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Trial registered on ANZCTR
Registration number
ACTRN12610000701022
Ethics application status
Approved
Date submitted
20/08/2010
Date registered
24/08/2010
Date last updated
7/07/2011
Type of registration
Prospectively registered
Titles & IDs
Public title
Study to Determine the Accuracy of Prothrombin Time of Warfarinised blood.
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Scientific title
In patients taking warfarin, how do the Prothrombin(PT)/International Normalised Ratio (INR) results from Universal Biosensors, CoaguChek point-of-care INR devices correlate to a standard laboratory laboratory method.
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Secondary ID [1]
252516
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Nil
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Universal Trial Number (UTN)
N/A
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Trial acronym
N/A
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
A prothrombin time test (PT) used to monitor patients taking the anticoagulant warfarin
258005
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Condition category
Condition code
Blood
258174
258174
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0
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Clotting disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The aim of this study is to measure prothrombin time (PT) expressed in International Normalised Ratio (INR) units in persons receiving warfarin treatment on an experimental device, commercially available point of care device and a standard laboratory method.
This will involve taking a venous sample from both persons receiving warfarin treatment (experimental group) and persons not receiving warfarin treatment (control group). All persons are currently undergoing testing at a clinic. Samples collected are tested by laboratory staff on the experimental point of care device, commercially available device and standard laboratory reference instrument.
It is expected that the persons participation does not exceed the time it takes to complete informed consent form and have a venous sample collected.
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Intervention code [1]
257056
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Other interventions
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Comparator / control treatment
No treatments are administered as part of this study. Control group are subjects not receiving warfarin treatment.
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Control group
Active
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Outcomes
Primary outcome [1]
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International Normalised Ratio(INR) values from the Universal Biosensors device will correlate with results obtained from the Roche CoaguChek and the laboratory reference method.
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Assessment method [1]
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Timepoint [1]
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Results will be displayed immediately
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Secondary outcome [1]
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International Normalised Ratio(INR) values from the Universal Biosensors device will correlate with results obtained from the Roche CoaguChek and the laboratory reference method over the extended range of haematocrits.
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Assessment method [1]
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Timepoint [1]
265291
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Results will be displayed immediately.
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Eligibility
Key inclusion criteria
Patients currently receiving warfarin treatment
Patients not receiving warfarin treatment
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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?
Yes
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Key exclusion criteria
None
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised trial
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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
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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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
4/04/2011
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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]
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Commercial sector/Industry
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Name [1]
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Universal Biosensors Pty Ltd
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Address [1]
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1 Corporate Ave.
Rowville, VIC
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Country [1]
257502
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Australia
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Primary sponsor type
Commercial sector/Industry
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Name
Universal Biosensors Pty Ltd
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Address
1 Corporate Ave.
Rowville, VIC
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
256735
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Address [1]
256735
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Country [1]
256735
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Alfred Hospital Ethics Committee
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Ethics committee address [1]
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55 Commercial Road Melbourne 3004
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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23/08/2010
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Approval date [1]
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13/01/2011
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Ethics approval number [1]
259530
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Summary
Brief summary
This study will involve taking a venous sample from both persons receiving warfarin treatment (experimental group) and persons not receiving warfarin treatment (control group). All persons are currently undergoing testing at a clinic. Samples collected are tested by laboratory staff on the experimental point of care device, commercially available device and standard laboratory reference instrument. The aim of this study is to measure prothrombin time (PT) expressed in International Normalised Ratio (INR) units in persons receiving warfarin treatment on an experimental device, commercially available point of care device and a standard laboratory method. It is expected that International Normalised Ratio(INR) values from the Universal Biosensors device will correlate with results obtained from the Roche CoaguChek and the laboratory reference method.
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Trial website
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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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Address
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Country
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Phone
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Fax
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Email
31547
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Contact person for public queries
Name
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Kristyn Forsayeth
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Address
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1 Corporate Ave.
Rowville VIC, 3178
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Country
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Australia
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Phone
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+61 3 9213 9000
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Fax
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+61 3 9213 9099
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Email
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[email protected]
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Contact person for scientific queries
Name
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Peter Newman
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Address
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1 Corporate Ave.
Rowville VIC, 3178
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Country
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Australia
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Phone
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+ 61 3 9213 9003
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Fax
5722
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+ 61 3 9213 9099
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Email
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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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