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Colorectal cancer blood tests

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https://www.readbyqxmd.com/read/28735041/self-assembled-polypeptide-nanoparticles-for-intracellular-irinotecan-delivery
#1
N N Zashikhina, M V Volokitina, V A Korzhikov-Vlakh, I I Tarasenko, A Lavrentieva, T Scheper, E Rhuel, R V Orlova, T B Tennikova, E G Korzhikova-Vlakh
In this research poly(l-lysine)-b-poly(l-leucine) (PLys-b-PLeu) polymersomes were developed. It was shown that the size of nanoparticles depended on pH of self-assembly process and varied from 180 to 650nm. The biodegradation of PLys-b-PLeu nanoparticles was evaluated using in vitro polypeptide hydrolysis in two model enzymatic systems, as well as in human blood plasma. The experiments of the visualization of cellular uptake of rhodamine 6g-loaded and fluorescein-labeled nanoparticles were carried out, which approved the possibility of their penetration into the cells...
July 19, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28733869/bmi-is-a-risk-factor-for-colorectal-cancer-mortality
#2
Aasma Shaukat, Allison Dostal, Jeremiah Menk, Timothy R Church
BACKGROUND: The relationship between dietary and lifestyle risk factors and long-term mortality from colorectal cancer is poorly understood. Several factors, such as obesity, intakes of red meat, and use of aspirin, have been reported to be associated with risk of colorectal cancer mortality, though these findings have not been replicated in all studies to date. METHODS: In the Minnesota Colon Cancer Control Study, 46,551 participants 50-80 years old were randomly assigned to usual care (control) or annual or biennial screening by fecal occult blood testing...
July 21, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28730505/stool-based-testing-for-colorectal-cancer-an-overview-of-available-evidence
#3
REVIEW
Kevin M Rank, Aasma Shaukat
PURPOSE OF REVIEW: The goal of this review is to summarize stool-based testing for colorectal cancer (CRC). The key questions answered in this review were the advantages and limitations of each available stool-based test for CRC and to examine their comparative efficacy. RECENT FINDINGS: Guaiac-based fecal occult blood testing (gFOBT) is no longer a relevant test for CRC screening. fecal immunochemical testing (FIT) tests, especially quantitative assays, are clearly a reliable stool-based test...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28727540/community-based-preclinical-patient-navigation-for-colorectal-cancer-screening-among-older-black-men-recruited-from-barbershops-the-mister-b-trial
#4
Helen Cole, Hayley S Thompson, Marilyn White, Ruth Browne, Chau Trinh-Shevrin, Scott Braithwaite, Kevin Fiscella, Carla Boutin-Foster, Joseph Ravenell
OBJECTIVES: To test the effectiveness of a preclinical, telephone-based patient navigation intervention to encourage colorectal cancer (CRC) screening among older Black men. METHODS: We conducted a 3-parallel-arm, randomized trial among 731 self-identified Black men recruited at barbershops between 2010 and 2013 in New York City. Participants had to be aged 50 years or older, not be up-to-date on CRC screening, have uncontrolled high blood pressure, and have a working telephone...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28721099/sociodemographic-characteristics-of-nonparticipants-in-the-danish-colorectal-cancer-screening-program-a-nationwide-cross-sectional-study
#5
Mette Bach Larsen, Ellen M Mikkelsen, Morten Rasmussen, Lennart Friis-Hansen, Anders U Ovesen, Hans Bjarke Rahr, Berit Andersen
INTRODUCTION: Fecal occult blood tests are recommended for colorectal cancer (CRC) screening in Europe. Recently, the fecal immunochemical test (FIT) has come into use. Sociodemographic differences between participants and nonparticipants may be less pronounced when using FIT as there are no preceding dietary restrictions and only one specimen is required. The aim of this study was to examine the associations between sociodemographic characteristics and nonparticipation for both genders, with special emphasis on those who actively unsubscribe from the program...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/28710725/clinicopathologic-parameters-associated-with-postoperative-complications-and-risk-factors-for-tumor-recurrence-and-mortality-after-tumor-resection-of-patients-with-colorectal-cancer
#6
Z Bai, J Wang, T Wang, Y Li, X Zhao, G Wu, Y Yang, W Deng, Z Zhang
OBJECTIVE: To delineate the association of postoperative complications with clinicopathologic factors and to identify risk factors for tumor recurrence and mortality after tumor resection in patients with colorectal cancer (CRC). METHODS: The clinical data of 1144 patients with CRC who underwent surgical intervention between 2003 and 2013 were retrieved. Correlations of postoperative complications with clinicopathologic factors were examined using univariate analysis...
July 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28710715/clinical-utility-of-a-blood-based-protein-assay-to-increase-screening-of-elevated-risk-patients-for-colorectal-cancer-in-the-primary-care-setting
#7
John Peabody, David Paculdo, Eric Swagel, Steven Fugaro, Mary Tran
PURPOSE: Colorectal cancer (CRC) screening is effective in finding early stage CRC and dramatically improves survival rates. Despite this, the number of eligible patients who do not obtain CRC screening is unacceptably high. METHODS: We conducted a longitudinal, randomized controlled trial investigating the utility of a blood-based protein assay on the quality of care delivered by practicing PCPs in the United States. We used standardized simulated patients (CPVs), presenting with symptoms suggestive of a higher likelihood of CRC, to measure how frequently these PCPs ordered diagnostic colonoscopy...
July 14, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28705917/curative-multi-cycle-radioimmunotherapy-monitored-by-quantitative-spect-ct-based-theranostics-using-bispecific-antibody-pretargeting-strategy-in-colorectal-cancer
#8
Sarah M Cheal, Edward K Fung, Miteshkumar V Patel, Blesida Punzalan, Hong Xu, Hong-Fen Guo, Pat B Zanzonico, Sebastien Monette, Karl Dane Wittrup, Nai-Kong Cheung, Steven M Larson
Radioimmunotherapy of solid tumors using antibody-targeted radionuclides has been limited by low therapeutic indices (TI). We recently reported a novel three-step pretargeted radioimmunotherapy (PRIT) strategy based on a glycoprotein A33 (GPA33)-targeting bispecific antibody (bsAb) and a small-molecule radioactive hapten, a complex of lutetium-177 ((177)Lu) and S-2-(4-aminobenzyl)-1,4,7,10-tetraazacyclododecane tetraacetic acid ((177)Lu-DOTA-Bn) that leads to high TIs for radiosensitive tissues such as blood (TI = 73) and kidney (TI = 12)...
July 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28696184/insurance-coverage-for-ct-colonography-screening-impact-on-overall-colorectal-cancer-screening-rates
#9
Maureen A Smith, Jennifer M Weiss, Aaron Potvien, Jessica R Schumacher, Ronald E Gangnon, David H Kim, Lauren A Weeth-Feinstein, Perry J Pickhardt
Purpose To compare overall colorectal cancer (CRC) screening rates for patients who were eligible and due for CRC screening and who were with and without insurance coverage for computed tomographic (CT) colonography for CRC screening. Materials and Methods The institutional review board approved this retrospective cohort study, with a waiver of consent. This study used longitudinal electronic health record data from 2005 through 2010 for patients managed by one of the largest multispecialty physician groups in the United States...
July 11, 2017: Radiology
https://www.readbyqxmd.com/read/28689518/colon-cancer-screening-is-it-time-yet
#10
EDITORIAL
Hadi Bhurgri, Sami Samiullah
The month of March is dedicated to Colon Cancer Awareness. Worldwide, colorectal cancer (CRC) incidence has been on the rise. It is currently the third most common cancer in men (746,000 cases, 10.0% of the total) and the second in women (614,000 cases, 9.2% of the total).1 Arecent meta-analysis reported a 61% risk reduction in CRC incidence with colonoscopy.2 Unlike screening programs for breast and prostate cancers, not only has CRC screening reduced mortality from colon cancer and detected early CRC, it has also decreased the incidence of CRC through detection and removal of pre-cancerous lesions...
June 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28687458/effectiveness-of-screening-modalities-in-colorectal-cancer-a-network-meta-analysis
#11
REVIEW
Jianping Zhang, Zhiyuan Cheng, Yubao Ma, Caili He, Yongbin Lu, Yaxue Zhao, Xiaoyu Chang, Yawei Zhang, Yana Bai, Ning Cheng
The aim of the study was to evaluate on the effectiveness of screening modalities in the prevention of colorectal cancer (CRC) occurrence and deaths. General meta-analysis was performed to produce pooled estimates of the effect of CRC incidence and mortality using a search of PubMed, Web of Science, and the Cochrane Library for eligible studies from January 1992 to March 2016. A network meta-analysis was performed to synthetically compare the effectiveness of 5 frequently used screening modalities. A total of 44 studies with a focus on mortality from CRC using different screening methods were included...
April 4, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28671929/up-to-date-on-preventive-care-services-under-affordable-care-act-a-trend-analysis-from-meps-2007-2014
#12
Young-Rock Hong, Ara Jo, Arch G Mainous
BACKGROUND: The utilization of preventive care services has been less than optimal. As part of an effort to address this, the Affordable Care Act (ACA) mandated that private health insurance plans cover evidence-based preventive services. OBJECTIVES: To evaluate whether the provisions of ACA have increased being up-to-date on recommended preventive care services among privately insured individuals aged 18-64. RESEARCH DESIGN: Multivariate linear regression models were used to examine trends in prevalence of being up-to-date on selected preventive services, diagnosis of health conditions, and health expenditures between pre-ACA (2007-2010) and post-ACA (2011-2014)...
August 2017: Medical Care
https://www.readbyqxmd.com/read/28670371/circulating-tumor-cells-what-we-know-what-do-we-want-to-know-about-them-and-are-they-ready-to-be-used-in-clinics
#13
Zuzana Bielčiková, Anna Jakabová, Michael Pinkas, Milada Zemanová, Katarína Kološtová, Vladimír Bobek
Circulating tumor cells (CTC) present in peripheral blood are assigned precursors of advanced tumor disease. Simplicity of blood withdrawal procedure adds practically an unlimited possibility of the CTC-monitoring and the advantages of the repeated biopsies over time. CTC got prognostic, predictive and diagnostic status with the technologic advance. Although the clinical utility of CTC has reached the high evidence, the significance of CTC testing was presented in the treatment strategy mostly with palliative intention...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28664503/predictors-of-colorectal-cancer-knowledge-and-screening-among-asian-americans-aged-50-75-years-old
#14
Hee-Soon Juon, Jenny Guo, Jin Kim, Sunmin Lee
Colorectal cancer, the second leading cause of mortality in the USA, can be prevented with colorectal cancer screening. However, many people who should receive the screening do not get screened. To learn more, this study estimated the prevalence of up-to-date colorectal cancer (CRC) screening and examined the relationship between CRC knowledge and screening compliance among Asian Americans living in the Baltimore-Washington Metropolitan area. The study included a cross-sectional sample of 274 Chinese, Korean, and Vietnamese Americans aged 50-75 years old...
June 29, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28661203/application-of-nice-guideline-ng12-to-the-initial-assessment-of-patients-with-lower-gastrointestinal-symptoms-not-fit-for-purpose
#15
Aaron J Quyn, Robert Jc Steele, Jayne Digby, Judith A Strachan, Craig Mowat, Paula J McDonald, Francis A Carey, Ian M Godber, Hakim B Younes, Callum G Fraser
Background The National Institute for Health and Care Excellence (NICE) published NG12 in 2015. The referral criteria for suspected colorectal cancer (CRC) caused controversy, because tests for occult blood in faeces were recommended. Faecal immunochemical tests for haemoglobin (FIT), which estimate faecal haemoglobin concentrations (f-Hb), might more than fulfil the intentions. Our aim was to compare the utility of f-Hb as the initial investigation with the NICE NG12 symptom-based guidelines. Methods Data from three studies were included...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28660489/novel-approach-to-fecal-occult-blood-testing-by-assay-of-erythrocyte-specific-microrna-markers
#16
Chung Wah Wu, Xiaoming Cao, Calise K Berger, Patrick H Foote, Douglas W Mahoney, Julie A Simonson, Bradley W Anderson, Tracy C Yab, William R Taylor, Lisa A Boardman, John B Kisiel, David A Ahlquist
BACKGROUND: Fecal occult blood testing (FOBT) has historically relied on methods to detect hemoglobin with no fundamental innovations in decades. AIM: To examine microRNA (miRNA) as a new marker class for FOBT. METHODS: Candidate miRNA markers were identified by small RNA sequencing of human whole blood compared to colorectal epithelia. Markers were tested in human blood cell subsets and blood from non-human species. We assessed assay linearity in blood spiking and marker stability in stool over incubation experiments...
August 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28655982/clinical-impact-of-the-immunochemical-fecal-occult-blood-test-for-colorectal-cancer-screening-in-brazil
#17
Cláudio R Teixeira, Michele L Bonotto, Júlio P Lima, Luciana F Figueiredo, Leonardo Conrado, Carlos Frasca
BACKGROUND: Colorectal cancer (CRC) screening programs based on the fecal occult blood test (FOBT) reduce CRC mortality. We carried out an observational prospective study to determine the accuracy of immunochemical FOBTs for the detection of CRC in individuals at average risk for the disease. METHODS: This population-based study was performed between April 2015 and January 2016 in two gastroenterology referral centers in Southern Brazil. It included 1039 average-risk volunteers aged 50-75 years who were symptom-free for colonic disease...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28648086/lower-morbidity-and-improved-outcomes-in-patients-with-screen-detected-colorectal-cancer
#18
David Mansouri
Screening for colorectal cancer is now integrated into the fabric of healthcare systems across the world, as a wealth of evidence exists as regards its benefits in reducing cancer-specific mortality through the detection of early-stage disease. Options for screening include both endoscopic and stool-based tests, with a majority of countries opting for repeated faecal occult blood screening tests (FOBt). These can be either guaiac-based, as is the current system across the UK, or immunoglobulin-based, as is the case in the accompanying article from Spain...
June 26, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28644426/the-association-between-the-serum-levels-of-matrix-metalloproteinase-9-and-colorectal-cancer
#19
Ismar Rašić, Azra Rašić, Goran Akšamija, Svjetlana Radović, Nedžad Šehović
Aim To determine the serum levels of matrix metalloproteinase 9 (MMP-9) concentration and their association with the stage and histopathologic sizes of colorectal cancer (CRC). Methods One hundred and two patients with clinically diagnosed and histologically confirmed colorectal cancer ready for surgical treatment were included in the study. In each patient, preoperative peripheral venous blood samples were taken for determination of the concentration of MMP-9 using ELISA immunoassay test. Resected tumour specimens were studied pathologically according to the criteria of the TNM classification...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28643629/faecal-immunochemical-tests-to-triage-patients-with-lower-abdominal-symptoms-for-suspected-colorectal-cancer-referrals-in-primary-care-a-systematic-review-and-cost-effectiveness-analysis
#20
Marie Westwood, Isaac Corro Ramos, Shona Lang, Marianne Luyendijk, Remziye Zaim, Lisa Stirk, Maiwenn Al, Nigel Armstrong, Jos Kleijnen
BACKGROUND: Colorectal cancer (CRC) is the third most common cancer in the UK. Presenting symptoms that can be associated with CRC usually have another explanation. Faecal immunochemical tests (FITs) detect blood that is not visible to the naked eye and may help to select patients who are likely to benefit from further investigation. OBJECTIVES: To assess the effectiveness of FITs [OC-Sensor (Eiken Chemical Co./MAST Diagnostics, Tokyo, Japan), HM-JACKarc (Kyowa Medex/Alpha Laboratories Ltd, Tokyo, Japan), FOB Gold (Sentinel/Sysmex, Sentinel Diagnostics, Milan, Italy), RIDASCREEN Hb or RIDASCREEN Hb/Hp complex (R-Biopharm, Darmstadt, Germany)] for primary care triage of people with low-risk symptoms...
May 2017: Health Technology Assessment: HTA
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