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The role of dosimetry audit in lung SBRT multi-centre clinical trials
Catharine H Clark1, Coen W Hurkmans2, Stephen F Kry3
1Royal Surrey County Hospital, Guildford, UK; National Physical Laboratory, Teddington, UK; National Radiotherapy Trials QA (RTTQA) Group, Mount Vernon Hospital, Northwood, UK.
Abstract:
Stereotactic Body Radiotherapy (SBRT) in the lung is a challenging technique which requires high quality clinical trials to answer the un-resolved clinical questions. Quality assurance of these clinical trials not only ensures the safety of the treatment of the participating patients but also minimises the variation in treatment, thus allowing the lowest number of patient treatments to answer the trial question. This review addresses the role of dosimetry audits in the quality assurance process and considers what can be done to ensure the highest accuracy of dose calculation and delivery and it's assessment in multi-centre trials.