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neoadjuvant rectal

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https://www.readbyqxmd.com/read/28541845/a-metastatic-rectal-gastrointestinal-stromal-tumor-to-the-small-bowel-mesentery-treated-with-neoadjuvant-imatinib-and-debulking-surgery-followed-by-low-anterior-resection
#1
James Barger, James Kurtz, Kristin Ryan
No abstract text is available yet for this article.
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28537875/n-myc-downstream-regulated-gene-1-promotes-oxaliplatin-triggered-apoptosis-in-colorectal-cancer-cells-via-enhancing-the-ubiquitination-of-bcl-2
#2
Xiao Yang, Fan Zhu, Chaoran Yu, Jiaoyang Lu, Luyang Zhang, Yanfeng Lv, Jing Sun, Minhua Zheng
N-myc downstream-regulated gene1 (NDRG1) has been identified as a potent tumor suppressor gene. The molecular mechanisms of anti-tumor activity of NDRG1 involve its suppressive effects on a variety of tumorigenic signaling pathways. The purpose of this study was to investigate the role of NDRG1 in the apoptosis of colorectal cancer (CRC) cells. We first collected the clinical data of locally advanced rectal cancer (LARC) patients receiving oxaliplatin-based neoadjuvant chemotherapy in our medical center. Correlation analysis revealed that NDRG1 positively associated with the downstaging rates and prognosis of patients...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28534328/-predictive-value-of-serum-carcinoembryonic-antigen-level-in-efficacy-and-prognosis-for-patients-with-rectal-cancer-following-preoperative-radiochemotherapy
#3
Dakui Zhang, Tiancheng Zhan, Ming Li, Jin Gu
OBJECTIVE: To examine the association of preoperative carcinoembryonic antigen (CEA) level with the efficacy of neoadjuvant radiochemotherapy and postoperative metastasis and relapse in patients with rectal cancer. METHODS: Between January 2011 and January 2014, 325 patients with local advanced rectal cancer underwent preoperative radiochemotherapy and radical operation in Department of Colorectal Cancer Surgery, Beijing University Cancer Hospital, including 194 males and 131 females...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28534322/-value-of-functional-magnetic-resonance-imaging-in-predicting-outcomes-of-neoadjuvant-chemoradiotherapy-in-rectal-cancer
#4
Yishan Yu, Jinbo Yue, Jinming Yu
Rectal cancer is one of the common cancers which poses a threat to the health of mankind. In recent years. Multi-modality treatment strategies for locally advanced rectal cancer improve the treatment efficiency. Accurate prediction of the treatment response after the neoadjuvant chemoradiotherapy (CRT) can guide more suitable treatment strategy. MERCURY study proved the prognostic value of post-CRT standard morphologic MRI(T2-weighted) assessment of tumor regression grade(TRG), and MRI assessment of circumferential resection margin can guide the definitive surgery...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28534080/pathologic-complete-response-rates-after-neoadjuvant-treatment-in-rectal-cancer-an-analysis-of-the-national-cancer-database
#5
Patrick D Lorimer, Benjamin M Motz, Russell C Kirks, Danielle M Boselli, Kendall K Walsh, Roshan S Prabhu, Joshua S Hill, Jonathan C Salo
BACKGROUND: Pathologic complete response (pCR) of rectal cancer following neoadjuvant therapy is associated with decreased local recurrence and increased overall survival. This study utilizes a national dataset to identify predictors of pCR in patients with rectal cancer. METHODS: The National Cancer Database was queried for patients with nonmetastatic rectal cancer (2004-2014) who underwent neoadjuvant therapy and surgical resection. Unadjusted associations were assessed using rank-sum tests and χ (2) tests where appropriate...
May 22, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28530109/utility-of-neoadjuvant-therapy-in-rectal-gist
#6
Víctor López-López, Juan Ángel Fernández, Pascual Parrilla
Neoadjuvant therapy with Imatinib is the preferred treatment for rectal GISTs in order to reduce the aggressiveness of a surgical resection. At present, surgical resection does not require wide surgical margins. There is also a lot of controversy with regard to the need for a broad anatomical resection or if a local resection is sufficient and maintains maximum oncological safety and minimum morbidity and mortality. We present a case report of a rectal GIST with a good response to neoadjuvant treatment which allowed a transanal resection...
May 22, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28530107/leptomeningeal-carcinomatosis-in-a-young-patient-with-obstructive-colorectal-signet-ring-cell-adenocarcinoma
#7
Alejandro Lusilla, Jorge de Tomás
We present the case report of a twenty-five-year-old Moroccan male patient who suffered from leptomeningeal carcinomatosis related to a signet-ring cell carcinoma of the rectum. He presented to the emergency department with abdominal pain, constipation, weight loss and rectal bleeding. The rectal examination showed a rectal tumor and a CT scan revealed a large bowel obstruction due to rectal diffuse thickening. An emergency transverse colostomy was performed, with a rectal biopsy and a cytological sample collection...
May 22, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28529623/high-expression-of-epha4-predicted-lesser-degree-of-tumor-regression-after-neoadjuvant-chemoradiotherapy-in-rectal-cancer
#8
Ching-Yih Lin, Ying-En Lee, Yu-Feng Tian, Ding-Ping Sun, Ming-Jen Sheu, Chen-Yi Lin, Chien-Feng Li, Sung-Wei Lee, Li-Ching Lin, I-Wei Chang, Chieh-Tien Wang, Hong-Lin He
Background: Numerous transmembrane receptor tyrosine kinase pathways have been found to play an important role in tumor progression in some cancers. This study was aimed to evaluate the clinical impact of Eph receptor A4 (EphA4) in patients with rectal cancer treated with neoadjuvant concurrent chemoradiotherapy (CCRT) combined with mesorectal excision, with special emphasis on tumor regression. Methods: Analysis of the publicly available expression profiling dataset of rectal cancer disclosed that EphA4 was the top-ranking, significantly upregulated, transmembrane receptor tyrosine kinase pathway-associated gene in the non-responders to CCRT, compared with the responders...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28524777/can-a-longer-waiting-period-after-neoadjuvant-chemoradiotherapy-improve-the-pathologic-complete-response-rate-in-patients-with-rectal-cancer
#9
Jun Li, Jian Li
No abstract text is available yet for this article.
May 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28514763/the-value-of-diffusion-kurtosis-imaging-in-assessing-pathological-complete-response-to-neoadjuvant-chemoradiation-therapy-in-rectal-cancer-a-comparison-with-conventional-diffusion-weighted-imaging
#10
Feixiang Hu, Wei Tang, Yiqun Sun, Dang Wan, Sanjun Cai, Zhen Zhang, Robert Grimm, Xu Yan, Caixia Fu, Tong Tong, Weijun Peng
OBJECTIVES: The aim of this study is to comprehensively evaluate the advantage of diffusion kurtosis imaging (DKI) in distinguishing pathological complete response (pCR) from non-pCR patients with locally advanced rectal cancer (LARC) after neoadjuvant chemoradiation therapy (CRT) in comparison to conventional diffusion-weighted imaging (DWI). MATERIAL AND METHODS: Fifty-six consecutive patients diagnosed with LARC were prospectively enrolled and underwent pre- and post-CRT MRI on a 3...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28507455/neoadjuvant-chemoradiotherapy-of-the-rectal-carcinoma-the-correlation-between-the-findings-on-the-restaging-multiparametric-3t-mri-scanning-and-the-surgical-findings
#11
Radovan Vojtíšek, Eva Korčáková, Jan Mařan, Ondřej Šorejs, Jindřich Fínek
AIM: To figure out how to correlate the findings on functional MRI and carried out after neoadjuvant CRT of rectal carcinoma with final histology after surgery. BACKGROUND: Neoadjuvant CRT is the standard treatment of locally advanced rectal carcinoma. Its use leads to the downstaging of the disease and in 15-42% of patients even to the detection of pCR after TME. The use of functional MRI improves the sensitivity and specificity of pCR detection up to 52-64% and 89-98%, respectively...
July 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28503826/prospective-randomised-trial-of-neoadjuvant-chemotherapy-during-the-wait-period-following-pre-operative-chemoradiotherapy-for-rectal-cancer-results-of-the-wait-trial
#12
James Moore, Tim Price, Scott Carruthers, Sudarsha Selva-Nayagam, Andrew Luck, Michelle Thomas, Peter Hewett
AIMS: To determine whether the addition of additional cycles of chemotherapy during the "wait "period following neoadjuvant chemo-radiotherapy for rectal cancer improves the pathologic complete response rate (pCR). METHODS: Rectal cancer patients were randomly allocated to either a standard 10 week wait period before surgery (standard chemo-radiotherapy, SCRT) or to receive 3 cycles of 5FU based chemotherapy following chemo-radiotherapy during a similar 10 week wait (extended chemo-radiotherapy, XCRT)...
May 15, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28503808/a-pilot-randomized-study-comparing-extralevator-with-conventional-abdominoperineal-excision-for-low-rectal-cancer-after-neoadjuvant-chemoradiation
#13
Ramakrishnan Ayloor Seshadri, Nicholas P West, Shirley Sundersingh
AIMS: The aims of this study were to assess the feasibility of performing an extralevator abdominoperineal excision (ELAPE) after neoadjuvant chemoradiation, to compare the rates of circumferential resection margin (CRM) involvement and intra-operative perforation (IOP) of the specimen, and to assess the amount of tissue removed around the muscularis propria (MP)/internal sphincter (IS) of the lower rectum in patients with low rectal cancer undergoing ELAPE as compared to conventional abdominoperineal excision (CAPE) after NCRT...
May 15, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28503257/trends-with-neoadjuvant-radiotherapy-and-clinical-staging-for-those-with-rectal-malignancies
#14
Sanjay S Reddy, Beth Handorf, Jeffrey M Farma, Elin R Sigurdson
AIM: To see how patterns of care changed over time, and how institution type effected these decisions. METHODS: A retrospective analysis was performed using the National Cancer Database, looking at all patients that were diagnosed with rectal cancer from 1998 to 2011. We tested differences in rates of treatment and stage migration using χ(2) tests and logistic regression models. RESULTS: A review of ninety thousand five hundred and ninety four subjects underwent multimodality therapy for cancer of the rectum...
April 27, 2017: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28502421/is-neoadjuvant-chemoradiotherapy-always-necessary-for-mid-high-local-advanced-rectal-cancer-a-comparative-analysis-after-propensity-score-matching
#15
Y Zhang, Y Sun, Z Xu, P Chi, X Lu
AIM: This study was aimed to compare perioperative and oncological outcomes of mid/high locally advanced midrectal cancer (LARC) treated with neoadjuvant chemoradiotherapy (NCRT) vs. surgery alone, and to identify risk factors for local recurrence in mid/high LARC. METHOD: A total of 471 mid/high LARC patients treated with surgery alone or NCRT (50.4 Gy in 28 fractions) with concurrent FOLFOX/XELOX followed by TME in 6-8 weeks from 2008 to 2014 were matched 1:1 by using propensity score analysis...
May 4, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28501970/cancer-center-volume-and-type-impact-stage-specific-utilization-of-neoadjuvant-therapy-in-rectal-cancer
#16
Emily F Midura, Andrew D Jung, Meghan C Daly, Dennis J Hanseman, Bradley R Davis, Shimul A Shah, Ian M Paquette
BACKGROUND: Neoadjuvant chemoradiation reduces local recurrence in locally advanced rectal cancer, and adherence to national and societal recommendations remains unknown. OBJECTIVE: To determine variability in guideline adherence in rectal cancer treatment and investigate whether hospital volume correlated with variability seen. DESIGN: We performed a retrospective analysis using the National Cancer Database rectal cancer participant user files from 2005 to 2010...
May 13, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28499428/clinical-benefit-of-adding-oxaliplatin-to-standard-neoadjuvant-chemoradiotherapy-in-locally-advanced-rectal-cancer-a-meta-analysis-oxaliplatin-in-neoadjuvant-treatment-for-rectal-cancer
#17
Francesca De Felice, Ilaria Benevento, Anna Lisa Magnante, Daniela Musio, Nadia Bulzonetti, Rossella Caiazzo, Vincenzo Tombolini
BACKGROUND: Neoadjuvant fluoropirimidine (5FU)-based chemoradiotherapy (CRT) has been considered the standard of care for locally advanced rectal cancer (LARC). Whether addition of oxaliplatin (OXP) will further improve clinical outcomes is still debated. We conducted a meta-analysis to evaluate the role of OXP in this patient population. METHODS: Literature searches were carried out in PubMed, Medline and Scopus databases. End points were overall survival (OS), disease free survival (DFS), local failure (LF) and distant failure (DF)...
May 12, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28497757/safety-and-tolerability-of-veliparib-combined-with-capecitabine-plus-radiotherapy-in-patients-with-locally-advanced-rectal-cancer-a-phase-1b-study
#18
Brian G Czito, Dustin A Deming, Gayle S Jameson, Mary F Mulcahy, Houman Vaghefi, Matthew W Dudley, Kyle D Holen, Angela DeLuca, Rajendar K Mittapalli, Wijith Munasinghe, Lei He, John R Zalcberg, Samuel Y Ngan, Philip Komarnitsky, Michael Michael
BACKGROUND: Further optimisation of present standard chemoradiation is needed in patients with locally advanced rectal cancer. Veliparib, an oral poly(ADP-ribose) polymerase inhibitor, has been shown to enhance the antitumour activity of chemotherapy and radiotherapy in preclinical models. We aimed to establish the maximum tolerated dose and establish the recommended phase 2 dose of veliparib combined with neoadjuvant capecitabine and radiotherapy. METHODS: This phase 1b, open-label, multicentre, dose-escalation study was done at six hospitals (one in Australia and five in the USA)...
June 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28497403/locally-advanced-rectal-cancer-predicting-non-responders-to-neoadjuvant-chemoradiotherapy-using-apparent-diffusion-coefficient-textures
#19
Ming Liu, Han Lv, Li-Heng Liu, Zheng-Han Yang, Er-Hu Jin, Zhen-Chang Wang
PURPOSE: The purpose of the study is to evaluate whether apparent diffusion coefficient (ADC) textures could identify patient with locally advanced rectal cancer (LARC) who would not respond to neoadjuvant chemoradiotherapy (NCRT). METHOD: Twenty-six patients who underwent MRI including diffusion-weighted imaging at a 3.0 T system before NCRT were enrolled. Texture analysis of pre-therapy ADC mapping was carried out, and a total of 133 ADC textures as well as routine mean ADC value of the primary tumor were extracted for each patient...
May 11, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28493401/the-role-of-adjuvant-chemotherapy-on-survival-and-recurrence-after-curative-rectal-cancer-surgery-on-patients-who-are-histologically-node-negative-after-neoadjuvant-chemoradiotherapy
#20
Dlh Baird, Q Denost, C Simillis, G Pellino, S Rasheed, C Kontovounisios, P P Tekkis, E Rullier
AIM: The aim of this study is to evaluate whether adjuvant chemotherapy will affect recurrence rates, disease free and overall survival in patients with rectal adenocarcinoma who were staged with MRI node positive disease (mrN+) preoperatively and underwent neoadjuvant chemoradiotherapy with curative rectal cancer surgery and their pathological staging was negative for nodal disease (ypN0). There is no consensus on the role of adjuvant chemotherapy in these patients. METHOD: Patients who received neoadjuvant chemoradiotherapy and underwent curative rectal cancer surgery for rectal adenocarcinoma staged as [mrTxN+M0] on MRI staging and on pathological staging were found to be [ypTxN0M0] were retrospectively identified from 01/2008-12/2012 from two tertiary referral centers (Royal Marsden Hospital and Saint-Andre Hospital)...
May 11, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
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