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Trial registered on ANZCTR
Registration number
ACTRN12608000127303
Ethics application status
Approved
Date submitted
22/02/2008
Date registered
10/03/2008
Date last updated
10/03/2008
Type of registration
Prospectively registered
Titles & IDs
Public title
Treatment of chronically inflamed knee joints with aspiration and corticosteroid injection
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Scientific title
The effects of knee joint aspiration and corticosteroid injection on quadriceps muscle performance, flexion reflex excitability and lower limb function in patients with chronic arthritis.
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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:
Inflammatory arthritis of the knee joint
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Condition category
Condition code
Inflammatory and Immune System
2994
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0
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Rheumatoid arthritis
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Inflammatory and Immune System
2995
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0
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Other inflammatory or immune system disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Aspiration and a single dose intra-articular injection of 40mg Depomedrol. Participants will be followed up for 2 weeks after corticosteroid injection.
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Intervention code [1]
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Treatment: Drugs
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Intervention code [2]
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Treatment: Other
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Comparator / control treatment
None
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Quadriceps muscle function - peak isometric torque, electromyography (EMG) amplitude and muscle fibre conduction velocity
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Assessment method [1]
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Timepoint [1]
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Baseline, post aspiration, 4 days post intervention, 2 weeks post intervention
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Primary outcome [2]
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Lower limb function - self report questionnaires, 10 metre walk test, 6 minute walk test.
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Assessment method [2]
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Timepoint [2]
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Baseline, 4 days post intervention, 2 weeks post intervention
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Primary outcome [3]
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Flexion reflex excitability - threshold, Area under the curve at 1.2 x threshold
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Assessment method [3]
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Timepoint [3]
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Baseline, post aspiration, 4 days post intervention, 2 weeks post intervention
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Secondary outcome [1]
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Pain - Visual analogue scale (VAS)
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Assessment method [1]
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Timepoint [1]
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Baseline, 4 days post intervention, 2 weeks post intervention
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Eligibility
Key inclusion criteria
1. A primary diagnosis of inflammatory arthritis, including rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, crystal arthritis.
2. A clinically detectable knee joint effusion as well as other clinical signs and symptoms of knee joint synovitis including pain on motion, heat and tenderness on palpation.
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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?
No
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Key exclusion criteria
1.Recent history of an intra-articular corticosteroid injection to the knee joint.
2.Any medical condition that may preclude the performance of maximum effort strength tests.
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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
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/06/2008
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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
20
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Accrual to date
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Final
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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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Auckland
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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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AUT University
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Address [1]
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55 Wellesly Street East
Auckland
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Country [1]
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New Zealand
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Funding source category [2]
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Government body
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Name [2]
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Health Research Council
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Address [2]
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110 Stanley Street
Auckland
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Country [2]
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New Zealand
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Funding source category [3]
3114
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Government body
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Name [3]
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Accident Compensation Corporation
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Address [3]
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81-83 Molesworth Street
Wellington
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Country [3]
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New Zealand
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Primary sponsor type
University
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Name
AUT University
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Address
55 Wellesly Street East
Auckland
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Country
New Zealand
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Secondary sponsor category [1]
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Government body
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Name [1]
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Accident Compensation Corporation
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Address [1]
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81-83 Molesworth Street
Wellington
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Country [1]
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New Zealand
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Secondary sponsor category [2]
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Government body
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Name [2]
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Health Research Council
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Address [2]
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110 Stanley Street
Auckland
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Country [2]
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New Zealand
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Other collaborator category [1]
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University
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Name [1]
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University of Auckland
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Address [1]
211
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Park Road
Grafton
Auckland
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Country [1]
211
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New Zealand
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Northern Regional Ethics Committee
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Ethics committee address [1]
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Auckland
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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04/08/2007
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Approval date [1]
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12/08/2007
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Ethics approval number [1]
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NTX/06/08/089
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Summary
Brief summary
Joint disease often leads to an ongoing, reflex weakness of muscles acting across the damaged joint. This process is thought to occur at a spinal cord level and is called Arthrogenic Muscle Inhibition (AMI). At the knee joint, the quadriceps (the muscles at the front of the thigh) are preferentially affected by AMI. The quadriceps have an important protective function to the knee joint. Weakness and dysfunction due to AMI may reduce the shock attenuating ability of the muscles, increasing the forces acting at the knee and predisposing chronic arthritic joints to further injury or damage. While a number of studies have investigated the effects of swelling and joint disease on quadriceps function, few have looked at ways to overcome this problem. The purpose of this study is to measure changes in quadriceps muscle function, spinal reflex excitability and patients’ ability to perform day-to-day tasks after 1.) withdrawing fluid from their knee joints and then 2.) injecting a corticosteroid (an anti-inflammatory drug) into their joint. Results from the current study will provide important information concerning the mechanisms behind AMI and the rehabilitation of patients with chronic arthritic disease of the knee joint.
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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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Jane Galle
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Address
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Health and Rehabilitation Research Centre
AUT University
Private Bag 92006
Auckland
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Country
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New Zealand
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Phone
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+64 99219999 ext. 7194
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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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David Rice
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Address
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Health and Rehabilitation Research Centre
AUT University
Private Bag 92006
Auckland
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Country
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New Zealand
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Phone
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+64 99219999 ext. 7032
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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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