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Correction: Real world clinical experience using daily intelligence-assisted online adaptive radiotherapy for head and neck cancer
Radiation Oncology volume 19, Article number: 57 (2024)
The Original Article was published on 30 March 2024
Correction: Radiat Oncol 19, 43 (2024)
In this article [1] the abstract was omitted due to a typesetting error and should have appeared as below:
Abstract
Background
Adaptive radiation therapy (ART) offers a dynamic approach to address structural and spatial changes that occur during radiotherapy (RT) for locally advanced head and neck cancers. The integration of daily ART with Cone-Beam CT (CBCT) imaging presents a solution to enhance the therapeutic ratio by addressing inter-fractional changes.
Methods
We evaluated the initial clinical experience of daily ART for patients with head and neck cancer using an online adaptive platform with intelligence-assisted workflows on daily CBCT. Treatment included auto-contour and structure deformation of Organs at Risk (OARs) and target structures, with adjustments by the treating physician. Two plans were generated: one based on the initial CT simulation with the edited structures (scheduled) and a re-optimized plan (adaptive). Both plans were evaluated and the superior one approved and delivered. Clinical and dosimetric outcomes were reviewed.
Results
Twenty two patients with head and neck cancers (7 Nasopharynx, 6 Oropharynx, 1 oral cavity, 8 larynx) stages I-IVA were treated with daily ART. 770 adaptive and scheduled radiotherapy plans were generated. 703 (91.3%) adaptive plans were chosen. Median time to deliver ART was 20 min (range: 18–23). Adaptive compared to scheduled plans demonstrated improved mean V95 values for the PTV70, PTV59.5, and PTV56 by 1.2%, 7.2%, and 6.0% respectively and a mean 1.4% lower maximum dose in PTV70. Fourteen of 17 OARs demonstrated improved dosimetry with adaptation, with select OARs reaching statistical significance. At a median follow up of 14.1 months, local control was 95.5%, two patients developed metastatic disease and four patients died. 9.1% of patients had acute grade 3 dysphagia and 13.6% had grade 2 chronic xerostomia.
Discussion
These findings provide real world evidence of the feasibility and dosimetric benefit of incorporating daily ART on CBCT in the treatment of head and neck cancer. Prospective study is needed to determine if these dosimetric improvements translate into improved outcomes.
The original article has been updated.
References
Blumenfeld P, Arbit E, Den R, et al. Real world clinical experience using daily intelligence-assisted online adaptive radiotherapy for head and neck cancer. Radiat Oncol. 2024;19:43. https://doi.org/10.1186/s13014-024-02436-3
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The online version of the original article can be found at https://doi.org/10.1186/s13014-024-02436-3.
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Blumenfeld, P., Arbit, E., Den, R. et al. Correction: Real world clinical experience using daily intelligence-assisted online adaptive radiotherapy for head and neck cancer. Radiat Oncol 19, 57 (2024). https://doi.org/10.1186/s13014-024-02441-6
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DOI: https://doi.org/10.1186/s13014-024-02441-6