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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02212548
Registration number
NCT02212548
Ethics application status
Date submitted
5/06/2012
Date registered
8/08/2014
Titles & IDs
Public title
Prostate-Rectal Separation With PEG Hydrogel and Its Effect on Decreasing Rectal Dose
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Scientific title
Prostate-Rectal Separation With PEG Hydrogel and Its Effect on Decreasing Rectal Dose
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Secondary ID [1]
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Hydrogel
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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:
Cancer of the Prostate
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Condition category
Condition code
Cancer
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Prostate
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - PEG Hydrogel (SpaceOAR)
Experimental: Hydrogel - The patient will be in the dorsal lithotomy position and prepared and draped. A transrectal ultrasound (TRUS) will be used for alignment of the needle and to ensure safe delivery. The hydrogel precursor and accelerator solutions will be mixed and connected to the Y connector that has been flushed with saline and to a syringe holder that ensures both syringe barrels are injected at the same time. After aspirating to ensure the tip of the needle is not intravascular, the perirectal space will be adequately dissected from the apex to midgland by injecting saline into the space between denonvilliers fascia and the anterior rectal space under TRUS guidance. Maintaining the needle position and angulation, the saline syringe is disconnected and the hydrogel system connected. After aspirating to ensure the needle tip is not in a blood vessel and under TRUS guidance, the 'PEG Hydrogel (SpaceOAR) is injected in a smooth, continuous technique.
Treatment: Devices: PEG Hydrogel (SpaceOAR)
A single injection of PEG hydrogel (SpaceOAR) through the perineum under transrectal ultrasound guidance while under general anaesthetic.
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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% volume of rectum receiving 40Gy, 65Gy, 70Gy, 75Gy and 80Gy
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Assessment method [1]
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Estimated % volume of rectum as measured on CT dosimetry based on CT scans ore and post insertion of hydrogel taken 1-2 weeks apart (% volume of rectum receiving 40Gy, 65Gy, 70Gy, 75Gy and 80Gy).
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Timepoint [1]
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CT scans taken 1-2 weeks apart (Pre and post Hydrogel insertion)
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Primary outcome [2]
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Evaluation of serious adverse events or complications secondary to PEG hydrogel insertion.
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Assessment method [2]
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Physcian reported toxicity using CTC
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Timepoint [2]
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Post-Hydrogel Insertion then 2nd weekly during radiation therapy up to 9 weeks and at a 3 month follow-up.
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Secondary outcome [1]
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Gastrointestinal toxicity
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Assessment method [1]
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Patients will be physician scored using the CTC and patient scored using the EPIC QOL questionaire
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Timepoint [1]
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Second weekly evaluation during radiation therapy up to 9 weeks and at 3 mths, 9 mths, 15 mths, 21 mths, 27mths and 36mths post treatment.
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Eligibility
Key inclusion criteria
1. Prostate cancer, confirmed with histopathology specimen;
2. Eligible for prostate radiotherapy, either for definitive treatment or to aid local control in patients with known metastatic disease.
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Minimum age
No limit
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Maximum age
No limit
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
Exclusion criteria:
1. Metastatic disease where local radiotherapy is not recommended management
2. Complications following prostate biopsy including infection
3. Urinary retention symptoms
4. Bleeding disorder
5. Renal impairment
6. Anal fistula or perianal abscess
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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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
Single group
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/03/2012
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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
1/12/2016
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Sample size
Target
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Accrual to date
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Final
30
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Northern Sydney Cancer Centre, Royal North Shore Hospital - St. Leonards
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Recruitment postcode(s) [1]
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2065 - St. Leonards
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Funding & Sponsors
Primary sponsor type
Other
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Name
Royal North Shore Hospital
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a Phase I prospective study of 30 patients to determine whether PEG hydrogel (SpaceOAR) reduces the dose of radiation delivered to the rectum during Image Guided Intensity Modulated Radiotherapy (IG-IMRT) for prostate cancer, by increasing the space between the prostate and the rectum.
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Trial website
https://clinicaltrials.gov/study/NCT02212548
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Trial related presentations / publications
Juneja P, Kneebone A, Booth JT, Thwaites DI, Kaur R, Colvill E, Ng JA, Keall PJ, Eade T. Prostate motion during radiotherapy of prostate cancer patients with and without application of a hydrogel spacer: a comparative study. Radiat Oncol. 2015 Oct 24;10:215. doi: 10.1186/s13014-015-0526-1. van Gysen K, Kneebone A, Alfieri F, Guo L, Eade T. Feasibility of and rectal dosimetry improvement with the use of SpaceOAR(R) hydrogel for dose-escalated prostate cancer radiotherapy. J Med Imaging Radiat Oncol. 2014 Aug;58(4):511-6. doi: 10.1111/1754-9485.12152. Epub 2014 Mar 3.
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Public notes
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Contacts
Principal investigator
Name
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Thomas Eade, MD
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Address
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Royal North Shore Hospital
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Fax
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Email
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Contact person for scientific queries
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?
Other centres with ethics approval to use annonymised data
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When will data be available (start and end dates)?
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Available to whom?
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Available for what types of analyses?
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How or where can data be obtained?
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Juneja P, Kneebone A, Booth JT, Thwaites DI, Kaur ...
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Journal
van Gysen K, Kneebone A, Alfieri F, Guo L, Eade T....
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Results not provided in
https://clinicaltrials.gov/study/NCT02212548