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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01348958
Registration number
NCT01348958
Ethics application status
Date submitted
2/05/2011
Date registered
6/05/2011
Date last updated
22/06/2017
Titles & IDs
Public title
Evaluation of Orthopedic Knee Measurement Using Lunar iDXA
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Scientific title
Evaluation of Orthopedic Knee Measurement Using Lunar iDXA
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Secondary ID [1]
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105-2011-GES-0001-000
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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:
Hemi Knee Arthroplasty
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Patello-femoral 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 - iDXA knee software
Experimental: Post-operative knee replacement - Subjects that have had a hemi knee replacement of one knee at least 8 weeks ago had the post-operative knee scanned using the orthopedic hip application and the Lunar orthopedic knee application.
Treatment: Devices: iDXA knee software
Following surgery, subjects who have undergone knee arthroplasty will have the knee that has undergone arthroplasty (post-operative) scanned at least 8 weeks after surgery.
During one visit, each subject will have the post-operative knee scanned 1 time using Lunar orthopedic application, and 3 times with the subject repositioned between scans using the Lunar orthopedic knee application (total of 4 scans). Lunar iDXA measurement procedures will be done
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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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Efficacy of Lunar orthopedic knee software.
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Assessment method [1]
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This study will compare the bone density and bone mass measurements acquired with Lunar orthopedic knee software and for the same scans acquired with Lunar orthopedic software. A determination of precision of bone measurements acquired and analyzed with Lunar orthopedic knee software.
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Timepoint [1]
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5 months from starting study.
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Eligibility
Key inclusion criteria
1. Adult (>30 years) males and females.
2. Have had a hemi knee replacement of one knee at least 8 weeks ago.
3. Patello-femoral osteoarthritis is not a contraindication if person does not have symptoms from the patello-femoral joint.
4. Able to provide informed consent.
5. In good general health.
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Minimum age
30
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?
No
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Key exclusion criteria
1. Neuromuscular or vascular disease in the affected leg.
2. Found to be unsuitable for hemi knee arthroplasty (KA) before or at surgery.
3. Preoperative extensions defect greater than 15 degrees.
4. Preoperative maximal flexion of less than 100 degrees.
5. Symptomatic patello-femoral osteoarthritis.
6. Insufficiency of anterior cruciate ligament (ACL)
7. Fracture sequalae (Intraarticular fracture and all tibial condyle fractures).
8. Previous osteotomy.
9. Previous extensive knee surgery.
10. Metabolic bone disease including osteoporosis with a T score of <-2.5.
11. Rheumatoid arthritis.
12. Postmenopausal women on systemic hormone replacement therapy (HRT).
13. Long-term treatment with oral corticosteroids and/or bisphosphonates.
14. Inability to consent (such as Alzheimer's Disease).
15. Misuse of drugs or alcohol.
16. Serious psychiatric disease.
17. Disseminated malignant disease and treatment with radiotherapy or chemotherapy.
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
NA
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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
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
1/07/2011
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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
1/09/2011
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Sample size
Target
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Accrual to date
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Final
36
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Christchurch
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
GE Healthcare
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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
This study is to compare scans of the knee performed using new software designed specifically to look at the knee joint with those performed using approved software designed for scans of the hip.
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Trial website
https://clinicaltrials.gov/study/NCT01348958
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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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Nigel Gilchrist, M.D.
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Address
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CGM Reseach Trust - Princess Margaret Hospital
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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/NCT01348958
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