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Liu J, Tan Y, Bi Z, Huang S, Zhang N, Zhang AD, Zhao L, Wang Y, Liang Z, Hou Y, Xu X, Chen J, Wang F, Lan X, Lin X, Zhang X, Zhou W, Ye X, Guo JG, Wang X, Ding R, Chen J, Huang X. Recur Index- Guided postoperative radiotherapy with or without Avoidance of Irradiation of regional Nodes in 1-3 node-positive breast cancer (RIGAIN): a study protocol for a multicentre, open-label, randomised controlled prospective, phase III trial. BMJ Open 2024; 14:e078049. [PMID: 39079921 PMCID: PMC11293409 DOI: 10.1136/bmjopen-2023-078049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 05/29/2024] [Indexed: 08/03/2024] Open
Abstract
INTRODUCTION Postoperative radiotherapy in patients with breast cancer with one to three lymph node metastases, particularly within the pT1-2N1M0 cohort with a low clinical risk of local-regional recurrence (LRR), has incited a discourse surrounding personalised treatment strategies. Multigene testing for Recurrence Index (RecurIndex) model capably differentiates patients based on their level of LRR risk. This research aims to validate whether a more aggressive treatment approach can enhance clinical outcomes in N1 patients who possess a clinically low risk of LRR, yet a high RecurIndex-determined risk of LRR. Specifically, this entails postoperative whole breast irradiation combined with regional lymph node irradiation (RNI) following breast-conserving surgery or chest wall irradiation with RNI after mastectomy. METHODS AND ANALYSIS The RIGAIN (RecurIndex-Guided postoperative radiotherapy with or without Avoidance of Irradiation of regional Nodes in 1-3 node-positive breast cancer) Study is a multicentre, prospective, randomised, open-label, phase III clinical trial that is being conducted in China. In this study, patients with low clinical LRR risk but high RecurIndex-LRR risk are randomly assigned in a 1:1 ratio to the experimental group or the control group. In the experimental group, RNI is performed and the control group omits RNI. Efficacy and safety analyses will be conducted, enrolling a total of 540 patients (270 per group). The primary endpoint is invasive disease-free survival, and secondary endpoints include any first recurrence, LRR-free survival, distant metastasis-free survival, recurrence-free survival, overall survival, disease-free survival, breast cancer-specific mortality and assessment of patient quality of life. The study began in April 2023 and with a follow-up period of 60 months after the last participant completes radiation therapy. ETHICS AND DISSEMINATION The study was approved by the Ethics Committee of Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University (SYSKY-2022-097-02, V.3.1). It adheres to the Helsinki Declaration and Good Clinical Practice. Research findings will be submitted for publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT04069884.
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Affiliation(s)
- Jing Liu
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yuting Tan
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Zhuofei Bi
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Suning Huang
- Department of Radiotherapy, Guangxi Medical University Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Na Zhang
- Department of Radiation Oncology, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, China
| | - An-du Zhang
- Department of Radiation Oncology, The fourth hospital of hebei medical university, Shijiazhuang, Hebei, China
| | - Lina Zhao
- Department of Radiation Oncology, Xijing Hospital, Xian, Shaanxi, China
| | - Yu Wang
- Department of Radiation Oncology, Shanxi Provincial Cancer Hospital, Taiyuan, Shanxi, China
| | - Zibin Liang
- Department of Thoracic Oncology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Yu Hou
- Department of Radiation Oncology, Peking University Cancer Hospital Yunnan / Yunnan Cancer Hospital / The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Xiangying Xu
- Department of Radiation Oncology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jianying Chen
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Fei Wang
- State Key Laboratory of Neurology and Oncology Drug Development, Jiangsu Simcere Pharmaceutical Research Company, Nanjing, Jiangsu, China
| | - Xiaowen Lan
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiao Lin
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiaoxue Zhang
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Wenyi Zhou
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xuting Ye
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jian-gui Guo
- Department of Breast Oncology, The First People’s Hospital of Foshan, Foshan, Guangdong, China
| | - Xiaohong Wang
- The sixth department of chemoradiotherapy, Tangshan People's Hospital, Tangshan, Hebei, China
| | - Ran Ding
- State Key Laboratory of Neurology and Oncology Drug Development, Jiangsu Simcere Pharmaceutical Research Company, Nanjing, Jiangsu, China
| | - Jiayi Chen
- Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiaobo Huang
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
- Department of Radiotherapy for Breast Tumor, Yat-Sen Breast Tumor Hospital, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
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Qi WX, Cao L, Zheng S, Xu C, Cai R, Xu H, Cai G, Chen J. IMNI PRECISION trial protocol: a phase II, open-label, non-inferior randomized controlled trial of tailoring omission of internal mammary node irradiation for early-stage breast cancer. BMC Cancer 2022; 22:1356. [PMID: 36575421 PMCID: PMC9795778 DOI: 10.1186/s12885-022-10454-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 12/15/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Since the publication of MA-20 and EORTC-22922 trials, chest wall (CW)/ whole breast (WB) irradiation + comprehensive regional nodal irradiation (RNI) with internal mammary node irradiation (IMNI) has been the standard adjuvant treatment for early-stage breast cancer (BC). However, one size does not fit all BC, and the risk of recurrence significantly varies among this patient population. In addition, whether all BC patients presented with one to three positive lymph nodes (pN1) could benefit from IMNI remains controversial. Thus, the optimal adjuvant RNI volume for early-stage BC with T1-2N1 remains undetermined. METHODS The IMNI PRECISION trial is a single institute, open-labeled, non-inferior, randomized controlled trial. A total of 214 clinically "high risk" BC patients which is characterized as having at least two of the five clinically adverse factors (age ≤ 40, three positive LN, T2 stage, grade 3 and Ki-67 index ≥ 14%), but genomic score "low risk" (the genomic score ≤ 44) N1 breast cancers are randomly assigned to omitting IMNI group (experimental group) or with IMNI (control group) with a 1:1 ratio. The primary endpoint of this trial is event-free survival, and secondary endpoints include overall survival and locoregional recurrence-free survival. DISCUSSION The IMNI PRECISION design allows promising clinical-genomic model to stratify the individualized risk of developing recurrence and guides the optimal RNI treatment for early-stage (pT1-2N1) BC patients. We anticipate that our results would provide high-level evidence to tailor IMNI according to individualized recurrence risk of BC. TRIAL REGISTRATION ClinicalTrials.gov Identifier NCT04517266 . Date of registration: August 18, 2020. Status: Recruiting.
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Affiliation(s)
- Wei-Xiang Qi
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lu Cao
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Siyue Zheng
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Cheng Xu
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Rong Cai
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Haoping Xu
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Gang Cai
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jiayi Chen
- grid.412277.50000 0004 1760 6738Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Van der Vorst A, Kindts I, Laenen A, Neven P, Janssen H, Weltens C. Validation of a prognostic scoring system for postmastectomy locoregional recurrence in breast cancer. Breast 2022; 64:29-34. [PMID: 35468477 PMCID: PMC9059150 DOI: 10.1016/j.breast.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/26/2022] [Accepted: 04/13/2022] [Indexed: 11/20/2022] Open
Abstract
Background To date, it remains unclear which patients with breast cancer (BC) benefit from post-mastectomy radiotherapy (PMRT). Cheng et al. developed and validated a scoring system based on 4 prognostic factors for locoregional recurrence (LRR) to identify patients in need for PMRT. These factors include age, estrogen receptor status, lymphovascular status and number of affected axillary lymph nodes. Purpose To validate the scoring system for LRR in BC developed by Cheng et al. by using an independent BC database. Methods and materials We retrospectively identified 1989 BC cases, treated with mastectomy (ME) with or without PMRT at the University Hospitals Leuven between 2000 and 2007. The primary endpoint was 5-year locoregional control rate with and without PMRT, according to the LRR score. Results Median follow-up time was 11.4 years. After excluding patients with missing variables 1103 patients were classified using the LRR scoring system: 688 (62.38%) patients were at low risk of recurrence (LRR score 0–1), 335 (30.37%) patients were at intermediate risk of recurrence (LRR score 2–3) and 80 (7.25%) patients were at high risk of recurrence (LRR score ≥4). 5-year locoregional control rates with and without PMRT were 99.20% versus 99.21% (p = 0.43) in the low-risk group; 98.24% versus 85.74% (p < 0.0001) in the intermediate-risk group and 96.87% versus 85.71% (p = 0.10) in the high-risk group respectively. Conclusion Our validation of the LRR scoring system suggests it can be used to point out patients that would benefit from PMRT. We recommend further validation of this scoring system by other independent institutions before application in clinical practice. Post-mastectomy radiotherapy. Scoring system by Cheng et al. Based on 4 factors. Age, estrogen receptor, lymphovascular status, affected axillary lymph nodes. Intermediate and high-risk patients could benefit from post-mastectomy radiotherapy.
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Affiliation(s)
- Aline Van der Vorst
- UZ Leuven, Department of Radiation Oncology, Herestraat 49, 3000, Leuven, Belgium.
| | - Isabelle Kindts
- AZ Groeninge, Department of Radiation Oncology, President Kennedylaan 4, 8500, Kortrijk, Belgium.
| | - Annouschka Laenen
- UZ Leuven, Department of Biostatistics and Statistical Bioinformatics, Herestraat 49, 3000, Leuven, Belgium.
| | - Patrick Neven
- UZ Leuven, Department of Gynaecology, Herestraat 49, 3000, Leuven, Belgium.
| | - Hilde Janssen
- UZ Leuven, Department of Radiation Oncology, Herestraat 49, 3000, Leuven, Belgium.
| | - Caroline Weltens
- UZ Leuven, Department of Radiation Oncology, Herestraat 49, 3000, Leuven, Belgium.
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Chen K, Wu J, Fang Z, Shao X, Wang X. The Clinical Research and Latest Application of Genomic Assays in Early-Stage Breast Cancer. Technol Cancer Res Treat 2022; 21:15330338221117402. [PMID: 36976899 PMCID: PMC9486269 DOI: 10.1177/15330338221117402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Breast cancer is a kind of malignant tumor that seriously endangers women's life
and health. Once diagnosed, most patients will receive a combination of
treatments to achieve a cure. However, breast cancer is a heterogeneous disease.
Even with the same clinical stage and pathological features, its response to
treatment and postoperative recurrence risk may still be completely different.
With the advent of genomic assay, some patients with early-stage breast cancer
who originally needed treatment can still achieve long-term disease-free
survival without adjuvant chemotherapy, so as to achieve personalized and
accurate treatment mode to a certain extent. In this paper, we reviewed the 5
most widely used and studied genomic panel technologies in breast cancer, namely
Oncotype DX, MammaPrint,
RecurIndex, PAM50, and
EndoPredict, according to accessibility and availability.
Based on the results of the completed or ongoing clinical studies, we summarized
the origin, applicable population, and clinical efficacy of each detection
method, and discussed the potential development prospect of detection technology
in the future.
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Affiliation(s)
- Keyu Chen
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
| | - Jiayi Wu
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
| | - Ziru Fang
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
| | - Xiying Shao
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
| | - Xiaojia Wang
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
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Systematic quantitative evaluation of Plan-IQ for intensity-modulated radiation therapy after modified radical mastectomy. Sci Rep 2021; 11:21879. [PMID: 34750457 PMCID: PMC8575920 DOI: 10.1038/s41598-021-01305-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 10/19/2021] [Indexed: 12/02/2022] Open
Abstract
Radiotherapy (RT) is one of the main treatment strategies of breast cancer. It is challenging to design RT plans that can completely cover the target area while protecting organs at risk (OAR). The Plan-IQ feasibility tool can estimate the best sparing dose of OAR before optimizing the Plan. A systematic quantitative evaluation of the quality change of intensity-modulated radiation therapy (IMRT) using the Plan-IQ feasibility tool was performed for modified radical mastectomy in this study. We selected 50 patients with breast cancer treated with IMRT. All patients received the same dose in the planning target volume (PTV). The plans are categorized into two groups, with each patient having one plan in each group: the clinically accepted normal plan group (NP group) and the repeat plan group (RP group). An automated planning strategy was generated using a Plan-IQ feasibility dose volume histogram (FDVH) in RP group. These plans were assessed according to the dosimetry parameters. A detailed scoring strategy was based on the RTOG9804 report and 2018 National Comprehensive Cancer Network guidelines, combined with clinical experience. PTV coverage in both groups was achieved at 100% of the prescribed dose. Except for the thyroid coverage, the dose limit of organs at risk (OAR) in RP group was significantly better than that in NP group. In the scoring analysis, the total scores of RP group decreased compared to that of NP group (P < 0.05), and the individual scores of PTV and OAR significantly changed. PTV scores in RP group decreased (P < 0.01); however, OAR scores improved (P < 0.01). The Plan-IQ FDVH was useful for evaluating a class solution for IMRT planning. Plan-IQ can automatically help physicians design the best OAR protection plan, which sacrifices part of PTV, but still meets clinical requirements.
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A new clinical-genomic model to predict 10-year recurrence risk in primary operable breast cancer patients. Sci Rep 2020; 10:4861. [PMID: 32184406 PMCID: PMC7078190 DOI: 10.1038/s41598-020-61535-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 02/28/2020] [Indexed: 11/17/2022] Open
Abstract
This study aimed to validate the long-term prognostic value of a new clinical-genomic model, Distant Genetic Model-Clinical Variable Model 6 (DGM-CM6), developed in Asia as a prognostic panel for all subtypes of breast cancer. We included 752 operable stage I–III breast cancer patients representing all subtypes treated from 2005 to 2014 as the validation cohort. The median follow-up was 95.8 months. The low- and high-risk patients classified by DGM-CM6 (RI-DR) had significant differences in 10-year distant recurrence-free interval (DRFI) (94.1% vs. 85.0%, P < 0.0001) and relapse-free survival (RFS) (90.0% vs. 80.5%, P = 0.0003). External validation using EMTAB-365 dataset showed similar observation (P < 0.0001). DGM-CM6 was an independent prognostic factor by multivariate analysis with hazard ratios of 3.1 (1.6–6.0) for RFS (P = 0.0009) and 3.8 (1.6–9.0) for DRFI (P = 0.0028). Comparing the C-index of DGM-CM6 and PAM50-ROR scores, the former performed better than the latter in predicting long-term DRFI and RFS, especially in N0, ER/PR-positive, and HER2-negative patients.
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Clinical-Genomic Models of Node-Positive Breast Cancer: Training, Testing, and Validation. Int J Radiat Oncol Biol Phys 2019; 105:637-648. [DOI: 10.1016/j.ijrobp.2019.06.2546] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/21/2019] [Accepted: 06/29/2019] [Indexed: 11/18/2022]
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Harahap WA, Nindrea RD. Prognostic Factors of Local-Regional Recurrence in Patients with Operable Breast Cancer in Asia: A Meta-Analysis. Open Access Maced J Med Sci 2019; 7:690-695. [PMID: 30894935 PMCID: PMC6420926 DOI: 10.3889/oamjms.2019.151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/03/2019] [Accepted: 02/07/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Cause of recurrence of breast cancer is multifactorial. Also, the occurrence of breast cancer in Asian patients has some different factors from the recurrence of breast cancer in western countries. AIM This study aims to determine the prognostic factors of local-regional recurrence in patients with operable breast cancer in Asia. METHODS The authors conducted a meta-analysis of published research articles published in an online database of PubMed, ProQuest and EBSCO between January 2000 and July 2018. Pooled risk ratios (RR) were calculated using fixed and random-effect models. Data were processed by using Review Manager 5.3 (RevMan 5.3). RESULTS This study reviewed 879 articles. There were 11 studies conducted a systematic review then continued by meta-analysis of relevant data with total patients involved were 5,213 patients. The prognostic factors found of local-regional recurrence in patients with operable breast cancer were Nodal (N) stage with the highest risk ratio (RR = 6.35 [95% CI 3.78-10.67]) followed by HER2 positive (RR = 2.14 [95% CI 1.16-3.97]), stage of cancer (RR = 1.82 [95% CI 1.44-2.31]), tumor size (RR = 1.55 [95% CI 1.04-2.31]), tumor grade (RR = 1.43 [95% CI 1.23-1.65]), PR status (RR = 0.65 [95% CI 0.48-0.88]) and the least was ER status (RR = 0.60 [95% CI 0.39-0.91]). Homogeneity of variance was found in N stage, tumor size and tumor grade for recurrence of operable breast cancer. CONCLUSION This meta-analysis confirmed the correlation of N stage, HER2, stage of cancer, tumour size, tumour grade, ER and PR status with recurrence in patients with operable breast cancer in Asia.
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Affiliation(s)
- Wirsma Arif Harahap
- Surgical Oncology Division, Faculty of Medicine, Universitas Andalas, Dr M Djamil, General Hospital Padang, West Sumatera Province, Indonesia
| | - Ricvan Dana Nindrea
- Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta City, Indonesia.,Department of Public Health, Faculty of Medicine, Universitas Andalas, Padang City, Indonesia
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Trignani M, DI Carlo C, Cefalogli C, Nuzzo M, Ursini LA, Caravatta L, Perrotti F, DI Nicola M, Pamio A, Genovesi D. Outcomes in Patients with pT1-T2, pN0-N1 Breast Cancer After Conservative Surgery and Whole-breast Radiotherapy. ACTA ACUST UNITED AC 2017; 31:151-158. [PMID: 28064235 DOI: 10.21873/invivo.11039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 12/09/2016] [Accepted: 12/21/2016] [Indexed: 11/10/2022]
Abstract
AIM To evaluate locoregional recurrence, overall survival, disease-free survival and prognostic influence of the number of positive lymph nodes and other variables in breast cancer treatment. PATIENTS AND METHODS A total of 377 patients with pT1-T2, pN0-N1 invasive breast carcinoma treated from 2005 to 2013 were retrospectively evaluated. Patients underwent conservative surgery followed by whole-breast radiotherapy. Clavicular region irradiation was not performed. RESULTS With a median follow-up of 4 years, locoregional recurrence rate was 3.4% (nodal recurrence=1.06%). Expression of progesterone receptors was significantly associated with better disease-free survival, tumor size (T>2 cm) with poorer disease-free survival, locoregional recurrence and poorer overall survival; the presence of three nodal metastases was related to significantly poorer overall survival (p=0.024). CONCLUSION Whole-breast adjuvant radiotherapy without nodal irradiation after breast-conserving surgery led to low rate of locoregional recurrence and high rates of overall survival and disease-free survival in patients with pT1-T2 pN0-N1 breast cancer.
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Affiliation(s)
- Marianna Trignani
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Clelia DI Carlo
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Carmen Cefalogli
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Marianna Nuzzo
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Lucia Anna Ursini
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Luciana Caravatta
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Francesca Perrotti
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Marta DI Nicola
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Ambra Pamio
- Division of Hygene, Epidemiology and Public Health, Department of Medicine and Science of Aging, G. D'Annunzio University of Chieti, Chieti, Italy
| | - Domenico Genovesi
- Department of Radiation Oncology, SS. Annunziata Hospital, G. D'Annunzio University of Chieti, Chieti, Italy
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Lai SF, Chen YH, Kuo WH, Lien HC, Wang MY, Lu YS, Lo C, Kuo SH, Cheng AL, Huang CS. Locoregional Recurrence Risk for Postmastectomy Breast Cancer Patients With T1–2 and One to Three Positive Lymph Nodes Receiving Modern Systemic Treatment Without Radiotherapy. Ann Surg Oncol 2016; 23:3860-3869. [DOI: 10.1245/s10434-016-5435-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
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Brown LC, Mutter RW, Halyard MY. Benefits, risks, and safety of external beam radiation therapy for breast cancer. Int J Womens Health 2015; 7:449-58. [PMID: 25977608 PMCID: PMC4418389 DOI: 10.2147/ijwh.s55552] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Breast cancer is a common and complex disease often necessitating multimodality care. Breast cancer may be treated with surgical resection, radiotherapy (RT), and systemic therapy, including chemotherapy, hormonal therapy, and targeted therapies, or a combination thereof. In the past 50 years, RT has played an increasingly significant role in the treatment of breast cancer, resulting in improvements in locoregional control and survival for women undergoing mastectomy who are at high risk of recurrence, and allowing for breast conservation in certain settings. Although radiation provides significant benefit to many women with breast cancer, it is also associated with risks of toxicity, including cardiac and pulmonary toxicity, lymphedema, and secondary malignancy. RT techniques have advanced and continue to evolve dramatically, offering increased precision and reproducibility of treatment delivery and flexibility of treatment schedule. This increased sophistication of RT offers promise of improved outcomes by maintaining or improving efficacy, reducing toxicity, and increasing patient access and convenience. A review of the role of radiation therapy in breast cancer, its associated toxicities and efforts in toxicity reduction is presented.
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Affiliation(s)
- Lindsay C Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
| | - Robert W Mutter
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
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Drinka E, Allen P, McBride A, Buchholz T, Sahin A. Metastatic Tumor Volume and Extranodal Tumor Extension: Clinical Significance in Patients With Stage II Breast Cancer. Arch Pathol Lab Med 2015; 139:1288-94. [PMID: 25768237 DOI: 10.5858/arpa.2014-0375-oa] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CONTEXT Lymph node status and the number of lymph node (LN) positive for cancer cells are the most important prognostic factors in breast cancer. Extranodal tumor extension (ENTE) has been used as a histopathologic feature to classify patients into high risk versus low risk for local recurrence. However, in the current era of early detection and systemic therapy, the prognostic significance of ENTE is not as well defined in patients with 1 to 3 LNs positive for cancer. OBJECTIVE To determine whether the amount of tumor burden in an axillary dissection or the presence of ENTE provides any additional information regarding patient outcome in patents with 1 to 3 positive LN results. DESIGN Clinical and pathologic factors were identified for 456 patients with breast cancer at the University of Texas MD Anderson Cancer Center, Houston, who had pT1 tumors and 1 to 3 LNs positive for cancer and were treated by mastectomy, with or without postmastectomy radiotherapy, between 1978 and 2007. RESULTS Of the 456 patients, 257 (56.4%), 141 (31.6%), and 58 (12.7%) patients had 1, 2, or 3 positive LN results, respectively. Extranodal tumor extension was present in 99 patients (21.7%) and was absent in the remaining 357 cases (78.3%). Seventy-six patients (16.7%) received radiation therapy. Patients had both worse overall survival time and disease-free survival when ENTE was present, regardless of the amount, as long as the treatment era was not included in the multivariate analysis (pre-2000 versus post-2000). However, ENTE was no longer significant on multivariate analysis when the year of treatment was taken into account. CONCLUSIONS The number of positive LNs remains an important predictor of survival in patients with 1 to 3 positive LN results, but the prognostic significance of ENTE in this cohort of patients has diminished over time.
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Affiliation(s)
- Eva Drinka
- From the Departments of Pathology (Drs Drinka and Sahin), Radiation Oncology (Drs Allen and Buchholz), and the Office of Executive Vice President and Physician-in-Chief (Dr Buchholz), University of Texas MD Anderson Cancer Center, Houston; and the Department of Radiation Oncology, University of Arizona School of Medicine, Phoenix (Dr McBride)
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Wenz F, Sperk E, Budach W, Dunst J, Feyer P, Fietkau R, Haase W, Harms W, Piroth MD, Sautter-Bihl ML, Sedlmayer F, Souchon R, Fussl C, Sauer R. DEGRO practical guidelines for radiotherapy of breast cancer IV: radiotherapy following mastectomy for invasive breast cancer. Strahlenther Onkol 2014; 190:705-14. [PMID: 24888511 DOI: 10.1007/s00066-014-0687-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND PURPOSE Since the last recommendations from the Breast Cancer Expert Panel of the German Society for Radiation Oncology (DEGRO) in 2008, evidence for the effectiveness of postmastectomy radiotherapy (PMRT) has grown. This growth is based on updates of the national S3 and international guidelines, as well as on new data and meta-analyses. New aspects were considered when updating the DEGRO recommendations. METHODS The authors performed a comprehensive survey of the literature. Data from recently published (meta-)analyses, randomized clinical trials and international cancer societies' guidelines yielding new aspects compared to 2008 were reviewed and discussed. New aspects were included in the current guidelines. Specific issues relating to particular PMRT constellations, such as the presence of risk factors (lymphovascular invasion, blood vessel invasion, positive lymph node ratio >20 %, resection margins <3 mm, G3 grading, young age/premenopausal status, extracapsular invasion, negative hormone receptor status, invasive lobular cancer, size >2 cm or a combination of ≥ 2 risk factors) and 1-3 positive lymph nodes are emphasized. RESULTS The evidence for improved overall survival and local control following PMRT for T4 tumors, positive resection margins, >3 positive lymph nodes and in T3 N0 patients with risk factors such as lymphovascular invasion, G3 grading, close margins, and young age has increased. Recently identified risk factors such as invasive lobular subtype and negative hormone receptor status were included. For patients with 1-3 positive lymph nodes, the recommendation for PMRT has reached the 1a level of evidence. CONCLUSION PMRT is mandatory in patients with T4 tumors and/or positive lymph nodes and/or positive resection margins. PMRT should be strongly considered in patients with T3 N0 tumors and risk factors, particularly when two or more risk factors are present.
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Affiliation(s)
- Frederik Wenz
- Klinik für Strahlentherapie und Radioonkologie, Universitätsmedizin Mannheim, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany,
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Lu C, Xu H, Chen X, Tong Z, Liu X, Jia Y. Irradiation after surgery for breast cancer patients with primary tumours and one to three positive axillary lymph nodes: yes or no? ACTA ACUST UNITED AC 2013; 20:e585-92. [PMID: 24311960 DOI: 10.3747/co.20.1540] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE AND METHODS We retrospectively analyzed clinicopathologic features and survival in breast cancer patients who had T1 or T2 primary tumours and 1-3 histologically involved axillary lymph nodes and who were treated with modified radical mastectomy without adjuvant radiotherapy (rt). We also explored prognosis to find the high- and low-risk groups. RESULTS From May 2001 to April 2005, 368 patients treated at Tianjin Tumor Hospital met the study criteria. The 5- and 8-year rates were 7.2% and 10.7% for locoregional recurrence (lrr), 85.1% and 77.7% for disease-free survival (dfs), and 92.8% and 89.3% for overall survival (os). Multivariate Cox regression analysis showed that age, tumour size, estrogen receptor (er) status, and lymphovascular invasion (lvi) were independent prognostic factors for lrr and dfs. Based on 4 patient-related factors that indicate poor prognosis (age < 40 years, tumour > 3 cm, er negativity, and lvi), the high-risk group (patients with 3 or 4 factors, accounting for 12.5% of the cohort) had 5- and 8-year rates of 24.3% and 36.9% for lrr, 57.2% and 39.2% for dfs, and 74.8% and 43.8% for os compared with 5.0% and 7.1% for lrr, 88.9% and 83.1% for dfs, 91.6% and 83.4% for os in the low-risk group (patients with 0-2 factors, accounting for 87.5% of the cohort; p < 0.001). CONCLUSIONS Our study identified several risk factors that correlated independently with a greater incidence of lrr and distant metastasis in patients with T1 and T2 breast cancer and 1-3 positive nodes. Patients with 0-2 risk factors may not be likely to benefit from post-mastectomy rt, but patients with 3-4 risk factors may need rt to optimize locoregional control and improve survival.
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Affiliation(s)
- C Lu
- Department of Breast Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, PR China
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