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DEFINITIONS
Trial Review
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Trial registered on ANZCTR
Registration number
ACTRN12618001198213
Ethics application status
Approved
Date submitted
10/07/2018
Date registered
18/07/2018
Date last updated
9/11/2021
Date data sharing statement initially provided
8/08/2019
Date results information initially provided
9/11/2021
Type of registration
Prospectively registered
Titles & IDs
Public title
Comparing a targeted biopsy regimen with a targeted and surveillance (Seattle protocol) biopsy regimen in eradicated dysplastic Barrett's oesophagus: a prospective study
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Scientific title
Comparing a targeted biopsy regimen with a combined targeted and surveillance (Seattle protocol) biopsy regimen in endoscopically eradicated Barrett’s dysplasia/intramucosal adenocarcinoma: a prospective study
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Secondary ID [1]
295472
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None
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Universal Trial Number (UTN)
U1111-1216-9661
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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:
Barrett's oesophagus
308736
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Oesophageal adenocarcinoma
308737
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Condition category
Condition code
Oral and Gastrointestinal
307673
307673
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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
307674
307674
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0
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Oesophageal (gullet)
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Intervention/exposure
Study type
Observational
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Patient registry
False
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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
We will be comparing two groups of outcomes in the same patient (ie. they become their own control group) - we will be practicing standard care with regards to endoscopic follow up of eradicated dysplastic Barrett's oesophagus and intramucosal oesophageal adenocarcima. This involves taking targeted biopsies of endoscopically abnormal areas (eg. nodules or ulcers) as well as biopsies from the gastric cardia and along the affected portion of the oesophagus in a systematic manner; four quadrant biopsies every 1cm will be taken as per the Seattle protocol, which is current standard of care. We will be recording the time and resources required for surveillance biopsies as well as the results of these to determine whether omitting these surveillance biopsies as per Seattle protocol in the future would be non-inferior to current standard of practice with regards to histology results and patient outcome; this would significantly save on time and costs associated with the process.
Therefore, the two groups will be as follows:
Control - gastric cardia, targeted and surveillance biopsies
Test - gastric cardia and surveillance biopsies only
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Intervention code [1]
301791
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Diagnosis / Prognosis
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Comparator / control treatment
The patient would act as both a 'control' and 'interventional' group as the intervention we are implementing is theoretical.
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Control group
Active
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Outcomes
Primary outcome [1]
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Proportion of abnormal biopsies (findings other than neo-squamous epithelium; ie. intestinal metaplasia) found on targeted and surveillance biopsies as per Seattle protocol during upper endoscopy in previously eradicated dysplastic Barrett's oesophagus
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Assessment method [1]
306657
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Timepoint [1]
306657
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At time of upper endoscopy
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Secondary outcome [1]
349164
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Time involved with obtaining endoscopic surveillance biopsies as per Seattle protocol. This will be measured using stopwatch timers.
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Assessment method [1]
349164
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Timepoint [1]
349164
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At time of upper endoscopy
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Secondary outcome [2]
349165
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Cost involved with obtaining endoscopic surveillance biopsies as per Seattle protocol. The Seattle protocol biopsies are placed in a new specimen pot for each centimetre. The costs for the histological assessment are clearly defined for a single pot of biopsies therefore allowing an exact cost calculation. The costs will be obtained from the Pathology Queensland website (http://hsqapps.hsq.health.qld.gov.au/testlistPQ/default.aspx), which have the cost of various investigations available.
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Assessment method [2]
349165
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Timepoint [2]
349165
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At time of upper endoscopy
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Eligibility
Key inclusion criteria
Adult patients who have undergone successful Barrett's oesophagus eradication who are currently having follow-up surveillance endoscopies
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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
patients with dysplastic Barrett's that have not achieved complete eradication of intestinal metaplasia.
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Study design
Purpose
Screening
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
We are aiming for 1000-2000 biopsies of neosquamous epithelium (taken from the site of previously eradicated Barrett's epithelium) as well as all additional targeted and cardia biopsies taken during these procedures. We will be comparing the two aforementioned groups with regards to time taken for procedure, costs, histological results and complications of procedure.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/08/2018
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Actual
1/08/2018
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Date of last participant enrolment
Anticipated
31/12/2020
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Actual
31/12/2020
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Date of last data collection
Anticipated
31/12/2020
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Actual
31/12/2020
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Sample size
Target
150
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Accrual to date
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Final
121
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
11391
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Princess Alexandra Hospital - Woolloongabba
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Recruitment postcode(s) [1]
23290
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4102 - Woolloongabba
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Funding & Sponsors
Funding source category [1]
300063
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Hospital
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Name [1]
300063
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Princess Alexandra Hospital
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Address [1]
300063
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199 Ipswich Rd Woolloongabba QLD 4102
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Country [1]
300063
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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 Rd Woolloongabba QLD 4102
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Country
Australia
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Secondary sponsor category [1]
299458
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None
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Name [1]
299458
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Address [1]
299458
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Country [1]
299458
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
300909
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Metro South Human Research Ethics Committee [EC00167]
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Ethics committee address [1]
300909
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Princess Alexandra Hospital, Centres for Health Research, Level 7, Translational Research Institute 37, Kent Street, WOOLLOONGABBA QLD 4102
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Ethics committee country [1]
300909
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Australia
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Date submitted for ethics approval [1]
300909
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18/06/2018
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Approval date [1]
300909
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04/07/2018
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Ethics approval number [1]
300909
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HREC/18/QPAH/390
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Summary
Brief summary
This study is examining two biopsy regimens for surveillance follow-up in patients where Barrett’s oesophagus with dysplasia or cancer has been eradicated.
Who is it for?
You may be eligible for this study if you have undergone successful endoscopic Barrett's oesophagus and/or oesophageal adenocarcinoma eradication and are currently having follow-up surveillance endoscopies.
Study details
All participants will undergo surveillance endoscope and biopsy as per their current standard treatment. The study personnel will record the time taken to take samples and perform economic analysis. Please note there is no additional testing or input required by participants in this study beyond participating in their routine care.
It is hoped this research will demonstrate that a reduced test biopsy regimen is more cost- and time-efficient than the standard biopsy regimen without reducing the surveillance quality.
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Trial website
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Trial related presentations / publications
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Public notes
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Attachments [1]
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/AnzctrAttachments/375546-Study Protocol_LH.doc
(Protocol)
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Attachments [2]
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/AnzctrAttachments/375546-ssa-18-391 Approved Ltr.pdf
(Ethics approval)
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Contacts
Principal investigator
Name
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Dr Luke Hourigan
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Address
85242
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Princess Alexandra Hospital
199 Ipswich Rd, Woolloongabba
QLD 4102
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Country
85242
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Australia
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Phone
85242
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+61731762111
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Fax
85242
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+61731765110
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Email
85242
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[email protected]
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Contact person for public queries
Name
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Dr Alexander Huelsen
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Address
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Princess Alexandra Hospital
199 Ipswich Rd, Woolloongabba
QLD 4102
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Country
85243
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Australia
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Phone
85243
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+61731762111
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Fax
85243
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+61731765110
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Email
85243
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[email protected]
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Contact person for scientific queries
Name
85244
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Dr Alexander Huelsen
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Address
85244
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Princess Alexandra Hospital
199 Ipswich Rd, Woolloongabba
QLD 4102
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Country
85244
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Australia
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Phone
85244
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+61731762111
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Fax
85244
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+61731765110
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Email
85244
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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)?
Yes
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What data in particular will be shared?
Patients will be de-identified. The details of their demographics and endoscopy and histology results will be attached to a unique identifier number.
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When will data be available (start and end dates)?
Data will be available from May 2018 onwards. We are still in the recruiting phase of the trial so there is currently no end date
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Available to whom?
Data will be available to anyone who requests this for further evaluation.
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Available for what types of analyses?
Meta-analyses or similar trials.
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How or where can data be obtained?
By emailing the primary contact.
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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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