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Trial registered on ANZCTR
Registration number
ACTRN12618000246280
Ethics application status
Approved
Date submitted
5/12/2017
Date registered
15/02/2018
Date last updated
15/02/2018
Type of registration
Retrospectively registered
Titles & IDs
Public title
Performance of a new preloaded fiducial needle for guided radiation therapy of upper gastrointestinal cancers
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Scientific title
Performance of a new preloaded fiducial needle for guided radiation therapy of upper gastrointestinal cancers
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Secondary ID [1]
293537
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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:
Gastrointestinal Cancers
305735
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Condition category
Condition code
Cancer
304952
304952
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0
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Oesophageal (gullet)
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Cancer
304954
304954
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0
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Pancreatic
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Cancer
304955
304955
0
0
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Liver
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Cancer
304956
304956
0
0
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Biliary tree (gall bladder and bile duct)
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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
Data on patients who underwent EUS-guided fiducial placement for stereotactic body radiotherapy (SBRT) or brachytherapy for gastrointestinal (GI) malignancies were retrospectively and prospectively recruited over 2 years. Visicoil Linear Fiducial Markers (Dosimetry, Schwarzenbruck, Germany) and fiducial bars from the EchoTip Fiducial Needle (Cook Medical, Indiana, United States) were used. Either conventional Viscoils (10mm gold-coils), or the new 22G fiducial needle preloaded with 4x5mm long gold bars were used and the choice was at the discretion of the endoscopists.
For the preloaded system, four 5mm gold bars are part of a 22G needle and are preloaded at the tip of the needle. This allows the fiducials to be deployed to target lesions consecutively in a short amount of time, and avoid the need of withdrawing the needle to load the subsequent fiducials. There are small spaces between the preloaded fiducials, assisting the endoscopist to know when the fiducial is deployed.
In all cases, the procedure was performed with the GF-UCT180 linear echoendoscope (Olympus, Center Valley, PA, USA) and fluoroscopy was used when available. All insertions were done by a single, highly experienced endosonographer with the patients under sedation with Propofol by a specialist anaesthetist. All patients received prophylactic intra-venous anti-biotics during the procedure (Ceftriaxone 1gm or Clindamycin 600mg). The number of fiducials placed was at the discretion of the endosonographer with the aim being 1-4. All patients were monitored for a minimum of 2 hours post-procedure for any early complications and were also advised to contact the centre or doctor for any delayed symptoms suggestive of complications. Patients were also assessed in clinic for any complications 30 days post-procedure.
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Intervention code [1]
299771
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Diagnosis / Prognosis
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Comparator / control treatment
The performance of the conventional coil fiducial (Visicoil) will be the control treatment, and will be compared the new EUS preloaded fiducial needle (Cook Medical), for stereotactic body radiotherapy and brachytherapy.
The method for loading and deploying the Visicoil Fiducials required using a 22G or 19G EchoTip needle, which was chosen at the discretion of the endoscopist. This approach requires individual loading of a single fiducial to the tip of a FNA needle prior to each single deployment.
The number of fiducials placed was at the discretion of the endosonographer with the aim being 1-4. These were placed by trained endoscopist using echoendoscope and fluroscopy under anaethesia.
All patients received prophylactic intra-venous anti-biotics during the procedure (Ceftriaxone 1gm or Clindamycin 600mg).
Patients were monitored for a minimum of 2 hours post-procedure for any early complications and assessed 30 days post-operatively.
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Control group
Active
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Outcomes
Primary outcome [1]
304136
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To compare the performance of a new EUS preloaded fiducial needle (Cook Medical) against the conventional coil fiducial (Visicoil) for SBRT and brachytherapy.
This is defined as technical success; the ability to place 1 or more fiducials in the desired location (with endoscopic ultrasound assessment immediately after deployment). The number of fiducials placed was at the discretion of the endosonographer, with the aim being 1-4.
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Assessment method [1]
304136
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Timepoint [1]
304136
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This outcome is assessed within 2 days of the procedure.
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Secondary outcome [1]
341068
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To compare the number of fiducials placed. The number of fiducials placed was at the discretion of the endosonographer with the aim being 1-4.
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Assessment method [1]
341068
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Timepoint [1]
341068
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This outcome is assessed within 2 days of the procedure.
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Secondary outcome [2]
341070
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Procedural complications. This includes gastrointestinal perforation, bleeding, post-procedure pancreatitis, infections or seed migration requiring re-insertion.
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Assessment method [2]
341070
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Timepoint [2]
341070
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All patients were monitored for a minimum of 2 hours post-procedure for any early complications and were also advised to contact the centre or doctor for any delayed symptoms suggestive of complications. Patients were also assessed in clinic for any complications 30 days post-procedure.
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Secondary outcome [3]
341072
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To compare the fiducial insertion time. This is defined as the total time taken to load the fiducials, insert the needle into the lesion and to deploy the fiducials..
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Assessment method [3]
341072
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Timepoint [3]
341072
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This outcome is assessed at the time of the fiducial insertion.
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Secondary outcome [4]
341074
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To compare fiducial visability. This is assessed by visual analogue scale from 0 to 2, where a score of 0 is not visible, 1 is barely visible, and 2 is clearly visible. The score was assessed from images of CT scans as well as fluoroscopic images.
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Assessment method [4]
341074
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Timepoint [4]
341074
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This outcome is assessed within 2 days of the procedure.
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Eligibility
Key inclusion criteria
1. Only patients with gastrointestinal malignancy, confirmed by a cytopathologist.
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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
1. Pregnancy.
2. Those who cannot provide informed consent.
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Study design
Purpose
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Duration
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Selection
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Timing
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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
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Actual
5/12/2017
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Date of last participant enrolment
Anticipated
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Actual
29/12/2017
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Date of last data collection
Anticipated
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Actual
5/01/2018
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Sample size
Target
55
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Accrual to date
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Final
55
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
9493
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The Royal Adelaide Hospital - Adelaide
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Recruitment postcode(s) [1]
18233
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5000 - Adelaide
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Funding & Sponsors
Funding source category [1]
298151
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Hospital
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Name [1]
298151
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Royal Adelaide Hospital
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Address [1]
298151
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Department of Gastroenterology and Hepatology,
Port Road, Adelaide,
SA 5000
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Country [1]
298151
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Australia
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Primary sponsor type
Hospital
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Name
Royal Adelaide Hospital
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Address
Department of Gastroenterology and Hepatology,
Port Road, Adelaide,
SA 5000
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Country
Australia
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Secondary sponsor category [1]
297238
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None
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Name [1]
297238
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Address [1]
297238
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Country [1]
297238
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
299165
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Royal Adelaide Hospital Human Research Ethics Committee
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Ethics committee address [1]
299165
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Ethics committee country [1]
299165
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Australia
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Date submitted for ethics approval [1]
299165
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Approval date [1]
299165
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04/12/2017
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Ethics approval number [1]
299165
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HREC/17/RAH/549
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Summary
Brief summary
Image guided radiotherapy (IGRT) has recently emerged as a technique for delivering high doses of radiation accurately over a short time span. It has advantages over conventional external beam radiation (EBRT) by minimising radiation exposure to the surrounding tissues and thus potentially reducing toxicities. This has been utilised at a variety of sites, including the pancreas, oesophagus, lung and prostate. Image guidance is best achieved with the implantation of target markers called fiducials or seeds. These are typically composed of gold and there are currently several available on the market. In pancreatic cancer, fiducials are superior to biliary stents in terms of showing tumour position. The technique for implanting fiducials has traditionally been done percutaneously or surgically, but such approach often limited by its invasiveness or the deep location of the cancers such as those from the esophagus or pancreas. Given the ability of EUS to reach these “difficult” organs, the efficacy and safety of EUS guided fiducial insertion for these GI malignancies have been demonstrated recently. The technique of inserting fiducials almost identical to that of FNA/FNB. Compared to percutaneous method, EUS guided fiducial insertion is likely to associated with a reduction in peritoneal seeding risk and obviates the need to traverse other organs. Up to now, 10mm gold Visicoils of various diameter is the fiducial system for EUS insertion. This approach, however, requires individual loading of a single fiducial to the tip of a FNA needle prior to each single deployment, which is tedious and time consuming. More recently, Cook Medical has specifically designed a dedicated 22G EUS guided fiducial needle with 4 x 5mm gold bars preloaded at the tip of the needle. This allows the fiducials to be deployed to target lesions consecutively in a short amount of time, and avoid the need of withdrawing the needle to load the subsequent fiducials. In live porcine model, the use of this needle prototype was associated with safety, high technical success rate and high visibility score on fluoroscopy. Who can participate? Recruitment for this study was done on a retrospective and prospective basis. Data on patients who underwent EUS-guided fiducial placement for SBRT or brachytherapy for GI malignancies were recruited over a 4 year period. Only patients with confirmed malignancy by a cytopathologist and able to give informed consent were included. Aim: The aim of this study is to compare the performance of a new EUS preloaded fiducial needle (Cook Medical) against the conventional coil fiducial (Visicoil) for SBRT and brachytherapy. Hypothesis: It is hypothesized that the new EUS guided preloaded fiducial needle will perform just as well as the conventional coil fiducial, with a 100% technical success rate.
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Trial website
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Trial related presentations / publications
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Public notes
Recruitment for this study was done on a retrospective and prospective basis - hence ethics approval was obtained after a significant proportion of the patients had undergone the procedure. 12 patients were recruited Prospectively, and 43 patients Retrospectively.
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Contacts
Principal investigator
Name
79518
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Dr Vinh-An Phan
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Address
79518
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Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Port Road, Adelaide, South Australia, Australia 5000.
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Country
79518
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Australia
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Phone
79518
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+61870742189
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Fax
79518
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Email
79518
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[email protected]
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Contact person for public queries
Name
79519
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Romina Safaeian
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Address
79519
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Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Port Road, Adelaide, South Australia, Australia 5000.
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Country
79519
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Australia
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Phone
79519
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+61870742189
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Fax
79519
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Email
79519
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[email protected]
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Contact person for scientific queries
Name
79520
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Romina Safaeian
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Address
79520
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Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Port Road, Adelaide, South Australia, Australia 5000.
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Country
79520
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Australia
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Phone
79520
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+61870742189
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Fax
79520
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Email
79520
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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.
Download to PDF