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Trial registered on ANZCTR
Registration number
ACTRN12610000548033
Ethics application status
Approved
Date submitted
7/07/2010
Date registered
8/07/2010
Date last updated
8/07/2010
Type of registration
Retrospectively registered
Titles & IDs
Public title
Molecular and biochemical characteristics of skeletal muscle in patients with osteoarthritis
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Scientific title
Molecular and biochemical characteristics of skeletal muscle in patients with osteoarthritis
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Secondary ID [1]
252179
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Nil
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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:
Knee osteoarthritis (OA)
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Condition category
Condition code
Musculoskeletal
257849
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Osteoarthritis
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Intervention/exposure
Study type
Observational
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Patient registry
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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
This is a cross-sectional study. We will compare muscle function and metabolism of elderly people with osteoarthritis with muscle from elderly people without OA and young volunteers.
In addition, we will correlate muscle function and metabolism measures with gait, strength and quality of life measures in people with OA.
Each patient is observed twice and each session will take 60 minutes. In addition, people with OA will come to the laboratory for one session of 3 hours to assess their gait.
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Intervention code [1]
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Not applicable
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Comparator / control treatment
This study will compare 3 groups: elderly people with severe OA, aged and body mass index (BMI) matched asymptomatic individuals and young volunteers.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Muscle metabolism:
- inflammatory cytokine gene and protein expressions
- genes and proteins that involved in muscular protein synthesis and degradation.
- proteins and genes involved in regulating ion transport and excitability including sudium potassium pumps.
The outcomes will be assessed from analyses of muscle samples (western blots and messenger ribonucleic acid (mRNA) expression).
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Assessment method [1]
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Timepoint [1]
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Cross sectional
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Secondary outcome [1]
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Correlation between the Primary measures and gait and strength measures. Gait measures will be assessed using Vicon. Strength will be assessed using strain gauge (load cell).
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Assessment method [1]
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Timepoint [1]
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Cross sectional
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Eligibility
Key inclusion criteria
Patients with severe OA (knee replacement surgery) (age greater than or equal to 50).
Asymptomatic individuals: aged and BMI matched to the OA group.
Asymptomatic young-individuals (age 18-35). These volunteers will be matched for sex with the elderly people with knee OA
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Minimum age
18
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?
Yes
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Key exclusion criteria
- people aged 36-49 years,
- in the asymptomatic individuals we will exclude those with clinical diagnosis of osteoarthritis or rheumatoid arthritis or a history of knee trauma.
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Study design
Purpose
Screening
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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
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/07/2009
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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
Anticipated
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Actual
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Sample size
Target
55
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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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Charities/Societies/Foundations
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Name [1]
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LEW Carty
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Address [1]
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Level 43, 80 Collins St
Melbourne, VIC 3000
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Country [1]
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Australia
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Primary sponsor type
University
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Name
Victoria University
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Address
Institute of Sport, Exercise and Active Living (ISEAL)
Victoria University,
PO Box 14428
Melbourne, VIC 8001
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Country
Australia
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Secondary sponsor category [1]
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University
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Name [1]
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La Trobe University
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Address [1]
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Musculoskeletal Research Centre
Faculty of Health Sciences, La Trobe University
Bundoora, Victoria 3086, Australia
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Victoria University Human Research Ethics Committee
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Ethics committee address [1]
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Victoria University Human Research Ethics Committee Office for Industry and Research Victoria University PO Box 14428 Melbourne VIC 8001
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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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Approval date [1]
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25/08/2008
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Ethics approval number [1]
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HRETH 08/149
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Summary
Brief summary
Knee osteoarthritis (OA), is a painful, chronic and progressive condition. Intense efforts are being directed towards finding the causes and effective treatments. But OA has more widespread consequences, including the loss of muscle mass and function in the affected legs. The loss of muscle is potentially both a consequence of OA, due to reduced limb use, but may also be a direct consequence of inflammatory mechanism set in motion by the knee inflammation. The aims of the current project are: (a) to compare genes which are involved in muscular protein synthesis and degradation in people with knee osteoarthritis (OA) and in asymptomatic older and young people. (b) To investigate the interaction between muscle breakdown and regeneration and impaired gait pattern in people with knee OA. This research is important, as preserving muscle mass is central to regaining effective limb use and reduce disease symptoms. Hypothesis (a) Older individuals with OA will have increased localisation of inflammatory immune cells within the skeletal muscle and increased activation of protein degradation pathways within the muscle cells, compared to asymptomatic older and young people. (b) In people with OA, there is an interaction between muscle protein and gene levels that will be associated with impaired gait measures.
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Trial website
N/A
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Trial related presentations / publications
N/A
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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 Itamar Levinger
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Address
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School of Sport and Exercise Science
Victoria University,
PO Box 14428
Melbourne, VIC 8001
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Country
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Australia
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Phone
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61 3 9919 5343
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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 Itamar Levinger
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Address
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School of Sport and Exercise Science
Victoria University,
PO Box 14428
Melbourne, VIC 8001
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Country
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Australia
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Phone
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61 3 9919 5343
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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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