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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00734084
Registration number
NCT00734084
Ethics application status
Date submitted
11/08/2008
Date registered
13/08/2008
Date last updated
9/06/2015
Titles & IDs
Public title
A Study to Evaluate the DePuy Minimally Invasive Unicompartmental Knee
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Scientific title
A Prospective, Non-Comparative Multi-centre Study to Evaluate the Safety and Performance of the DePuy Minimally Invasive (Preservation) Unicompartmental Knee and Instrumentation.
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Secondary ID [1]
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CT 01/34
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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:
Osteoarthritis
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Condition category
Condition code
Musculoskeletal
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Osteoarthritis
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Preservation Unicompartmental Knee
Other: Preservation Unicompartmental Knee - Minimally invasive orthopaedic implant for single compartment knee arthritis
Treatment: Devices: Preservation Unicompartmental Knee
Minimally invasive orthopaedic implant for single compartment knee arthritis
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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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To demonstrate the suitability of the developed instrumentation to safely and accurately implant the Preservation Unicompartmental Knee using radiographic and intra-operative assessment
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Assessment method [1]
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Intraoperative
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Timepoint [1]
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0 days
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Secondary outcome [1]
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To demonstrate the survivorship and performance of the Preservation Unicompartmental Knee using the American Knee Society clinical and radiographic assessment, Oxford Knee Score and survivorship analysis.
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Assessment method [1]
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Timepoint [1]
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6 months, 1, 3, 5, 10 and 15 years
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Eligibility
Key inclusion criteria
* Male or female subjects, who are 40 to 75 years of age inclusive.
* Subjects who are able to give voluntary, written informed consent to participate in this investigation and from whom written consent has been obtained.
* Subjects who, in the opinion of the Investigator, are able to understand this investigation, co-operate with the investigational procedures and are willing to return to the hospital for all the required post-operative follow-ups.
* Subjects who exhibit loss of articular cartilage which is predominantly confined to a single compartment. The remaining compartments must be intact and able to bear normal loads.
* Subjects who in the opinion of the Clinical Investigator are considered to be suitable for treatment with the investigation device, according to the indications specified in the package insert leaflet.
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Minimum age
40
Years
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Maximum age
75
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
* Subjects who, in the opinion of the Investigator, have an existing condition that would compromise their participation and follow-up in this study.
* Subjects with a known history of poor compliance to medical treatment.
* Women who are pregnant.
* Subjects who are known drug or alcohol abusers or with psychological disorders that could effect follow-up care or treatment outcomes.
* Subjects who have participated in a clinical study with an investigational product in the last month.
* Subjects who are currently involved in any injury litigation claims.
* Revision of an existing unicompartmental implant.
* Subjects who have gross ligament laxity / instability.
* Subjects who have an inflammatory joint disease
* Subjects in whom there is evidence of previous joint sepsis
* Subjects who have a pre-operative flexion contracture of 15° or greater
* Subjects who have a pre-operative flexion of less than 90°
* Subjects who have a pre-operative limb deformity of greater than 15° varus or valgus
* Subjects who have morbid obesity i.e. BMI > 40%
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Study design
Purpose of the study
Treatment
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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
Single group
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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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
1/06/2001
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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
1/04/2008
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Sample size
Target
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Accrual to date
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Final
247
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Sportsmed SA, 32 Payneham, Stepney - Adelaide
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Recruitment postcode(s) [1]
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5069 - Adelaide
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
DePuy International
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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 primary purpose of this investigation is to evaluate the surgical performance of the DePuy Minimally Invasive (Preservation) Unicompartmental Knee and Instrumentation in a Multi-centre setting. The secondary objective of this investigation is to evaluate the long-term survivorship of the DePuy Minimally Invasive (Preservation) Unicompartmental Knee.
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Trial website
https://clinicaltrials.gov/study/NCT00734084
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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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Kim Dwyer, Ph.D
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Address
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DePuy Synthes Joint Reconstruction
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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/NCT00734084
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