Trial Review

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The ANZCTR now automatically displays published trial results and simplifies the addition of trial documents such as unpublished protocols and statistical analysis plans.

These enhancements will offer a more comprehensive view of trials, regardless of whether their results are positive, negative, or inconclusive.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial registered on ANZCTR


Registration number
ACTRN12607000293460
Ethics application status
Approved
Date submitted
30/05/2007
Date registered
4/06/2007
Date last updated
1/06/2024
Date data sharing statement initially provided
24/09/2019
Type of registration
Retrospectively registered

Titles & IDs
Public title
Randomised trial of Ablation vs no Ablation of Barrett's oesophagus with Argon Plasma Coagulation in patients who have not undergone surgery for reflux
Scientific title
Randomised trial of Ablation vs no Ablation of Barrett's oesophagus with Argon Plasma Coagulation in patients who have not undergone surgery for reflux
Secondary ID [1] 287807 0
nil known
Universal Trial Number (UTN)
Trial acronym
Argon Plasma Coagulation medical trial
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Barrett's oesophagus 1835 0
Condition category
Condition code
Other 1928 1928 0 0
Oesophageal (gullet)

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Intervention entails coagulating the distal oesophageal mucosa at endoscopy with argon plasma coagulation to try to force conversion of a metaplastic columnar mucosa back to a squamous mucosa.
Intervention code [1] 1790 0
Prevention
Comparator / control treatment
Both the study and control groups are then managed by standard clinical care - ie yearly endoscopy with mucosal biopsies to identify early cancer development in the oesophagus.
Control group
Active

Outcomes
Primary outcome [1] 2742 0
We are determining the outcome at each year of follow-up.
Timepoint [1] 2742 0
Endoscopy is being undertaken yearly and patients will be followed for 20 years.
Secondary outcome [1] 4629 0
Endoscopy is being undertaken yearly and patients will be followed for 20 years.
Timepoint [1] 4629 0
We are determining the outcome at each year of follow-up.

Eligibility
Key inclusion criteria
Presence of Barrett's oesophagus at endoscopy, reflux controlled by proton pump inhibitor medication.
Minimum age
18 Years
Maximum age
75 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
Reflux controlled by fundoplication.

Study design
Purpose of the study
Prevention
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Sealed opaque envelope opened in endoscopy room
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
120 Envelopes prepared by independent nurse (60 = treatment, 60=control), and shuffled extensively.
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
2 groups - 1 receives standard treatment - regular endoscopy surveillance, and one receives ablation followed by endoscopy surveillance
Phase
Not Applicable
Type of endpoint/s
Efficacy
Statistical methods / analysis

Recruitment
Recruitment status
Active, not recruiting
Date of first participant enrolment
Anticipated
1/01/2000
Actual
4/04/2001
Date of last participant enrolment
Anticipated
Actual
1/01/2005
Date of last data collection
Anticipated
1/01/2025
Actual
Sample size
Target
100
Accrual to date
Final
65
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 4574 0
The Royal Adelaide Hospital - Adelaide
Recruitment hospital [2] 4575 0
Flinders Medical Centre - Bedford Park

Funding & Sponsors
Funding source category [1] 2073 0
University
Name [1] 2073 0
Department of Surgery, Flinders University
Country [1] 2073 0
Australia
Primary sponsor type
University
Name
Dept of Surgery, Flinders University
Address
Bedford Park, SA
Country
Australia
Secondary sponsor category [1] 1878 0
University
Name [1] 1878 0
Dept of Surgery, Adelaide University
Address [1] 1878 0
Adelaide
Country [1] 1878 0
Australia

Ethics approval
Ethics application status
Approved
Ethics committee name [1] 3847 0
Flinders Medical Centre
Ethics committee address [1] 3847 0
Ethics committee country [1] 3847 0
Australia
Date submitted for ethics approval [1] 3847 0
Approval date [1] 3847 0
18/08/2003
Ethics approval number [1] 3847 0
1/034
Ethics committee name [2] 3848 0
Royal Adelaide Hospital
Ethics committee address [2] 3848 0
Ethics committee country [2] 3848 0
Australia
Date submitted for ethics approval [2] 3848 0
Approval date [2] 3848 0
21/11/2000
Ethics approval number [2] 3848 0
990308

Summary
Brief summary
Comparison of Argon plasma Coagulation with surveillance for the reversal of Barrett's oesophagus and the prevention of cancer in the oesophagus, in patients who are taking conventional medications for gastroesophageal reflux
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 27893 0
Prof David Watson
Address 27893 0
Dept Surgery
Flinders University
Country 27893 0
Australia
Phone 27893 0
+61882046086
Fax 27893 0
Email 27893 0
[email protected]
Contact person for public queries
Name 10979 0
Professor David Watson
Address 10979 0
Department of Surgery
Flinders Medical Centre
Bedford Park
SA 5042
Country 10979 0
Australia
Phone 10979 0
+61 8 82046086
Fax 10979 0
+61 8 82046130
Email 10979 0
[email protected]
Contact person for scientific queries
Name 1907 0
Professor David Watson
Address 1907 0
Department of Surgery
Flinders Medical Centre
Bedford Park SA 5042
Country 1907 0
Australia
Phone 1907 0
+61 8 82046086
Fax 1907 0
+61 8 82046130
Email 1907 0
[email protected]

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No/undecided IPD sharing reason/comment


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.