- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01001728
SuPr Study (Supine Versus Prone Treatment Position in Breast Radiotherapy) (SuPr)
May 20, 2016 updated by: Royal Marsden NHS Foundation Trust
A Randomised Trial Investigating the Prone Treatment Position as a Method of Sparing Healthy Tissues in Women Prescribed Breast Radiotherapy (SuPr Study)
A randomised, two-arm, non-blinded crossover study investigating the impact of treatment position (prone versus supine) upon reproducibility of tumour bed position in patients undergoing breast radiotherapy following excision of early breast cancer.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
To establish whether or not the prone (face down) position reduces exposure of healthy tissue to radiation when compared to the supine position.
To compare patient comfort and acceptability in each of the prone and supine positions.
To perform a time and motion study for radiotherapy planned and delivered in each of the prone and supine positions.
Study Type
Interventional
Enrollment (Actual)
25
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Surrey
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Sutton, Surrey, United Kingdom, SM2 5PT
- Royal Marsden NHS Foundation Trust
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Female
Description
Inclusion Criteria:
- Complete microscopic excision of early stage invasive ductal or lobular carcinoma (pT1-3b N0-1 M0) with breast preservation.
- Paired titanium clips marking anterior, posterior, and radial walls of excision cavity
- Breast cup size C or above
- Recommendation for whole breast radiotherapy
- No requirement for nodal irradiation
- Ability to lie prone on breast board
- For left-sided breast cancer patients, cardiac and LAD doses must be ≤10% greater than those predicted for the supine position.
- For all patients, the following absolute dose constraints should be met: ≤5% of heart volume to receive 18Gy and ≤10% of ipsilateral lung volume to receive ≥20Gy
- Age ≥18
- PS ≤1
- No previous radiotherapy to the affected breast
- No concomitant herceptin
- Absence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule.
- Written informed consent given according to ICH/GCP before registration/ randomisation.
- Patients can only be randomised into this trial once.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Prone Position
Patients will lie on their fronts on an in-house designed board comprising an arm positioning device registerable to the couch-top, together with a styrofoam/ memory foam mattress.
The ipsilateral breast will drop through an aperture in the mattress.
The distance from the nipple to the superior, inferior and lateral aspects of the aperture will be recorded along with the distance of the nipple from the couch-top.
Arms will be extended as far as possible above the head and the position of the arm immobilisation handles recorded.
The head will be turned to the contralateral side.
The contralateral breast will be pulled laterally such that it is as flat as possible beneath the patient.
Measurements will be taken in order to relate the position of the bi-lateral tattoos to the orthogonal lasers.
A fourth tattoo will be marked on the patient's back in line with the A-P laser.
The position will be reproduced at treatment using measurements from the tattoo to the laser.
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Active Comparator: Supine position
For the supine position, patients will be positioned on a customized supine breast board co-registerable to the couch-top to CT and the treatment machines.
Arms will be placed above the head in supports.
Arm and head position will be recorded along with the angle of the board (which is adjusted such that the sternum is parallel to the couch-top).
Tattoos will be marked bi-laterally and medially in a defined relationship to orthogonal lasers.
The position will be reproduced at treatment using the above measurements, tattoos and lasers.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Interfraction reproducibility of tumour bed position (Reproducibility of tumour bed position in supine versus prone positions compared using the difference in mean daily displacement in tumour bed centre of gravity over a course of radiotherapy in 3D).
Time Frame: End of radiotherapy
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End of radiotherapy
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Professor John Yarnold, Royal Marsden NHS Foundation Trust
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
November 1, 2008
Primary Completion (Actual)
November 1, 2009
Study Completion (Actual)
November 1, 2009
Study Registration Dates
First Submitted
October 26, 2009
First Submitted That Met QC Criteria
October 26, 2009
First Posted (Estimate)
October 27, 2009
Study Record Updates
Last Update Posted (Estimate)
May 23, 2016
Last Update Submitted That Met QC Criteria
May 20, 2016
Last Verified
May 1, 2016
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CCR3131
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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