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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01789749
Registration number
NCT01789749
Ethics application status
Date submitted
28/11/2012
Date registered
12/02/2013
Date last updated
23/03/2021
Titles & IDs
Public title
Soft Coagulation for the Prevention of Adenoma Recurrence
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Scientific title
Soft Coagulation for the Prevention of Adenoma Recurrence After Endoscopic Mucosal Resection (EMR) of Large Sessile Colonic Polyps: A Multicentre, Randomized Trial.
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Secondary ID [1]
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HREC2012/5/4.6 (3512)
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Secondary ID [2]
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HREC/12/WMEAD/139
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Universal Trial Number (UTN)
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Trial acronym
SCAR
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Colonic Adenomas
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Condition category
Condition code
Cancer
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Bowel - Back passage (rectum) or large bowel (colon)
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Metabolic and Endocrine
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Other endocrine disorders
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Other
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Research that is not of generic health relevance and not applicable to specific health categories listed above
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Active comparator: No Coagulation Arm - Patients do not receive Snare Tip Soft Coagulation to the edge of the endoscopic resection defect
Experimental: Coagulation Arm - Patients to receive Snare Tip Soft Coagulation to the edge of the endoscopic resection defect
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Endoscopic recurrence
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Assessment method [1]
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Presence of residual/recurrent adenoma at the EMR scar at endoscopic follow-up
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Timepoint [1]
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4-6 months and 18 months
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Secondary outcome [1]
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Histologic recurrence
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Assessment method [1]
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Presence of residual/recurrent adenoma on biopsy of the endoscopic resection scar
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Timepoint [1]
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4-6 months and 18 months
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Secondary outcome [2]
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En bloc resection
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Assessment method [2]
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Rate of 'en bloc resection' (removing entire lesion in one snare) with histologically confirmed clear margins
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Timepoint [2]
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Index procedure
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Secondary outcome [3]
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Snare resections
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Assessment method [3]
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The number of snare resections needed to achieve complete clearance
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Timepoint [3]
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Index procedure
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Secondary outcome [4]
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Duration
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Assessment method [4]
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Time required for EMR
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Timepoint [4]
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Index procedure
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Secondary outcome [5]
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Perforation during EMR
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Assessment method [5]
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Perforation during EMR
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Timepoint [5]
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During index procedure
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Secondary outcome [6]
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Post EMR bleeding
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Assessment method [6]
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Bleeding after EMR requiring admission or repeat intervention
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Timepoint [6]
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Post Index procedure
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Secondary outcome [7]
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Number of injections for hemostasis
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Assessment method [7]
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Number of injections required for haemostasis
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Timepoint [7]
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Index procedure, if post EMR bleeding
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Secondary outcome [8]
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Location of bleeding vessels
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Assessment method [8]
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Location of bleeding vessels
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Timepoint [8]
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Index procedure, if post EMR bleeding
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Secondary outcome [9]
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Size/number of bleeding vessels
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Assessment method [9]
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Size/number of bleeding vessels
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Timepoint [9]
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Index procedure, if post EMR bleeding
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Secondary outcome [10]
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Delayed perforation
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Assessment method [10]
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Delayed perforation requiring intervention or readmission
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Timepoint [10]
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After index procedure
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Secondary outcome [11]
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Readmission
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Assessment method [11]
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Readmission after index procedure
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Timepoint [11]
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After index procedure
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Eligibility
Key inclusion criteria
* Referred for removal of a colonic polyp >= 20mm in size
* Able to give informed consent to involvement in trial
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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
* Younger than 18 years of age
* Highly dependant on medical care
* Women who are pregnant or may be pregnant.
* Taken clopidogrel within 7 days
* Taken warfarin within 5 days
* Had full therapeutic dose unfractionated heparin within 6 hours
* Had full therapeutic dose low molecular weight heparin (LMWH) within 12 hours
* Known clotting disorder
* Previous attempt at EMR of the polyp referred for resection
* Polyp located at the ileo-caecal valve, appendiceal orifice
* Fully circumferential polyp
* Incomplete snare resection of the polyp
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled 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
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
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Intervention assignment
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/07/2013
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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
16/12/2016
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Sample size
Target
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Accrual to date
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Final
455
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,V
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Recruitment hospital [1]
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Westmead Endoscopy Unit - Westmead
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Recruitment hospital [2]
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Princess Alexandra Hospital - Brisbane
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Recruitment hospital [3]
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Lyell McEwin Hospital - Adelaide
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Recruitment hospital [4]
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The Alfred Hospital - Melbourne
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Recruitment postcode(s) [1]
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2145 - Westmead
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Recruitment postcode(s) [2]
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- Brisbane
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Recruitment postcode(s) [3]
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- Adelaide
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Recruitment postcode(s) [4]
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- Melbourne
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Funding & Sponsors
Primary sponsor type
Other
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Name
Professor Michael Bourke
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Recurrence after endoscopic mucosal resection of laterally spreading lesions (LSL) \>= 20mm in size occurs in approximately 20% of cases at surveillance colonoscopy. We aim to evaluate the efficacy of prophylactic adjuvant thermal ablation of the EMR mucosal defect margin in reducing adenoma recurrence following colonic EMR.
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Trial website
https://clinicaltrials.gov/study/NCT01789749
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Trial related presentations / publications
Klein A, Tate DJ, Jayasekeran V, Hourigan L, Singh R, Brown G, Bahin FF, Burgess N, Williams SJ, Lee E, Sidhu M, Byth K, Bourke MJ. Thermal Ablation of Mucosal Defect Margins Reduces Adenoma Recurrence After Colonic Endoscopic Mucosal Resection. Gastroenterology. 2019 Feb;156(3):604-613.e3. doi: 10.1053/j.gastro.2018.10.003. Epub 2018 Oct 6.
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Public notes
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Contacts
Principal investigator
Name
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Michael Bourke, FRACP, MBBS
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Address
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Western SLHD
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT01789749
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