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Clinical Colorectal Cancer

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https://www.readbyqxmd.com/read/27856123/prognostic-impact-of-primary-tumor-location-on-clinical-outcomes-of-metastatic-colorectal-cancer-treated-with-cetuximab-plus-oxaliplatin-based-chemotherapy-a-subgroup-analysis-of-the-jaccro-cc-05-06-trials
#1
Yu Sunakawa, Wataru Ichikawa, Akihito Tsuji, Tadamichi Denda, Yoshihiko Segawa, Yuji Negoro, Ken Shimada, Mitsugu Kochi, Masato Nakamura, Masahito Kotaka, Hiroaki Tanioka, Akinori Takagane, Satoshi Tani, Tatsuro Yamaguchi, Takanori Watanabe, Masahiro Takeuchi, Masashi Fujii, Toshifusa Nakajima
INTRODUCTION: Primary tumor location is a critical prognostic factor in metastatic colorectal cancer (mCRC); however, it remains unclear whether tumor location is a predictor of the response to cetuximab treatment. It is also uncertain if BRAF mutation contributes to the impact of tumor location on survival. We assessed the prognostic impact of tumor location on clinical outcomes in mCRC patients treated with first-line cetuximab chemotherapy. PATIENTS AND METHODS: The associations of tumor location with overall survival and progression-free survival were evaluated in mCRC patients with KRAS exon 2 wild-type tumors who were enrolled onto 2 clinical trials: JACCRO CC-05 of cetuximab plus FOLFOX (n = 57, UMIN000004197) and CC-06 of cetuximab plus SOX (n = 61, UMIN000007022)...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27839727/attitudes-of-patients-with-gastrointestinal-cancers-toward-research-biopsies
#2
Sing Yu Moorcraft, Ruwaida Begum, David Cunningham, Clare Peckitt, Chiara Baratelli, Angela Gillbanks, Penelope Rogers, Vitalis Nwokorie, Ian Chau, David Watkins, Naureen Starling
BACKGROUND: Research biopsies are an increasingly important component of clinical trials, but there are concerns that biopsies may deter patients from participating in research. PATIENTS AND METHODS: Patients participating in a single-center study investigating the feasibility of molecular profiling in advanced gastrointestinal cancers were asked to complete a questionnaire regarding their reasons for consenting/declining optional research biopsies and blood samples...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27825672/survival-impact-of-adjuvant-chemotherapy-for-resected-locally-advanced-rectal-adenocarcinoma
#3
Rebecca Y Tay, Murtaza Jamnagerwalla, Malcolm Steel, Hui-Li Wong, Joseph J McKendrick, Ian Faragher, Suzanne Kosmider, Ian Hastie, Jayesh Desai, Mark Tacey, Peter Gibbs, Rachel Wong
BACKGROUND: Recent data has created uncertainty regarding the benefit of adjuvant fluoropyrimidine-containing chemotherapy following preoperative chemoradiotherapy and surgical resection for locally advanced rectal cancer (LARC). In particular, patients with a pathologic complete response (pCR) may derive no benefit from adjuvant chemotherapy. PATIENTS AND METHODS: This is a retrospective analysis of patients with LARC, diagnosed between January 1, 2003 and December 31, 2014 at 3 Melbourne health services...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27816419/ectopic-gastric-and-intestinal-phenotypes-neuroendocrine-cell-differentiation-and-sox2-expression-correlated-with-early-tumor-progression-in-colorectal-laterally-spreading-tumors
#4
Takahito Katano, Tsutomu Mizoshita, Hironobu Tsukamoto, Hirotada Nishie, Yusuke Inagaki, Noriyuki Hayashi, Satoshi Nomura, Keiji Ozeki, Yasuyuki Okamoto, Takaya Shimura, Yoshinori Mori, Eiji Kubota, Satoshi Tanida, Hiromi Kataoka, Toshiya Kuno, Satoru Takahashi, Takashi Joh
INTRODUCTION: The significance of the ectopic gastric phenotype remains unclear in patients with colorectal laterally spreading tumors (LSTs). We investigated clinicopathologic differences among LST subtypes, aiming to identify factors indicative of malignant transformation and invasion that are linked to ectopic gastric phenotype and tumor progression. MATERIALS AND METHODS: We analyzed the morphologic characteristics of 105 colorectal LSTs resected by endoscopic submucosal dissection...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27810226/the-role-of-cyclooxygenase-2-in-colorectal-carcinogenesis
#5
REVIEW
Yongsong Liu, Hong Sun, Min Hu, Yuan Zhang, Shuangling Chen, Sean Tighe, Yingting Zhu
Colorectal cancer is a major worldwide health care problem that accounts for 1 million new cases each year. The risk factors for this disease include hereditary factors, environmental agents, and inflammatory stimuli that affect the gastrointestinal tract. Among these risk factors, cyclooxygenase-2 (COX-2) is one of the major players in the progression of colorectal cancer; however, the detailed mechanism of its role in causing colorectal cancer is still not well understood. In addition, the role of COX-2 signaling through the interaction in the epithelial and stromal compartments on colorectal carcinogenesis has not been fully illustrated...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27789195/identification-of-high-risk-aberrant-crypt-foci-and-mucin-depleted-foci-in-the-human-colon-with-study-of-colon-cancer-stem-cell-markers
#6
Brijnandan Gupta, Prasenjit Das, Shouriyo Ghosh, Janvie Manhas, Sudip Sen, Sujoy Pal, Peush Sahni, Aashish Dutt Upadhyay, Subrat K Panda, Siddhartha Datta Gupta
BACKGROUND: During colonoscopic screening, only macroscopic lesions will be identified, and these are usually the result of multiple genetic abnormalities. Magnification endoscopic detection of aberrant crypt foci (ACF), long before they acquire complex genetic abnormalities, is promising. However, the features of high-risk ACF-like lesions need to be identified. MATERIALS AND METHODS: In the present cross-sectional study, grossly visible normal mucosal flaps were shaved from 152 colectomies, including 96 colorectal cancer (CRC) cases and 56 controls (22 control specimens with disease with malignant potential and 34 without malignant potential)...
September 20, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27777043/trends-in-hospitalization-and-mortality-of-venous-thromboembolism-in-hospitalized-patients-with-colon-cancer-and-their-outcomes-us-perspective
#7
Kalpit Devani, Nirav Patil, Carlos Roberto Simons-Linares, Nilay Patel, Palashkumar Jaiswal, Pranav Patel, Samir Patel, Chirag Savani, Kamlesh Sajnani, Mark Young, Chakradhar Reddy
INTRODUCTION: Venous thromboembolism (VTE) is a major cause of morbidity and mortality in hospitalized patients with colon cancer. We assessed nationwide population-based trends in rates of hospitalization and mortality from VTE among patients with colon cancer to determine its impact. METHODS: We queried the Nationwide Inpatient Sample (NIS) database entries from 2003 to 2011 to identify patients with colon cancer. Bivariate group comparisons between hospitalized patients with colon cancer with VTE to those without VTE were made...
September 20, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27743743/gemcitabine-associated-thrombotic-microangiopathy-response-to-complement-inhibition-and-reinitiation-of-gemcitabine
#8
Jeffrey L Turner, Joshua Reardon, Tanios Bekaii-Saab, Spero R Cataland, Matthew J Arango
No abstract text is available yet for this article.
September 20, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27742264/chemotherapy-tolerance-and-oncologic-outcomes-in-patients-with-colorectal-cancer-with-and-without-inflammatory-bowel-disease
#9
Jordan Axelrad, Anuja Kriplani, Umut Ozbek, Noam Harpaz, Jean-Frederic Colombel, Steven Itzkowitz, Randall F Holcombe, Celina Ang
BACKGROUND: Inflammatory bowel disease (IBD), comprising Crohn disease and ulcerative colitis, is a risk factor for colorectal cancer (CRC). Chemotherapy toxicity may exacerbate IBD symptoms and vice versa, but data are limited. We evaluated chemotherapy tolerance and oncologic outcomes in patients with CRC with and without IBD. PATIENTS AND METHODS: Medical records of patients with CRC with and without IBD treated between 2008 and 2013 were reviewed. Where possible, patients were matched by age, sex, stage, and diagnosis year...
September 20, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27756521/the-course-of-neuropathic-symptoms-in-relation-to-adjuvant-chemotherapy-among-elderly-patients-with-stage-iii-colon-cancer-a%C3%A2-longitudinal-study
#10
Felice N van Erning, Maryska L G Janssen-Heijnen, Johannes A Wegdam, Gerrit D Slooter, Jan H Wijsman, Art Vreugenhil, Tonneke A J M Beijers, Lonneke V van de Poll-Franse, Valery E P P Lemmens
INTRODUCTION: Among the elderly, the impairment of functional capacities due to neuropathy can have a significant impact. The aim of the present study was to investigate the course of neuropathic symptoms among elderly patients with stage III colon cancer treated with CAPOX (capecitabine, oxaliplatin), capecitabine monotherapy, or no adjuvant chemotherapy. MATERIALS AND METHODS: The Netherlands Cancer Registry was used to select patients with stage III colon cancer and aged ≥ 70 years...
September 17, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27726953/lack-of-caudal-type-homeobox-transcription-factor-2-expression-as-a-prognostic-biomarker-in-metastatic-colorectal-cancer
#11
Ben Y Zhang, Jeremy C Jones, Andrew M Briggler, Joleen M Hubbard, Benjamin R Kipp, Daniel J Sargent, Jesse G Dixon, Axel Grothey
BACKGROUND: Although the lack of CDX2 expression has recently been proposed as a potential biomarker for a high risk of relapse in patients with stage II and III colon cancer after complete surgical resection, its prognostic role in metastatic colorectal cancer (CRC) remains unclear and warrants investigation. MATERIALS AND METHODS: We identified 145 patients treated at our institution from 2006 to 2016, including 66 patients with CDX2-negative metastatic CRC and a comparison cohort of 79 patients with CDX2-positive metastatic CRC...
September 17, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27743742/capecitabine-and-oxaliplatin-before-during-and-after-radiotherapy-for-high-risk-rectal-cancer
#12
Finn Ole Larsen, Alice Markussen, Benny V Jensen, Anne L Fromm, Kirsten K Vistisen, Vibeke K Parner, Dorte Linnemann, Rasmus H Hansen, Helle H Johannesen, Jakob V Schou
PURPOSE: To evaluate the effect of capecitabine and oxaliplatin before, during, and after radiotherapy for high-risk rectal cancer. PATIENTS AND METHODS: Patients with rectum cancer T4 or T3 involving the mesorectal fascia was included in a prospective phase 2 trial. Liver or lung metastases were accepted if the surgeons found them resectable. The patients received 6 weeks of capecitabine and oxaliplatin before chemoradiotherapy (CRT), continued capecitabine and oxaliplatin during radiotherapy, and received 4 weeks of capecitabine and oxaliplatin after CRT...
September 14, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27553906/the-potential-value-of-immunotherapy-in-colorectal-cancers-review-of-the-evidence-for-programmed-death-1-inhibitor-therapy
#13
REVIEW
James W T Toh, Paul de Souza, Stephanie H Lim, Puneet Singh, Wei Chua, Weng Ng, Kevin J Spring
Colorectal cancers (CRCs) have been identified as potential targets for immunotherapy with programmed cell death (PD)-1 inhibitors. English-language publications from MedLine and Embase that evaluated PD-1/PD ligand 1 (PD-L1) in the CRC tumor microenvironment and clinical trials that assessed PD-1 inhibitors were included. Sixteen abstracts were screened. Fifteen met the inclusion criteria. After review of the full texts, this resulted in a final reference list of 8 studies eligible for review. Five studies that assessed PD-1/PD-L1 in CRC and 3 trials that assessed PD-1 inhibitors were included...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27521066/the-pharmacological-costs-of-first-line-therapies-in-unselected-patients-with-advanced-colorectal-cancer-a-review-of-published-phase-iii-trials
#14
REVIEW
Jacopo Giuliani, Andrea Bonetti
In light of the relevant expenses of pharmacologic interventions, it might be interesting to make a balance between the cost of the new drugs administered and the difference in progression-free survival in first-line treatments for advanced colorectal cancer. We calculated the pharmacologic costs necessary to get the benefit in progression-free survival for each trial. The costs are from the pharmacy of our hospital in Legnago, Italy. We evaluated 28 phase III randomized controlled trials that included 19,958 patients...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27507128/a-phase-ii-study-of-xelox-and-cetuximab-as-first-line-therapy-in-patients-with-kras-wild-type-metastatic-colorectal-cancer-fleet2-study
#15
Shoichi Hazama, Hiromichi Maeda, Shigeyoshi Iwamoto, Ho Min Kim, Hiroyoshi Takemoto, Kenji Kobayashi, Junichi Sakamoto, Naoki Nagata, Koji Oba, Hideyuki Mishima
BACKGROUND: Despite the comparable clinical benefit of XELOX (capecitabine with oxaliplatin) and FOLFOX (5-fluorouracil, leucovorin, and oxaliplatin), the value of XELOX treatment in combination with cetuximab for metastatic colorectal cancer (mCRC) remains largely unknown. PATIENTS AND METHODS: In this clinical trial we evaluated the efficacy and safety of weekly/biweekly cetuximab administration combined with biweekly XELOX in patients with previously untreated v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog (KRAS) wild type mCRC...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27474080/pretreatment-serum-folate-levels-and-toxicity-efficacy-in-colorectal-cancer-patients-treated-with-5-fluorouracil-and-folinic-acid
#16
Michael Yan, Cheryl Ho, Eric Winquist, Derek Jonker, Daniel Rayson, Larry Stitt, Sonya Tokmakejian, Anna Tomiak, Mark D Vincent
BACKGROUND: 5-Fluorouracil (5-FU) chemotherapy is associated with severe and unpredictable toxicity in a significant proportion of patients. 5,10-Methylenetetrahydrofolate and 5-fluorodeoxyuridine monophosphate bind to thymidylate synthase and together inhibit its function, resulting in cytotoxicity. We hypothesized that susceptibility to 5-FU toxicity might be related to individual differences in the serum components of folate metabolism affecting intracellular 5,10-methylenetetrahydrofolate levels...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27435761/association-between-proton-pump-inhibitors-and-metronomic-capecitabine-as-salvage-treatment-for-patients-with-advanced-gastrointestinal-tumors-a-randomized-phase-ii-trial
#17
Paolo Marchetti, Annalisa Milano, Chiara D'Antonio, Adriana Romiti, Rosa Falcone, Michela Roberto, Stefano Fais
The acidification of extracellular compartment represents a conceivable mechanism of drug resistance in malignant cells. In addition, it has been reported to drive proliferation and promote invasion and metastasis. Experimental evidence has shown that proton pump inhibitors can counteract tumor acidification and restore sensitivity to anticancer drugs. Moreover, early clinical data have supported the role of proton pump inhibitors in anticancer treatments. Metronomic capecitabine has demonstrated beneficial effects as salvage chemotherapy for heavily pretreated or frail patients with gastrointestinal cancer...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27324983/tas-102-safety-in-metastatic-colorectal-cancer-results-from-the-first-postmarketing-surveillance-study
#18
Takayuki Yoshino, Hiroyuki Uetake, Naohiro Fujita, Takaaki Furuta, Jun Katori, Naoko Hara, Kei Muro
BACKGROUND: Unexpected toxicities of newly approved drugs might be revealed in clinical practice after market launch. This postmarketing surveillance study investigated expected and unexpected adverse drug reactions (ADRs) of TAS-102 in clinical practice in the first 6 months after market launch. PATIENTS AND METHODS: All metastatic colorectal cancer (mCRC) patients (pts) received TAS-102 35 mg/m(2) as a starting dose orally twice daily for 5 consecutive days, with 2 days of rest per week for 2 weeks, followed by a 14-day rest period...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27316919/interim-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-to-predict-pathologic-response-to-preoperative-chemoradiotherapy-and-prognosis-in-patients-with-locally-advanced-rectal-cancer
#19
Phillip J Koo, Seong-Jang Kim, Samuel Chang, Jennifer J Kwak
INTRODUCTION: The goal of the present study was to investigate the predictive and prognostic values of interim fluorine-18 (18F) fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) parameters for the prediction of a complete pathologic response (pCR) in patients with locally advanced rectal cancer (LARC) who had received preoperative chemoradiotherapy (PCRT). PATIENTS AND METHODS: A total 103 patients with LARC were included in the present study...
December 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27301717/colorectal-cancer-statistics-from-the-veterans-affairs-central-cancer-registry
#20
Leah L Zullig, Valerie A Smith, George L Jackson, Susanne Danus, Merritt Schnell, Jennifer Lindquist, Dawn Provenzale, Morris Weinberger, Michael J Kelley, Hayden B Bosworth
BACKGROUND: Colorectal cancer (CRC) is a common and potentially deadly disease. Although the United States has robust cancer data reporting, information from the Department of Veterans Affairs (VA) healthcare system has often been underrepresented in national cancer data sources. We describe veterans with incident CRC in terms of their patient and tumor characteristics and mortality. PATIENTS AND METHODS: Patients diagnosed or treated with CRC at any VA institution in the fiscal years 2009 to 2012 were identified using 3 data sources: (1) VA Central Cancer Registry (VACCR); (2) VA Corporate Data Warehouse; and (3) VA Reports and Measures Portal...
December 2016: Clinical Colorectal Cancer
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