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Trial registered on ANZCTR
Registration number
ACTRN12611000657921
Ethics application status
Approved
Date submitted
27/06/2011
Date registered
28/06/2011
Date last updated
7/08/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
A Study to Estimate the Week to Week and Month to Month Fluctuations of a Heart Hormone (NT-proBNP) in Patients on Dialysis
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Scientific title
Week-Week and Month-Month Biological Variation and Reference Change Values of NTproBNP in the Stable Dialysis Population
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Secondary ID [1]
262470
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Nil
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Universal Trial Number (UTN)
Nil
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Trial acronym
MONITOR - Monitoring Oscillations of NT-proBNP In guiding Therapy and predicting Outcomes in Renal disease
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Cardiomyopathy
268162
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Renal Dialysis
268163
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Condition category
Condition code
Renal and Urogenital
268295
268295
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0
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Kidney disease
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Cardiovascular
268296
268296
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0
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Other cardiovascular diseases
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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
Within person biological variation, between person variation, and within- and between run analytic variation of a cardiac hormone (NT-proBNP) measured at weekly intervals for four weeks followed by monthly intervals for four months
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Intervention code [1]
266828
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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]
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Within person biological variation - NT-proBNP (plasma) assayed at weekly and monthly intervals in stable dialysis patients
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Assessment method [1]
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Timepoint [1]
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Weekly intervals for 4 weeks followed by monthly intervals for four months
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Primary outcome [2]
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Between person variation - NT-proBNP (plasma) assayed at baseline
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Assessment method [2]
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Timepoint [2]
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Baseline
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Primary outcome [3]
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Within- and between run analytic variation - duplicate specimen analysis for within run variation and comparison of variation of patient and quality control specimens across multiple analytic runs for between run variation
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Assessment method [3]
269029
0
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Timepoint [3]
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5-months
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Secondary outcome [1]
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Nil
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Assessment method [1]
276841
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Timepoint [1]
276841
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Nil
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Eligibility
Key inclusion criteria
In-centre haemo- or peritoneal dialysis patients established on a single dialysis modality for at least 90-days
Stable dialysis prescription for at least one month
Aged 18-years or older
Able to provide informed consent
Echocardiogram within 12-months of enrollment
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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
Living renal transplantation planned within 5-months of enrolment.
Home haemodialysis
Patients on peritoneal dialysis not receiving continuous therapy (e.g. NIPD).
Permanent pacemaker and/or implantable cardiac defibrillator.
Joint replacements, orthopaedic pins, mechanical heart valves and amputations.
Any of the following events / conditions in the month prior to screening:
Admission to hospital for any cause.
Change in dry body weight target of > 1kg.
Unscheduled haemodialysis for treatment of hypertension, dyspnoea or congestive cardiac failure.
Change in dialysis prescription.
Initiation or dose alteration of angiotensin converting enzyme inhibitor, angiotensin receptor blocker, beta-blocker, or aldosterone receptor antagonist.
If has ischaemic heart disease – change in severity of angina – increased frequency and/or occurrence with lesser degrees of exertion and/or alteration in dose of anti-anginal agent(s).
If has arrhythmia – change in dose of anti-arrhythmic agent or initiation of new anti-arrhythmic agent.
Systemic infection.
Congenital heart disease (excluding haemodynamically insignificant patent foramen ovale).
Documented severe left ventricular systolic dysfunction defined as an ejection fraction less than 30% by Simpson’s rule.
Severe aortic stenosis or regurgitation.
Severe mitral stenosis or regurgitation.
Severe pulmonary hypertension (RVSP > [60 mmHg > RA]) due to any cause.
ST or non-ST segment myocardial infarction (defined as a combination of serial elevation in Troponin T and any one of new ST/T wave changes on ECG and/or symptoms of cardiac ischaemia) in the 6-months prior to screening.
Cardiac surgery and/or coronary angioplasty in the 6-months prior to screening.
Pulmonary embolism in the preceding 6-months.
Advanced malignancy.
Pregnancy.
Current immunosuppressive pharmacotherapy for any indication.
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Study design
Purpose
Natural history
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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
14/10/2010
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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
50
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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]
267300
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Charities/Societies/Foundations
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Name [1]
267300
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Princess Alexandra Research Foundation
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Address [1]
267300
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PA Research Foundation
Building 1
Princess Alexandra Hospital
199 Ipswich Road
Woolloongabba Qld 4102
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Country [1]
267300
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Australia
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Funding source category [2]
267301
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Charities/Societies/Foundations
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Name [2]
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Kidney Health Australia
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Address [2]
267301
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100 York Street,
South Melbourne
VIC 3205
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Country [2]
267301
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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
Renal Department
2nd Floor, ARTS Building 31
Princess Alexandra Hospital
199 Ipswich Road
Woolloongabba
QLD 4102
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Country
Australia
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Secondary sponsor category [1]
266379
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University
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Name [1]
266379
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University of Queensland
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Address [1]
266379
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The University of Queensland
Brisbane
QLD 4072
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Country [1]
266379
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
269307
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Metro South Human Research Ethics Committee
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Ethics committee address [1]
269307
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Princess Alexandra Hospital, 199 Ipswich Road Woolloongabba QLD 4102
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Ethics committee country [1]
269307
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Australia
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Date submitted for ethics approval [1]
269307
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16/06/2010
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Approval date [1]
269307
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19/08/2010
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Ethics approval number [1]
269307
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HREC/10/QPAH/131
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Summary
Brief summary
The aim of the study is to establish the magnitude of variation in serial measurements of a cardiac hormone (NT-proBNP) that can be attributed to homeostatic fluctuations around a set-point (biological variation). Such information will be used to inform monitoring guidelines as to the magnitude of fluctuations that are not associated with adverse outcomes at the individual level and that can be safely ignored. The study also intends to establish the analytic performance of the most commonly used NT-proBNP assay (Roche Elecsys 2010) in the dialysis population.
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Trial website
Nil
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Trial related presentations / publications
Nil
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Public notes
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Contacts
Principal investigator
Name
32790
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Address
32790
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Country
32790
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Phone
32790
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Fax
32790
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Email
32790
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Contact person for public queries
Name
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Dr Magid Fahim
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Address
16037
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Department of Nephrology
ARTS Building 31
Princess Alexandra Hospital
199 Ipswich Road, Woolloongabba, Brisbane,
QLD 4102
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Country
16037
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Australia
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Phone
16037
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+61 7 31765080
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Fax
16037
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+61 7 31765480
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Email
16037
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[email protected]
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Contact person for scientific queries
Name
6965
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Dr Magid Fahim
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Address
6965
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Department of Nephrology
ARTS Building 31
Princess Alexandra Hospital
199 Ipswich Road, Woolloongabba, Brisbane,
QLD 4102
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Country
6965
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Australia
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Phone
6965
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+61 7 31765080
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Fax
6965
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+61 7 31765480
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Email
6965
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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.
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