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Neoadjuvant rectal cancer

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https://www.readbyqxmd.com/read/28441855/-correlation-between-mismatch-repair-proteins-status-and-clinicopathological-characteristics-in-sporadic-colorectal-cancer-patients
#1
Z T Xiao, R X Zhang, Y Zhao, J H Peng, S X Lu, H Z Zhang, P R Ding, X J Wu, Z H Lu, L R Li, D S Wan, Z Z Pan, G Chen
Objective: To explore the expression of mismatch repair (MMR) proteins in sporadic colorectal cancer (SCRC) patients, and its association with clinicopathological characteristics of SCRC. Methods: Patients with histologically confirmed colorectal cancer were consecutively recruited between December 2011 and June 2015 at Sun Yat-sen University Cancer Center. The exclusion criteria included multiple primary colorectal tumors, hereditary colorectal cancer (including Lynch syndrome, familial adenomatous polyposis), and the patients without the MMR proteins status tested...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28440523/-outcome-of-watch-and-wait-strategy-or-organ-preservation-for-rectal-cancer-following-neoadjuvant-chemoradiotherapy-report-of-35-cases-from-a-single-cancer-center
#2
Aiwen Wu, Lin Wang, Changzheng Du, Yifan Peng, Yunfeng Yao, Jun Zhao, Tiancheng Zhan, Yong Cai, Yongheng Li, Yingshi Sun, Jiafu Ji
OBJECTIVE: To investigate the safety and efficacy of organ preservation surgery or "watch and wait" strategy for rectal cancer patients who are evaluated as clinical complete response(cCR) or near-cCR following neoadjuvant chemoradiotherapy (nCRT). METHOD: From March 2011 to June 2016, 35 patients with mid-low rectal cancers who were diagnosed as cCR or near-cCR following nCRT underwent organ preservation surgery with local excision or surveillance following "watch and wait" strategy in the Peking University Cancer Hospital...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28439842/controversies-in-the-multimodality-management-of-locally-advanced-rectal-cancer
#3
REVIEW
Robert Díaz Beveridge, Dilara Akhoundova, Gema Bruixola, Jorge Aparicio
Neoadjuvant radiotherapy previous to radical surgery, both as short-course radiotherapy and as long-course radiotherapy combined with 5-FU-based chemotherapy (LCRCT), is routinely used in the management of locally advanced rectal cancer, with consistent benefits in the reduction in the local relapse risk. Unfortunately, survival benefits have been elusive to demonstrate with this approach, especially in the setting of radical surgery in the form of total mesorectal excision (TME). Concerns about over-treating early-stage patients and about the possible long-term side effects have also cast more doubts in a blanket approach of treating all patients with neoadjuvant radiotherapy, especially with LCRCT...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28436629/-hypoxia-inducible-factor-1%C3%AE-and-cd133-predicts-pathological-complete-response-and-survival-for-locally-advanced-rectal-cancer-patients-after-neoadjuvant-chemoradiotherapy
#4
Cheng Cai, Jianping Wang, Zhifeng Zhong, Zhihui Dai, Qinghua Wang, Wuzhen Dong, Hongqi Shi, Qingwei Liu, Jinlin DU
Objective: To investigate the expression of hypoxia-inducible factor 1α (HIF-1α) and CD133 in predicting pathologic remission and survival of patients with locally advanced rectal cancer undergoing neoadjuvant chemoradiotherapy. Methods: One hundred and fourteen patients with locally advanced rectal cancer undergoing neoadjuvant chemoradiotherapy from January 2010 to December 2015 in Jinhua Municipal Central Hospital were enrolled in the study. RT-PCR and immunohistochemistry methods were used to detect the mRNA and protein expression of HIF-1α and CD133 before and after chemoradiotherapy...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28436197/magnetic-resonance-imaging-following-neoadjuvant-chemoradiation-and-transanal-endoscopic-microsurgery-for-rectal-cancer
#5
Guilherme P São Julião, Cinthia Denise Ortega, Bruna Borba Vailati, Angelita Habr-Gama, Laura Melina Fernandez, Joaquim Gama-Rodrigues, Sergio Eduardo Araujo, Rodrigo O Perez
AIM: Full thickness local excision after neoadjuvant chemoradiotherapy (CRT) for patients with rectal cancer and incomplete clinical response has been a treatment strategy for organ preservation. Follow up of these patients is challenging since anatomic distortion and postoperative changes may be clinically indistinguishable from tumor recurrence. Magnetic resonance imaging (MRI) may have a role in detecting recurrence. The aim of this study is to describe the MRI findings during follow-up in patients having local excision following CRT with and without local recurrence...
April 24, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28435398/the-changes-of-tumour-vascular-endothelial-growth-factor-expression-after-neoadjuvant-chemoradiation-in-patients-with-rectal-adenocarcinoma
#6
David Buka, Josef Dvorak, Veronika Sitorova, Igor Sirak, Rene Voboril, Bohuslav Melichar, Igor Richter
AIM OF THE STUDY: The aim was to examine the effects of neoadjuvant chemoradiotherapy on VEGF expression in patients with locally advanced rectal cancer. MATERIALS AND METHODS: A total of 53 patients with locally advanced rectal cancer were retrospectively studied. Neoadjuvant treatment comprised external beam radiation (50.4 Gy/28 fractions) with continuous infusion of 5-fluorouracil. Four to 6 weeks after the chemoradiotherapy, the patients underwent surgical resection...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28434582/effectiveness-between-early-and-late-temporary-ileostomy-closure-in-patients-with-rectal-cancer-a-prospective-study
#7
Li Zhen, Yanan Wang, Ze Zhang, Tongwei Wu, Ruoyan Liu, Tingting Li, Liying Zhao, Haijun Deng, Xiaolong Qi, Guoxin Li
A temporary stoma is often used in rectal cancer surgery to protect a distal anastomosis, which remains a major concern after rectal cancer surgery, particularly after low anterior resection. The temporary stoma is scheduled for closure. However, the optimal time of closure of the protecting stoma remains unclear because of sparse studies and data. We aimed to detect the efficacy between early and late temporary ileostomy closure in patients with rectal cancer during or after neoadjuvant chemoradiotherapy. We conducted a prospective, 2-group design between early and late ileostomy closure group in patients after rectal cancer surgery with temporary stoma...
March 2, 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28426108/mri-assessment-and-outcomes-in-patients-receiving-neoadjuvant-chemotherapy-only-for-primary-rectal-cancer-long-term-results-from-the-gemcad-0801-trial
#8
U B Patel, G Brown, I Machado, J Santos-Cores, C Pericay, E Ballesteros, A Salud, M Isabel-Gil, C Montagut, J Maurel, J Ramón-Ayuso, N Martin, R Estevan, C Fernandez-Martos
Background: Primary chemotherapy has been tested as a possible approach for patients with high risk features but predicted clear mesorectal margins on preoperative MRI assessment. This study investigates the prognostic relevance of baseline and post-treatment MRI and pathology staging in rectal cancer patients undergoing primary chemotherapy. Patients and methods: Forty-six patients with T3 tumour > =2 mm from the mesorectal fascia were prospectively treated with Neoadjuvant Capecitabine, Oxaliplatin and Bevacizumab prior to surgery between 2009 and 2011...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28423720/meta-analysis-of-oxaliplatin-based-versus-fluorouracil-based-neoadjuvant-chemoradiotherapy-and-adjuvant-chemotherapy-for-locally-advanced-rectal-cancer
#9
Xing-Li Fu, Zheng Fang, Liang-Hui Shu, Guo-Qing Tao, Jian-Qiang Wang, Zhi-Lian Rui, Yong-Jie Zhang, Zhi-Qiang Tian
A meta-analysis was conducted to compare oxaliplatin-based with fluorouracil-based neoadjuvant chemoradiotherapy and adjuvant chemotherapy for locally advanced rectal cancer. MEDLINE, EMBASE and CENTRAL were systematically searched for relevant randomized controlled trials (RCTs) until January 31 2017. Review Manager (version 5.3) was used to analyze the data. Dichotomous data were calculated by odds ratio (OR) with 95% confidence intervals (CI). A total of 8 RCTs with 6103 stage II or III rectal cancer patients were analyzed, including 2887 patients with oxaliplatin+fluorouracil regimen and 3216 patients with fluorouracil alone regimen...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423701/identification-of-protein-clusters-predictive-of-tumor-response-in-rectal-cancer-patients-receiving-neoadjuvant-chemo-radiotherapy
#10
Ombretta Repetto, Valli De Re, Antonino De Paoli, Claudio Belluco, Lara Alessandrini, Vincenzo Canzonieri, Renato Cannizzaro
Preoperative neoadjuvant chemoradiotherapy (nCRT) is the gold standard in locally advanced rectal cancer, only 10-30% of patients achieving benefits. Currently, there is a need of a reliable selection of markers for the identification of poor or non-responders prior to therapy. In this work, we compared protein profiles before therapy of patients differing in their responses to nCRT to find novel predictive markers of response to therapy. Patients were grouped into 3 groups according to their tumor regression grading (TRG) after surgery: 'TRG 1-2', good responders, 'TRG 3' and 'TRG 4', poor responders...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422744/serum-mir-143-levels-predict-the-pathological-response-to-neoadjuvant-chemoradiotherapy-in-patients-with-locally-advanced-rectal-cancer
#11
Yukiharu Hiyoshi, Takashi Akiyoshi, Ramu Inoue, Keiko Murofushi, Noriko Yamamoto, Yosuke Fukunaga, Masashi Ueno, Hideo Baba, Seiichi Mori, Toshiharu Yamaguchi
Recently, several circulating miRNAs have been reported as promising, minimally invasive biomarkers for the diagnosis or prediction of the prognosis in various types of cancer. However, the utility of circulating miRNAs as predictive markers of the cancer response to neoadjuvant chemoradiotherapy (nCRT) for locally advanced rectal cancer is still unclear. To identify circulating serum miRNAs useful for predicting a pathological good response to nCRT, total 18 serum miRNAs of interest were analyzed by real-time polymerase chain reaction in 94 rectal cancer patients treated with nCRT and surgery...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420585/adjuvant-chemotherapy-is-associated-with-improved-overall-survival-in-locally-advanced-rectal-cancer-after-achievement-of-a-pathologic-complete-response-to-chemoradiation
#12
Danish Shahab, Emmanuel Gabriel, Kristopher Attwood, Wen Wee Ma, Valerie Francescutti, Steven Nurkin, Patrick M Boland
BACKGROUND: In locally advanced rectal adenocarcinoma, 15% to 20% of patients treated with neoadjuvant chemoradiation (nCRT) achieve a pathologic complete response (pCR). The benefit of adjuvant chemotherapy is controversial in rectal cancer. Our objective was to evaluate the effect of clinical risk factors and adjuvant chemotherapy usage on the outcomes of the pCR patient population. PATIENTS AND METHODS: We performed a retrospective study using the National Cancer Data Base from 2006 to 2013...
March 18, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28411890/time-to-rethink-transanal-endoscopic-microsurgery-for-rectal-cancer-after-neoadjuvant-chemoradiation-for-highly-selected-patients
#13
EDITORIAL
Rodrigo Oliva Perez, Guilherme Pagin São Julião, Bruna Borba Vailati
No abstract text is available yet for this article.
April 12, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28411888/neoadjuvant-therapy-and-transanal-endoscopic-surgery-in-t2-t3-superficial-n0-m0-rectal-tumors-local-recurrence-complete-clinical-and-pathological-response
#14
Xavier Serra-Aracil, Carlos Pericay, Laura Mora-Lopez, Juan Carlos Garcia Pacheco, José Isaac Latorraca, Julio Ocaña-Rojas, Alex Casalots, Eva Ballesteros, Salvador Navarro-Soto
INTRODUCTION: The association of preoperative chemoradiotherapy and transanal endoscopic surgery in T2 and superficial T3 rectal cancers presents promising results in selected patients. The main objective is to evaluate the long-term loco-regional and systemic recurrence and, as secondary objectives, to provide results of postoperative morbidity and the correlation between complete clinical and pathological response. METHODS: This is a retrospective observational study including a consecutive series of patients with T2-T3 superficial rectal cancer, N0, M0 who refused radical surgery (2008-2016)...
April 12, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28410832/a-dose-finding-and-biomarker-evaluation-phase-ib-study-of-everolimus-in-association-with-5-fluorouracil-and-pelvic-radiotherapy-as-neoadjuvant-treatment-of-locally-advanced-rectal-cancer-e-larc-study
#15
Fabio Gelsomino, Federica Bertolini, Gabriele Luppi, Andrea Spallanzani, Elisa Pettorelli, Luca Reggiani Bonetti, Bruno Meduri, Gianrocco Manco, Pierfranco Conte, Stefano Cascinu
BACKGROUND: During the past 20 years, considerable improvement has occurred in the treatment of patients with locally advanced rectal cancer (LARC). With the introduction of multimodal treatment, refinements in preclinical staging and improvements in surgical skills, local relapse is no longer the major problem for patients with LARC. However, many patients die of metastatic disease. The present phase Ib study aimed to establish the maximum tolerated dose of everolimus combined with 5-fluorouracil and radiotherapy in patients with LARC...
March 24, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28410831/feasibility-and-efficacy-of-presurgical-exercise-in-survivors-of-rectal-cancer-scheduled-to-receive-curative-resection
#16
Favil Singh, Robert U Newton, Michael K Baker, Nigel A Spry, Dennis R Taaffe, Daniel A Galvão
BACKGROUND: Localized rectal carcinoma is invasive, with surgical resection the standard treatment. The aim of this study was to determine the feasibility of a supervised presurgical exercise intervention in patients with rectal cancer prior to rectal resection. PATIENTS AND METHODS: Twelve patients volunteered to undertake twice-weekly aerobic and resistance exercise for ∼16 weeks prior to surgery. At baseline, presurgery, and ∼8 weeks postsurgery, muscle strength and physical performance, body composition, quality of life, and fatigue were assessed...
March 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28399874/early-closure-of-defunctioning-stoma-increases-complications-related-to-stoma-closure-after-concurrent-chemoradiotherapy-and-low-anterior-resection-in-patients-with-rectal-cancer
#17
Tzu-Chieh Yin, Hsiang-Lin Tsai, Ping-Fu Yang, Wei-Chih Su, Cheng-Jen Ma, Ching-Wen Huang, Ming-Yii Huang, Chun-Ming Huang, Jaw-Yuan Wang
BACKGROUND: After a low anterior resection, creating a defunctioning stoma is vital for securing the anastomosis in low-lying rectal cancer patients receiving concurrent chemoradiotherapy. Although it decreases the complication and reoperation rates associated with anastomotic leakage, the complications that arise before and after stoma closure should be carefully evaluated and managed. METHODS: This study enrolled 95 rectal cancer patients who received neoadjuvant concurrent chemoradiotherapy and low anterior resection with anastomosis of the bowel between July 2010 and November 2012...
April 11, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28391777/remarkable-response-to-fluorouracil-leucovorin-oxaliplatin-and-irinotecan-therapy-in-urothelial-cancer-of-the-renal-pelvis-a-case-report
#18
Takuya Tsujino, Kiyoshi Takahara, Tomohisa Matsunaga, Yuki Yoshikawa, Tomoaki Takai, Taizo Uchimoto, Kenkichi Saito, Naoki Tanda, Hajime Hirano, Hayahito Nomi, Naokazu Ibuki, Teruo Inamoto, Haruhito Azuma
BACKGROUND: No standard chemotherapy regimen for advanced urothelial cancer has been established, except for cisplatin-based regimens. We report the case of a patient with double primary cancer, urothelial carcinoma of the upper urinary tract and colorectal cancer, who underwent oxaliplatin-based chemotherapies. CASE PRESENTATION: A 56-year-old Japanese man presented to our hospital with the diagnosis of a left renal pelvic tumor and rectal cancer. Several examinations including ureteroscopic biopsy and computed tomography-guided biopsy were performed; however, the diagnosis of renal pelvic cancer could not be made...
April 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28386670/the-impact-of-pathologic-complete-response-in-patients-with-neoadjuvantly-treated-locally-advanced-rectal-cancer-a-large-single-center-experience
#19
A M Dinaux, R Amri, L G Bordeianou, T S Hong, J Y Wo, L S Blaszkowsky, J N Allen, J E Murphy, H Kunitake, D L Berger
Small cohort studies demonstrated better oncologic outcomes for patients with pathologic complete response (PathCR) after neoadjuvant treatment for locally advanced rectal cancer. This study reviews long-term outcomes of a large cohort of clinically stage II/III rectal cancer patients who received neoadjuvant chemoradiation and surgery. This is a retrospective analysis of a single-center cohort, including all clinical stage II/III rectal cancer patients who received neoadjuvant chemoradiation and surgery between 2004 and 2014 (n = 271)...
April 6, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28386648/patterns-of-recurrence-in-patients-achieving-pathologic-complete-response-after-neoadjuvant-chemoradiotherapy-for-rectal-cancer
#20
Wen-Hua Fan, Jian Xiao, Xin An, Wu Jiang, Li-Ren Li, Yuan-Hong Gao, Gong Chen, Ling-Heng Kong, Jun-Zhong Lin, Jian-Ping Wang, Zhi-Zhong Pan, Pei-Rong Ding
PURPOSE: The aim of this study was to characterize the patterns of recurrence in patients achieving pathologic complete response (pCR) after neoadjuvant chemoradiotherapy (CRT) for locally advanced rectal cancer. METHODS: Patients with locally advanced rectal cancer treated with neoadjuvant CRT and who achieved pCR from January 2004 to December 2012 were collected. The primary outcome measurement was the patterns of recurrence. RESULTS: Among 195 patients who achieved pCR, 18 developed recurrence...
April 6, 2017: Journal of Cancer Research and Clinical Oncology
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