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Amarnath SR. The Role of Intraoperative Radiotherapy Treatment of Locally Advanced Rectal Cancer. Clin Colon Rectal Surg 2024; 37:239-247. [PMID: 38882939 PMCID: PMC11178387 DOI: 10.1055/s-0043-1770718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Intraoperative radiation therapy (IORT) has been used in the treatment of locally advanced and recurrent rectal cancers for the last several decades. Given the heterogeneity of patients treated and different indications for use and dosing at different institutions, it has been difficult to discern if IORT adds any appreciable benefit to standard of care therapies. Herein, the rationale for IORT in rectal cancer is discussed along with the most modern and best available data in 2023. IORT is likely indicated in patients with locally advanced and locally recurrent rectal cancer with threatened margins (R0 or R1 resection) to help improve local control. High-quality imaging and multidisciplinary discussion are necessary to ensure optimal patient selection. Appropriate counseling of the patient and excellent team communication are of the utmost importance given the challenging nature of these cases and the prognostic implications of R1 and R2 resections in this patient population.
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Affiliation(s)
- Sudha R Amarnath
- Department of Radiation Oncology, Cleveland Clinic Foundation, Cleveland, Ohio
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2
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Type of recurrence is associated with disease-free survival after salvage surgery for locally recurrent rectal cancer. Int J Colorectal Dis 2021; 36:2603-2611. [PMID: 34296325 PMCID: PMC8923354 DOI: 10.1007/s00384-021-03998-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/14/2021] [Indexed: 02/04/2023]
Abstract
PURPOSE To compare the characteristics and outcomes of rectal cancer patients with local recurrence at a perianastomotic site (PA), a surgical field (SF) site, or in lateral lymph nodes (LLN). METHODS A total of 114 consecutive patients who underwent surgery for recurrent, non-metastatic rectal cancer at a single comprehensive cancer center between 1997 and 2012 were grouped on the basis of radiographic assessment of type of recurrence: PA, 76 (67%) patients; SF, 25 (22%) patients; LLN, 13 (11%) patients. Demographic, clinical, and pathological features were compared between the three groups, as were disease-free survival (DFS) and overall survival (OS). RESULTS Recurrence type was associated with positive circumferential margin in the primary resection (PA, 4 [6%]; SF, 4 [19%]; LLN, 3 [25%]; P = 0.027), prior neoadjuvant therapy for the primary tumor (PA, 57 [75%]; SF, 18 [72%]; LLN, 4 [31%]; P = 0.007), and location of the primary tumor in the upper rectum (PA, 33 [45%]; SF, 5 [23%]; LLN, 1 [8%]; P < 0.001). Patients with PA had longer median DFS (PA, 5.1 years; SF, 1.5 years; LLN, 1.2 years; P = 0.036). There was a non-significant trend toward longer OS and higher rates of R0 resection for PA. CONCLUSION Type of recurrence after salvage surgery for locally recurrent rectal cancer is associated with longer DFS in patients with PA recurrence.
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Wang H, Peng R, Li X, Wang Y, Jiang Y, Ji Z, Guo F, Tian S, Sun H, Fan J, Wang J. The dosimetry evaluation of 3D printing non-coplanar template-assisted CT-guided 125I seed stereotactic ablation brachytherapy for pelvic recurrent rectal cancer after external beam radiotherapy. JOURNAL OF RADIATION RESEARCH 2021; 62:473-482. [PMID: 33616168 PMCID: PMC8127672 DOI: 10.1093/jrr/rraa144] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/14/2020] [Indexed: 06/12/2023]
Abstract
The aim of this study was to investigate the safety and accuracy of computed tomography (CT)-guided 125I seed implantation assisted by a three-dimensional printing non-coplanar template (3D-PNCT) for treating pelvic locally recurrent rectal cancer (LRRC) patients. A total of 13 patients with 18 masses received 125I seed implantation. The dosimetric parameters of pre-implantation and post-implantation were calculated to evaluate the quality of 125I seed implantation. Doses delivered to the organs at risk (OAR) were also calculated. Differences between pre-implantation and post-implantation were compared by the paired t-test. The mean number of 125I seeds pre-implantation and post-implantation was 67.1 and 68.8, respectively. The mean values of D90 (dose that was delivered to 90% of the target volume), D100 (dose that was delivered to 100% of the target volume), V100 (the target volume receiving 100% of the prescription dose) and V150 (the target volume receiving 150% of the prescription dose) pre-implantation and post-implantation were 136.6 and 135.2 Gy, 63.5 and 71.0 Gy, 90.3% and 90.3% and 62.1% and 62.2%, respectively. Dosimetric outcomes were evaluated quantitatively using the dose volume indices, i.e. coverage index (CI), external volume index (EI) and relative dose homogeneity index (HI). The mean values of those indices pre-implantation and post-implantation were 0.62 and 0.61, 0.31 and 0.33, and 0.31 and 0.31, respectively. The mean doses delivered to OAR pre-implantation and post-implantation for the bladder (D2cc) and bowel (D2cc) were 33.4 and 34.4 Gy, and 58.6 and 61.8 Gy, respectively. The parameters mentioned above fitted well, and no significant difference was found among them. It is concluded that CT-guided 125I seed implantation assisted by 3D-PNCT could be a safe and accurate salvage modality for treating LRRC patients; the ideal pre-prescription dose could be achieved. Also, addition of 3D-PNCT could minimize radiation damage to the surrounding normal tissues.
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Affiliation(s)
- Hao Wang
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Ran Peng
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Xuemin Li
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Yuxia Wang
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Yuliang Jiang
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Zhe Ji
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Fuxin Guo
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Suqing Tian
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Haitao Sun
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Jinghong Fan
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
| | - Junjie Wang
- Department of Radiation Oncology, Peking University Third Hospital, 49th Huayuan North Street, Haidian District, Beijing, China, 100191
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Dijkstra EA, Mul VEM, Hemmer PHJ, Havenga K, Hospers GAP, Kats-Ugurlu G, Beukema JC, Berveling MJ, El Moumni M, Muijs CT, van Etten B. Clinical selection strategy for and evaluation of intra-operative brachytherapy in patients with locally advanced and recurrent rectal cancer. Radiother Oncol 2021; 159:91-97. [PMID: 33741470 DOI: 10.1016/j.radonc.2021.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND PURPOSE A radical resection of locally advanced rectal cancer (LARC) or recurrent rectal cancer (RRC) can be challenging. In case of increased risk of an R1 resection, intra-operative brachytherapy (IOBT) can be applied. We evaluated the clinical selection strategy for IOBT. MATERIALS AND METHODS Between February 2007 and May 2018, 132 LARC/RRC patients who were scheduled for surgery with IOBT standby, were evaluated. By intra-operative inspection of the resection margin and MR imaging, it was determined whether a resection was presumed to be radical. Frozen sections were taken on indication. In case of a suspected R1 resection, IOBT (1 × 10 Gy) was applied. Histopathologic evaluation, treatment and toxicity data were collected from medical records. RESULTS Tumour was resected in 122 patients. IOBT was given in 42 patients of whom 54.8% (n = 23) had a histopathologically proven R1 resection. Of the 76 IOBT-omitted R0 resected patients, 17.1% (n = 13) had a histopathologically proven R1 resection. In 4 IOBT-omitted patients, a clinical R1/2 resection was seen. In total, correct clinical judgement occurred in 72.6% (n = 88) of patients. In LARC, 58.3% (n = 14) of patients were overtreated (R0, with IOBT) and 10.9% (n = 5) were undertreated (R1, without IOBT). In RRC, 26.5% (n = 9) of patients were undertreated. CONCLUSION In total, correct clinical judgement occurred in 72.6% (n = 88). However, in 26.5% (n = 9) RRC patients, IOBT was unjustifiedly omitted. IOBT is accompanied by comparable and acceptable toxicity. Therefore, we recommend IOBT to all RRC patients at risk of an R1 resection as their salvage treatment.
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Affiliation(s)
- Esmée A Dijkstra
- University of Groningen, University Medical Centre Groningen, Department of Medical Oncology, the Netherlands
| | - Véronique E M Mul
- University of Groningen, University Medical Centre Groningen, Department of Radiation Oncology, the Netherlands
| | - Patrick H J Hemmer
- University of Groningen, University Medical Centre Groningen, Department of Surgery, the Netherlands
| | - Klaas Havenga
- University of Groningen, University Medical Centre Groningen, Department of Surgery, the Netherlands
| | - Geke A P Hospers
- University of Groningen, University Medical Centre Groningen, Department of Medical Oncology, the Netherlands
| | - Gursah Kats-Ugurlu
- University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, the Netherlands
| | - Jannet C Beukema
- University of Groningen, University Medical Centre Groningen, Department of Radiation Oncology, the Netherlands
| | - Maaike J Berveling
- University of Groningen, University Medical Centre Groningen, Department of Radiation Oncology, the Netherlands
| | - Mostafa El Moumni
- University of Groningen, University Medical Centre Groningen, Department of Surgery, the Netherlands
| | - Christina T Muijs
- University of Groningen, University Medical Centre Groningen, Department of Radiation Oncology, the Netherlands
| | - Boudewijn van Etten
- University of Groningen, University Medical Centre Groningen, Department of Surgery, the Netherlands.
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Liu B, Ge L, Wang J, Chen YQ, Ma SX, Ma PL, Zhang YQ, Yang KH, Cai H. Efficacy and safety of intraoperative radiotherapy in rectal cancer: A systematic review and meta-analysis. World J Gastrointest Oncol 2021; 13:69-86. [PMID: 33510850 PMCID: PMC7805273 DOI: 10.4251/wjgo.v13.i1.69] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/06/2020] [Accepted: 12/17/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In recent years, intraoperative radiotherapy (IORT) has been increasingly used for the treatment of rectal cancer. However, the efficacy and safety of IORT for the treatment of rectal cancer are still controversial.
AIM To evaluate the value of IORT for patients with rectal cancer.
METHODS We searched PubMed, Embase, Cochrane Library, Web of Science databases, and conference abstracts and included randomized controlled trials and observational studies on IORT vs non-IORT for rectal cancer. Dichotomous variables were evaluated by odds ratio (OR) and 95% confidence interval (CI), hazard ratio (HR) and 95%CI was used as a summary statistic of survival outcomes. Statistical analyses were performed using Stata V.15.0 and Review Manager 5.3 software.
RESULTS In this study, 3 randomized controlled studies and 12 observational studies were included with a total of 1460 patients, who are mainly residents of Europe, the United States, and Asia. Our results did not show significant differences in 5-year overall survival (HR = 0.80, 95%CI = 0.60-1.06; P = 0.126); 5-year disease-free survival (HR = 0.94, 95%CI = 0.73-1.22; P = 0.650); abscess (OR = 1.10, 95%CI = 0.67-1.80; P = 0.713), fistulae (OR = 0.79, 95%CI = 0.33-1.89; P = 0.600); wound complication (OR = 1.21, 95%CI = 0.62-2.36; P = 0.575); anastomotic leakage (OR = 1.09, 95%CI = 0.59-2.02; P = 0.775); and neurogenic bladder dysfunction (OR = 0.69, 95%CI = 0.31-1.55; P = 0.369). However, the meta-analysis of 5-year local control was significantly different (OR = 3.07, 95%CI = 1.66-5.66; P = 0.000).
CONCLUSION The advantage of IORT is mainly reflected in 5-year local control, but it is not statistically significant for 5-year overall survival, 5-year disease-free survival, and complications.
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Affiliation(s)
- Bin Liu
- Gansu Provincial Hospital, General Surgery Clinical Medical Center, Lanzhou 730000, Gansu Province, China
| | - Long Ge
- Evidence Based Social Science Research Center, School of Public Health, Lanzhou University, Lanzhou 730000, Gansu Province, China
| | - Jing Wang
- Gansu University of Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
| | - Ya-Qiong Chen
- Gansu Provincial Hospital, General Surgery Clinical Medical Center, Lanzhou 730000, Gansu Province, China
| | - Shi-Xun Ma
- Gansu Provincial Hospital, General Surgery Clinical Medical Center, Lanzhou 730000, Gansu Province, China
| | - Pei-Lan Ma
- Gansu Provincial Hospital, General Surgery Clinical Medical Center, Lanzhou 730000, Gansu Province, China
| | - Yun-Qiang Zhang
- Gansu Provincial Hospital, General Surgery Clinical Medical Center, Lanzhou 730000, Gansu Province, China
| | - Ke-Hu Yang
- Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, Gansu Province, China
| | - Hui Cai
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
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Calvo FA, Sole CV, Rutten HJ, Dries WJ, Lozano MA, Cambeiro M, Poortmans P, González-Bayón L. ESTRO/ACROP IORT recommendations for intraoperative radiation therapy in locally recurrent rectal cancer. Clin Transl Radiat Oncol 2020; 24:41-48. [PMID: 32613091 PMCID: PMC7320231 DOI: 10.1016/j.ctro.2020.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 06/14/2020] [Indexed: 12/28/2022] Open
Abstract
Multimodal strategies have been implemented for locally recurrent rectal cancer scheduled for complete surgical resection. Irradiation and systemic therapy have been added to improve the oncological outcome, as surgery alone was associated with a poor prognosis. Intraoperative irradiation (IORT) is a component of irradiation intensification. Long-term cancer control and a higher survival rate were consistently reported in patients who had IORT as a component of their multidisciplinary treatment. The experience reported by expert IORT groups is reviewed and recommendations to guide clinical practice are explained in detail.
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Affiliation(s)
- Felipe A. Calvo
- Department of Oncology, Clínica Universidad de Navarra, Universidad de Navarra, Madrid, Spain
- School of Medicine, Complutense University, Madrid, Spain
- Institute for Sanitary Research, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Corresponding author at: Department of Oncology, Clínica Universidad de Navarra, Madrid, Spain.
| | - Claudio V. Sole
- Department of Radiation Oncology, Instituto de Radiomedicina, Santiago, Chile
- Institute for Sanitary Research, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Harm J. Rutten
- Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands
- GROW: School of Oncology and Developmental Biology, University of Maastricht, Maastricht, the Netherlands
| | - Wim J. Dries
- Departments of Medical Physics and Radiotherapy, Catharina Hospital, Eindhoven, the Netherlands
| | - Miguel A. Lozano
- Department of Radiation Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Mauricio Cambeiro
- Department of Oncology, Clínica Universidad de Navarra, Universidad de Navarra, Madrid, Spain
| | - Philip Poortmans
- Department of Radiation Oncology, Institut Curie, Paris, France
- Paris Sciences & Lettres - PSL University, Paris, France
| | - Luis González-Bayón
- Institute for Sanitary Research, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Department of General Surgery, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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7
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Tam SY, Wu VWC. A Review on the Special Radiotherapy Techniques of Colorectal Cancer. Front Oncol 2019; 9:208. [PMID: 31001474 PMCID: PMC6454863 DOI: 10.3389/fonc.2019.00208] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 03/11/2019] [Indexed: 12/23/2022] Open
Abstract
Colorectal cancer is one of the commonest cancers worldwide. Radiotherapy has been established as an indispensable component of treatment. Although conventional radiotherapy provides good local control, radiotherapy treatment side-effects, local recurrence and distant metastasis remain to be the concerns. With the recent technological advancements, various special radiotherapy treatment options have been offered. This review article discusses the recently-developed special radiotherapy treatment modalities for various conditions of colorectal cancer ranging from early stage, locally advanced stage, recurrent, and metastatic diseases. The discussion focuses on the areas of feasibility, local control, and survival benefits of the treatment modalities. This review also provides accounts of the future direction in radiotherapy of colorectal cancer with emphasis on the coming era of personalized radiotherapy.
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Affiliation(s)
- Shing Yau Tam
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Vincent W C Wu
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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8
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Chang IW, Liu KW, Ragunanan M, He HL, Shiue YL, Yu SC. SERPINB5 Expression: Association with CCRT Response and Prognostic Value in Rectal Cancer. Int J Med Sci 2018; 15:376-384. [PMID: 29511373 PMCID: PMC5835708 DOI: 10.7150/ijms.22823] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 01/05/2018] [Indexed: 12/13/2022] Open
Abstract
Background: Due to the varying characteristics and conflicting outcomes on the overall survival of rectal cancer patients, many studies have been undertaken to determine various prognostic and predictive factors for the mainstay treatment of CCRT followed by surgery. Cancer cell motility contributes to tumor invasion, migration and eventually metastasis. However, the genes associated with cell motility (i.e., GO:0048870) have not been systemically evaluated in rectal cancers. Methods: A comparative analysis of gene expression profiles was applied to the transcriptomic dataset (GSE35452) with a focus on genes associated with cell motility (GO:0048870), where SERPINB5 was recognized as the most significantly up-regulated gene. Tumor samples from 172 primary rectal cancer patients who underwent neoadjuvant CCRT followed by surgical resection were collected. Immunohistochemistry was used to semi-quantitatively assess the expression level of SERPINB5 protein. Statistical analyses of SERPINB5 expression and various clinicopathological features as well as survival were then performed. Results: High immunoreactivity of SERPINB5 was significantly linked to pre- and post-CCRT advanced disease, lymphovascular invasion, and poor response to CCRT (all P ≤ 0.015). SERPINB5 overexpression was not only negatively associated with disease-specific survival (DSS), local recurrence-free survival (LRFS) and metastasis-free survival (MeFS) rates in univariate analyses but also was an independent prognostic factor for DSS and MeFS in rectal cancer patients (all P ≤ 0.043). Conclusion: SERPINB5 may play an important role in rectal cancer progression and response to neoadjuvant CCRT and serve as a novel prognostic factor.
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Affiliation(s)
- I-Wei Chang
- Department of Pathology, E-DA Hospital, I-Shou University, Kaohsiung, Taiwan.,School of Medicine, I-Shou University, Kaohsiung, Taiwan.,Department of Pathology, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kai-Wen Liu
- Department of Pathology, E-DA Hospital, I-Shou University, Kaohsiung, Taiwan
| | | | - Hong-Lin He
- Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan
| | - Yow-Ling Shiue
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Shou-Chun Yu
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.,Department of Medical Research, Chi-Mei Medical Center, Chiali Branch, Tainan, Taiwan
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9
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Kishan AU, Voog JC, Wiseman J, Cook RR, Ancukiewicz M, Lee P, Ryan DP, Clark JW, Berger DL, Cusack JC, Wo JY, Hong TS. Standard fractionation external beam radiotherapy with and without intraoperative radiotherapy for locally recurrent rectal cancer: the role of local therapy in patients with a high competing risk of death from distant disease. Br J Radiol 2017; 90:20170134. [PMID: 28613934 DOI: 10.1259/bjr.20170134] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
OBJECTIVE We sought to evaluate the effectiveness and safety of utilizing radiotherapy (RT) with standard fractionation, with or without intraoperative RT (IORT), to treat locally recurrent rectal cancer (LRRC). METHODS Retrospective review of 25 patients with LRRC treated with standard fractionation RT from 2005 to 2011. 15 patients (60%) had prior pelvic RT and 10 (40%) had synchronous metastases. The median equivalent dose in 2-Gy fractions was 30 and 49.6 Gy in patients with and without prior RT, respectively. 23 patients (92%) received concurrent chemotherapy and 16 (64%) underwent surgical resection. Eight patients (33.3%, four with and four without prior RT) received IORT. A competing risks model was developed to estimate the cumulative incidence of local failure with death treated as a competing event. RESULTS Median follow-up was 36.9 months after the date of local recurrence. 3-year rates of overall survival (OS), local control (LC) and death with LC were 51.6%, 73.3% and 69.2%, respectively. On multivariable analysis, surgical resection was significantly predictive of improved OS (p < 0.05). If surgical resection were removed from the multivariable model, given the collinearity between IORT delivery and surgical resection, then IORT also became a significant predictor of OS (p < 0.05). Systemic disease at the time of local recurrence was not associated with either LC or OS. No patient had grade ≥3 acute or late toxicity. CONCLUSION RT with standard fractionation is safe and effective in the treatment of patients with LRRC, even in patients with significant risk of systemic disease and/or history of prior RT. Advances in knowledge: The utility of RT with standard fractionation, generally with chemotherapy, in the treatment of LRRC is demonstrated. In this high-risk cohort of patients with a 40% incidence of synchronous metastatic disease, surgical resection of the recurrence was the major predictor of OS, though a benefit to IORT was also suggested. No patients had grade ≥3 acute or late toxicity, though 40% had undergone prior RT, underscoring the tolerability of standard fractionation RT in this setting.
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Affiliation(s)
- Amar U Kishan
- 1 Department of Radiation Oncology, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Justin C Voog
- 2 Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | | | - Ryan R Cook
- 1 Department of Radiation Oncology, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Marek Ancukiewicz
- 2 Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - Percy Lee
- 1 Department of Radiation Oncology, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - David P Ryan
- 4 Department of Medical Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - Jeffrey W Clark
- 5 Division of General and Gastrointestinal Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - David L Berger
- 5 Division of General and Gastrointestinal Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - James C Cusack
- 6 Division of Surgical Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - Jennifer Y Wo
- 2 Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - Theodore S Hong
- 2 Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
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10
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Sclafani F, Brown G, Cunningham D, Rao S, Tekkis P, Tait D, Morano F, Baratelli C, Kalaitzaki E, Rasheed S, Watkins D, Starling N, Wotherspoon A, Chau I. Systemic Chemotherapy as Salvage Treatment for Locally Advanced Rectal Cancer Patients Who Fail to Respond to Standard Neoadjuvant Chemoradiotherapy. Oncologist 2017; 22:728-736. [PMID: 28476941 DOI: 10.1634/theoncologist.2016-0396] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 01/03/2017] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The potential of chemotherapy as salvage treatment after failure of neoadjuvant chemoradiotherapy for locally advanced rectal cancer (LARC) has never been explored. We conducted a single-center, retrospective analysis to address this question. PATIENTS AND METHODS Patients with newly diagnosed LARC who were inoperable or candidates for extensive (i.e., beyond total mesorectal excision [TME]) surgery after long-course chemoradiotherapy and who received salvage chemotherapy were included. The primary objective was to estimate the proportion of patients who became suitable for TME after chemotherapy. RESULTS Forty-five patients were eligible (39 candidates for extensive surgery and 6 unresectable). Previous radiotherapy was given concurrently with chemotherapy in 43 cases (median dose: 54.0 Gy). Oxaliplatin- and irinotecan-based salvage chemotherapy was administered in 40 (88.9%) and 5 (11.1%) cases, respectively. Eight patients (17.8%) became suitable for TME after chemotherapy, 10 (22.2%) ultimately underwent TME with clear margins, and 2 (4.4%) were managed with a watch and wait approach. Additionally, 13 patients had extensive surgery with curative intent. Three-year progression-free survival and 5-year overall survival in the entire population were 30.0% (95% confidence interval [CI]: 15.0-46.0) and 44.0% (95% CI: 26.0-61.0), respectively. For the curatively resected and "watch and wait" patients, these figures were 52.0% (95% CI: 27.0-73.0) and 67.0% (95% CI: 40.0-84.0), respectively. CONCLUSION Systemic chemotherapy may be an effective salvage strategy for LARC patients who fail to respond to chemoradiotherapy and are inoperable or candidates for beyond TME surgery. According to our study, one out of five patients may become resectable or be spared from an extensive surgery after systemic chemotherapy. IMPLICATIONS FOR PRACTICE High-quality evidence to inform the optimal management of rectal cancer patients who are inoperable or candidates for beyond total mesorectal excision surgery following standard chemoradiotherapy is lacking. We show for the first time that systemic chemotherapy may be beneficial and result in one out of five poor prognosis patients becoming resectable or being spared from an extensive surgical approach. Although mores studies are needed to confirm these data, administering salvage systemic chemotherapy in this setting may have the potential to minimize morbidity associated with extensive surgical procedures and improve long-term oncological outcome.
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Affiliation(s)
- Francesco Sclafani
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Gina Brown
- Department of Radiology, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - David Cunningham
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Sheela Rao
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Paris Tekkis
- Department of Surgery, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Diana Tait
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Federica Morano
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Chiara Baratelli
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Eleftheria Kalaitzaki
- Department of Clinical Research and Development, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Shahnawaz Rasheed
- Department of Surgery, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - David Watkins
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Naureen Starling
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Andrew Wotherspoon
- Department of Histopathology, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
| | - Ian Chau
- Department of Medicine, The Royal Marsden NHS Foundation Trust, London and Surrey, United Kingdom
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Glimelius B. What is most relevant in preoperative rectal cancer chemoradiotherapy - the chemotherapy, the radiation dose or the timing to surgery? Acta Oncol 2016; 55:1381-1385. [PMID: 27879164 DOI: 10.1080/0284186x.2016.1254817] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Bengt Glimelius
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
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Extended lateral pelvic sidewall excision (ELSiE): an approach to optimize complete resection rates in locally advanced or recurrent anorectal cancer involving the pelvic sidewall. Tech Coloproctol 2014; 18:1161-8. [PMID: 25380742 DOI: 10.1007/s10151-014-1234-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Accepted: 10/06/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND Complete pathological resection of locally advanced or recurrent rectal and anal cancer is regarded as one of the most important determinants of oncological outcome. Disease in the lateral pelvic sidewall has been considered a contraindication for pelvic exenteration surgery owing to the significant likelihood of incomplete resection. METHODS We describe a novel technique (ELSiE) to resect disease involving the lateral pelvic sidewall. Patient demographics, post-operative histology, length of hospital stay and complications were collected from prospectively maintained electronic patient database. RESULTS During 2011-2013, six patients underwent pelvic exenteration surgery with the ELSiE approach. All patients had R0 resection. Three patients required sciatic nerve excision. Four patients developed post-operative complications although no major complications occurred. CONCLUSIONS Patients with locally advanced and recurrent cancer involving the lateral pelvic sidewall may be rendered suitable for potentially curative radical resection with a modification in the approach to the lateral pelvic sidewall. Our pilot series seems to indicate that our novel technique (ELSiE) is feasible, safe and yields high rates of complete pathological resection.
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