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Trial registered on ANZCTR
Registration number
ACTRN12613000177752
Ethics application status
Approved
Date submitted
8/02/2013
Date registered
13/02/2013
Date last updated
13/02/2013
Type of registration
Retrospectively registered
Titles & IDs
Public title
Non-surgical outcomes among older adults after total joint replacement.
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Scientific title
Neuropsychological and affective outcomes among older adults after total joint replacement.
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Secondary ID [1]
281929
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None
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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:
post operative cognitive dysfunction
288331
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depression
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anxiety
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Condition category
Condition code
Neurological
288681
288681
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0
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Other neurological disorders
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Mental Health
288682
288682
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0
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Depression
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Mental Health
288683
288683
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0
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Anxiety
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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
Participants are older adults who are undergoing standard care total hip and knee replacement. They will be assessed on three occasions: approx 2 weeks pre-surgery, 2 weeks post-surgery, 6 months post-surgery. They will be assessed on their cognitive function(baseline and 2nd follow-up only), depression, anxiety, quality of life, pain and cognitive reserve (baseline only).
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Intervention code [1]
286490
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Not applicable
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Comparator / control treatment
Patient scores will be compared with those of healthy controls at all follow-up assessments. Healthy controls will consist of spouses, close friends or siblings of the patients, so will be similar with regard to age, SES and education. They cannot have undergone invasive surgery within the previous 6 months, or during the current study. They will be assessed along the same time frame as the patients.
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Control group
Active
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Outcomes
Primary outcome [1]
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Cognitive dysfunction: determined through a significant decline in performance on a battery of neuropsychological tests. This decline has to be independent from any time-related confounds, and will be determined through standardised regression-based methodology.
% of patients with cognitive dysfunction
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Assessment method [1]
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Timepoint [1]
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6 months post-surgery.
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Primary outcome [2]
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Depression: Hospital Depression and Anxiety Scale - score > 7 = mild depression, > 11 = moderate depression, > 16 = severe depression.
% of patients with depression.
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Assessment method [2]
288833
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Timepoint [2]
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baseline, 2 weeks post-surgery, 6 months post-surgery.
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Primary outcome [3]
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Anxiety: Hospital Depression and Anxiety Scale - score > 7 = mild anxiety, > 11 = moderate anxiety, > 16 = severe anxiety.
% of patients with anxiety.
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Assessment method [3]
288834
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Timepoint [3]
288834
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baseline, 2 week post-surgery, 6 month post-surgery
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Secondary outcome [1]
301086
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Pain, as indicated by the patient on a scale of 0 (no pain) to 100 (worst pain imaginable)
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Assessment method [1]
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Timepoint [1]
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baseline, 2 weeks post-surgery, 6 months post-surgery
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Secondary outcome [2]
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Quality of Life: Scores on the SF-36 v2
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Assessment method [2]
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Timepoint [2]
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baseline, 2 weeks post-surgery, 6 months post-surgery
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Eligibility
Key inclusion criteria
Joint replacement patients
- Undergoing primary total hip or knee replacement
- Aged 50 or over
- Proficient in English
Controls
- Are a partner, close friend or sibling of one undergoing primary total hip or knee replacement (who passes the relevant inclusion/exclusion criteria
- Aged 50 or over
- Proficient in English
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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
Exclusion criteria:
Joint replacement patients:
- Undergoing revision surgery, partial replacement or any other type of joint surgery.
- Have an existing neurological condition (e.g. dementia, multiple sclerosis), that is likely to affect performance on a cognitive battery
Controls:
- Have had invasive surgery (minimally invasive is acceptable) within the previous 6 months or have surgery planned for the following six months
- Have an existing neurological condition that is likely to affect performance on a cognitive battery
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Study design
Purpose
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Duration
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Selection
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Timing
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
31/08/2012
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Actual
31/01/2013
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Date of last participant enrolment
Anticipated
31/07/2013
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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
60
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Repatriation Hospital - Daw Park
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Recruitment postcode(s) [1]
6302
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5041 - Daw Park
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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Funded in part by an Australian Postgraduate Award,
The Department of Industry, Innovation, Science, Research and Tertiary Education
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Address [1]
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The Department of Industry, Innovation, Science, Research and Tertiary Education
GPO Box 9839
CANBERRA ACT 2601
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Prof Jane L. Mathias
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Address
Rm 524, Hughes Building
School of Psychology,
North Tce Campus
University of Adelaide
Adelaide,
SA, 5005
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Country
Australia
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Secondary sponsor category [1]
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Individual
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Name [1]
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Ms Julia Scott
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Address [1]
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Rm 217, Hughes Building
School of Psychology,
North Tce Campus
University of Adelaide
Adelaide,
SA, 5005
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Country [1]
285486
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Australia
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Secondary sponsor category [2]
285487
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Individual
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Name [2]
285487
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Dr Anthony C. Kneebone
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Address [2]
285487
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Department of Clinical Psychology
Flinders Medical Centre
Bedford Park SA 5042
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Country [2]
285487
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
288780
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Southern Adelaide Clinical Human Research Ethics Committee
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Ethics committee address [1]
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Flinders Medical Centre The Flats, G5, Rms 3 and 4 Flinders Drive, Bedford Pk, SA 5042
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Ethics committee country [1]
288780
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Australia
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Date submitted for ethics approval [1]
288780
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04/09/2012
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Approval date [1]
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10/07/2012
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Ethics approval number [1]
288780
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057.12
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Ethics committee name [2]
288781
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Human Research Ethics Committee - University of Adelaide
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Ethics committee address [2]
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University of Adelaide SA, 5005
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Ethics committee country [2]
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Australia
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Date submitted for ethics approval [2]
288781
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11/05/2012
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Approval date [2]
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11/07/2012
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Ethics approval number [2]
288781
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H-2012-072
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Summary
Brief summary
This study aims to examine the incidence of cognitive and affective problems after joint replacement surgery. These outcomes will also be placed into context of post-surgical pain and quality of life. The potential moderating role of cognitive reserve will also be assessed. The specific aims of the study are to: a) Define the incidence of short- and long-term cognitive dysfunction, depression and anxiety following joint replacement surgery. b) Determine the potential moderating role of reserve on these poorer outcomes. c) Identify the predictors of these poorer outcomes, with specific reference to quality of life, pain, and chronic medical conditions
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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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Prof Jane L. Mathias
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Address
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Rm 524, Hughes Building
School of Psychology,
University of Adelaide
North Terrace Campus
SA, 5005
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Country
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Australia
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Phone
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+61 8 8303 5266
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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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Jane L. Mathias
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Address
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Rm 524, Hughes Building
School of Psychology,
University of Adelaide
North Terrace Campus
SA, 5005
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Country
37743
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Australia
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Phone
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+61 8 8303 5266
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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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Jane L. Mathias
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Address
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Rm 524, Hughes Building
School of Psychology,
University of Adelaide
North Terrace Campus
SA, 5005
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Country
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Australia
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Phone
37744
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+61 8 8303 5266
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Fax
37744
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Email
37744
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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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