Trial reportJournal of applied clinical medical physics2016
Volumetric-modulated arc therapy using multicriteria optimization for body and extremity sarcoma.
Trial report in Journal of applied clinical medical physics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- Identification and mitigation of unexplained dose attenuation caused by sub-table water accumulation in an MR-Linac (Elekta Unity).Journal of applied clinical medical physics · 2026Article
- Dosimetric comparison of VMAT standard optimization (SO) and multi-criteria optimization (MCO) treatment plans with standard mode delivery (STD) or sliding window (SW) for head and neck cancer.Journal of applied clinical medical physics · 2023Article
- Template-based automation of treatment planning in advanced radiotherapy: a comprehensive dosimetric and clinical evaluation.Scientific reports · 2020Article
- Planning comparison of five automated treatment planning solutions for locally advanced head and neck cancer.Radiation oncology (London, England) · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study evaluates the implementation of volumetric-modulated arc therapy (VMAT) using multicriteria optimization (MCO) in the RayStation treatment planning system (TPS) for complex sites, namely extremity and body sarcoma. The VMAT-MCO algorithm implemented in RayStation is newly developed and requires an integrated, comprehensive analysis of plan generation, delivery, and treatment efficiency. Ten patients previously treated by intensity-modulated radiation therapy (IMRT) with MCO were randomly selected and replanned using VMAT-MCO. The plan quality was compared using homogeneity index (HI) and conformity index (CI) of the planning target volume (PTV) and dose sparing of organs at risk (OARs). Given the diversity of the tumor location, the 10 plans did not have a common OAR except for skin. The skin D50 and Dmean was directly compared between VMAT-MCO and IMRT-MCO. Additional OAR dose points were compared on a plan-by-plan basis. The treatment efficiency was compared using plan monitor units (MU) and net beam-on time. Plan quality assurance was performed using the Sun Nuclear ArcCHECK phantom and a gamma criteria of 3%/3 mm. No statistically significant differences were found between VMAT- and IMRT-MCO for HI and CI of the PTV or D50 and Dmean to the skin. The VMAT-MCO plans showed general improvements in sparing to OARs. The VMAT-MCO plan set showed statistically significant improvements over the IMRT-MCO set in treatment efficiency per plan MU (p < 0.05) and net beam-on time (p < 0.01). The VMAT-MCO plan deliverability was validated. Similar gamma passing rates were observed for the two modalities. This study verifies the suitability of VMAT-MCO for sarcoma cancer and highlighted the comparability in plan quality and improve-ment in treatment efficiency offered by VMAT-MCO as compared to IMRT-MCO.
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