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Trial registered on ANZCTR
Registration number
ACTRN12620001329954
Ethics application status
Approved
Date submitted
2/10/2020
Date registered
9/12/2020
Date last updated
9/12/2020
Date data sharing statement initially provided
9/12/2020
Type of registration
Retrospectively registered
Titles & IDs
Public title
Comparison of two different suction rectal biopsy forceps for the diagnosis of Hirschsprung disease in children: A randomised controlled trial
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Scientific title
Efficacy of reusable suction rectal biopsy forceps (rbi2®) versus disposable suction rectal biopsy forceps (SBT 200®) for the diagnosis of Hirschsprung disease: A randomised controlled trial
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Secondary ID [1]
302461
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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:
Hirschsprung disease
319290
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Condition category
Condition code
Oral and Gastrointestinal
317257
317257
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Surgery
317258
317258
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0
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Surgical techniques
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Infants randomised into the SBT200® group, will undergo suction rectal biopsy with a fully disposable SBT200® SRB forceps.
The suction rectal biopsy is a standard procedure performed in children with suspected Hirschsprung disease.
The time take for the biopsy is normally 20 minutes.
The biopsy will be taken by a paediatric surgeon.
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Intervention code [1]
318753
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Diagnosis / Prognosis
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Comparator / control treatment
Infants randomised into the rbi2® group, will undergo suction rectal biopsy with the reusable SRB forceps and disposable rbi2® cartridges.
The suction rectal biopsy is a standard procedure performed in children with suspected Hirschsprung disease. The reusable SRB forceps and disposable rbi2® cartridges are currently routinely used at Monash Children's hospital.
The time take for the biopsy is normally 20 minutes.
The biopsy will be taken by a paediatric surgeon.
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Control group
Active
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Outcomes
Primary outcome [1]
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Number of inadequate specimens obtained on histological examination (lack of submucosa in the specimen).
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Assessment method [1]
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Timepoint [1]
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Within 7 days from the biopsy procedure.
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Primary outcome [2]
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Number of biopsies attempted at each episode recorded by the operating surgeon in the operating notes.
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Assessment method [2]
325314
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Timepoint [2]
325314
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Within 7 days from the biopsy procedure.
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Primary outcome [3]
325315
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Number of biopsy episodes performed recorded by the operating surgeon in the operating notes.
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Assessment method [3]
325315
0
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Timepoint [3]
325315
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Within 7 days from the biopsy procedure.
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Secondary outcome [1]
387476
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Bleeding (requiring blood transfusion). Obtained from the medical records.
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Assessment method [1]
387476
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Timepoint [1]
387476
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Within 24 hours from the biopsy procedure.
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Secondary outcome [2]
388632
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Rectal perforation. Obtained from the medical records.
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Assessment method [2]
388632
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Timepoint [2]
388632
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Within 7 days from the biopsy procedure.
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Secondary outcome [3]
388633
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Pelvic abscess. Obtained from the medical records.
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Assessment method [3]
388633
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Timepoint [3]
388633
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Within 7 days from the biopsy procedure.
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Secondary outcome [4]
388634
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Sepsis. Obtained from the medical records.
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Assessment method [4]
388634
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Timepoint [4]
388634
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Within 7 days from the biopsy procedure.
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Eligibility
Key inclusion criteria
All infants less than 6 months of age requiring a suction rectal biopsy to confirm the diagnosis of Hirschsprung disease will be eligible for the study.
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Minimum age
0
Days
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Maximum age
6
Months
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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
All infants over 6 months of age, those infants who have significant co morbidities such as cardiovascular instability and bleeding diathesis will be excluded from the study.
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Study design
Purpose of the study
Diagnosis
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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)
Allocation is not concealed
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Patients will be randomized according to weighted minimization; variables for minimization will include: gender and weight.
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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
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
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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
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Actual
1/12/2020
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Date of last participant enrolment
Anticipated
15/06/2022
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Actual
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Date of last data collection
Anticipated
15/07/2022
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Actual
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Sample size
Target
40
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Accrual to date
1
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Funding & Sponsors
Funding source category [1]
306887
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Commercial sector/Industry
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Name [1]
306887
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Trewavis Surgical Instruments Pty. Limited.
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Address [1]
306887
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21 Michellan Court, Bayswater
Victoria, Australia, 3153
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Country [1]
306887
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Australia
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Primary sponsor type
Hospital
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Name
Monash Health
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Address
246 Clayton Road
Clayton
Victoria 3168
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Country
Australia
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Secondary sponsor category [1]
307445
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None
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Name [1]
307445
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Address [1]
307445
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Country [1]
307445
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
307044
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Monash Health Research Ethics Committee
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Ethics committee address [1]
307044
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Research Support Services Level 2, I Block Monash Medical Centre 246 Clayton Road, Clayton, 3168
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Ethics committee country [1]
307044
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Australia
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Date submitted for ethics approval [1]
307044
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15/10/2020
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Approval date [1]
307044
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10/11/2020
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Ethics approval number [1]
307044
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ES-20-0000-817A
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Summary
Brief summary
A randomised controlled trial (RCT) will be conducted at Monash Children’s Hospital on infants less than 6 months of age with suspected Hirschsprung disease, requiring a suction rectal biopsy. The study will be an open-label (unblinded) randomised controlled trial: due to the nature of the intervention (i.e. different appearance of the rbi2® and SBT200®) biopsy forceps blinding is not possible. The hypothesis to be tested is that the SBT200® SRB forceps will have lower rates of inadequate specimen sampling, lower re-biopsy rates and lower or comparable complication rates. The proposed sample size for this trial is 40 children in total with 20 in each arm. Since the SBT200® is a brand-new device, no data is available regarding the rate of insufficient biopsy. The sample size has been chosen on feasibility based on the number of patients investigated for Hirschsprung disease each year at Monash Children’s Hospital (20-30) with the aim of completing the trial within 18-24 months. Primary endpoints for the trial will be the effectiveness and the complications with each SRB forceps - Number of biopsies attempted at each episode - Number of inadequate specimens obtained - Number of biopsy episodes performed - Complications: o Bleeding requiring admission/blood transfusion o Rectal perforation o Pelvic abscess/sepsis
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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 Maurizio Pacilli
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Address
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Department of Paediatric Surgery
Level 5, Monash Children's Hospital
246 Clayton Road
Clayton Vic 3168
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Country
105830
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Australia
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Phone
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+61385723837
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Fax
105830
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Email
105830
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[email protected]
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Contact person for public queries
Name
105831
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Maurizio Pacilli
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Address
105831
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Department of Paediatric Surgery
Level 5, Monash Children's Hospital
246 Clayton Road
Clayton Vic 3168
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Country
105831
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Australia
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Phone
105831
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+61385723837
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Fax
105831
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Email
105831
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[email protected]
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Contact person for scientific queries
Name
105832
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Maurizio Pacilli
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Address
105832
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Department of Paediatric Surgery
Level 5, Monash Children's Hospital
246 Clayton Road
Clayton Vic 3168
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Country
105832
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Australia
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Phone
105832
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+61385723837
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Fax
105832
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Email
105832
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
The data might contain intellectual property.
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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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