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Trial registered on ANZCTR
Registration number
ACTRN12612000760875
Ethics application status
Approved
Date submitted
3/07/2012
Date registered
17/07/2012
Date last updated
17/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
UREMIC TOXIN: Utility in REnal disease of Measuring Indoxyl sulphate and p-Cresyl sulphate To predict OXidative stress, Inflammation and cliNical outcomes
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Scientific title
A retrospective cross-sectional/longitudinal observational study looking at the concentration of uremic toxins with poor outcomes in patients with Chronic Kidney Disease Stage 1-5
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Secondary ID [1]
280774
0
Nil
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Universal Trial Number (UTN)
U1111-1132-3596
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Trial acronym
Uremic Toxin
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Chronic Kidney Disease
286833
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Cardiovascular disease
286932
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Condition category
Condition code
Renal and Urogenital
287142
287142
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0
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Kidney disease
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Cardiovascular
287263
287263
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0
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Coronary heart disease
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Chronic Kidney Disease level of uremic toxins (serum analysis), CVD biomarkers (arterial stiffness by aortic pulse-wave velocity (PWV); atheroma burden by carotid intima-media thickness (cIMT) and endothelial function by flow-mediated dilation (FMD) of the brachial artery), and inflammation (serum markers) for two years.
All of the above will be performed at three time points baselines, 1 year and 2 year.
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Intervention code [1]
285200
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Not applicable
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Comparator / control treatment
nil
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
287455
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Indoxyl sulphate concentration (mg/L) (serum analysis)
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Assessment method [1]
287455
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Timepoint [1]
287455
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baseline, year 1, year 2
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Primary outcome [2]
287542
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P-cresyl sulphate concentration (mg/L) (serum analysis)
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Assessment method [2]
287542
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Timepoint [2]
287542
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baseline, year 1, year 2
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Secondary outcome [1]
298188
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Cardiovascular risk factors- arterial stiffness by aortic pulse-wave velocity (PWV); atheroma burden by carotid intima-media thickness (cIMT) and endothelial function by flow-mediated dilation (FMD) of the brachial artery.
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Assessment method [1]
298188
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Timepoint [1]
298188
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baseline, year 1, year 2
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Secondary outcome [2]
298356
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Mortality- all cause and cardiovascular (death registry)
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Assessment method [2]
298356
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Timepoint [2]
298356
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study duration ie. 0-2 years
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Secondary outcome [3]
298357
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Kidney Function- serum creatinine (serum analysis), urinary protein (mid stream urinary analysis)
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Assessment method [3]
298357
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Timepoint [3]
298357
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baseline, year 1, year 2
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Secondary outcome [4]
298358
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Inflammation- C-Reactive Protein, Interleukin-6 (serum analysis)
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Assessment method [4]
298358
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Timepoint [4]
298358
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baseline, year 1, year 2
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Eligibility
Key inclusion criteria
Chronic Kidney Disease (CKD) (stage1-5D)
>/= 18 years
Able to provide informed consent
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Minimum age
18
Years
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Maximum age
100
Years
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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
Non CKD
Unable/unwilling to give informed consent
Unable/unwilling to comply with frequent follow-up
Life expectancy was severely limited due to pre-existing malignancy or other disease (<6 months)
Pregnancy
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Study design
Purpose
Screening
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Duration
Longitudinal
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/01/2012
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Actual
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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
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Sample size
Target
300
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
285560
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Hospital
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Name [1]
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Princess Alexandra Hospital
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Address [1]
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199 Ipswich Rd Woolloongabba, Brisbane, Queensland 4102
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Country [1]
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Australia
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Primary sponsor type
Hospital
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Name
Princess Alexandra Hospital
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Address
199 Ipswich Rd Woolloongabba, Brisbane, Queensland 4102
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Country
Australia
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Secondary sponsor category [1]
284397
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None
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Name [1]
284397
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Address [1]
284397
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Country [1]
284397
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Other collaborator category [1]
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University
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Name [1]
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University of Queensland
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Address [1]
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Mansfield Place St Lucia, Brisbane, Queensland 4072
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Country [1]
276901
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
287576
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Metro South Hospital and Health Service
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Ethics committee address [1]
287576
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199 Ipswich Rd, Woolloongabba, Brisbane, Queensland 4102
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Ethics committee country [1]
287576
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Australia
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Date submitted for ethics approval [1]
287576
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Approval date [1]
287576
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04/05/2012
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Ethics approval number [1]
287576
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HREC/12/QPAH/216
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Summary
Brief summary
The roles of indoxyl sulphate and p-cresyl sulphate as nephro- and cardiovascular toxins has recently gained recognition, although their true association and mechanisms behind their putative deleterious actions are yet to be investigated in human studies. The aim of this observational study is to gain a better understanding of the associations between these two protein-bound uremic toxins, IS and PCS, and Cardio Vascular Disease (CVD) and CKD progression, along with other poor outcomes seen in CKD. A secondary aim is to determine whether live kidney donors post nephrectomy have an increase concentration of these toxins and any association with morbidity in this population.
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Trial website
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Trial related presentations / publications
Rossi M, Klein K, Johnson DW, and Campbell KL. (2012).Pre-, Pro- & Synbiotics: Do they have a role in reducing uremic toxins? A systematic review and Meta analysis. British Journal of Nutrition (under review)
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Public notes
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Contacts
Principal investigator
Name
34390
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Address
34390
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Country
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Phone
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Fax
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Email
34390
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Contact person for public queries
Name
17637
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Megan Rossi
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Address
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ARTs Building 31, 2nd Floor Nephrology Building.
199 Ipswich Rd, Brisbane, Queensland 4102
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Country
17637
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Australia
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Phone
17637
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+614 02931441
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Fax
17637
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+61 7 3176 5480
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Email
17637
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[email protected]
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Contact person for scientific queries
Name
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Megan Rossi
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Address
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ARTs Building 31, 2nd Floor Nephrology Building.
199 Ipswich Rd, Brisbane, Queensland 4102
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Country
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Australia
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Phone
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+614 02931441
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Fax
8565
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+61 7 3176 5480
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Email
8565
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[email protected]
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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
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
Download to PDF