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Trial registered on ANZCTR
Registration number
ACTRN12609000618257
Ethics application status
Approved
Date submitted
22/07/2009
Date registered
27/07/2009
Date last updated
6/07/2018
Type of registration
Prospectively registered
Titles & IDs
Public title
In patients with bony impingement of the hip, what is the impact of computer-assisted surgery in assisting arthroscopic procedures, assessed by surgical, quality of life and functional outcomes up to 6 months post-operatively
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Scientific title
In patients with bony impingement of the hip, what is the impact of computer-assisted surgery in assisting arthroscopic procedures, assessed by surgical, quality of life and functional outcomes up to 6 months post-operatively.
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Secondary ID [1]
262147
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None.
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Universal Trial Number (UTN)
U1111-1121-3201
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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:
Femoroacetabular impingement of the proximal femur
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Condition category
Condition code
Musculoskeletal
239642
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Osteoarthritis
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Resection of bone from the head-neck junction will be performed using a burr, introduced into the hip joint via an arthroscopic procedure under the guidance of a combination of visual (camera), radiological (X-ray image intensifier) and computer-guided imaging modalities. The approximate duration of the procedure is 60-90 minutes.
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Intervention code [1]
236991
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Treatment: Surgery
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Comparator / control treatment
Not a controlled study.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Amount of bone resected for removal of the impingement lesion as visualised by Computed Tomography (CT) scan.
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Assessment method [1]
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Timepoint [1]
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Pre-operative; Post-operative up to 8 weeks.
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Secondary outcome [1]
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Hip function assessed before and after surgery using Hip disability and Osteoarthritis Outcome Score (HOOS) and Non-Arthritic Hip Score.
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Assessment method [1]
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Timepoint [1]
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Pre-operative, 8 weeks post-operative, 12 weeks post-operative, 6 months post-operative.
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Secondary outcome [2]
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Pain assessed before and after surgery using Visual Analog Scale (VAS) pain score.
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Assessment method [2]
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Timepoint [2]
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Pre-operative, 8 weeks post-operative, 12 weeks post-operative, 6 months post-operative.
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Secondary outcome [3]
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Quality of life assessed before and after surgery using SF-12 version 2 and Patient Satisfaction Questionnaire.
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Assessment method [3]
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Timepoint [3]
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Pre-operative, 8 weeks post-operative, 12 weeks post-operative, 6 months post-operative.
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Secondary outcome [4]
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Total radiation exposure to subjects measured by X-ray settings and number of exposures.
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Assessment method [4]
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Timepoint [4]
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Including pre-operative CT, intra-operative use of X-ray image intensifier and post-operative CT.
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Eligibility
Key inclusion criteria
1. 18- 50 years of age at time of surgery
2. A greater than 6 month history of femoroacetabular impingement (FAI) prior to surgery (as diagnosed via surgeon assessment of hip) where impingement lesion is present on the femoral component.
3. A greater than 6 month history of conservative treatment prior to surgery
4. Patients indicated for treatment of FAI by arthroscopic femoroplasty.
5. Patients who understand the conditions of the study and are willing to participate for the length of the prescribed term of follow-up
6. Patients who are capable of, and have given, informed consent to their participation in the study
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Minimum age
18
Years
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Maximum age
50
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. Pregnant and breast feeding women
2. Patients with femoroacetabular impingement where the impingement lesion is present on the acetabular or labral components.
3. Patients with previous surgery of the affected hip
4. Patients with advanced hip osteoarthritis
Patients requiring bilateral hip surgery
5. Patients with other musculoskeletal disorders that, per investigator’s discretion, are affecting pain levels and physical activity.
6. Patients with any other disorders that, per investigator’s discretion, are significantly affecting pain levels, physical activity, or quality of life.
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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)
Not applicable.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Not applicable.
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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
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
1/02/2010
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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
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Actual
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Sample size
Target
15
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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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Stryker Australia
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Address [1]
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8 Herbert Street
ST LEONARDS
N.S.W. 2065
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Country [1]
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Australia
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Primary sponsor type
Commercial sector/Industry
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Name
Stryker Australia
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Address
8 Herbert Street
ST LEONARDS
N.S.W. 2065
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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]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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The Avenue Hospital Human Research Ethics Committee
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Ethics committee address [1]
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40 The Avenue WINDSOR VIC 3181
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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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25/07/2009
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Approval date [1]
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16/11/2009
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Ethics approval number [1]
239509
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Trial No 107
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Summary
Brief summary
Thus study aims to investigate new methods of treating a specific cause of hip pain, where the top of the thigh bone hits against the pelvic bone. Existing keyhole surgery techniques will be combined with a new computer-assisted method to determine if the surgery can be improved. Patients will be assessed before and after their operation to measure activity, pain and quality of life.
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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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Dr Timothy Barker
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Address
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Director of Clinical Research
Stryker Australia
8 Herbert Street
ST LEONARDS N.S.W. 2065
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Country
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Australia
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Phone
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+61 2 9467 1000
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Fax
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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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Dr Timothy Barker
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Address
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Director of Clinical Research
Stryker Australia
8 Herbert Street
ST LEONARDS N.S.W. 2065
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Country
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Australia
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Phone
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+61 2 9467 1000
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Fax
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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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