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Trial registered on ANZCTR
Registration number
ACTRN12608000600347
Ethics application status
Approved
Date submitted
16/09/2008
Date registered
1/12/2008
Date last updated
9/07/2011
Type of registration
Prospectively registered
Titles & IDs
Public title
A randomised controlled blinded trial to investigate the effect of hyoscine butylbromide during colonoscopy on rates of polyp detection.
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Scientific title
In patients undergoing standard fibreoptic colonoscopy at a single centre, randomly allocated to receive hyoscine butylbromide or saline; a comparison of polyp detection rates between the two groups is to be undertaken to improve detection of colonic polyps.
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Secondary ID [1]
262600
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A BLINDED RANDOMISED PLACEBO CONTROLLED TRIAL OF HYOSCINE BUTYLBROMIDE GIVEN DURING COLONOSCOPY TO INCREASE POLYP DETECTION
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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:
Colonic polyposis
3702
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Condition category
Condition code
Oral and Gastrointestinal
3866
3866
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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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Cancer
3867
3867
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0
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Bowel - Back passage (rectum) or large bowel (colon)
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
During the isolated procedure of a single colonoscopy using the standard equipment, monitoring and sedation; the intervention (a single dose of hyoscine butylbromide 20 mg intravenously over approximately 10 seconds, also commercially known as buscopan) will be administered upon intubation of the caecum.
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Intervention code [1]
3414
0
Treatment: Drugs
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Comparator / control treatment
Standard treatment for colonoscopy (no treatment in additinoal to standard equipment, monitoring and sedation). Upon intubation of the caecum the control group will receive a single intravenous dose of normal saline solution administered as a placebo. The control group will receive their colonoscopy as an isolated single procedure.
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Control group
Placebo
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Outcomes
Primary outcome [1]
4768
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Number of colonic polyps detected by inspection of the bowel via a fibreoptic colonoscope in patients with polyps detected at the isolated single procedure of colonoscopy.
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Assessment method [1]
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Timepoint [1]
4768
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At the time of colonoscopy.
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Secondary outcome [1]
8055
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Number of patients with polyps detected by inspection of the bowel with a fibreoptic colonoscope during the isolated single procedure of colonoscopy.
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Assessment method [1]
8055
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Timepoint [1]
8055
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At the time of colonoscopy
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Secondary outcome [2]
8056
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Average number of polyps detected by inspection of the bowel with a fibreoptic colonoscope during the isolated single procedure of colonoscopy.
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Assessment method [2]
8056
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Timepoint [2]
8056
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At the time of colonoscopy.
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Eligibility
Key inclusion criteria
Booking for colonoscopy.
Intact colon (no previous colonic resection).
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Minimum age
16
Years
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Maximum age
100
Years
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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
Emergency colonoscopic procedure
Previous colon resection
Already included in this study
Glaucoma
Achalasia
Previous urinary retention
Known bowel obstructions
Myasthenia gravis
Porphyria
Fructose intolerance
Megacolon
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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 concealment via numbered sheets of paper checked against a central computer.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Randomisation via computer.
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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
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
Completed
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Date of first participant enrolment
Anticipated
1/12/2008
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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
300
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Recruitment postcode(s) [1]
1158
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2050
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Funding & Sponsors
Funding source category [1]
3880
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Self funded/Unfunded
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Name [1]
3880
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Address [1]
3880
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Country [1]
3880
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Primary sponsor type
Individual
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Name
Dr A Kaffes
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Address
Gastroenterology and Liver Centre
Building 77 Level 9
Royal Prince Alfred Hospital
Missenden Rd
Newtown
NSW 2050
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Country
Australia
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Secondary sponsor category [1]
3484
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Other Collaborative groups
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Name [1]
3484
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AW Morrow Gastroenterology and Liver Centre
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Address [1]
3484
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AW Morrow Gastroenterology and Liver Centre
Building 77 Level 9
RPAH
Missenden Rd
Newtown
NSW 2050
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Country [1]
3484
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
5932
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Ethics committee address [1]
5932
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Ethics committee country [1]
5932
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Date submitted for ethics approval [1]
5932
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18/09/2008
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Approval date [1]
5932
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Ethics approval number [1]
5932
0
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Summary
Brief summary
Some colonic polyps are not seen during colonoscopy, and new therapies are frequently tested to decrease the 'miss-rate' of around 15-20 %. The aim of this study is to test the hypothesis that using an antispasmodic drug (hyoscine butylbromide - also known as buscopan), given as a single intravenous dose during colonoscopy, that polyp detection rates may be improved. The study population will be all patients (who agree to participate)booked in for routine colonoscopy for any indication at a university hospital centre.
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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
28940
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Address
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Country
28940
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Phone
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Fax
28940
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Email
28940
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Contact person for public queries
Name
12097
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Dr Crispin Corte
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Address
12097
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AW Morrow Gastroenterology and Liver Centre
Building 77 Level 9
RPAH
Missenden Rd
Newtown
NSW 2050
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Country
12097
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Australia
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Phone
12097
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(02) 95156111
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Fax
12097
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Email
12097
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[email protected]
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Contact person for scientific queries
Name
3025
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Dr Crispin Corte
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Address
3025
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AW Morrow Gastroenterology and Liver Centre
Building 77 Level 9
RPAH
Missenden Rd
Newtown
NSW 2050
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Country
3025
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Australia
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Phone
3025
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(02) 95156111
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Fax
3025
0
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Email
3025
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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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