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Trial registered on ANZCTR
Registration number
ACTRN12617000100392p
Ethics application status
Not yet submitted
Date submitted
20/12/2016
Date registered
18/01/2017
Date last updated
18/01/2017
Type of registration
Prospectively registered
Titles & IDs
Public title
The Tape Locking Screw Technique: A new Anterior Cruciate Ligament (ACL) reconstruction technique
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Scientific title
The Tape Locking Screw Technique: A new ACL reconstruction technique and the Impact of the tape locking screw technique on postoperative mobility
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Secondary ID [1]
290790
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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:
Anterior cruciate ligament injury
301436
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Condition category
Condition code
Surgery
301155
301155
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0
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Surgical techniques
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Musculoskeletal
301156
301156
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0
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Other muscular and skeletal disorders
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Injuries and Accidents
301315
301315
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0
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Other injuries and accidents
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Comparison of two surgical techniques to repair anterior cruciate ligament injury. The tape locking system which is the device was developed in 2003 by FH Orthopaedics. It is a single tendon harvest prepared into a short four to five strand closed loop, with a diameter of 8 to 10mm and a 500N pre-load. The tunnels are shorter that the conventional methods of ACL repair and are created in a retrograde manner. The TLS system is to be compared against conventional ACL reconstruction technique which is a double (semitendinosus/ gracillus) tendon harvest. The TLS procedure may take between one to two hours. Both techniques will be performed by a consultant orthopaedic surgeon. Participants will be allocated into one of two groups depending upon ther preferred treatment of the consultant. 50 participants will be randomised to one orthopaedic surgeons who will perform the TLS surgical technique for ACL reconstruction and 50 participants will be randomised orthopaedic surgeons who perform the conventional ACL reconstruction technique.
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Intervention code [1]
296705
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Treatment: Surgery
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Comparator / control treatment
The conventional ACL reconstruction technique used in the control group is a double (semitendinosus/ gracillus) tendon harvest.The surgeon drills small holes into the upper and lower leg bones where these bones come close together at the knee joint. The holes form tunnels through which the graft is anchored.
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Control group
Active
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Outcomes
Primary outcome [1]
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Pain which will, be assessed using the visual analogue scale to rate pain
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Assessment method [1]
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Timepoint [1]
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12 months post procedure
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Secondary outcome [1]
330325
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Strength to be assessed at harvest site , contralateral limb (flexion strength at varying angles. Flexion strength will also be assessed by internal rotations and 1 leg hop test.:
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Assessment method [1]
330325
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Timepoint [1]
330325
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12 months post procedure
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Secondary outcome [2]
330792
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Laxity to be assessed via anterior draw
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Assessment method [2]
330792
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Timepoint [2]
330792
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12 months
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Secondary outcome [3]
330793
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Overall knee movement to be assessed via IKDC score, Tegner Lysholm score, and Cincinattl score
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Assessment method [3]
330793
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Timepoint [3]
330793
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12 months
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Eligibility
Key inclusion criteria
Eligible participants include those with an ACL Injury recorded within 5 months requiring surgery that also have a normal opposite knee
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Minimum age
16
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
*Previous knee surgery (excluding diagnostic arthroscopy/ meniscus surgery)
*Associated ligament injury
*Grade 3-4 chondral damage
*Abnormal radiographs
*Unable to attend OPD clinic appointments at the PAH
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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
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Who is / are masked / blinded?
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Intervention assignment
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Other design features
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Phase
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Type of endpoint/s
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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
1/03/2017
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Actual
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Date of last participant enrolment
Anticipated
30/03/2018
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Actual
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Date of last data collection
Anticipated
30/03/2019
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Actual
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Sample size
Target
100
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
7169
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Princess Alexandra Hospital - Woolloongabba
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Recruitment postcode(s) [1]
14929
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4102 - Woolloongabba
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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Princess Alexandra Hospital
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Address [1]
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199 Ipswich Road
Woolloongabba 4102
Queensland
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Country [1]
295215
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Australia
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Primary sponsor type
Hospital
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Name
Princess Alexandra Hospital
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Address
199 Ipswich Road
Woolloongabba 4102
Queensland
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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]
294043
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Address [1]
294043
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Country [1]
294043
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
296561
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Metro South HREC
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Ethics committee address [1]
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199 Ipswich Road Woolloongabba 4102 Queensland
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
296561
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19/01/2017
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Approval date [1]
296561
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Ethics approval number [1]
296561
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Summary
Brief summary
A comparison of the Tape Locking Screw (TLS) in Anterior Cruciate Ligament (ACL) reconstruction technique and conventional Anterior Cruciate Ligament reconstruction surgical technique. Hypothesis: The TLS ACL reconstruction technique has superior post-operative outcomes compared to conventional ACL reconstruction techniques. a) The single (semitendinosus) tendon harvest has less functional detriment compared with the double (semitendinosus/ gracillus) tendon harvest b) Retrograde tunnelling has superior post-operative outcomes compared to traditional anterograde tunnelling c) TLS fixation with 500N of pre-loading has better functional outcomes compared to a non-tensioned hamstring tendon graft
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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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Dr Cameron Cooke
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Address
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Princess Alexandra Hospital
199 Ipswich Road
Woolloongabba 4102
Queensland
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Country
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Australia
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Phone
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+61 7 3176 6640
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Fax
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+61 7 3176 5156
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Email
71294
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[email protected]
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Contact person for public queries
Name
71295
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Genni Lynch
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Address
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Princess Alexandra Hospital
199 Ipswich Road
Woolloongabba 4102
Queensland
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Country
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Australia
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Phone
71295
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+61 7 31766640
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Fax
71295
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+61 7 31765156
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Email
71295
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[email protected]
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Contact person for scientific queries
Name
71296
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Genni Lynch
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Address
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Princess Alexandra Hospital
199 Ipswich Road
Woolloongabba 4102
Queensland
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Country
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Australia
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Phone
71296
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+61 7 31766640
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Fax
71296
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+61 7 31765156
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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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