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Trial registered on ANZCTR
Registration number
ACTRN12614001029684
Ethics application status
Approved
Date submitted
18/09/2014
Date registered
24/09/2014
Date last updated
24/09/2014
Type of registration
Prospectively registered
Titles & IDs
Public title
Does peripheral quantitative computed tomography (pQCT) measures contribute to the understanding of bone fragility in older patients with low-trauma fracture?
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Scientific title
Does peripheral quantitative computed tomography (pQCT) measures contribute to the understanding of bone fragility in older patients with low-trauma fracture?
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Secondary ID [1]
285362
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Nil known
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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:
Osteoporosis
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low-trauma osteoporotic fracture
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Condition category
Condition code
Musculoskeletal
293364
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0
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Osteoporosis
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Injuries and Accidents
293394
293394
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0
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Fractures
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Intervention/exposure
Study type
Observational
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Patient registry
False
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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
We will recruit patients with osteoporotic fracture presenting to outpatients clinic. The patients will have peripheral quantitative computed tomography (pQCT) test besides the routine dual-energy x-ray absorptiometry (DXA) test during one one-hour site visit. This is a cross-sectional study and all the patients will only have one site visit. DXA is a routine test for patients with low-trauma fracture. Patients will still have DXA examinations even if they don't participate in this project.
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Intervention code [1]
290277
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Not applicable
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Comparator / control treatment
There is no control intervention in this study.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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bone strength of one of the limbs without fracture as determined by pQCT
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Assessment method [1]
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Timepoint [1]
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Baseline.
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Secondary outcome [1]
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Bone mineral density of hip, vertebre or total body, as determined by DXA
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Assessment method [1]
310558
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Timepoint [1]
310558
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Baseline.
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Eligibility
Key inclusion criteria
1. Aged 50 years or greater;
2. One or more low-trauma fractures within the past three months;
3. Informed verbal and written consent provided.
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Minimum age
50
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. Prior diagnosis of osteoporosis;
2. Prolonged (>3 months) use of osteoporosis therapy in the past 2 years;
3. Prior therapy with teripatratide or strontium ranelate;
4. Unstable doses of hormone replacement therapy;
5. Patients with secondary causes of low bone density, e.g. hyperthyroidism, diabetes, Vitamin D deficiency, alcoholism, smoking.
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
In the absence of preliminary data we have selected an opportunistic sample of 85 subjects. This sample size will be large enough to provide valuable information and is feasible based on clinic attendance rates.
Multivariable analysis will be used to determine the correlations between low-trauma fracture risk and these factors while adjusting for the differences between groups and potential confounders.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
25/09/2014
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Actual
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Date of last participant enrolment
Anticipated
31/08/2015
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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
85
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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The University of Melbourne
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Address [1]
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Grattan Street
Parkville VIC 3052
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Country [1]
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Australia
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Primary sponsor type
University
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Name
The University of Melbourne
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Address
Grattan Street
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]
288663
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Address [1]
288663
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Country [1]
288663
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Melbourne Health Human Research Ethics Committee
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Ethics committee address [1]
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Grattan Street 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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30/07/2014
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Approval date [1]
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25/08/2014
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Ethics approval number [1]
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2014.143
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Summary
Brief summary
Dual-energy X-ray absorptiometry (DXA) is well established to assess bone strength in clinical settings; however, it has many limitations. This research aims to evaluate the role of peripheral quantitative computed tomography (pQCT), an alternative bone density testing method that is believed to provide more information than DXA, for the assessment of bone strength. We will recruit patients with osteoporotic fracture and evaluate whether pQCT measures are associated with bone strength. We have already obtained normal pQCT measures in healthy young adults and calculated the means and standard deviations. We will compare patients’ pQCT results with the normal values to achieve our research aim. We may also find new factors that may contribute to fracture prediction in older patients.
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Trial website
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Trial related presentations / publications
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Public notes
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Attachments [1]
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/AnzctrAttachments/367114-Study protocol 20140818.docx
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Attachments [2]
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/AnzctrAttachments/367114-PICF 2014.143-20140818.doc
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Attachments [3]
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/AnzctrAttachments/367114-Ethics approval.pdf
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Contacts
Principal investigator
Name
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Prof John D Wark
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Address
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Department of Medicine, Royal Melbourne Hospital,
Grattan Street, Parkville, VIC 3052
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Country
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Australia
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Phone
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+61 (0)3 9342 7109
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Hongyuan Jiang
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Address
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Department of Medicine, Royal Melbourne Hospital,
Grattan Street, Parkville, VIC 3052
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Country
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Australia
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Phone
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+61 (0)3 8344 2712
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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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Hongyuan Jiang
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Address
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Department of Medicine, Royal Melbourne Hospital,
Grattan Street, Parkville, VIC 3052
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Country
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Australia
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Phone
51516
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+61 (0)3 8344 2712
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Fax
51516
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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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