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https://www.readbyqxmd.com/read/28441381/text-message-reminders-in-colorectal-cancer-screening-triccs-a-randomised-controlled-trial
#1
Yasemin Hirst, Hanna Skrobanski, Robert S Kerrison, Lindsay C Kobayashi, Nicholas Counsell, Natasha Djedovic, Josephine Ruwende, Mark Stewart, Christian von Wagner
BACKGROUND: We investigated the effectiveness of a text-message reminder to improve uptake of the English Bowel Cancer Screening programme in London. METHODS: We performed a randomised controlled trial across 141 general practices in London. Eight thousand two hundred sixty-nine screening-eligible adults (aged 60-74 years) were randomised in a 1 : 1 ratio to receive either a text-message reminder (n=4134) or no text-message reminder (n=4135) if they had not returned their faecal occult blood test kit within 8 weeks of initial invitation...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28440872/lay-health-educators-and-print-materials-for-the-promotion-of-colorectal-cancer-screening-among-korean-americans-a-randomized-comparative-effectiveness-study
#2
Angela M Jo, Tung T Nguyen, Susan Stewart, Min J Sung, Ginny Gildengorin, Janice Y Tsoh, Elisa K Tong, Penny Lo, Charlene Cuaresma, Angela Sy, Hy Lam, Ching Wong, Matthew Jeong, Moon S Chen, Marjorie Kagawa-Singer
BACKGROUND: Colorectal cancer (CRC) is the second most commonly diagnosed cancer among Korean American men and women. Although CRC screening is effective in reducing the burden of this disease, studies have shown that Korean Americans have low screening rates. METHODS: The authors conducted a 2-arm cluster randomized controlled trial comparing a brochure (print) with a brochure and lay health educator (LHE) outreach (print + LHE) in increasing CRC screening rates among Korean American individuals...
April 25, 2017: Cancer
https://www.readbyqxmd.com/read/28439739/medical-mistrust-and-colorectal-cancer-screening-among-african-americans
#3
REVIEW
Leslie B Adams, Jennifer Richmond, Giselle Corbie-Smith, Wizdom Powell
Despite well-documented benefits of colorectal cancer (CRC) screening, African Americans are less likely to be screened and have higher CRC incidence and mortality than Whites. Emerging evidence suggests medical mistrust may influence CRC screening disparities among African Americans. The goal of this systematic review was to summarize evidence investigating associations between medical mistrust and CRC screening among African Americans, and variations in these associations by gender, CRC screening type, and level of mistrust...
April 24, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28439604/emergency-presentation-of-colorectal-cancer-in-northwestern-saudi-arabia
#4
Ibrahim A Albalawi, Ahmad A Abdullah, Mohammed E Mohammed
To investigate the frequency and clinical characteristics of emergency presentation of colorectal carcinoma (CRC) in Tabuk Region of Saudi Arabia.  Methods: This is a retrospective, descriptive hospital-based study. All cases with CRC that presented to the main referral hospitals in Tabuk, Saudi Arabia between 2010 and 2015 were retrieved. The relevant hospitals are: King Salman Military Hospital, King Khalid Hospital, and King Fahad Hospital.  Results: Seventy-three patients were included in the study...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28438617/tumor-budding-as-a-risk-factor-for-nodal-metastasis-in-pt1-colorectal-cancers-a-meta-analysis
#5
Rocco Cappellesso, Claudio Luchini, Nicola Veronese, Marcello Lo Mele, Erik Rosa-Rizzotto, Ennio Guido, Franca De Lazzari, Pierluigi Pilati, Fabio Farinati, Stefano Realdon, Marco Solmi, Matteo Fassan, Massimo Rugge
Worldwide, colorectal cancer (CRC) screening programs have significantly increased the detection of sub-mucosal (pT1) adenocarcinoma. Completion surgery may be indicated after endoscopic excision of these potentially metastasizing early cancers. However, the post-surgical prevalence of nodal implants does not exceed 15%, leading to questions concerning the clinical appropriateness of any post-endoscopy surgery. Eastern scientific societies (Japanese Society for Cancer of the Colon-Rectum, in particular) include tumor budding (TB), defined as the presence of isolated single cancer cells or clusters of fewer than five cancer cells at the tumor invasive front, among the variables that must be included in histological reports...
April 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28436468/higher-risk-of-colorectal-cancer-in-patients-with-newly-diagnosed-diabetes-mellitus-before-the-age-of-colorectal-cancer-screening-initiation
#6
Sander de Kort, Ad A M Masclee, Silvia Sanduleanu, Matty P Weijenberg, Myrthe P P van Herk-Sukel, Nico J J Oldenhof, Joop P W van den Bergh, Harm R Haak, Maryska L Janssen-Heijnen
Type 2 diabetes mellitus (T2DM) is associated with greater risk for colorectal cancer (CRC). The age of onset of T2DM is decreasing worldwide. An increased CRC risk in young T2DM patients could be relevant for the age at which to initiate CRC screening. We report on CRC risk in T2DM patients with attention to age of diagnosis. We used pharmacy data (from 1998 to 2010) from the PHARMO Database Network linked to the Eindhoven Cancer Registry. Multivariable time-dependent Cox regression analyses were conducted to calculate hazard ratios (HR) for developing CRC comparing T2DM with non-T2DM...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28433614/association-between-breast-cancer-and-the-risk-of-colorectal-cancer-systematic-review-and-meta-analysis
#7
REVIEW
Jennifer H Lai, Gavin Park, Lauren B Gerson
BACKGROUND: The prior literature has suggested a potential increase in colorectal cancer (CRC) among patients with breast cancer. METHODS: We performed a systematic review of the literature and included 37 retrospective cohort studies and 8 case-control studies. The primary aim was to determine the prevalence of CRC. Secondary aims included analysis of adenomatous polyps and analysis of CRC prevalence by age. We calculated pooled prevalence rates and odds ratios using random effects models with 95% confidence intervals (CI)...
April 19, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28431951/public-health-impact-of-colonoscopy-use-on-colorectal-cancer-mortality-in-germany-and-the-united-states
#8
Chen Chen, Christian Stock, Michael Hoffmeister, Hermann Brenner
BACKGROUND AND AIMS: Colonoscopy has been demonstrated to be effective in reducing colorectal cancer (CRC) incidence and mortality, and has been widely used for primary CRC screening in Germany and the United States. We performed a population-based analysis to evaluate and compare the public health impact of recent colonoscopy use on CRC deaths among adults aged 55 to 79 years in Germany and the United States from 2008 to 2011. METHODS: The epidemiologic metrics of attributable fraction and prevented fraction as well as the impact numbers were calculated using colonoscopy utilization data from nationally representative health surveys, relative risk estimates from medical literature, and CRC death registry data...
April 18, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28431245/host-microbe-co-metabolism-dictates-cancer-drug-efficacy-in-c-%C3%A2-elegans
#9
Timothy A Scott, Leonor M Quintaneiro, Povilas Norvaisas, Prudence P Lui, Matthew P Wilson, Kit-Yi Leung, Lucia Herrera-Dominguez, Sonia Sudiwala, Alberto Pessia, Peter T Clayton, Kevin Bryson, Vidya Velagapudi, Philippa B Mills, Athanasios Typas, Nicholas D E Greene, Filipe Cabreiro
Fluoropyrimidines are the first-line treatment for colorectal cancer, but their efficacy is highly variable between patients. We queried whether gut microbes, a known source of inter-individual variability, impacted drug efficacy. Combining two tractable genetic models, the bacterium E. coli and the nematode C. elegans, we performed three-way high-throughput screens that unraveled the complexity underlying host-microbe-drug interactions. We report that microbes can bolster or suppress the effects of fluoropyrimidines through metabolic drug interconversion involving bacterial vitamin B6, B9, and ribonucleotide metabolism...
April 20, 2017: Cell
https://www.readbyqxmd.com/read/28428902/nonfamilial-juvenile-polyposis-syndrome-with-exon-5-novel-mutation-in-smad-4-gene
#10
Amna Ahmed, Badr Alsaleem
Juvenile polyposis syndrome (JPS) is a rare autosomal dominant hereditary disorder, characterized by multiple juvenile polyps in the gastrointestinal tract and an increased risk of colorectal cancer. JPS is most frequently caused by mutations in the SMAD4 or BMPR1A genes. Herein, we report a child with juvenile polyposis syndrome (JPS) with a novel mutation in the SMAD4 gene. An 8-year-old boy presented with recurrent rectal bleeding and was found to have multiple polyps in the entire colon. The histology of the resected polyps was consistent with juvenile polyps...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28428185/investments-in-cancer-research-awarded-to-uk-institutions-and-the-global-burden-of-cancer-2000-2013-a-systematic-analysis
#11
Mahiben Maruthappu, Michael G Head, Charlie D Zhou, Barnabas J Gilbert, Majd A El-Harasis, Rosalind Raine, Joseph R Fitchett, Rifat Atun
OBJECTIVES: To systematically categorise cancer research investment awarded to United Kingdom (UK) institutions in the period 2000-2013 and to estimate research investment relative to disease burden as measured by mortality, disability-adjusted life years (DALYs) and years lived with disability (YLDs). DESIGN: Systematic analysis of all open-access data. SETTING AND PARTICIPANTS: Public and philanthropic funding to all UK cancer research institutions, 2000-2013...
April 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28428142/increased-rate-of-adenoma-detection-associates-with-reduced-risk-of-colorectal-cancer-and-death
#12
M F Kaminski, P Wieszczy, M Rupinski, U Wojciechowska, J Didkowska, E Kraszewska, J Kobiela, R Franczyk, M Rupinska, B Kocot, A Chaber-Ciopinska, J Pachlewski, M Polkowski, J Regula
BACKGROUND & AIMS: Quality of endoscopists' performance of colonoscopy is measured by adenoma detection rate (ADR). Although ADR is inversely associated with interval colorectal cancer and colorectal cancer death, the effects of increasing ADR have not been demonstrated. We investigated whether increasing ADRs from individual endoscopists associates with reduced risks of interval colorectal cancer and subsequent death METHODS: We performed a prospective cohort study of individuals who underwent screening colonoscopy within the National Colorectal Cancer Screening Program in Poland, from January 1, 2004 through December 31, 2008...
April 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28427954/colorectal-cancer-screening-initiation-after-age-50-years-in-an-organized-program
#13
Stacey A Fedewa, Douglas A Corley, Christopher D Jensen, Wei Zhao, Michael Goodman, Ahmedin Jemal, Kevin C Ward, Theodore R Levin, Chyke A Doubeni
INTRODUCTION: Recent studies report racial disparities among individuals in organized colorectal cancer (CRC) programs; however, there is a paucity of information on CRC screening utilization by race/ethnicity among newly age-eligible adults in such programs. METHODS: This was a retrospective cohort study among Kaiser Permanente Northern California enrollees who turned age 50 years between 2007 and 2012 (N=138,799) and were served by a systemwide outreach and facilitated in-reach screening program based primarily on mailed fecal immunochemical tests to screening-eligible people...
April 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28427191/down-regulation-of-long-non-coding-rna-rp11-708h21-4-is-associated-with-poor-prognosis-for-colorectal-cancer-and-promotes-tumorigenesis-through-regulating-akt-mtor-pathway
#14
Longci Sun, Chunhui Jiang, Chunjie Xu, Hanbing Xue, Hong Zhou, Lei Gu, Ye Liu, Qing Xu
Long non-coding RNAs (lncRNAs) serve critical roles in cancer development and progression. Herein, through next generation RNA sequencing and experimental validations, we determined the expression status of RP11-708H21.4 in colorectal cancer (CRC) and explored its clinical significance and biological functions in CRC. Differentially expressed lncRNAs from CRC samples and corresponding normal mucosa tissues was screened through RNA sequencing, and RP11-708H21.4 was selected for further experimental validation...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427088/a-phase-2-study-of-temozolomide-in-pretreated-metastatic-colorectal-cancer-with-mgmt-promoter-methylation
#15
M A Calegari, A Inno, S Monterisi, A Orlandi, D Santini, M Basso, A Cassano, M Martini, T Cenci, I de Pascalis, F Camarda, B Barbaro, L M Larocca, S Gori, G Tonini, C Barone
BACKGROUND: Presently, few options are available for refractory colorectal cancer (CRC). O6-methyl-guanine-DNA-methyltransferase (MGMT) promoter methylation is a frequent and early event in CRC tumourigenesis. This epigenetic silencing is a predictor of response to the alkylating drug temozolomide in glioblastoma. Preclinical evidences and some case reports showed temozolomide activity in CRC with MGMT silencing, but the available data from clinical trials are inconsistent. METHODS: This was a multicentre, phase 2 trial, planned according to a two-stage Simon's optimal design to investigate activity and safety of temozolomide in refractory CRC harbouring MGMT promoter methylation...
April 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28425241/incidence-of-cancer-in-the-turkish-republic-of-northern-cyprus
#16
Ruqiya Pervaiz, Pınar Tulay, Faisal Faisal, Nedime Serakinci
BACKGROUND/AIM: This study analyzed the incidence, trends, and common types of cancer in the Turkish Republic of Northern Cyprus (TRNC). MATERIALS AND METHODS: This study is based on data collected from the office of the North Cyprus Cancer Registry, Ministry of Health, for 2007-2012. Data were arranged on the basis of age group, sex, and cancer site. Age standardized incidence rates (ASRs) were estimated with the world standard population. EVIEWS (version 9) software was used for statistical analysis...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424419/integrated-analysis-of-genes-associated-with-poor-prognosis-of-patients-with-colorectal-cancer-liver-metastasis
#17
Zhenyuan Qian, Guobing Zhang, Guangyuan Song, Ji Shi, Lijie Gong, Yiping Mou, Yong Han
Colorectal cancer (CRC) is one of the most common malignances in the gut. Liver is the most common metastasis site of CRC. This study focuses on the primary CRC and its liver metastasis, aiming to discover several liver metastasis related genes and provide therapeutic candidates. We compared gene expression patterns among the groups of normal colorectal mucosa, primary tumor and the liver metastasis using a CRC gene expression dataset. 84 genes were found to be upregulated in both primary tumor and liver metastases...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424201/pik3ca-mutations-contribute-to-acquired-cetuximab-resistance-in-metastatic-colorectal-cancer-patients
#18
Jian Ming Xu, Yan Wang, You-Liang Wang, Yan Wang, Tao Liu, Ming Ni, Man-Sheng Li, Li Lin, Fei-Jiao Ge, Chun Gong, Jun-Yan Gu, Ru Jia, He-Fei Wang, Yu Ling Chen, Rong-Rui Liu, Chuan-Hua Zhao, Zhao-Li Tan, Yang Jin, Yunping Zhu, Shuji Ogino, Zhi Rong Qian
<p>Mutations in KRAS are considered to be the main drivers of acquired resistance to epidermal growth factor receptor (EGFR) blockade in patients with metastatic colorectal cancer (mCRC). However, the potential roles of other genes downstream of the EGFR signaling pathway in conferring acquired resistance has not been extensively investigated.</p> <br /><br />Experimental Design: <p>Using circulating tumor DNA (ctDNA) from patients with mCRC and with acquired cetuximab resistance, we developed a targeted amplicon ultra-deep sequencing method to screen for low-abundance somatic mutations in a panel of genes that encode components of the EGFR signaling pathway...
April 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28423643/pole-and-pold1-screening-in-155-patients-with-multiple-polyps-and-early-onset-colorectal-cancer
#19
Clara Esteban-Jurado, David Giménez-Zaragoza, Jenifer Muñoz, Sebastià Franch-Expósito, Miriam Álvarez-Barona, Teresa Ocaña, Miriam Cuatrecasas, Sabela Carballal, María López-Cerón, Maria Marti-Solano, Marcos Díaz-Gay, Tom van Wezel, Antoni Castells, Luis Bujanda, Judith Balmaña, Victoria Gonzalo, Gemma Llort, Clara Ruiz-Ponte, Joaquín Cubiella, Francesc Balaguer, Rosa Aligué, Sergi Castellví-Bel
Germline mutations in POLE and POLD1 have been shown to cause predisposition to colorectal multiple polyposis and a wide range of neoplasms, early-onset colorectal cancer being the most prevalent. In order to find additional mutations affecting the proofreading activity of these polymerases, we sequenced its exonuclease domain in 155 patients with multiple polyps or an early-onset colorectal cancer phenotype without alterations in the known hereditary colorectal cancer genes. Interestingly, none of the previously reported mutations in POLE and POLD1 were found...
March 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423551/metabolic-reprogramming-of-the-premalignant-colonic-mucosa-is-an-early-event-in-carcinogenesis
#20
Mart Dela Cruz, Sarah Ledbetter, Sanjib Chowdhury, Ashish K Tiwari, Navneet Momi, Ramesh K Wali, Charles Bliss, Christopher Huang, David Lichtenstein, Swati Bhattacharya, Anisha Varma-Wilson, Vadim Backman, Hemant K Roy
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related mortality in the United States. There is an increasing need for the identification of biomarkers of pre-malignant and early stage CRC to improve risk-stratification and screening recommendations. In this study, we investigated the possibility of metabolic and mitochondrial reprogramming early in the pre-malignant colorectal field. METHODS: Rectal biopsies were taken from 81 patients undergoing screening colonoscopy, and gene expression of metabolic and mitochondrial markers were assessed using real time quantitative PCR...
March 28, 2017: Oncotarget
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