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Aspirin colorectal cancer

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https://www.readbyqxmd.com/read/28105616/-interpretation-of-the-updates-of-nccn-2017-version-1-0-guideline-for-colorectal-cancer
#1
Gong Chen
The NCCN has recently released its 2017 version 1.0 guideline for colorectal cancer. There are several updates from this new version guideline which are believed to change the current clinical practice. Update one, low-dose aspirin is recommended for patients with colorectal cancer after colectomy for secondary chemoprevention. Update two, biological agents are removed from the neoadjuvant treatment regimen for resectable metastatic colorectal cancer (mCRC). This update is based on lack of evidence to support benefits of biological agents including bevacizumab and cetuximab in the neoadjuvant setting...
January 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28089842/curbing-tumorigenesis-and-malignant-progression-through-the-pharmacological-control-of-the-wound-healing-process
#2
REVIEW
Melania Dovizio, Angela Sacco, Paola Patrignani
The prevention of cancer development and its progression is an urgent unmet medical need. Novel knowledge on the biology of cancer has evidenced that genetic changes occurring within cancer cells contribute, but are not sufficient, for tumor promotion and progression. The results of clinical studies and experimental animal models have suggested pursuing new avenues for the prevention of cancer development in the early stages, by using drugs that modulate platelet responses and those interfering with the synthesis and action of the mediators of inflammation...
January 12, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28087343/calcium-remodeling-in-colorectal-cancer
#3
REVIEW
Carlos Villalobos, Diego Sobradillo, Miriam Hernández-Morales, Lucía Núñez
: Colorectal cancer (CRC) is the third most frequent form of cancer and the fourth leading cause of cancer-related death in the world. Basic and clinical data indicate that aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) may prevent colon cancer but mechanisms remain unknown. Aspirin metabolite salicylate and other NSAIDs may inhibit tumor cell growth acting on store-operated Ca(2+) entry (SOCE), suggesting an important role for this pathway in CRC. Consistently, SOCE is emerging as a novel player in different forms of cancer, including CRC...
January 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28072768/effect-of-low-dose-aspirin-use-on-survival-of-patients-with-gastrointestinal-malignancies-an-observational-study
#4
M A Frouws, E Bastiaannet, R E Langley, W K Chia, M P P van Herk-Sukel, V E P P Lemmens, H Putter, H H Hartgrink, B A Bonsing, C J H Van de Velde, J E A Portielje, G J Liefers
BACKGROUND: Previous studies suggested a relationship between aspirin use and mortality reduction. The mechanism for the effect of aspirin on cancer outcomes remains unclear. The aim of this study was to evaluate aspirin use and survival in patients with gastrointestinal tract cancer. METHODS: Patients with gastrointestinal tract cancer diagnosed between 1998 and 2011 were included. The population-based Eindhoven Cancer Registry was linked to drug-dispensing data from the PHARMO Database Network...
January 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28067282/gastroprotective-6-gingerol-aspirinate-as-a-novel-chemopreventive-prodrug-of-aspirin-for-colon-cancer
#5
Yingdong Zhu, Fang Wang, Yantao Zhao, Pei Wang, Shengmin Sang
A growing body of research suggests daily low-dose aspirin (ASA) reduces heart diseases and colorectal cancers. However, the major limitation to the use of aspirin is its side effect to cause ulceration and bleeding in the gastrointestinal tract. Preclinical studies have shown that ginger constituents ameliorate ASA-induced gastric ulceration. We here report the design and synthesis of a novel prodrug of aspirin, [6]-gingerol aspirinate (GAS). Our data show that GAS exerts enhanced anti-cancer properties in vitro and superior gastroprotective effects in mice...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28051316/phytochemical-investigations-of-three-rhodocodon-hyacinthaceae-sensu-apg-ii-species
#6
Sianne Schwikkard, Alaa Alqahtani, Walter Knirsch, Wolfgang Wetschnig, Andrius Jaksevicius, Elizabeth I Opara, Moses K Langat, Jackie L Andriantiana, Dulcie A Mulholland
The genus Rhodocodon (Hyacinthaceae sensu APG II) is endemic to Madagascar, and its phytochemistry has not been described previously. The phytochemistry of three species in this genus has been investigated, and eight compounds, including three bufadienolides (compounds 1, 4, and 5), a norlignan (2), and four homoisoflavonoids (compounds 3 and 6-8), have been isolated and identified. Compounds 1-3 and 6-8 have not been described previously. The COX-2 inhibitory activity of compound 6 and compound 7 acetate (compound 7A) was investigated on isolated colorectal cancer cells...
January 4, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28002874/high-serum-alanine-aminotransferase-is-associated-with-the-risk-of-colorectal-adenoma-in-korean-men
#7
Chang Mo Moon, Kyung Eun Yun, Seungho Ryu, Yoosoo Chang, Dong Il Park
BACKGROUND AND AIM: An elevated alanine aminotransferase (ALT) is frequently observed in subjects with metabolic syndrome, which is associated with the risk of colorectal adenoma (CRA). However, the relationship between ALT and CRA remains unclear. Therefore, we aimed to investigate whether high serum ALT is associated with the risk of CRA in a metabolically healthy population. METHODS: We conducted this cross-sectional study in 27,717 asymptomatic Korean adults who underwent a health checkup...
December 21, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27998883/unlocking-aspirin-s-chemopreventive-activity-role-of-irreversibly-inhibiting-platelet-cyclooxygenase-1
#8
Lenard M Lichtenberger, Dexing Fang, Roger J Bick, Brain J Poindexter, Tri Phan, Angela L Bergeron, Subhashree Pradhan, Elizabeth J Dial, K Vinod Vijayan
The mechanism by which aspirin consumption is linked to significant reductions in the incidence of multiple forms of cancer and metastatic spread to distant tissues, resulting in increased cancer patient survival is not well understood. In this study, using colon cancer as an example, we provide both in vitro (cell culture) and in vivo (chemically-induced mouse model of colon cancer) evidence that this profound anti-neoplastic action may be associated with aspirin's ability to irreversibly inhibit COX-1 mediated platelet activation, thereby blocking platelet-cancer cell interactions, which promote cancer cell number and invasive potential...
December 20, 2016: Cancer Prevention Research
https://www.readbyqxmd.com/read/27990589/approach-to-lynch-syndrome-for-the-gastroenterologist
#9
REVIEW
Quan M Bui, David Lin, Wendy Ho
Lynch syndrome is an autosomal-dominant hereditary cancer syndrome. Mutations in mismatch repair genes, including MLH1, MSH2, MSH6, and PMS2, are implicated in the pathogenesis of the syndrome through microsatellite instability (MSI) and a rapid adenoma-carcinoma sequence. The primary methodologies for diagnosis include clinical criteria (Amsterdam I/II, Revised Bethesda Guidelines), computational models, and genetic testing (MSI, immunohistochemistry, germline testing). Universal genetic testing of colorectal cancers has gained popularity as a method to identify high-risk individuals and to offer appropriate cancer surveillance, psychological reassurance, and family planning...
December 18, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27941880/different-in-vivo-and-in-vitro-transformation-of-intestinal-stem-cells-in-mismatch-repair-deficiency
#10
K Keysselt, T Kreutzmann, K Rother, C Kerner, K Krohn, J Przybilla, P Buske, H Löffler-Wirth, M Loeffler, J Galle, G Aust
Mutations in mismatch repair (MMR) genes result in microsatellite instability (MSI) and early onset of colorectal cancer. To get mechanistic insights into the time scale, sequence and frequency of intestinal stem cell (ISC) transformation, we quantified MSI and growth characteristics of organoids of Msh2-deficient and control mice from birth until tumor formation and related them to tissue gene expression. Although in Msh2-deficient organoids MSI continuously increased from birth, growth characteristics remained stable at first...
December 12, 2016: Oncogene
https://www.readbyqxmd.com/read/27929225/aspirin-use-for-the-primary-prevention-of-cardiovascular-disease-and-colorectal-cancer
#11
Robert J McNellis, Vincent Beswick-Escanlar
No abstract text is available yet for this article.
October 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27929224/aspirin-use-for-the-primary-prevention-of-cardiovascular-disease-and-colorectal-cancer-recommendation-statement
#12
(no author information available yet)
No abstract text is available yet for this article.
October 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27920693/capecitabine-induced-coronary-vasospasm
#13
Danish Henry, Francine Rudzik, Allison Butts, Aju Mathew
Capecitabine, an oral prodrug of 5-fluorouracil (5-FU), is approved for early-stage and advanced colorectal cancer and metastatic breast cancer. Cardiotoxicity of 5-FU is well described in the literature. However, cardiac adverse effects of capecitabine are poorly described. We report a case of coronary vasospasm induced by capecitabine. A 41-year-old female with metastatic breast cancer presented with chest pain 3 days after starting capecitabine. The chest pain was relieved by rest and exacerbated by exertion...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27919915/chemoprevention-of-colorectal-cancer-in-individuals-with-previous-colorectal-neoplasia-systematic-review-and-network-meta-analysis
#14
Parambir S Dulai, Siddharth Singh, Evelyn Marquez, Rohan Khera, Larry J Prokop, Paul J Limburg, Samir Gupta, Mohammad Hassan Murad
OBJECTIVE:  To assess the comparative efficacy and safety of candidate agents (low and high dose aspirin, non-aspirin non-steroidal anti-inflammatory drugs (NSAIDs), calcium, vitamin D, folic acid, alone or in combination) for prevention of advanced metachronous neoplasia (that is, occurring at different times after resection of initial neoplasia) in individuals with previous colorectal neoplasia, through a systematic review and network meta-analysis. DATA SOURCES:  Medline, Embase, Web of Science, from inception to 15 October 2015; clinical trial registries...
December 5, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27859470/non-alcoholic-fatty-liver-diseases-and-risk-of-colorectal-neoplasia
#15
J S Ahn, D H Sinn, Y W Min, S N Hong, H S Kim, S-H Jung, S Gu, P-L Rhee, S W Paik, H J Son, G-Y Gwak
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is associated with colorectal neoplasia. Yet, NAFLD ranges from simple steatosis to steatohepatitis with advanced fibrosis. AIM: To investigate the risk of colorectal neoplasia according to the presence and severity of NAFLD. METHODS: A total of 26 540 asymptomatic adults who underwent same day first-time colonoscopy and abdominal ultrasonography as a health check-up programme were analysed...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27859394/systematic-review-with-meta-analysis-the-comparative-effectiveness-of-aspirin-vs-screening-for-colorectal-cancer-prevention
#16
REVIEW
L Emilsson, Ø Holme, M Bretthauer, N R Cook, J E Buring, M Løberg, H-O Adami, H D Sesso, M J Gaziano, M Kalager
BACKGROUND: Both aspirin use and screening with flexible sigmoidoscopy or guaiac faecal occult blood testing (FOBT) may reduce mortality from colorectal cancer, but comparative effectiveness of these interventions is unknown. AIM: To compare aspirin to guaiac FOBT screening with regard to incidence and mortality of colorectal cancer in a network meta-analysis. METHODS: We searched Medline, EMBASE and the COCHRANE central register (CENTRAL) for relevant randomised trials identified until 31 October 2015...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27845951/does-low-dose-aspirin-use-for-cardiovascular-disease-prevention-reduce-colorectal-cancer-deaths-a-comparison-of-two-cohorts-in-the-florence-district-italy
#17
Leonardo Ventura, Guido Miccinesi, Alessandro Barchielli, Gianfranco Manneschi, Donella Puliti, Paola Mantellini, Francesco Orso, Marco Zappa
Aspirin has been associated with reduced incidence and mortality of colorectal and a few other cancers. The aim of our paper was to study the effect of low-dose aspirin intake on cancer mortality in a population-based cohort study. The study included inhabitants of the Florence district (Italy) at the beginning of 2007. We considered two cohorts: patients who received prescriptions of low-dose aspirin for the whole year and patients who did not have any prescriptions over the same period. We followed the two cohorts until 31 December 2013...
November 14, 2016: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/27837443/do-cancer-survivors-develop-healthier-lifestyle-behaviors-than-the-cancer-free-population-in-the-plco-study
#18
Makenzie L Hawkins, Saundra S Buys, Lisa H Gren, Sara E Simonsen, Anne C Kirchhoff, Mia Hashibe
BACKGROUND: Current studies report mixed results in health status and health behaviors after a diagnosis of cancer. The aim of our study is to investigate potential differences in lifestyle factors among cancer survivors and cancer-free individuals in a prospective cohort study conducted in the United States. METHODS: Using data from the Prostate, Lung, Colorectal and Ovarian (PLCO) Trial, 10,133 cancer survivors were identified and compared to 81,992 participants without cancer to evaluate differences in body mass index (BMI), smoking, NSAID use, and physical activity...
November 11, 2016: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/27835884/combination-of-cox-2-expression-and-pik3ca-mutation-as-prognostic-and-predictive-markers-for-celecoxib-treatment-in-breast-cancer
#19
Sandrine Tury, Véronique Becette, Franck Assayag, Sophie Vacher, Camille Benoist, Maud Kamal, Elisabetta Marangoni, Ivan Bièche, Florence Lerebours, Céline Callens
COX-2 expression level and prognostic value are still a matter of debate in breast cancer (BC). We addressed these points in the context of PIK3CA mutational status. Based on an interesting study of aspirin efficacy in colorectal cancer, we hypothesized that celecoxib antitumoral activity may be restricted to PIK3CA mutated BC.COX-2 mRNA expression was analyzed in 446 BC samples and in 61 BC patient-derived xenografts (PDX) using quantitative RT-PCR. The prognostic impact of COX-2 expression level was assessed independently and according to PIK3CA mutational status in our cohort and in a validation set of 817 BC...
November 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27789660/does-aspirin-use-reduce-the-risk-for-cancer
#20
Usman Iqbal, Hsuan-Chia Yang, Wen-Shan Jian, Yun Yen, Yu-Chuan Jack Li
Recently, studies have reported that aspirin has chemopreventive properties. In this study, we used the Taiwan NHI database, which covers a population of 23 million (99.99%) Taiwanese from 2001 to 2011. This was a case-control study which identified 601,733 patients using ICD-9-CM codes who were diagnosed with cancer. Each case with 4 eligible controls was matched for age, sex, and index date and adjusted for confounding factors. The observed overall cancer risk (adjusted OR (AOR), 0.95; 95% CI 0.94 to 0.96) reduced with aspirin use, specifically, colorectal (AOR, 0...
October 27, 2016: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
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