| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Song, Yu-Chun Hu, Zhi-Hui Yan, Xue-Na Fang, Hui Tang, Yu Jing, Hao Men, Kuo Zhang, Na Zhang, Jun Jin, Jing Zhong, Qiu-Zi Ma, Jun Yang, Wei-Fang Zhong, Ya-Hua Dong, Li-Hua Wang, Xiao-Hong Wu, Hong-Fen Du, Xiang-Hui Hou, Xiao-Rong Tie, Jian Lu, Yu-Fei Zhao, Li-Na Li, Ye-Xiong Wang, Shu-Lian |
| Abstract | Purpose To report the planning benchmark case results of the POTENTIAL trial—a multicenter, randomized, phase 3 trial—to evaluate the value of internal mammary nodal (IMN) irradiation for patients with high-risk breast cancer. Methods All participating institutions were provided the outlines of one benchmark case, and they generated radiation therapy plans per protocol. The plans were evaluated by a quality assurance team, after which the institutions resubmitted their revised plans. The information on beams arrangement, skin flash, inhomogeneity corrections, and protocol compliance was assessed in the first and final submission. Results The plans from 26 institutions were analyzed. Some major deviations were found in the first submission. The protocol compliance rates of dose coverage for the planning target volume of chest wall, supraclavicular fossa plus axilla, and IMN region (PTVim) were all significantly improved in the final submission, which were 96.2% vs. 69.2%, 100% vs. 76.9%, and 88.4% vs. 53.8%, respectively. For OARs, the compliance rates of heart Dmean, left anterior descending coronary artery V40Gy, ipsilateral lung V5Gy, and stomach V5Gy were significantly improved. In the first and final submission, the mean values of PTVim V100% were 79.9% vs. 92.7%; the mean values of heart Dmean were 11.5 Gy vs. 9.7 Gy for hypofractionated radiation therapy and 11.5 Gy vs. 11.0 Gy for conventional fractionated radiation therapy, respectively. Conclusion The major deviations were corrected and protocol compliance was significantly improved after revision, which highlighted the importance of planning benchmark case to guarantee the planning quality for multicenter trials. |
| Related Links | https://ro-journal.biomedcentral.com/counter/pdf/10.1186/s13014-023-02379-1.pdf |
| Ending Page | 12 |
| Page Count | 12 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s13014-023-02379-1 |
| Journal | Radiation Oncology |
| Issue Number | 1 |
| Volume Number | 18 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2023-11-29 |
| Access Restriction | Open |
| Subject Keyword | Cancer Research Oncology Radiotherapy Imaging Radiology Breast cancer Radiation therapy Internal mammary nodal irradiation Multicenter trial Quality assurance Benchmark case |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Oncology |
| Journal Impact Factor | 3.3/2023 |
| 5-Year Journal Impact Factor | 3.6/2023 |
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