Rinaldo Bellomo
Department of Intensive Care
Austin Hospital
145 Studley Road
Heidelberg
Victoria, 3084
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Country [1]
293975
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Australia
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Primary sponsor type
Hospital
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Name
Austin Health
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Address
145 Studley Road
Heidelberg
Victoria 3084
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Country
Australia
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Secondary sponsor category [1]
292789
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Individual
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Name [1]
292789
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Professor Rinaldo Bellomo
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Address [1]
292789
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Department of Intensive Care
Austin Hospital
145 Studley Road
Heidelberg
Victoria, 3084
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Country [1]
292789
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
295391
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Austin Health Human Research Ethics Committee
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Ethics committee address [1]
295391
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145 Studley Road Heidelberg Victoria, 3084
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Ethics committee country [1]
295391
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Australia
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Date submitted for ethics approval [1]
295391
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11/11/2014
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Approval date [1]
295391
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26/11/2014
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Ethics approval number [1]
295391
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LNR/14/Austin/596
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Summary
Brief summary
During continuous renal replacement therapy (CRRT), blood is passed through a multi-lumen extracorporeal circuit that includes access, filter, return, effluent and replacement/dialysate components. Although anticoagulants, such as heparin and citrate, are commonly used, clotting of extracorporeal circuit and filter commonly occurs leading to shortened therapy duration or a failure to delivery therapy. In addition, inadequate treatment leads to circuit loss (including increased blood loss), increased costs (of circuits) and a loss of nursing time. The relationship between circuit pressures and artificial kidney failure in CRRT remains unclear. In response, we wish to perform an analysis of CRRT filter and circuit pressures in order to determine the patterns of change associated with artificial kidney failure. Specifically, we wish to evaluate the relative contribution of access circuit, filter, effluent, return circuit and trans-membrane (across the filter) pressures on the lifespan of the artificial kidney. In this pilot investigation we feel that 100 CRRT circuits will provide sufficient quantity of data to aid in the description of patterns of circuit pressure changes occurring during CRRT. Significantly, the findings of this study would provide insight into the dynamic changes of circuit pressures during CRRT, and defined the patterns of artificial kidney failure in CRRT. Such information will inform future prospective investigations aimed at improving the care of critically ill patients requiring CRRT. We plan to publish the audit findings in peer-reviewed critical care or artificial kidney injury journals. Participant anonymity and confidentiality will be preserved as only aggregated findings will be presented or reported.
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Trial website
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Trial related presentations / publications
Zhang L, Tanaka A, Zhu G, Baldwin I, Eastwood GM, Bellomo R. Patterns and Mechanisms of Artificial Kidney Failure during Continuous Renal Replacement Therapy. Blood Purif 2016:41:254-263.
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Public notes
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Attachments [1]
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/AnzctrAttachments/371009-Zhang et al - Patterns and mechanisms of artificial kidney failure during CRRT - Blood Purif 2016.pdf
(Publication)
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Contacts
Principal investigator
Name
67094
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Prof Rinaldo Bellomo
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Address
67094
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Department of Intensive Care
Austin Hospital
145 Studley Road
Heidelberg VIC 3084
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Country
67094
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Australia
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Phone
67094
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+61 3 9496 5992
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Fax
67094
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+61 3 9496 3932
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Email
67094
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[email protected]
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Contact person for public queries
Name
67095
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Glenn Eastwood
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Address
67095
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Department of Intensive Care
Austin Hospital
145 Studley Road
Heidelberg VIC 3084
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Country
67095
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Australia
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Phone
67095
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+61 3 9496 4835
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Fax
67095
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+61 3 9496 3932
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Email
67095
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[email protected]
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Contact person for scientific queries
Name
67096
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Rinaldo Bellomo
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Address
67096
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Department of Intensive Care
Austin Hospital
145 Studley Road
Heidelberg VIC 3084
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Country
67096
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Australia
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Phone
67096
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+61 3 9496 5992
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Fax
67096
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+61 3 9496 3932
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Email
67096
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
Policy on data sharing not finalised.
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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