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  • Development of Quality Audits for Advanced Technology (IMRT) in Radiotherapy Dose Delivery

    Closed for Proposals

    Project Type

    Coordinated Research Project

    Project Code

    E24018

    CRP

    1967

    Approved Date

    29/10/2012

    Project Status

    Closed

    Start Date

    04/06/2013

    Expected End Date

    03/06/2016

    Completed Date

    19/01/2017

    Description

    External audit is a crucial element in QA programmes for clinical dosimetry in radiotherapy. The proposed CRP will extend the scope of activities by national TLD-based networks from dosimetry audit for complex 3D-conformal techniques to audit of advanced technology, including intensity-modulated radiotherapy (IMRT) which is becoming increasingly used in modern radiotherapy in Member States.

    Objectives

    To ensure the quality of the dosimetric chain in Member States through an independent means of verification of advanced technologies in radiotherapy dose delivery used for treatment of cancer patients.
    To assist Member States in developing national quality audit programmes for radiotherapy dosimetry.

    Specific Objectives

    To develop and make available a methodology and procedures for national EAGs for dose calculations for small fields and film-based dosimetry for MLC dosimetric and positional performance for IMRT.

    To develop and make available a methodology and procedures for national EAGs for dose verification of advanced technology radiotherapy parameters used for cancer treatment.

    To develop and make available a methodology and procedures for national EAGs for TLD- and film based dosimetry for single clinical IMRT field dose delivery.

    To develop and make available a methodology and procedures for national EAGs for TLD-based and film-based dosimetry using an ‘end-to-end’ approach (imaging, planning, dose delivery) for multiple field IMRT technique.

    Impact

    The results of the CRP contributed to the increase in radiation dosimetry expertise in the participated countries that leads to potentially reducing the number of misadministrations of dose to radiotherapy patients. It also provided improved confidence in the introduction of more advanced technologies and treatments in Member States involved in the CRP. Hence, better cooperation and standardization of radiation dosimetry practices is expected at the national and potentially international level for those countries participating in the CRP. The project can also benefit any other country willing to develop a national dosimetry network. There is direct experience available, gained by the countries involved in the CRP, on the practical methods and procedures to perform measurements of the advanced parameters included in this project. In addition, the network experience, is available as examples of how to develop the methodology to implement those procedures and to allow these experiences and results to be shared and transferred to others. The methods and the tools required can then be adopted by other national networks in a straightforward manner.

    Relevance

    The ultimate benefit is to the potentially large numbers of patients undergoing radiotherapy who will receive improved quality treatment with advanced radiotherapy technologies.

    CRP Publications

    IAEA
    conference proceedings
    2015
    J. Izewska, P. Bera, P. Grochowska, B. Bencsik, A. Meghzifene, From simple to advanced dosimetry audits in radiotherapy: IAEA coordinated research, Abstract book of World Congress of Medical Physics and Biomedical Engineering 2015, p. 607
    Austria, Australia, Belgium, Finland, UK, USA, IAEA
    conference proceedings
    2015
    G. Azangwe, D. Followill, D. Georg, P. Grochowska, S. F. Kry, W. Lechner, J. Povall, M. Tenhunen, D. I. Thwaites, M. Tomsej, J. Izewska, Development of methodology for remote IMRT audits and related tests, Abstract book of 3rd ESTRO Forum 2015, Rad. Onc. Vol 115, Suppl. 1, 2015, p. S428
    IAEA
    conference proceedings
    2015
    B. Bencsik, P. Grochowska, J. Izewska, IAEA multicentre study of the methodology for advanced dosimetry audit: single IMRT field dose delivery, Abstract book of World Congress of Medical Physics and Biomedical Engineering 2015, p. 565
    Belgium, USA, Austria, IAEA, Finland, Australia
    conference proceedings
    2015
    TOMSEJ M., FOLLOWILL D., GEORG D., IZEWSKA J., KRY S., TENHUNEN M., THWAITES D., Development of external dosimtery audits for advanced technology in radiotherapy dose delivery: An IAEA coordinated research project, Physica Medica, Volume 31, Supplement 2 (Novemver 2015), Page e29
    IAEA
    conference proceedings
    2015
    P. Grochowska, B. Bencsik, A. Cole, J. Izewska, Film quality audit of MLC performance for IMRT dose delivery, Abstract book of 3rd ESTRO Forum 2015, Rad. Onc. Vol 115, Suppl. 1, 2015, p. S437
    IAEA
    conference proceedings
    2014
    G. Azangwe, P. Grochowska, J. Izewska, Quality audits of small field output factors: a multi-centre pilot study, Abstract book of 8th European Conference of Medical Physics, Physica Medica, vol. 30, issue S1, Sept. 2014, p.16
    IAEA
    conference proceedings
    2014
    J. Izewska, G. Azangwe, P. Grochowska, A. Meghzifene, Development of quality audits for advanced technology in radiotherapy dose delivery, Abstract book of ESTRO 33, p. 688

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