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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00639782
Registration number
NCT00639782
Ethics application status
Date submitted
16/02/2008
Date registered
20/03/2008
Date last updated
25/05/2021
Titles & IDs
Public title
Prospective Randomized On-X Versus SJM Evaluation Trial
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Scientific title
Thromboembolic Related Complications in a Randomized Trial of Previous and Current Generation Mechanical Valve Prostheses
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Secondary ID [1]
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ONXSJM1
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Universal Trial Number (UTN)
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Trial acronym
PROSE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Heart Valve Disease
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Condition category
Condition code
Cardiovascular
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - On-X Heart valve replacement
Treatment: Devices - SJM Heart valve replacement
Active comparator: ONX - On-X heart Valve Replacement
Active comparator: SJM - SJM heart valve replacement
Treatment: Devices: On-X Heart valve replacement
On-X Heart valve replacement
Treatment: Devices: SJM Heart valve replacement
SJM Heart valve replacement
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Thromboembolisms
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Assessment method [1]
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Frequency of occurrence for thromboembolic events, either major or reversible, as a function of valve type.
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Timepoint [1]
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5 years
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Eligibility
Key inclusion criteria
1. The patient requires an isolated mitral or isolated aortic valve replacement. (Patients undergoing coronary artery bypass and / or concomitant repair of mitral or tricuspid valves are eligible.)
2. The patient is a candidate for receipt of a mechanical heart valve.
3. The patient (or legal guardian) has signed a study-specific informed consent form agreeing to the randomization, data collection and follow-up requirements.
4. The patient can be having a re-operative procedure, so long as the previous prosthetic valve is explanted and the patient does not become a double valve implantation patient.
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Minimum age
18
Years
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Maximum age
80
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
1. The patient is not a candidate to receive a mechanical heart valve.
2. The patient already has a prosthetic valve other than the valve(s) being replaced at this time.
3. The patient requires a tricuspid valve replacement.
4. The patient is enrolled in another investigative study or trial.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled 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
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/07/2003
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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
1/05/2021
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Sample size
Target
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Accrual to date
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Final
857
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Royal Prince Alfred Hospital - Sydney
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Recruitment postcode(s) [1]
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2000 - Sydney
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Hawaii
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Country [3]
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United States of America
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State/province [3]
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Missouri
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Country [4]
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United States of America
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State/province [4]
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New Jersey
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Country [5]
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United States of America
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State/province [5]
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Pennsylvania
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Country [6]
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United States of America
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State/province [6]
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Virginia
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Country [7]
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Canada
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State/province [7]
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British Columbia
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Country [8]
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Canada
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State/province [8]
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New Brunswick
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Country [9]
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Canada
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State/province [9]
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Quebec
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Country [10]
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Germany
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State/province [10]
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Freiburg
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Country [11]
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Germany
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State/province [11]
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Jena
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Country [12]
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Germany
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State/province [12]
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Tübingen
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Country [13]
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India
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State/province [13]
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Gujarat
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Country [14]
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India
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State/province [14]
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Karnataka
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Country [15]
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India
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State/province [15]
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Punjab
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Country [16]
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India
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State/province [16]
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Tamil Nadu
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Country [17]
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India
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State/province [17]
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Uttar Pradesh
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Country [18]
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Netherlands
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State/province [18]
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Rotterdam
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Country [19]
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Norway
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State/province [19]
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Bergen
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Country [20]
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South Africa
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State/province [20]
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Cape Town
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Country [21]
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Sweden
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State/province [21]
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Gothenburg
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
On-X Life Technologies, Inc.
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The study hypothesizes that rate of thromboembolic complications of the On-X prosthesis is reduced as compared to the SJM prosthesis.
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Trial website
https://clinicaltrials.gov/study/NCT00639782
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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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Eric Jamieson, MD
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Address
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Vancouver Coastal Health Research Institute
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00639782
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