DOSIsoft, leading provider of patient-specific imaging and dosimetry software solutions for Radiation Oncology and Nuclear Medicine, is pleased to share that it has obtained 510(k) clearance from the US Food and Drug Administration (FDA) on January 18th, 2024, for the commercialization of ThinkQA (Edition 2) Secondary Dose Check. This advanced Patient Quality Assurance (QA) for External Beam Radiation Therapy (EBRT) tool offers reliable, automated, and 3D independent calculation-based dose verification, specifically crafted for both offline and online adaptive workflows.
This new technology breakthrough fulfils all key requirements, ensuring a streamlined workflow, safe patient treatments and compliance with AAPM recommendations – contributing significantly to the confidence of US medical physicists in the modern RT treatment modalities.
Compliant with AAPM ask Group 219 guidelines(1) to facilitate the fulfillment of QA requirements
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Detecting errors before the actual radiation treatment commences is a crucial aspect of the verification process for comprehensive Patient Quality Assurance. This holds particularly true for the new adaptive radiotherapy. In order to assist physicists in meeting the QA regulatory standards for the latest radiotherapy equipment and practices, ThinkQA Secondary Dose Check incorporates in its product R&D the specific recommendations outlined in AAPM Task Group 219 Report:
- Fast, simple and automated system to be used for each plan
- Fully independent algorithm and implementation: ThinkQA Secondary Dose Check uses an advanced model-based independent 3D dose calculation engine, a specifically adapted Collapsed Cone Convolution (CCC) algorithm – is compatible with both conventional and adaptive RT workflows
- 3D dose distribution comparison providing analysis with respect to specific automatic volumes (High dose, High gradient, Mean dose and Low dose) as well as 3D Gamma Passing Rates (GPR) for High Dose / High Gradient regions and PTVs
- Flexibility to define tolerance limits and action levels, such as the proposed 90% 3% - 2mm
“Speed, accuracy & simplicity” confirmed key benefits for routine TPS plan verification
CE marked and commercialized since April, 2023, the new software product has been considered as “an ideal solution for dose verification in the online adaptive workflow…” by the Hôpital Riviera-Chablais (Rennaz, Switzerland) (2), “Having a secondary dose calculation solution that is precise, fast and easy to use in the Elekta Unity online adaptive workflow has been extremely beneficial for department productivity and for our patients.” highlighted by Suisse clinic’s physicists.
