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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02514512
Registration number
NCT02514512
Ethics application status
Date submitted
12/07/2015
Date registered
3/08/2015
Titles & IDs
Public title
Lung Cancer Radiotherapy Using Realtime Dynamic Multileaf Collimator (MLC) Adaptation And Radiofrequency Tracking
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Scientific title
Phase I Feasibility Study of Lung Cancer Radiotherapy Using Realtime Dynamic Multileaf Collimator (MLC) Adaptation and Radiofrequency Tracking
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Secondary ID [1]
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HREC/15/HAWKE/55
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Universal Trial Number (UTN)
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Trial acronym
LIGHTSABR
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Neoplasms
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Lung Neoplasms
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0
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Condition category
Condition code
Cancer
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Lung - Mesothelioma
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Cancer
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Lung - Non small cell
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Cancer
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0
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Lung - Small cell
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - MLC Tracking
No intervention: Standard SABR - Patients receive standard treatment
Experimental: MLC Tracking SABR - Patients are treated with MLC tracking
Treatment: Devices: MLC Tracking
Treat patient with Non FDA approved MLC Tracking
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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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To demonstrate feasibility of MLC tracking for lung cancer
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Assessment method [1]
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Percentage of fractions delivered without software or mechanical failure
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Timepoint [1]
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Assessed at 2 years
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Secondary outcome [1]
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Audio Visual (AV) Biofeedback
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Assessment method [1]
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Fraction of patients for whom AV biofeedback improves breathing regularity
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Timepoint [1]
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Assessed at 2 years
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Secondary outcome [2]
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Coefficient of variation in breathing patterns
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Assessment method [2]
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Breathing variations over imaging and treatment sessions with and without AV biofeedback using a statistical process for coefficient of variation
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Timepoint [2]
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Assessed at 2 years
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Secondary outcome [3]
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Target volumes
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Assessment method [3]
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Target volumes between the 4 Dimensional (4D) planning MLC tracking and Internal Target Volume (ITV) (standard) planning
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Timepoint [3]
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Assessed at 2 years
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Secondary outcome [4]
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Lung dose
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Assessment method [4]
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Difference in dose to healthy lung in treatment plans between 4D planning and ITV planning
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Timepoint [4]
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Assessed at 2 years
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Secondary outcome [5]
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Treated dose - MLC tracking
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Assessment method [5]
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Difference between the treated dose and planned dose for MLC tracking
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Timepoint [5]
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Assessed at 2 years
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Secondary outcome [6]
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Treated dose - standard
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Assessment method [6]
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Difference between the estimated treated dose and planned dose for ITV treatments
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Timepoint [6]
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Assessed at 2 years
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Secondary outcome [7]
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4D Cone Beam CT (CBCT) image quality
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Assessment method [7]
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Image quality and target position differences between the Calypso-based 4D CBCT image reconstruction and Revs Per Minute (RPM)-based 4D CBCT image reconstruction using Feldkamp filtered backprojection (FDK and iterative reconstruction algorithms.
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Timepoint [7]
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Assessed at 2 years
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Secondary outcome [8]
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Breathing variations with and without continuous positive air pressure (CPAP)
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Assessment method [8]
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To quantify the breathing variations over treatment sessions with and without application of continuous positive air pressure (CPAP)
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Timepoint [8]
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At time of treatment
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Eligibility
Key inclusion criteria
* Aged 18 or older
* Has provided written Informed Consent for participation in this trial and is willing to comply with the study
* Patients undergoing external beam radiotherapy at Northern Sydney Cancer Centre
* Histologically proven Stage I Non Small Cell Lung Cancer (NSCLC) oligometastatic lung metastases (3 or less). Histological diagnosis will be obtained if clinically indicated.
* MRI/4D-CT prior to insertion of Calypso beacons
* Patient must be able to have Varian Calypso beacons placed in the lung (if on anticoagulants, must be cleared by Local Medical Officer (LMO) or cardiologist).
* Eastern Cooperative Oncology Group (ECOG) performance status 0-2
* Body habitus enabling Calypso tracking (as per Calypso Determining a Patient's Localisation Designation & Orientation before implantation)
* A maximum of three metastases to the lung from any non-haematological malignancy. Multiple metastases will be treated separately.
* Tumour diameter = = 5cm
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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
* Previous high-dose thoracic radiotherapy.
* Less than two Calypso beacons implanted in the lung.
* Calypso beacons are spaced by greater than 9cm or less than 1cm.
* Calypso beacons are less than 19cm from outer chest wall
* Cytotoxic chemotherapy within 3 weeks of commencement of treatment, or concurrently with treatment. Hormonal manipulation agents are allowable (e.g. aromatase inhibitors, selective oestrogen receptor modulators, and gonadotropin releasing hormone receptor modulators)
* Targeted agents (such as sunitinib, bevacizumab and tarceva) within 7 days of commencement of treatment, or concurrently with treatment
* Women who are pregnant or lactating.
* Unwilling or unable to give informed consent
* Unwilling or unable to complete quality of life questionnaires
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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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
Parallel
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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
Active, not recruiting
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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
1/09/2015
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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
1/12/2025
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Actual
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Sample size
Target
20
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Royal North Shore Hospital - St Leonards
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Recruitment postcode(s) [1]
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2112 - 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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Other collaborator category [1]
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Other
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Name [1]
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University of Sydney
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Address [1]
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Country [1]
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Other collaborator category [2]
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Commercial sector/industry
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Name [2]
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Varian Medical Systems
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
A research study into a new technology for adjustment of the radiotherapy beam to account for movement of lung tumours as the patient breathes during radiotherapy.
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Trial website
https://clinicaltrials.gov/study/NCT02514512
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Trial related presentations / publications
Caillet V, Zwan B, Briggs A, Hardcastle N, Szymura K, Prodreka A, O'Brien R, Harris BE, Greer P, Haddad C, Jayamanne D, Eade T, Booth J, Keall P. Geometric uncertainty analysis of MLC tracking for lung SABR. Phys Med Biol. 2020 Dec 2;65(23):235040. doi: 10.1088/1361-6560/abb0c6. Booth J, Caillet V, Briggs A, Hardcastle N, Angelis G, Jayamanne D, Shepherd M, Podreka A, Szymura K, Nguyen DT, Poulsen P, O'Brien R, Harris B, Haddad C, Eade T, Keall P. MLC tracking for lung SABR is feasible, efficient and delivers high-precision target dose and lower normal tissue dose. Radiother Oncol. 2021 Feb;155:131-137. doi: 10.1016/j.radonc.2020.10.036. Epub 2020 Nov 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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RNSH
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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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Phone
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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?
Data is to be shared with USyd to fulfil the secondary endpoints of the trial
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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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02514512