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Trial registered on ANZCTR
Registration number
ACTRN12611000008921
Ethics application status
Not yet submitted
Date submitted
21/12/2010
Date registered
5/01/2011
Date last updated
5/01/2011
Type of registration
Prospectively registered
Titles & IDs
Public title
Detection of Transplanted Heart Rejection by Blood Cell Gene Expression: a Novel Concept of Personalized Approach to Heart Transplantation Management
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Scientific title
Detection of Cardiac Allograft Rejection by Peripheral Blood Gene Expression in Paediatric Cardiac Transplant Patients
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Secondary ID [1]
253321
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N/A
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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:
Post-cardiac transplantation allograft rejection management. (Determining the clinical validity of a novel method for early detection of transplant organ rejection).
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Condition category
Condition code
Cardiovascular
258999
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0
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Diseases of the vasculature and circulation including the lymphatic system
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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
The study will be performed on 10 consecutive children undergoing heart transplantation. The venous blood sample (5 ml each) will be taken immediately after induction of anaesthesia prior to heart transplantation and then immediately after induction of anaesthesia prior to each regular routine endomyocardial biopsy during 1st year after transplantation (9 biopsies). Thus, this equates to a total of 10 samples per patient. Change in blood genomic profile is compared longtitudinally and compared with standard heart biopsy assessment of potential markers for organ rejection.
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Intervention code [1]
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Not applicable
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Comparator / control treatment
Longitudinal approach: a baseline genomic profile of each patient will serve as its own unique control.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Longtitudinal changes in personalized gene expression pattern (Oligonucleotide Array changes) in peripheral blood with onset of rejection.
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Assessment method [1]
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Timepoint [1]
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Baseline blood sample at heart transplantation, then at 4-6 week (approx monthly) endomyocardial biopsy during 1st year after transplantation (9 biopsies). (10 timepoint measures total).
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Secondary outcome [1]
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Nil
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Assessment method [1]
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Timepoint [1]
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Nil
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Eligibility
Key inclusion criteria
10 consecutive children aged 5-18 years undergoing heart transplantation and follow up clinical management at the Royal Children's Hospital, Melbourne.
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Minimum age
5
Years
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Maximum age
18
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
Cardiac transplantation under age 5 and non-cardiac transplantation.
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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
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/02/2011
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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
10
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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]
258241
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Government body
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Name [1]
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National Health & Medical Research Council
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Address [1]
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Level 1
16 Marcus Clarke Street
Canberra ACT 2601
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Professor Igor Konstantinov
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Address
Department of Cardiac Surgery
Royal Children's Hospital
Flemington Road,
Parkville VIC 3052
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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]
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Address [1]
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Country [1]
257411
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
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Royal Children's Hospital Human Research Ethics Committee
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Ethics committee address [1]
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Royal Children's Hospital Flemington Road Parkville VIC 3052
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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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26/11/2010
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Approval date [1]
260221
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Ethics approval number [1]
260221
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30200A
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Summary
Brief summary
Rejection of a transplanted heart is a serious and often fatal complication following heart transplantation. Endomyocardial biopsy is the gold standard for diagnosing heart transplant rejection. Transplanted patients undergo 9 endomyocardial biopsies for routine surveillance in the first 12 months after transplant. We know that immune cells in peripheral blood become activated during rejection. They change their gene expression and this can be detected by specific biochemical tests called microarrays. As such, it is our belief that rejection of a transplanted heart may be detected by taking a peripheral blood sample and looking at the gene expression of immune cells. The implication is that transplant rejection may be detected by simply taking blood rather than performing an endomyocardial biospy. An endomyocardial biospy is an invasive procedure performed under general anaesthesia and is therefore stressful for patients and patients' parents as well as placing a sizeable on the healthcare system. Our project will involve taking a small 5ml venous blood sample from patients immediately prior to heart transplantation and all subsequent endomyocardial biopsies for routine surveillance. The blood samples will be taken after induction of general anaesthesia. We will then be able to compare each result of the microarray of the blood sample with the result of the endomyocardial biopsy in order to assess whether peripheral blood sampling is a possible alternative to endomyocardial biospy.
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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
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Contact person for public queries
Name
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Professor Igor Konstantinov
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Address
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Department of Cardiac Surgery
Royal Children's Hospital
Flemington Road,
Parkville VIC 3052
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Country
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Australia
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Phone
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+61 3 9345 5200
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Fax
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+61 3 9345 6386
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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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Professor Igor Konstantinov
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Address
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Department of Cardiac Surgery
Royal Children's Hospital
Flemington Road,
Parkville VIC 3052
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Country
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Australia
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Phone
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+61 3 9345 5200
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Fax
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+61 3 9345 6386
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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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