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Meester RG, Lansdorp-Vogelaar I, Winawer SJ, Church TR, Allen JI, Feld AD, Mills G, Jordan PA, Corley DA, Doubeni CA, Hahn AI, Lobaugh SM, Fleisher M, O’Brien MJ, Zauber AG. Projected Colorectal Cancer Incidence and Mortality Based on Observed Adherence to Colonoscopy and Sequential Stool-Based Screening. Am J Gastroenterol 2024; 119:1392-1401. [PMID: 38318949 PMCID: PMC11222052 DOI: 10.14309/ajg.0000000000002693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/28/2023] [Indexed: 02/07/2024]
Abstract
INTRODUCTION Modeling supporting recommendations for colonoscopy and stool-based colorectal cancer (CRC) screening tests assumes 100% sequential participant adherence. The impact of observed adherence on the long-term effectiveness of screening is unknown. We evaluated the effectiveness of a program of screening colonoscopy every 10 years vs annual high-sensitivity guaiac-based fecal occult blood testing (HSgFOBT) using observed sequential adherence data. METHODS The MIcrosimulation SCreening ANalysis (MISCAN) model used observed sequential screening adherence, HSgFOBT positivity, and diagnostic colonoscopy adherence in HSgFOBT-positive individuals from the National Colonoscopy Study (single-screening colonoscopy vs ≥4 HSgFOBT sequential rounds). We compared CRC incidence and mortality over 15 years with no screening or 10 yearly screening colonoscopy vs annual HSgFOBT with 100% and differential observed adherence from the trial. RESULTS Without screening, simulated incidence and mortality over 15 years were 20.9 (95% probability interval 15.8-26.9) and 6.9 (5.0-9.2) per 1,000 participants, respectively. In the case of 100% adherence, only screening colonoscopy was predicted to result in lower incidence; however, both tests lowered simulated mortality to a similar level (2.1 [1.6-2.9] for screening colonoscopy and 2.5 [1.8-3.4] for HSgFOBT). Observed adherence for screening colonoscopy (83.6%) was higher than observed sequential HSgFOBT adherence (73.1% first round; 49.1% by round 4), resulting in lower simulated incidence and mortality for screening colonoscopy (14.4 [10.8-18.5] and 2.9 [2.1-3.9], respectively) than HSgFOBT (20.8 [15.8-28.1] and 3.9 [2.9-5.4], respectively), despite a 91% adherence to diagnostic colonoscopy with FOBT positivity. The relative risk of CRC mortality for screening colonoscopy vs HSgFOBT was 0.75 (95% probability interval 0.68-0.80). Findings were similar in sensitivity analyses with alternative assumptions for repeat colonoscopy, test performance, risk, age, and projection horizon. DISCUSSION Where sequential adherence to stool-based screening is suboptimal and colonoscopy is accessible and acceptable-as observed in the national colonoscopy study, microsimulation, comparative effectiveness, screening recommendations.
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Affiliation(s)
| | | | - Sidney J. Winawer
- Gastroenterology, Hepatology, and Nutrition Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Timothy R. Church
- Division of Environmental Health Sciences, University of Minnesota School of Public Health, and Masonic Cancer Center, Minneapolis, MN, United States
| | - John I. Allen
- Gastroenterology and Hepatology, University of Michigan School of Medicine
| | - Andrew D. Feld
- Gastroenterology Clinic, Kaiser Permanente Washington (KPWA), Seattle, WA, United States
| | - Glenn Mills
- Feist-Weiller Cancer Center, Health Department, Louisiana State University, Shreveport, LA, United States
| | - Paul A. Jordan
- Feist-Weiller Cancer Center, Health Department, Louisiana State University, Shreveport, LA, United States
| | - Douglas A. Corley
- Division of Research, Kaiser Permanente, San Francisco, CA, United States
| | | | - Anne I. Hahn
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Stephanie M. Lobaugh
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Martin Fleisher
- Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA, United States
| | - Michael J. O’Brien
- Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA, United States
| | - Ann G. Zauber
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States
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Ng L, Wong SKM, Li HS, Sin RWY, Man JHW, Lo OSH, Pang RWC, Foo DCC, Law WL. A Four-Gene Panel in Rectal Swab Samples as a Biomarker for Colorectal Cancer Screening. Cells 2024; 13:930. [PMID: 38891062 PMCID: PMC11171518 DOI: 10.3390/cells13110930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND The dysregulation of gene expression is one of the key molecular features of colorectal cancer (CRC) development. This study aimed to investigate whether such dysregulation is reflected in rectal swab specimens of CRC patients and to evaluate its potential as a non-invasive approach for screening. METHODS We compared the expression level of 14 CRC-associated genes in tumor and adjacent non-tumor tissue of CRC patients and examined the correlation of their levels in tissue with paired rectal swab specimens. The level of these 14 genes in rectal swab specimens was compared among patients with CRC or polyp and control subjects, and the diagnostic potential of each dysregulated gene and the gene panel were evaluated. RESULTS The expression of CXCR2, SAA, COX1, PPARδ, PPARγ, Groγ, IL8, p21, c-myc, CD44 and CSF1 was significantly higher in CRC, and there was a significant correlation in the levels of most of them between the CRC and rectal swab specimens. In the training study, we showed that CD44, IL8, CXCR2 and c-myc levels were significantly higher in the rectal swab specimens of the CRC patients. Such result was confirmed in the validation study. A panel of these four genes was developed, and ROC analysis showed that this four-gene panel could identify CRC patients with an AUC value of 0.83 and identify overall polyp and precancerous adenoma patients with AUC values of 0.6522 and 0.7322, respectively. Finally, the predictive study showed that the four-gene panel demonstrated sensitivities of 63.6%, 76.9% and 88.9% in identifying overall polyp, precancerous adenoma and CRC patients, respectively, whereas the specificity for normal subjects was 72.2%. CONCLUSION The expression of CRC-associated genes in rectal swab specimens reflects the dysregulation status in colorectal tissue, and the four-gene panel is a potential non-invasive biomarker for early precancerous adenoma and CRC screening.
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Affiliation(s)
- Lui Ng
- Department of Surgery, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (S.K.-M.W.); (H.-S.L.); (R.W.-Y.S.); (J.H.-W.M.); (O.S.-H.L.); (R.W.-C.P.); (D.C.-C.F.)
| | | | | | | | | | | | | | | | - Wai-Lun Law
- Department of Surgery, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (S.K.-M.W.); (H.-S.L.); (R.W.-Y.S.); (J.H.-W.M.); (O.S.-H.L.); (R.W.-C.P.); (D.C.-C.F.)
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3
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Dai JY, Georg Luebeck E, Chang ET, Clarke CA, Hubbell EA, Zhang N, Duffy SW. Strong association between reduction of late-stage cancers and reduction of cancer-specific mortality in meta-regression of randomized screening trials across multiple cancer types. J Med Screen 2024:9691413241256744. [PMID: 38797981 DOI: 10.1177/09691413241256744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
BACKGROUND Late-stage cancer incidence has been proposed as an early surrogate for mortality in randomized controlled trials (RCTs) of cancer screening; however, its validity has not been systematically evaluated across screening RCTs of different cancers. METHODS We conducted a meta-regression analysis of cancer screening RCTs that reported both late-stage cancer incidence and cancer mortality. Based on a systematic literature review, we included 33 RCTs of screening programs targeting seven cancer types, including lung (n = 12), colorectal (n = 8), breast (n = 5), and prostate (n = 4), among others. We regressed the relative reduction of cancer mortality on the relative reduction of late-stage cancer incidence, inversely weighted for each RCT by the variance of estimated mortality reduction. RESULTS Across cancer types, the relative reduction of late-stage cancer incidence was linearly associated with the relative reduction of cancer mortality. Specifically, we observed this association for lung (R2 = 0.79 and 0.996 in three recent large trials), breast (R2 = 0.94), prostate (R2 = 0.98), and colorectal cancer (R2 = 0.75 for stage III/IV cancers and 0.93 for stage IV cancers). Trials with a 20% or greater reduction in late-stage cancers were more likely to achieve a significant reduction in cancer mortality. Our results also showed that no reduction of late-stage cancer incidence was associated with no or minimal reduction in cancer mortality. CONCLUSIONS Meta-regression of historical screening RCTs showed a strong linear association between reductions in late-stage cancer incidence and cancer mortality.
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Affiliation(s)
| | | | | | | | | | | | - Stephen W Duffy
- Wolfson Institute of Population Health, Queen Mary University of London, London, UK
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4
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Lopes SR, Martins C, Santos IC, Teixeira M, Gamito É, Alves AL. Colorectal cancer screening: A review of current knowledge and progress in research. World J Gastrointest Oncol 2024; 16:1119-1133. [PMID: 38660635 PMCID: PMC11037045 DOI: 10.4251/wjgo.v16.i4.1119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/16/2024] [Accepted: 02/18/2024] [Indexed: 04/10/2024] Open
Abstract
Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide, being the third most commonly diagnosed malignancy and the second leading cause of cancer-related deaths globally. Despite the progress in screening, early diagnosis, and treatment, approximately 20%-25% of CRC patients still present with metastatic disease at the time of their initial diagnosis. Furthermore, the burden of disease is still expected to increase, especially in individuals younger than 50 years old, among whom early-onset CRC incidence has been increasing. Screening and early detection are pivotal to improve CRC-related outcomes. It is well established that CRC screening not only reduces incidence, but also decreases deaths from CRC. Diverse screening strategies have proven effective in decreasing both CRC incidence and mortality, though variations in efficacy have been reported across the literature. However, uncertainties persist regarding the optimal screening method, age intervals and periodicity. Moreover, adherence to CRC screening remains globally low. In recent years, emerging technologies, notably artificial intelligence, and non-invasive biomarkers, have been developed to overcome these barriers. However, controversy exists over the actual impact of some of the new discoveries on CRC-related outcomes and how to effectively integrate them into daily practice. In this review, we aim to cover the current evidence surrounding CRC screening. We will further critically assess novel approaches under investigation, in an effort to differentiate promising innovations from mere novelties.
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Affiliation(s)
- Sara Ramos Lopes
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
| | - Claudio Martins
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
| | - Inês Costa Santos
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
| | - Madalena Teixeira
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
| | - Élia Gamito
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
| | - Ana Luisa Alves
- Department of Gastroenterology, Centro Hospitalar de Setúbal, Setúbal 2910-446, Portugal
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Yücel M, Demirpolat MT, Yıldırak MK. Colorectal cancer screening; colonoscopy and biopsy results in people undergoing colonoscopy due to positive fecal occult blood test. Turk J Surg 2024; 40:59-64. [PMID: 39036003 PMCID: PMC11257727 DOI: 10.47717/turkjsurg.2024.6352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/14/2024] [Indexed: 07/23/2024]
Abstract
Objectives Screening programs are important for the early detection of colorectal cancer, which is one of the causes of high morbidity and mortality. In this study, we investigated the colonoscopy results, the incidence of adenoma and cancer, and the relationship between test results and cancer in individuals with a positive fecal occult blood test for colorectal cancer screening. Material and Methods Within the scope of the colorectal cancer screening program, colonoscopy was requested for individuals aged 50-70 years who applied to our outpatient clinic with a positive fecal occult blood test. The results were collected and analyzed. Results The results of the colonoscopy could be obtained in only 237 (56.43%) of the 420 patients who were referred for a colonoscopy because of a positive fecal occult blood test. Colonoscopy results were normal in 15 (6.33%), benign anal disease in 64 (27%), benign colonic disease in 12 (5.06%) and polyp + adenocarcinoma in 146 (61.61%). Pathology results were benign polyp in 37 (15.61%), adenomatous polyp in 86 (36.29%) and adenocarcinoma in 23 (9.71%). Quantitative test results were higher in the adenomatous polyp + adenocarcinoma group and statistically significant (p= 0.03). Conclusion Individuals with positive fecal occult blood tests, especially those with high quantitative test results, should be encouraged to have a colonoscopy, and they should be warned about the high probability of adenomatous polyps and colorectal cancer.
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Affiliation(s)
- Metin Yücel
- Clinic of General Surgery, Ümraniye Training and Research Hospital, İstanbul, Türkiye
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Park JH, Cho KH, Choi J, Chun S, Lee JK, Cho H, Kim B. Risk factors for colorectal cancer in a fecal immunochemical test-positive group: The National Health Insurance Service-National Health Screening Cohort. J Gastroenterol Hepatol 2024; 39:74-80. [PMID: 37855299 DOI: 10.1111/jgh.16374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/15/2023] [Accepted: 09/22/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND AND AIM Colorectal cancer (CRC) was the fourth most common cancer in Republic of Korea in 2019. It has a gradually increasing mortality rate, indicating the importance of screening for CRC. Among the various CRC screening test, fecal immunochemical test (FIT) is a simple yet most commonly used. Neverthelss, there have been only few long-term studies on subjects with FIT-positive. Therefore, in this study, we aimed to investigate the risk factors for CRC in FIT-positive patients using the National Health Insurance Service Bigdata database. METHODS Among 1 737 633 individuals with a FIT screening result for CRC in 2009, 101 143 (5.82%) were confirmed to be FIT positive. The CRC incidence over 10 years (up to 2018) of these participants was investigated using the National Cancer Registry. RESULTS Out of the 101 143 FIT-positive participants, 4395 (4.35%) were diagnosed with CRC. The FIT-positive patients who underwent a second round of screening showed a 5-year cumulative CRC incidence of approximately 1.25%, whereas those who did not showed an incidence of approximately 3.75%. Among the FIT-positive patients, the CRC incidence in the non-compliance group for the second round of screening was 2.8 times higher than that in the compliance group. CONCLUSIONS In FIT-positive participants, non-compliance with the second round of screening was identified as a major risk factor for CRC development. It is necessary to establish appropriate strategies for managing risk factors for CRC in FIT-positive patients to increase the rate of compliance with the second round of CRC screening.
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Affiliation(s)
- Joo Hyun Park
- Department of Family Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Kyung Hee Cho
- Department of Family Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Junho Choi
- Department of Family Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Sungyoun Chun
- Research Institute, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Jae Kwang Lee
- Research Institute, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Hyunsoon Cho
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea
| | - Bun Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
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Bretthauer M, Wieszczy P, Løberg M, Kaminski MF, Werner TF, Helsingen LM, Mori Y, Holme Ø, Adami HO, Kalager M. Estimated Lifetime Gained With Cancer Screening Tests: A Meta-Analysis of Randomized Clinical Trials. JAMA Intern Med 2023; 183:1196-1203. [PMID: 37639247 PMCID: PMC10463170 DOI: 10.1001/jamainternmed.2023.3798] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 04/14/2023] [Indexed: 08/29/2023]
Abstract
Importance Cancer screening tests are promoted to save life by increasing longevity, but it is unknown whether people will live longer with commonly used cancer screening tests. Objective To estimate lifetime gained with cancer screening. Data Sources A systematic review and meta-analysis was conducted of randomized clinical trials with more than 9 years of follow-up reporting all-cause mortality and estimated lifetime gained for 6 commonly used cancer screening tests, comparing screening with no screening. The analysis included the general population. MEDLINE and the Cochrane library databases were searched, and the last search was performed October 12, 2022. Study Selection Mammography screening for breast cancer; colonoscopy, sigmoidoscopy, or fecal occult blood testing (FOBT) for colorectal cancer; computed tomography screening for lung cancer in smokers and former smokers; or prostate-specific antigen testing for prostate cancer. Data Extraction and Synthesis Searches and selection criteria followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) reporting guideline. Data were independently extracted by a single observer, and pooled analysis of clinical trials was used for analyses. Main Outcomes and Measures Life-years gained by screening was calculated as the difference in observed lifetime in the screening vs the no screening groups and computed absolute lifetime gained in days with 95% CIs for each screening test from meta-analyses or single randomized clinical trials. Results In total, 2 111 958 individuals enrolled in randomized clinical trials comparing screening with no screening using 6 different tests were eligible. Median follow-up was 10 years for computed tomography, prostate-specific antigen testing, and colonoscopy; 13 years for mammography; and 15 years for sigmoidoscopy and FOBT. The only screening test with a significant lifetime gain was sigmoidoscopy (110 days; 95% CI, 0-274 days). There was no significant difference following mammography (0 days: 95% CI, -190 to 237 days), prostate cancer screening (37 days; 95% CI, -37 to 73 days), colonoscopy (37 days; 95% CI, -146 to 146 days), FOBT screening every year or every other year (0 days; 95% CI, -70.7 to 70.7 days), and lung cancer screening (107 days; 95% CI, -286 days to 430 days). Conclusions and Relevance The findings of this meta-analysis suggest that current evidence does not substantiate the claim that common cancer screening tests save lives by extending lifetime, except possibly for colorectal cancer screening with sigmoidoscopy.
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Affiliation(s)
- Michael Bretthauer
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Paulina Wieszczy
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Magnus Løberg
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Michal F. Kaminski
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, Warsaw, Poland
- Department of Cancer Prevention and Oncological Gastroenterology, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | | | - Lise M. Helsingen
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Yuichi Mori
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan
| | - Øyvind Holme
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Hans-Olov Adami
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Mette Kalager
- Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Department for Transplantation Medicine, Oslo University Hospital, Oslo, Norway
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Issaka RB, Chan AT, Gupta S. AGA Clinical Practice Update on Risk Stratification for Colorectal Cancer Screening and Post-Polypectomy Surveillance: Expert Review. Gastroenterology 2023; 165:1280-1291. [PMID: 37737817 PMCID: PMC10591903 DOI: 10.1053/j.gastro.2023.06.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/20/2023] [Accepted: 06/30/2023] [Indexed: 09/23/2023]
Abstract
DESCRIPTION Since the early 2000s, there has been a rapid decline in colorectal cancer (CRC) mortality, due in large part to screening and removal of precancerous polyps. Despite these improvements, CRC remains the second leading cause of cancer deaths in the United States, with approximately 53,000 deaths projected in 2023. The aim of this American Gastroenterological Association (AGA) Clinical Practice Update Expert Review was to describe how individuals should be risk-stratified for CRC screening and post-polypectomy surveillance and to highlight opportunities for future research to fill gaps in the existing literature. METHODS This Expert Review was commissioned and approved by the American Gastroenterological Association (AGA) Institute Clinical Practice Updates Committee (CPUC) and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership, and underwent internal peer review by the CPUC and external peer review through standard procedures of Gastroenterology. These Best Practice Advice statements were drawn from a review of the published literature and from expert opinion. Because systematic reviews were not performed, these Best Practice Advice statements do not carry formal ratings regarding the quality of evidence or strength of the presented considerations. Best Practice Advice Statements BEST PRACTICE ADVICE 1: All individuals with a first-degree relative (defined as a parent, sibling, or child) who was diagnosed with CRC, particularly before the age of 50 years, should be considered at increased risk for CRC. BEST PRACTICE ADVICE 2: All individuals without a personal history of CRC, inflammatory bowel disease, hereditary CRC syndromes, other CRC predisposing conditions, or a family history of CRC should be considered at average risk for CRC. BEST PRACTICE ADVICE 3: Individuals at average risk for CRC should initiate screening at age 45 years and individuals at increased risk for CRC due to having a first-degree relative with CRC should initiate screening 10 years before the age at diagnosis of the youngest affected relative or age 40 years, whichever is earlier. BEST PRACTICE ADVICE 4: Risk stratification for initiation of CRC screening should be based on an individual's age, a known or suspected predisposing hereditary CRC syndrome, and/or a family history of CRC. BEST PRACTICE ADVICE 5: The decision to continue CRC screening in individuals older than 75 years should be individualized, based on an assessment of risks, benefits, screening history, and comorbidities. BEST PRACTICE ADVICE 6: Screening options for individuals at average risk for CRC should include colonoscopy, fecal immunochemical test, flexible sigmoidoscopy plus fecal immunochemical test, multitarget stool DNA fecal immunochemical test, and computed tomography colonography, based on availability and individual preference. BEST PRACTICE ADVICE 7: Colonoscopy should be the screening strategy used for individuals at increased CRC risk. BEST PRACTICE ADVICE 8: The decision to continue post-polypectomy surveillance for individuals older than 75 years should be individualized, based on an assessment of risks, benefits, and comorbidities. BEST PRACTICE ADVICE 9: Risk-stratification tools for CRC screening and post-polypectomy surveillance that emerge from research should be examined for real-world effectiveness and cost-effectiveness in diverse populations (eg, by race, ethnicity, sex, and other sociodemographic factors associated with disparities in CRC outcomes) before widespread implementation.
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Affiliation(s)
- Rachel B Issaka
- Public Health Sciences and Clinical Research Divisions, Fred Hutchinson Cancer Center, Seattle, Washington; Division of Gastroenterology, University of Washington School of Medicine, Seattle, Washington.
| | - Andrew T Chan
- Clinical and Translational Epidemiology Unit, Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Samir Gupta
- Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, California; Section of Gastroenterology, Jennifer Moreno Department of Medical Affairs Medical Center, San Diego, California
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Kobayashi S, Hiwasa T, Kitamura K, Kano M, Hoshino T, Hirano S, Hashimoto M, Seimiya M, Shimada H, Nomura F, Matsubara H, Matsushita K. Combinational antibody detection approach increases the clinical validity of colorectal cancer screening. J Clin Lab Anal 2023; 37:e24978. [PMID: 37964630 PMCID: PMC10749486 DOI: 10.1002/jcla.24978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/27/2023] [Accepted: 10/15/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND At different stages of the disease, biomarkers can help to determine disease progression and recurrence and provide a personalized indicator of therapeutic effectiveness. The serological identification of antigens by recombinant cDNA expression cloning (SEREX) has identified five SEREX antigens. RESULTS Compared with healthy donors, anti-FIRΔexon2 and anti-SOHLH antibodies (Abs) in the sera of patients with colorectal cancer (CRC) were markedly higher. Furthermore, no correlation was noted between five SEREX antigens and the three tumor markers (CEA, CA19-9, and anti-p53 Abs), indicating that anti-FIRΔexon2 Abs are an independent candidate marker for patients with CRC. Generally, the levels of anti-FIRΔexon2 Abs combined with clinically available tumor markers were determined to be significantly higher compared with CEA, CA19-9. Moreover, in early-stage CRC, the levels of anti-FIRΔexon2 Abs combined with existing tumor markers were higher than those of CEA, CA19-9. CONCLUSION Due to the highly heterogeneous nature of CRC, a single tumor marker is unlikely to become a standalone diagnostic test due to its commonly insufficient sensitivity and/or specificity. Using a combination antibody detection approach of tumor markers for CRC diagnosis has the potential to be an effective approach. Therefore, the use of serum protein biomarker candidates holds promise for the development of inexpensive, noninvasive, and inexpensive tests for the detection of CRC.
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Affiliation(s)
- Sohei Kobayashi
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Takaki Hiwasa
- Department of Neurological Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Kouichi Kitamura
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
| | - Masayuki Kano
- Department of Frontier Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Tyuji Hoshino
- Department of Physical Chemistry, Graduate School of Pharmaceutical SciencesChiba UniversityChibaJapan
| | - Sho Hirano
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Mayuko Hashimoto
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Masanori Seimiya
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Hideaki Shimada
- Department of Gastroenterological Surgery, Graduate School of MedicineToho UniversityTokyoJapan
| | - Fumio Nomura
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Kazuyuki Matsushita
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
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Takada K, Hotta K, Kishida Y, Ito S, Imai K, Ono H. Comprehensive Analysis of Early-onset Colorectal Cancer: A Review. J Anus Rectum Colon 2023; 7:241-249. [PMID: 37900694 PMCID: PMC10600264 DOI: 10.23922/jarc.2023-032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 06/22/2023] [Indexed: 10/31/2023] Open
Abstract
Early-onset colorectal cancer (CRC), which refers to CRC diagnosed in individuals below the age of 50 years, is a growing health concern that presents unique challenges in diagnosis, treatment, and long-term outcomes. Although approximately 70% of early-onset CRC cases are sporadic, with no apparent family history, approximately 25% have a familial component, and up to 20% may be associated with germline mutations, indicating a higher prevalence compared with the general population. Despite the progress in identifying the environmental, molecular, and genetic risk factors of early-onset CRC, the underlying causes for the global increase in its incidence remain unclear. This comprehensive review aims to provide a thorough analysis of early-onset CRC by examining the trends associated with its incidence, clinical and pathological characteristics, risk factors, molecular and genetic profiles, prognosis and screening strategies. By deepening our understanding of early-onset CRC, significant advances related to improving the outcomes and alleviating the burden of this disease on individuals, families, and healthcare systems can be achieved.
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Affiliation(s)
- Kazunori Takada
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kinichi Hotta
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | | | - Sayo Ito
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kenichiro Imai
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Hiroyuki Ono
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
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11
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Kudelka MR, Gu W, Matsumoto Y, Ju T, Barnes II RH, Kardish RJ, Heimburg-Molinaro J, Lehoux S, Zeng J, Cohen C, Robinson BS, Shah KS, Chaikof EL, Stowell SR, Cummings RD. Targeting altered glycosylation in secreted tumor glycoproteins for broad cancer detection. Glycobiology 2023; 33:567-578. [PMID: 37216646 PMCID: PMC10426321 DOI: 10.1093/glycob/cwad035] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/23/2023] [Indexed: 05/24/2023] Open
Abstract
There is an urgent need to develop new tumor biomarkers for early cancer detection, but the variability of tumor-derived antigens has been a limitation. Here we demonstrate a novel anti-Tn antibody microarray platform to detect Tn+ glycoproteins, a near universal antigen in carcinoma-derived glycoproteins, for broad detection of cancer. The platform uses a specific recombinant IgG1 to the Tn antigen (CD175) as a capture reagent and a recombinant IgM to the Tn antigen as a detecting reagent. These reagents were validated by immunohistochemistry in recognizing the Tn antigen using hundreds of human tumor specimens. Using this approach, we could detect Tn+ glycoproteins at subnanogram levels using cell lines and culture media, serum, and stool samples from mice engineered to express the Tn antigen in intestinal epithelial cells. The development of a general cancer detection platform using recombinant antibodies for detection of altered tumor glycoproteins expressing a unique antigen could have a significant impact on cancer detection and monitoring.
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Affiliation(s)
- Matthew R Kudelka
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30033, United States
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Wei Gu
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Yasuyuki Matsumoto
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Tongzhong Ju
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30033, United States
| | - Richard H Barnes II
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Robert J Kardish
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Jamie Heimburg-Molinaro
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Sylvain Lehoux
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Junwei Zeng
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Cynthia Cohen
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30033, United States
| | - Brian S Robinson
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30033, United States
| | - Kinjal S Shah
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30033, United States
| | - Elliot L Chaikof
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
| | - Sean R Stowell
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30033, United States
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States
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12
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Qaseem A, Harrod CS, Crandall CJ, Wilt TJ, Balk EM, Cooney TG, Cross JT, Fitterman N, Maroto M, Obley AJ, Tice J, Tufte JE, Shamliyan T, Yost J. Screening for Colorectal Cancer in Asymptomatic Average-Risk Adults: A Guidance Statement From the American College of Physicians (Version 2). Ann Intern Med 2023; 176:1092-1100. [PMID: 37523709 DOI: 10.7326/m23-0779] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/02/2023] Open
Abstract
DESCRIPTION The purpose of this updated guidance statement is to guide clinicians on screening for colorectal cancer (CRC) in asymptomatic average-risk adults. The intended audience is all clinicians. The population is asymptomatic adults at average risk for CRC. METHODS This updated guidance statement was developed using recently published and critically appraised clinical guidelines from national guideline developers since the publication of the American College of Physicians' 2019 guidance statement, "Screening for Colorectal Cancer in Asymptomatic Average-Risk Adults." The authors searched for national guidelines from the United States and other countries published in English using PubMed and the Guidelines International Network library from 1 January 2018 to 24 April 2023. The authors also searched for updates of guidelines included in the first version of our guidance statement. The Appraisal of Guidelines for Research and Evaluation II (AGREE II) instrument was used to assess the quality of eligible guidelines. Two guidelines were selected for adoption and adaptation by raters on the basis of the highest average overall AGREE II quality scores. The evidence reviews and modeling studies for these 2 guidelines were also used to synthesize the evidence of diagnostic test accuracy, effectiveness, and harms of CRC screening interventions and to develop our guidance statements. GUIDANCE STATEMENT 1 Clinicians should start screening for colorectal cancer in asymptomatic average-risk adults at age 50 years. GUIDANCE STATEMENT 2 Clinicians should consider not screening asymptomatic average-risk adults between the ages of 45 to 49 years. Clinicians should discuss the uncertainty around benefits and harms of screening in this population. GUIDANCE STATEMENT 3 Clinicians should stop screening for colorectal cancer in asymptomatic average-risk adults older than 75 years or in asymptomatic average-risk adults with a life expectancy of 10 years or less. GUIDANCE STATEMENT 4A Clinicians should select a screening test for colorectal cancer in consultation with their patient based on a discussion of benefits, harms, costs, availability, frequency, and patient values and preferences. GUIDANCE STATEMENT 4B Clinicians should select among a fecal immunochemical or high-sensitivity guaiac fecal occult blood test every 2 years, colonoscopy every 10 years, or flexible sigmoidoscopy every 10 years plus a fecal immunochemical test every 2 years as a screening test for colorectal cancer. GUIDANCE STATEMENT 4C Clinicians should not use stool DNA, computed tomography colonography, capsule endoscopy, urine, or serum screening tests for colorectal cancer.
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Affiliation(s)
- Amir Qaseem
- American College of Physicians, Philadelphia, Pennsylvania (A.Q., C.S.H.)
| | - Curtis S Harrod
- American College of Physicians, Philadelphia, Pennsylvania (A.Q., C.S.H.)
| | - Carolyn J Crandall
- David Geffen School of Medicine at UCLA, Los Angeles, California (C.J.C.)
| | - Timothy J Wilt
- Minneapolis VA Medical Center, Minneapolis, Minnesota (T.J.W.)
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13
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Pennington E, Bell S, Hill JE. Should video laryngoscopy or direct laryngoscopy be used for adults undergoing endotracheal intubation in the pre-hospital setting? A critical appraisal of a systematic review. JOURNAL OF PARAMEDIC PRACTICE : THE CLINICAL MONTHLY FOR EMERGENCY CARE PROFESSIONALS 2023; 15:255-259. [PMID: 38812899 PMCID: PMC7616025 DOI: 10.1002/14651858] [Citation(s) in RCA: 2543] [Impact Index Per Article: 2543.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The safety and utility of endotracheal intubation by paramedics in the United Kingdom is a matter of debate. Considering the controversy surrounding the safety of paramedic-performed endotracheal intubation, any interventions that enhance patient safety should be evaluated for implementation based on solid evidence of their effectiveness. A systematic review performed by Hansel and colleagues (2022) sought to assess compare video laryngoscopes against direct laryngoscopes in clinical practice. This commentary aims to critically appraise the methods used within the review by Hansel et al (2022) and expand upon the findings in the context of clinical practice.
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Affiliation(s)
| | - Steve Bell
- Consultant Paramedic, North West Ambulance Service NHS Trust
| | - James E Hill
- University of Central Lancashire, Colne, Lancashire
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14
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Ribe SG, Botteri E, Løberg M, Randel KR, Kalager M, Nilsen JA, Gulichsen EH, Holme Ø. Impact of time between faecal immunochemical tests in colorectal cancer screening on screening results: A natural experiment. Int J Cancer 2023; 152:1414-1424. [PMID: 36346118 PMCID: PMC10098820 DOI: 10.1002/ijc.34351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/27/2022] [Accepted: 10/17/2022] [Indexed: 11/11/2022]
Abstract
Repeated rounds of faecal immunochemical testing (FIT) for occult blood is a common method for screening for colorectal cancer (CRC). However, the time interval between FIT rounds is not thoroughly investigated. In a CRC screening trial in South-Eastern Norway, individuals were invited for biennial FIT between 2012 and 2019. The positivity threshold was >15 mcg haemoglobin/g faeces (mcg/g). Due to organizational challenges, the interval between screening rounds randomly varied between 1.5 and 3.5 years, forming a natural experiment. We investigated the detection rate of CRC and advanced neoplasia (AN: CRC or advanced adenoma) at the subsequent round (FIT2 ), according to the faecal haemoglobin concentration (f-Hb) at the initial screening round (FIT1 ), and time between the two screening rounds. 18 522 individuals with negative FIT1 who attended FIT2 were included in this study. 245 AN were detected at FIT2 , of which 34 were CRC. The CRC detection rate at FIT2 for participants with FIT1 = 0 mcg/g was 0.09% while it was 0.28% for participant with 0 > FIT1 ≤ 15 mcg/g; odds ratio (OR) 3.22, 95% CI 1.49-6.95. For each 3 months' increment between FITs, the OR for detecting CRC was 1.33 (95% CI 0.98-1.79), while the OR was 1.13 (1.02-1.26) for AN. Individuals with FIT1 -value of 0 mcg/g, had a lower AN detection rate compared with participants with 0 > FIT1 ≤ 15 mcg/g, irrespective of time between tests. Although CRC and AN detection rates increase with increasing time interval between FITs, individuals with undetectable f-Hb at first screen have substantially lower risk of CRC at the next screening round compared with individuals with detectable f-Hb.
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Affiliation(s)
- Sara G Ribe
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway.,Center for Cancer Treatment, Sørlandet Hospital, Kristiansand, Norway.,Clinical Effectiveness Research Group, Institute for Health and Society, University of Oslo, Oslo, Norway
| | - Edoardo Botteri
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway.,Clinical Effectiveness Research Group, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Magnus Løberg
- Clinical Effectiveness Research Group, Institute for Health and Society, University of Oslo, Oslo, Norway.,Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Kristin R Randel
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
| | - Mette Kalager
- Clinical Effectiveness Research Group, Institute for Health and Society, University of Oslo, Oslo, Norway.,Clinical Effectiveness Research Group, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | | | - Øyvind Holme
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway.,Clinical Effectiveness Research Group, Institute for Health and Society, University of Oslo, Oslo, Norway.,Department of Medicine, Sørlandet Hospital, Kristiansand, Norway
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15
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Zheng S, Schrijvers JJA, Greuter MJW, Kats-Ugurlu G, Lu W, de Bock GH. Effectiveness of Colorectal Cancer (CRC) Screening on All-Cause and CRC-Specific Mortality Reduction: A Systematic Review and Meta-Analysis. Cancers (Basel) 2023; 15:cancers15071948. [PMID: 37046609 PMCID: PMC10093633 DOI: 10.3390/cancers15071948] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/14/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
(1) Background: The aim of this study was to pool and compare all-cause and colorectal cancer (CRC) specific mortality reduction of CRC screening in randomized control trials (RCTs) and simulation models, and to determine factors that influence screening effectiveness. (2) Methods: PubMed, Embase, Web of Science and Cochrane library were searched for eligible studies. Multi-use simulation models or RCTs that compared the mortality of CRC screening with no screening in general population were included. CRC-specific and all-cause mortality rate ratios and 95% confidence intervals were calculated by a bivariate random model. (3) Results: 10 RCTs and 47 model studies were retrieved. The pooled CRC-specific mortality rate ratios in RCTs were 0.88 (0.80, 0.96) and 0.76 (0.68, 0.84) for guaiac-based fecal occult blood tests (gFOBT) and single flexible sigmoidoscopy (FS) screening, respectively. For the model studies, the rate ratios were 0.45 (0.39, 0.51) for biennial fecal immunochemical tests (FIT), 0.31 (0.28, 0.34) for biennial gFOBT, 0.61 (0.53, 0.72) for single FS, 0.27 (0.21, 0.35) for 10-yearly colonoscopy, and 0.35 (0.29, 0.42) for 5-yearly FS. The CRC-specific mortality reduction of gFOBT increased with higher adherence in both studies (RCT: 0.78 (0.68, 0.89) vs. 0.92 (0.87, 0.98), model: 0.30 (0.28, 0.33) vs. 0.92 (0.51, 1.63)). Model studies showed a 0.62-1.1% all-cause mortality reduction with single FS screening. (4) Conclusions: Based on RCTs and model studies, biennial FIT/gFOBT, single and 5-yearly FS, and 10-yearly colonoscopy screening significantly reduces CRC-specific mortality. The model estimates are much higher than in RCTs, because the simulated biennial gFOBT assumes higher adherence. The effectiveness of screening increases at younger screening initiation ages and higher adherences.
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Affiliation(s)
- Senshuang Zheng
- Medical Center Groningen, Department of Epidemiology, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Jelle J A Schrijvers
- Medical Center Groningen, Department of Epidemiology, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Marcel J W Greuter
- Medical Center Groningen, Department of Radiology, University of Groningen, 9700 RB Groningen, The Netherlands
- Robotics and Mechatronics (RaM) Group, Technical Medical Centre, Faculty of Electrical Engineering Mathematics and Computer Science, University of Twente, 7522 NH Enschede, The Netherlands
| | - Gürsah Kats-Ugurlu
- Medical Center Groningen, Department of Pathology, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Wenli Lu
- Department of Epidemiology and Health Statistics, Tianjin Medical University, Tianjin 300070, China
| | - Geertruida H de Bock
- Medical Center Groningen, Department of Epidemiology, University of Groningen, 9700 RB Groningen, The Netherlands
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16
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Assessing overdiagnosis of fecal immunological test screening for colorectal cancer with a digital twin approach. NPJ Digit Med 2023; 6:24. [PMID: 36765093 PMCID: PMC9918445 DOI: 10.1038/s41746-023-00763-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 01/21/2023] [Indexed: 02/12/2023] Open
Abstract
Evaluating the magnitude of overdiagnosis associated with stool-based service screening for colorectal cancer (CRC) beyond a randomized controlled trial is often intractable and understudied. We aim to estimate the proportion of overdiagnosis in population-based service screening programs for CRC with the fecal immunochemical test (FIT). The natural process of overdiagnosis-embedded disease was first built up to learn transition parameters that quantify the pathway of non-progressive and progressive screen-detected cases calibrated with sensitivity, while also taking competing mortality into account. The Markov algorithms were then developed for estimating these transition parameters based on Taiwan FIT service CRC screening data on 5,417,699 residents aged 50-69 years from 2004 to 2014. Following the digital twin design with the parallel universe structure for emulating the randomized controlled trial, the screened twin, mirroring the control group without screening, was virtually recreated by the application of the above-mentioned trained parameters to predict CRC cases containing overdiagnosis. The ratio of the predicted CRCs derived from the screened twin to the observed CRCs of the control group minus 1 was imputed to measure the extent of overdiagnosis. The extent of overdiagnosis for invasive CRCs resulting from FIT screening is 4.16% (95% CI: 2.61-5.78%). The corresponding figure is increased to 9.90% (95% CI: 8.41-11.42%) for including high grade dysplasia (HGD) and further inflated to 15.83% (95% CI: 15.23-16.46%) when the removal adenoma is considered. The modest proportion of overdiagnosis modelled by the digital twin method, dispensing with the randomized controlled trial design, suggests the harm done to population-based FIT service screening is negligible.
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17
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Bucher-Johannessen C, Birkeland EE, Vinberg E, Bemanian V, Hoff G, Berstad P, Rounge TB. Long-term follow-up of colorectal cancer screening attendees identifies differences in Phascolarctobacterium spp. using 16S rRNA and metagenome sequencing. Front Oncol 2023; 13:1183039. [PMID: 37182146 PMCID: PMC10172651 DOI: 10.3389/fonc.2023.1183039] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 03/31/2023] [Indexed: 05/16/2023] Open
Abstract
Background The microbiome has been implicated in the initiation and progression of colorectal cancer (CRC) in cross-sectional studies. However, there is a lack of studies using prospectively collected samples. Methods From the Norwegian Colorectal Cancer Prevention (NORCCAP) trial, we analyzed 144 archived fecal samples from participants who were diagnosed with CRC or high-risk adenoma (HRA) at screening and from participants who remained cancer-free during 17 years of follow-up. We performed 16S rRNA sequencing of all the samples and metagenome sequencing on a subset of 47 samples. Differences in taxonomy and gene content between outcome groups were assessed for alpha and beta diversity and differential abundance. Results Diversity and composition analyses showed no significant differences between CRC, HRA, and healthy controls. Phascolarctobacterium succinatutens was more abundant in CRC compared with healthy controls in both the 16S and metagenome data. The abundance of Bifidobacterium and Lachnospiraceae spp. was associated with time to CRC diagnosis. Conclusion Using a longitudinal study design, we identified three taxa as being potentially associated with CRC. These should be the focus of further studies of microbial changes occurring prior to CRC diagnosis.
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Affiliation(s)
- Cecilie Bucher-Johannessen
- Department of Tumor Biology, Institute of Cancer Research, Oslo University Hospital, Oslo, Norway
- Department of Research, Cancer Registry of Norway, Oslo, Norway
- Centre for Bioinformatics, Department of Informatics, University of Oslo, Oslo, Norway
| | | | - Elina Vinberg
- Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Vahid Bemanian
- Department of Pathology, Akershus University Hospital, Oslo, Norway
| | - Geir Hoff
- Department of Research, Telemark Hospital Skien, Skien, Norway
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo University Hospital, Oslo, Norway
| | - Paula Berstad
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo University Hospital, Oslo, Norway
| | - Trine B. Rounge
- Department of Tumor Biology, Institute of Cancer Research, Oslo University Hospital, Oslo, Norway
- Department of Research, Cancer Registry of Norway, Oslo, Norway
- Centre for Bioinformatics, Department of Pharmacy, University of Oslo, Oslo, Norway
- *Correspondence: Trine B. Rounge,
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18
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Abu-Freha N, Gouldner R, Cohen B, Gordon M, Sagi O, Taha G, Ben Shoshan L, Levi Z. Comorbidities and Risk Factors of Patients Diagnosed with CRC after Positive Fecal Test in Real Life. Cancers (Basel) 2022; 14:cancers14225557. [PMID: 36428650 PMCID: PMC9688580 DOI: 10.3390/cancers14225557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/04/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Background: Fecal occult blood test (FOBT) is the modality of choice in most countries for colorectal cancer (CRC) screening. We aimed to investigate the risk factors for CRC among patients with a positive FOBT in real life. (2) Methods: This was a retrospective study that included patients who tested positive for FOBT. Data regarding the comorbidities and laboratories were collected and compared between CRC and non-CRC groups. (3) Results: Positive FOBT was found among 45,500 (5.36%) subjects and CRC was found in 1502 (3.3%). CRC patients were older, age 62.7 ± 7.15 years compared with 59.33 ± 7.3 years (p < 0.001), and had significantly higher rates of hypertension (48.4% vs. 44.7%, p = 0.002), iron-deficiency anemia (20.6% vs. 16.4, p < 0.001), family history of CRC (7.3% vs. 5.1%, p < 0.001), and previous CRC (6.5% vs. 0.3%, p < 0.001). Lower levels of hemoglobin, iron, and ferritin were found in the CRC group. Age, family history of CRC, and previous CRC were found to be significant risk factors for diagnosis of CRC after positive FOBT with OR of 1.057, 1.4, and 15.9, respectively. (4) Conclusions: Iron-deficiency anemia, family history of CRC, previous colorectal cancer, and low hemoglobin, iron, and ferritin levels should direct physicians to give high priority to colonoscopy scheduling.
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Affiliation(s)
- Naim Abu-Freha
- The Institute of Gastroenterology and Hepatology, Soroka University Medical Center, Beer-Sheva 84105, Israel
- The Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- Correspondence: or ; Tel.: +972-8-640-2251; Fax: +972-8-623-3083
| | - Rachel Gouldner
- Medical School for International Health, Ben-Gurion University of the Negev, Beer-Sheva 84101, Israel
| | - Bracha Cohen
- Soroka Clinical Research Center, Soroka University Medical Center, Beer-Sheva 84101, Israel
| | - Michal Gordon
- Soroka Clinical Research Center, Soroka University Medical Center, Beer-Sheva 84101, Israel
| | - Orly Sagi
- Bacteriology Laboratory, Soroka University Medical Center, Beer-Sheva 84101, Israel
| | - Gadeer Taha
- Department of Gastroenterology, Rambam Health Care Campus, Haifa 31096, Israel
| | - Liza Ben Shoshan
- The Institute of Gastroenterology and Hepatology, Soroka University Medical Center, Beer-Sheva 84105, Israel
| | - Zohar Levi
- Department of Gastroenterology, Beilinson Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv 39100, Israel
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19
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Castanon A, Parmar D, Massat NJ, Sasieni P, Duffy SW. Benefit of Biennial Fecal Occult Blood Screening on Colorectal Cancer in England: A Population-Based Case-Control Study. J Natl Cancer Inst 2022; 114:1262-1269. [PMID: 35575409 PMCID: PMC9468279 DOI: 10.1093/jnci/djac100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/23/2021] [Accepted: 05/06/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND The English national bowel cancer screening program offering a guaiac fecal occult blood test began in July 2006. In randomized controlled trials of guaiac fecal occult blood test screening, reductions in mortality were accompanied by reductions in advanced stage colorectal cancer (CRC). We aimed to evaluate the effect of participation in the national bowel cancer screening program on stage-specific CRC incidence as a likely precursor of a mortality effect. METHODS In this population-based case-control study, cases were individuals diagnosed with CRC aged 60-79 years between January 1, 2012, and December 31, 2013. Two controls per case were matched on geographic region, gender, date of birth, and year of first screening invitation. Screening histories were extracted from the screening database. Conditional logistic regression with correction for self-selection bias was used to estimate odds ratios (odds ratios corrected for self-selection bias [cOR]) and 95% confidence intervals (CIs) by Duke stage, sex, and age. RESULTS 14 636 individuals with CRC and 29 036 without were eligible for analysis. The odds of CRC (any stage) were increased within 30 days of a screening test and decreased thereafter. No reduction in CRC (any stage) among screened individuals compared with those not screened was observed (cOR = 1.00, 95% CI = 0.89 to 1.15). However, screened individuals had lower odds of Duke stage D CRC (cOR = 0.68, 95% CI = 0.50 to 0.93). We estimate 435 fewer Duke D CRC by age 80 years in 100 000 people screened biennially between ages 60 and 74 years compared with an unscreened cohort. CONCLUSION The impact of colorectal screening on advanced CRC incidence suggests that the program will meet its aim of reducing mortality.
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Affiliation(s)
- Alejandra Castanon
- Cancer Prevention Group, Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, King’s College London, London, UK
| | - Dharmishta Parmar
- Centre for Prevention, Detection and Diagnosis,Wolfson Institute of Population Health, Queen Mary University of London, London, UK
| | - Nathalie J Massat
- Centre for Prevention, Detection and Diagnosis,Wolfson Institute of Population Health, Queen Mary University of London, London, UK
| | - Peter Sasieni
- Cancer Prevention Group, Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, King’s College London, London, UK
| | - Stephen W Duffy
- Centre for Prevention, Detection and Diagnosis,Wolfson Institute of Population Health, Queen Mary University of London, London, UK
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20
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Kværner AS, Birkeland E, Vinberg E, Hoff G, Hjartåker A, Rounge TB, Berstad P. Associations of red and processed meat intake with screen-detected colorectal lesions. Br J Nutr 2022:1-11. [PMID: 36069337 DOI: 10.1017/s0007114522002860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Limited data exist regarding the role of meat consumption in early-stage colorectal carcinogenesis. We examined associations of red and processed meat intake with screen-detected colorectal lesions in immunochemical fecal occult blood test (FIT)-positive participants, enrolled in the Norwegian CRCbiome study during 2017-2021, aged 55-77 years. Absolute and energy-adjusted intakes of red and processed meat (combined and individually) were assessed using a validated, semi-quantitative FFQ. Associations between meat intake and screen-detected colorectal lesions were examined using multinomial logistic regression analyses with adjustment for key covariates. Of 1162 participants, 319 presented with advanced colorectal lesions at colonoscopy. High v. low energy-adjusted intakes of red and processed meat combined, as well as red meat alone, were borderline to significantly positively associated with advanced colorectal lesions (OR of 1·24 (95 % CI 0·98, 1·57) and 1·34 (95 % CI 1·07, 1·69), respectively). A significant dose-response relationship was also observed for absolute intake levels (OR of 1·32 (95 % CI 1·09, 1·60) per 100 g/d increase in red and processed meat). For processed meat, no association was observed between energy-adjusted intakes and advanced colorectal lesions. A significant positive association was, however, observed for participants with absolute intake levels ≥ 100 v. < 50 g/d (OR of 1·19 (95 % CI 1·09, 1·31)). In summary, high intakes of red and processed meat were associated with presence of advanced colorectal lesions at colonoscopy in FIT-positive participants. The study demonstrates a potential role of dietary data to improve the performance of FIT-based screening.
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Affiliation(s)
- Ane Sørlie Kværner
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
| | - Einar Birkeland
- Department of Research, Cancer Registry of Norway, Oslo, Norway
- Department of Informatics, University of Oslo, Oslo, Norway
| | - Elina Vinberg
- Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Geir Hoff
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
- Department of Research, Telemark Hospital, Skien, Norway
| | | | - Trine B Rounge
- Department of Research, Cancer Registry of Norway, Oslo, Norway
- Department of Pharmacy, University of Oslo, Oslo, Norway
| | - Paula Berstad
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
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21
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Domper-Arnal MJ, Hijos-Mallada G, Lanas Á. The impact of COVID-19 pandemic in the diagnosis and management of colorectal cancer patients. Therap Adv Gastroenterol 2022; 15:17562848221117636. [PMID: 36035306 PMCID: PMC9403473 DOI: 10.1177/17562848221117636] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023] Open
Abstract
The novel coronavirus disease 2019 (COVID-19) pandemic has posed an unprecedented challenge to healthcare systems worldwide, causing downscaling of almost all other activities, especially in its early stages. Currently, the availability of vaccines along with the spread of new viral variants has modified the epidemiology of the disease, and the previous activity is being gradually resumed in most healthcare facilities. In this review, we have summarized the influence of the COVID-19 pandemic in the diagnosis and management of colorectal cancer (CRC) patients. Population-based screening with either colonoscopy or fecal occult blood tests has proven to reduce CRC incidence and mortality, so screening programs have been implemented in most western countries. However, during the first COVID-19 wave, most of these programs had to be disrupted temporarily. In this review, we have thoroughly analyzed the consequences of these disruptions of screening programs as well as of the forced delays in diagnostic and therapeutic services on CRC prognosis, although its exact impact cannot be exactly measured yet. In any way, strategies to minimize its effect, such as catch-up strategies expanding the colonoscopy capacity or using fecal occult blood concentration and other risk factors to prioritize patients, are urgently needed. The COVID-19 pandemic has also led to a change in CRC patient presentation, with an overall temporary decreased incidence due to postponed diagnoses, but with more patients presenting in need of an emergency admission or with symptoms. Finally, changes in treatment approaches in CRC patients have been reported during the pandemic, namely a drop in the proportion of laparoscopic surgeries or a rise in short-term radiotherapy courses. We have therefore aimed to summarize the available evidence to guide the healthcare professionals treating CRC patients to choose the best treatment options in the current pandemic situation.
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Affiliation(s)
| | | | - Ángel Lanas
- Service of Digestive Diseases, University
Clinic Hospital, Zaragoza, Spain,Aragón Health Research Institute (IIS Aragón),
Zaragoza, Spain,CIBERehd, Madrid, Spain,University of Zaragoza, Zaragoza, Spain
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22
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Favorable Survival After Screening for Young-Onset Colorectal Cancer: Benefits of Screening in Young Adults. Dis Colon Rectum 2022; 65:996-1004. [PMID: 34856591 DOI: 10.1097/dcr.0000000000002106] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND The increasing incidence and mortality of young-onset colorectal cancer has drawn increasing attention. However, screening for young adults is controversial given the limited evidence regarding its effectiveness. OBJECTIVE We aimed to clarify the characteristics of young-onset colorectal cancer and to compare long-term outcomes of screening-detected colorectal cancer and non-screening-detected colorectal cancer. DESIGN This was a retrospective cohort study. SETTING This study evaluated data from a colorectal cancer registry and medical records at a tertiary Japanese cancer center. PATIENTS All patients with colorectal cancer who were registered at a Japanese tertiary cancer center between January 2007 and December 2016 were included. MAIN OUTCOME MEASURES The colorectal cancer cases were categorized as screening-detected colorectal cancer and non-screening-detected colorectal cancer, and patients were categorized into 3 age groups: <50 years (young-onset), 50 to 75 years, and >75 years. The baseline characteristics and survival outcomes of the groups were compared using Cox regression models. RESULTS A total of 4345 patients were identified, with a median follow-up of 4.6 years. Relative to 50- to 75-year-old individuals, young-onset colorectal cancer was linked to a higher proportion of rectal cancer (50.4% vs 43.3%), a lower proportion of screening-detected colorectal cancer (29.4% vs 35.8%), a lower proportion of stage I colorectal cancer (15.2% vs 30.3%), and a higher proportion of stage III to IV colorectal cancer (64.0% vs 49.4%). Among patients who were <50 years old, screening-detected colorectal cancer was associated with a 50% lower risk of mortality relative to non-screening-detected colorectal cancer (HR, 0.50; 95% CI, 0.26-0.95). LIMITATIONS The findings were limited by the retrospective analysis from a single center. CONCLUSIONS Young-onset colorectal cancer was more likely to present at an advanced stage and had a lower rate of screening-detected colorectal cancer. Nevertheless, young-onset screening-detected colorectal cancer was associated with better overall survival than non-screening-detected colorectal cancer. See Video Abstract at http://links.lww.com/DCR/B829 . SUPERVIVENCIA FAVORABLE DESPUS DEL CRIBADO DEL CNCER COLORRECTAL EN PACIENTE JOVEN BENEFICIOS DEL CRIBADO EN ADULTOS JVENES ANTECEDENTES:La creciente incidencia y mortalidad del cáncer colorrectal en paciente joven ha atraído una atención cada vez mayor. Sin embargo, el cribado para adultos jóvenes es controvertido, dado la evidencia limitada con respecto a su efectividad.OBJETIVO:Nuestro objetivo fue identificar las características del cáncer colorrectal en paciente joven y comparar los resultados a largo plazo del cáncer colorrectal detectado por cribado y el cáncer colorrectal no detectado por cribado.DISEÑO:Este fue un estudio de cohorte retrospectivo.ESCENARIO:Este estudio evaluó datos de un registro de cáncer colorrectal y registros médicos en un centro oncológico terciario japonés.PACIENTES:Se incluyeron todos los pacientes con cáncer colorrectal registrados en un centro oncológico terciario japonés entre enero de 2007 y diciembre de 2016.PRINCIPALES MEDIDAS DE RESULTADO:Los casos de cáncer colorrectal se categorizaron como cáncer colorrectal detectado mediante cribado y cáncer colorrectal no detectado mediante cribado, y los pacientes se clasificaron en tres grupos de edad: <50 años (joven), 50-75 años y >75 años. Las características basales y los resultados de supervivencia de los grupos se compararon mediante modelos de regresión de Cox.RESULTADOS:Se identificaron un total de 4345 pacientes, con una mediana de seguimiento de 4,6 años. En relación con las personas de 50 a 75 años, el cáncer colorrectal de inicio en la juventud se relacionó con una mayor proporción de cáncer de recto (50,4% frente a 43,3%), una menor proporción de cáncer colorrectal detectado mediante exámenes de cribado (29,4% frente a 35,8%), una menor proporción de cáncer colorrectal en estadio I (15,2% frente a 30,3%) y una mayor proporción de cáncer colorrectal en estadio III-IV (64,0% frente a 49,4%). Entre los pacientes menores de 50 años, el cáncer colorrectal detectado mediante cribado se asoció con un 50% menos de riesgo de mortalidad, en comparación con el cáncer colorrectal no detectado mediante cribado (HR: 0,50; IC 95%: 0,26-0,95).LIMITACIONES:Los hallazgos fueron limitados por el análisis retrospectivo de un solo centro.CONCLUSIONES:El cáncer colorrectal en paciente joven presenta más probabilidades de presentarse en una etapa avanzada y con una tasa más baja de detección mediante cribado. No obstante, el cáncer colorrectal detectado por cribado de aparición temprana se asoció con una mejor supervivencia general que el cáncer colorrectal no detectado por cribado. Consulte Video Resumen en http://links.lww.com/DCR/B829 . (Traducción-Dr. Felipe Bellolio ).
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23
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Grobbee EJ, Wisse PHA, Schreuders EH, van Roon A, van Dam L, Zauber AG, Lansdorp-Vogelaar I, Bramer W, Berhane S, Deeks JJ, Steyerberg EW, van Leerdam ME, Spaander MC, Kuipers EJ. Guaiac-based faecal occult blood tests versus faecal immunochemical tests for colorectal cancer screening in average-risk individuals. Cochrane Database Syst Rev 2022; 6:CD009276. [PMID: 35665911 PMCID: PMC9169237 DOI: 10.1002/14651858.cd009276.pub2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Worldwide, many countries have adopted colorectal cancer (CRC) screening programmes, often based on faecal occult blood tests (FOBTs). CRC screening aims to detect advanced neoplasia (AN), which is defined as CRC or advanced adenomas. FOBTs fall into two categories based on detection technique and the detected blood component: qualitative guaiac-based FOBTs (gFOBTs) and faecal immunochemical tests (FITs), which can be qualitative and quantitative. Screening with gFOBTs reduces CRC-related mortality. OBJECTIVES To compare the diagnostic test accuracy of gFOBT and FIT screening for detecting advanced colorectal neoplasia in average-risk individuals. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, BIOSIS Citation Index, Science Citation Index Expanded, and Google Scholar. We searched the reference lists and PubMed-related articles of included studies to identify additional studies. SELECTION CRITERIA We included prospective and retrospective studies that provided the number of true positives, false positives, false negatives, and true negatives for gFOBTs, FITs, or both, with colonoscopy as reference standard. We excluded case-control studies. We included studies in which all participants underwent both index test and reference standard ("reference standard: all"), and studies in which only participants with a positive index test underwent the reference standard while participants with a negative test were followed for at least one year for development of interval carcinomas ("reference standard: positive"). The target population consisted of asymptomatic, average-risk individuals undergoing CRC screening. The target conditions were CRC and advanced neoplasia (advanced adenomas and CRC combined). DATA COLLECTION AND ANALYSIS Two review authors independently screened and selected studies for inclusion. In case of disagreement, a third review author made the final decision. We used the Rutter and Gatsonis hierarchical summary receiver operating characteristic model to explore differences between tests and identify potential sources of heterogeneity, and the bivariate hierarchical model to estimate sensitivity and specificity at common thresholds: 10 µg haemoglobin (Hb)/g faeces and 20 µg Hb/g faeces. We performed indirect comparisons of the accuracy of the two tests and direct comparisons when both index tests were evaluated in the same population. MAIN RESULTS We ran the initial search on 25 June 2019, which yielded 63 studies for inclusion. We ran a top-up search on 14 September 2021, which yielded one potentially eligible study, currently awaiting classification. We included a total of 33 "reference standard: all" published articles involving 104,640 participants. Six studies evaluated only gFOBTs, 23 studies evaluated only FITs, and four studies included both gFOBTs and FITs. The cut-off for positivity of FITs varied between 2.4 μg and 50 µg Hb/g faeces. For each Quality Assessment of Diagnostic Accuracy Studies (QUADAS)-2 domain, we assessed risk of bias as high in less than 20% of studies. The summary curve showed that FITs had a higher discriminative ability than gFOBTs for AN (P < 0.001) and CRC (P = 0.004). For the detection of AN, the summary sensitivity of gFOBTs was 15% (95% confidence interval (CI) 12% to 20%), which was significantly lower than FITs at both 10 μg and 20 μg Hb/g cut-offs with summary sensitivities of 33% (95% CI 27% to 40%; P < 0.001) and 26% (95% CI 21% to 31%, P = 0.002), respectively. Results were simulated in a hypothetical cohort of 10,000 screening participants with 1% CRC prevalence and 10% AN prevalence. Out of 1000 participants with AN, gFOBTs missed 850, while FITs missed 670 (10 μg Hb/g cut-off) and 740 (20 μg Hb/g cut-off). No significant differences in summary specificity for AN detection were found between gFOBTs (94%; 95% CI 92% to 96%), and FITs at 10 μg Hb/g cut-off (93%; 95% CI 90% to 95%) and at 20 μg Hb/g cut-off (97%; 95% CI 95% to 98%). So, among 9000 participants without AN, 540 were offered (unnecessary) colonoscopy with gFOBTs compared to 630 (10 μg Hb/g) and 270 (20 μg Hb/g) with FITs. Similarly, for the detection of CRC, the summary sensitivity of gFOBTs, 39% (95% CI 25% to 55%), was significantly lower than FITs at 10 μg and 20 μg Hb/g cut-offs: 76% (95% CI 57% to 88%: P = 0.001) and 65% (95% CI 46% to 80%; P = 0.035), respectively. So, out of 100 participants with CRC, gFOBTs missed 61, and FITs missed 24 (10 μg Hb/g) and 35 (20 μg Hb/g). No significant differences in summary specificity for CRC were found between gFOBTs (94%; 95% CI 91% to 96%), and FITs at the 10 μg Hb/g cut-off (94%; 95% CI 87% to 97%) and 20 μg Hb/g cut-off (96%; 95% CI 91% to 98%). So, out of 9900 participants without CRC, 594 were offered (unnecessary) colonoscopy with gFOBTs versus 594 (10 μg Hb/g) and 396 (20 μg Hb/g) with FITs. In five studies that compared FITs and gFOBTs in the same population, FITs showed a higher discriminative ability for AN than gFOBTs (P = 0.003). We included a total of 30 "reference standard: positive" studies involving 3,664,934 participants. Of these, eight were gFOBT-only studies, 18 were FIT-only studies, and four studies combined both gFOBTs and FITs. The cut-off for positivity of FITs varied between 5 µg to 250 µg Hb/g faeces. For each QUADAS-2 domain, we assessed risk of bias as high in less than 20% of studies. The summary curve showed that FITs had a higher discriminative ability for detecting CRC than gFOBTs (P < 0.001). The summary sensitivity for CRC of gFOBTs, 59% (95% CI 55% to 64%), was significantly lower than FITs at the 10 μg Hb/g cut-off, 89% (95% CI 80% to 95%; P < 0.001) and the 20 μg Hb/g cut-off, 89% (95% CI 85% to 92%; P < 0.001). So, in the hypothetical cohort with 100 participants with CRC, gFOBTs missed 41, while FITs missed 11 (10 μg Hb/g) and 11 (20 μg Hb/g). The summary specificity of gFOBTs was 98% (95% CI 98% to 99%), which was higher than FITs at both 10 μg and 20 μg Hb/g cut-offs: 94% (95% CI 92% to 95%; P < 0.001) and 95% (95% CI 94% to 96%; P < 0.001), respectively. So, out of 9900 participants without CRC, 198 were offered (unnecessary) colonoscopy with gFOBTs compared to 594 (10 μg Hb/g) and 495 (20 μg Hb/g) with FITs. At a specificity of 90% and 95%, FITs had a higher sensitivity than gFOBTs. AUTHORS' CONCLUSIONS FITs are superior to gFOBTs in detecting AN and CRC in average-risk individuals. Specificity of both tests was similar in "reference standard: all" studies, whereas specificity was significantly higher for gFOBTs than FITs in "reference standard: positive" studies. However, at pre-specified specificities, the sensitivity of FITs was significantly higher than gFOBTs.
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Affiliation(s)
- Esmée J Grobbee
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Pieter HA Wisse
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Eline H Schreuders
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Aafke van Roon
- Department of Gastroenterology and Hepatology, Albert Schweitzer Hospital, Dordrecht, Netherlands
| | - Leonie van Dam
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Ann G Zauber
- Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, USA
| | - Iris Lansdorp-Vogelaar
- Department of Public Health, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Wichor Bramer
- Medical Library , Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Sarah Berhane
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, UK
| | - Jonathan J Deeks
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, UK
| | - Ewout W Steyerberg
- Department of Public Health, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Monique E van Leerdam
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Manon Cw Spaander
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Ernst J Kuipers
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
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Abstract
Colorectal cancer (CRC) is the second-leading cause of cancer death in the United States. Screening reduces CRC incidence and mortality. 2021 US Preventive Service Task Force (USPSTF) guidelines and available evidence support routine screening from ages 45 to 75, and individualized consideration of screening ages 76 to 85. USPSTF guidelines recommend annual guaiac fecal occult blood testing, annual fecal immunochemical testing (FIT), annual to every 3-year multitarget stool DNA-FIT, every 5-year sigmoidoscopy, every 10-year sigmoidoscopy with annual FIT, every 5-year computed tomographic colonography, and every 10-year colonoscopy as options for screening. The "best test is the one that gets done."
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Affiliation(s)
- Samir Gupta
- GI Section, VA San Diego Healthcare System, Department of Gastroenterology, University of California San Diego, 3350 La Jolla Village Drive, MC 111D, San Diego, CA 92161, USA.
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25
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Pich O, Bailey C, Watkins TBK, Zaccaria S, Jamal-Hanjani M, Swanton C. The translational challenges of precision oncology. Cancer Cell 2022; 40:458-478. [PMID: 35487215 DOI: 10.1016/j.ccell.2022.04.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/16/2022] [Accepted: 04/05/2022] [Indexed: 12/11/2022]
Abstract
The translational challenges in the field of precision oncology are in part related to the biological complexity and diversity of this disease. Technological advances in genomics have facilitated large sequencing efforts and discoveries that have further supported this notion. In this review, we reflect on the impact of these discoveries on our understanding of several concepts: cancer initiation, cancer prevention, early detection, adjuvant therapy and minimal residual disease monitoring, cancer drug resistance, and cancer evolution in metastasis. We discuss key areas of focus for improving cancer outcomes, from biological insights to clinical application, and suggest where the development of these technologies will lead us. Finally, we discuss practical challenges to the wider adoption of molecular profiling in the clinic and the need for robust translational infrastructure.
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Affiliation(s)
- Oriol Pich
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - Chris Bailey
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - Thomas B K Watkins
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - Simone Zaccaria
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Computational Cancer Genomics Research Group, University College London Cancer Institute, London, UK
| | - Mariam Jamal-Hanjani
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Cancer Metastasis Laboratory, University College London Cancer Institute, London, UK; Department of Medical Oncology, University College London Hospitals, London, UK
| | - Charles Swanton
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK.
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26
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Swartjes H, Brouwer NP, de Nes LC, van Erning FN, Verhoeven RH, Vissers PA, de Wilt JH. Incidence, treatment and relative survival of early-onset colorectal cancer in the Netherlands since 1989. Eur J Cancer 2022; 166:134-144. [DOI: 10.1016/j.ejca.2022.01.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/28/2021] [Accepted: 01/13/2022] [Indexed: 01/12/2023]
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27
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Cao Z, Pan X, Yu H, Hua S, Wang D, Chen DZ, Zhou M, Wu J. A Deep Learning Approach for Detecting Colorectal Cancer via Raman Spectra. BME FRONTIERS 2022; 2022:9872028. [PMID: 37850174 PMCID: PMC10521640 DOI: 10.34133/2022/9872028] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 03/01/2022] [Indexed: 10/19/2023] Open
Abstract
Objective and Impact Statement. Distinguishing tumors from normal tissues is vital in the intraoperative diagnosis and pathological examination. In this work, we propose to utilize Raman spectroscopy as a novel modality in surgery to detect colorectal cancer tissues. Introduction. Raman spectra can reflect the substance components of the target tissues. However, the feature peak is slight and hard to detect due to environmental noise. Collecting a high-quality Raman spectroscopy dataset and developing effective deep learning detection methods are possibly viable approaches. Methods. First, we collect a large Raman spectroscopy dataset from 26 colorectal cancer patients with the Raman shift ranging from 385 to 1545 cm - 1 . Second, a one-dimensional residual convolutional neural network (1D-ResNet) architecture is designed to classify the tumor tissues of colorectal cancer. Third, we visualize and interpret the fingerprint peaks found by our deep learning model. Results. Experimental results show that our deep learning method achieves 98.5% accuracy in the detection of colorectal cancer and outperforms traditional methods. Conclusion. Overall, Raman spectra are a novel modality for clinical detection of colorectal cancer. Our proposed ensemble 1D-ResNet could effectively classify the Raman spectra obtained from colorectal tumor tissues or normal tissues.
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Affiliation(s)
- Zheng Cao
- RealDoctor AI Research Center, College of Computer Science and Technology, Zhejiang University, China
| | - Xiang Pan
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Hongyun Yu
- RealDoctor AI Research Center, College of Computer Science and Technology, Zhejiang University, China
| | - Shiyuan Hua
- Institute of Translational Medicine and the Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Da Wang
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Danny Z. Chen
- Department of Computer Science and Engineering, University of Notre Dame, USA
| | - Min Zhou
- Institute of Translational Medicine and the Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Jian Wu
- Second Affiliated Hospital School of Medicine, and School of Public Health, Zhejiang University, China
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28
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Lee B, Lin K, Liang PS. Effectiveness and Harms of Colorectal Cancer Screening Strategies. Gastrointest Endosc Clin N Am 2022; 32:215-226. [PMID: 35361332 DOI: 10.1016/j.giec.2021.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Colorectal cancer screening incorporates various testing modalities. Factors including effectiveness, harms, cost, screening interval, patient preferences, and test availability should be considered when determining which test to use. Fecal occult blood testing and endoscopic screening have the most robust evidence, while newer blood- and imaging-based techniques require further evaluation. In this review, we compare the effectiveness, harms, and costs of the various screening strategies.
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Affiliation(s)
- Briton Lee
- Department of Medicine, NYU Langone Health, 550 First Avenue, NBV 16 North 30, New York, NY 10016, USA
| | - Kevin Lin
- Department of Medicine, NYU Langone Health, 550 First Avenue, NBV 16 North 30, New York, NY 10016, USA
| | - Peter S Liang
- Department of Medicine, NYU Langone Health, 550 First Avenue, NBV 16 North 30, New York, NY 10016, USA; Department of Medicine, VA New York Harbor Health Care System, 423 E 23rd Street, 11N, GI, New York, NY 10010, USA.
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29
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Moussallem M, Jreij M, Yeretzian JS, Asmar MK, Bou-Orm IR. Colorectal cancer screening knowledge and uptake in lebanon: a national survey. Rev Epidemiol Sante Publique 2022; 70:67-73. [PMID: 35339314 DOI: 10.1016/j.respe.2022.01.128] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 12/10/2021] [Accepted: 01/20/2022] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVE The main aim of this national survey was to identify the levels of colorectal cancer screening knowledge and uptake in Lebanon. METHODS A total of 1200 participants were enrolled in this cross-sectional household survey targeting the Lebanese population aged 50 years and above. The sample was recruited using a two-stage stratified cluster sampling approach. RESULTS Of the total sample, 38.3% knew about any screening test for colorectal cancer but only 7.5% had ever used any. Thirty-nine percent of the participants rated their risk of getting colorectal cancer as very low or low, and only 53.5% were confident in their ability to undertake a screening test. Almost all participants agreed that medical advice and test reimbursement would encourage them to do a screening test. At the multivariate analysis level, hearing of an awareness campaign in the last two years showed the strongest association with the knowledge of a colorectal cancer screening test with an estimated ORadj = 5.12 (95%CI: 3.67 - 7.15). Other factors that were significantly associated with this knowledge variable included: a family history of colorectal cancer, a personal history of colorectal illness, having a health coverage, and knowledge of colorectal cancer signs and symptoms. DISCUSSION This national study highlights an alarming lack of uptake and low levels of knowledge of colorectal cancer screening tests even though it is among the most prevalent cancers in Lebanon and its prevalence has been continuously increasing in the past years. The evidence suggests that people who had an experience with colorectal cancer diagnostic tests, either personally or through a family member, and those who have heard of an awareness campaign about colorectal cancer in the last two years are more likely to know its screening tests. CONCLUSION Colorectal cancer screening knowledge and uptake in Lebanon are limited and justify the need for public health interventions. This study gives evidence that awareness campaigns, coupled with the involvement of medical providers and the reimbursement of screening test fees, would alleviate the burden of colorectal cancer in Lebanon.
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Affiliation(s)
- Marianne Moussallem
- Higher Institute of Public Health, Faculty of Medicine, Saint Joseph University of Beirut - Lebanon.
| | - Marc Jreij
- Higher Institute of Public Health, Faculty of Medicine, Saint Joseph University of Beirut - Lebanon
| | | | - Michèle Kosremelli Asmar
- Higher Institute of Public Health, Faculty of Medicine, Saint Joseph University of Beirut - Lebanon
| | - Ibrahim R Bou-Orm
- Higher Institute of Public Health, Faculty of Medicine, Saint Joseph University of Beirut - Lebanon
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Comparison in the development of colorectal cancer after screening colonoscopy between elderly and younger population. Eur J Cancer Prev 2022; 31:505-512. [PMID: 35102072 DOI: 10.1097/cej.0000000000000739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND AIMS This study aimed to evaluate and compare the incidence of colorectal cancer (CRC) in elderly participants aged ≥75 years and those <75 years who had previously undergone a colonoscopy. METHODS This retrospective cohort study was conducted at the Center for Preventive Medicine at St. Luke's International Hospital in Japan. All participants who underwent screening colonoscopy between 2005 and 2015 were included and followed up until 2020. Our primary outcome was the identification of CRC as confirmed by pathology after screening colonoscopy. We compared the development of CRC between the two groups using survival analyses. A sub-analysis to evaluate the incidence of CRC among participants with and without neoplastic polyp resection at initial colonoscopy was also performed. RESULTS A total of 8350 participants were enrolled; the median follow-up period was 2982 days (interquartile range:1932-4141), mean age was 52.5 years (SD: 11.5) and 5274 (61.3%) participants were men. The incidence of CRC during the follow-up period was 82 (0.95%) among all participants and 11 (4.31%) among the elderly participants. Elderly participants showed a significantly higher incidence of CRC than the other group [hazard ratio, 2.56; 95% confidence interval (CI), 1.14-5.75]. The sub-analysis showed that out of 2878 participants with a neoplastic polyp at the initial colonoscopy, 52 (1.81%) developed CRC (hazard ratio, 2.85; 95% CI, 1.16-6.98). CONCLUSIONS A repeat colonoscopy might be warranted in people with high activities of daily living and few comorbidities, especially if there is a history of neoplastic polypectomy at the first colonoscopy.
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Mendis S, Hong W, Ananda S, Faragher I, Jones I, Croxford M, Steel M, Jalali A, Gard G, To YH, Lee M, Kosmider S, Wong R, Tie J, Gibbs P. Biology and Clinical Implications of Fecal Occult Blood Test (FOBT) Screen-Detected Colorectal Cancer. JNCI Cancer Spectr 2022; 6:6502287. [PMID: 35699496 PMCID: PMC8857921 DOI: 10.1093/jncics/pkab100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/11/2021] [Accepted: 11/11/2021] [Indexed: 12/24/2022] Open
Abstract
Abstract
Background
Fecal occult blood test (FOBT) based screening for colorectal cancer (CRC) reduces mortality, with earlier stage at diagnosis a prominent feature. Other characteristics of FOBT screen-detected cancers and any implications for clinical management have not been well explored.
Methods
We examined a multi-site clinical registry to compare the characteristics and outcomes of FOBT screen-detected CRC via the Australian National Bowel Cancer Screening Program (NBCSP), which is offered biennially to 50-74 year olds, and age matched non-screen detected cases in the same registry. All statistical tests were 2-sided. Odds Ratios were calculated using the Baptista-Pike method and Hazard Ratios via the log-rank method.
Results
Of 7,153 registry patients diagnosed June 1, 2006 to June 30, 2020, 4142 (57.9%) were aged between 50-74 years old. Excluding 406 patients with non-NBCSP screen-detected cancers and 35 patients with unknown method of detection, 473 (12.8%) were screen-detected via the NBCSP and 3228 (87.2%) were non screen-detected. Screen-detected patients were younger (mean age= 62.4 vs 64.2 years, P<.001) and more medically fit (Odds Ratio [OR] for ASA score 1-2 = 1.91, 95% confidence interval [CI] = 1.51 to 2.41, P<.001). Pathologic characteristics within each stage favoured the screen-detected cases. Stage III screen-detected colon cancers were more likely to receive adjuvant therapy (OR = 3.58, 95% CI = 1.52 to 8.36, P=.002). Screen-detected patients had superior relapse free (HR = 0.41, 95% CI = 0.29 to 0.60, P<.001) and overall survival (HR = 0.22, 95% CI = 0.15 to 0.35, P<.001), which was maintained in matched stage comparisons and multivariate analysis.
Conclusions
Beyond stage at diagnosis multiple other factors associated with a favourable outcome are observed in FOBT screen-detected CRC. Given the substantial stage by stage differences in survival outcomes, if independently confirmed, individualised adjuvant therapy and surveillance strategies could be warranted for FOBT screen-detected cancers.
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Affiliation(s)
- Shehara Mendis
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
| | - Wei Hong
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Faculty of Medicine & Health Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Sumitra Ananda
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Parkville, VIC, Australia
| | - Ian Faragher
- Department of Colorectal Surgery, Footscray Hospital, Western Health, Footscray, VIC, Australia
| | - Ian Jones
- Department of Colorectal Surgery, The Royal Melbourne Hospital, Parkville, VIC, Australia
- Department of Surgery, The University of Melbourne, Parkville, VIC, Australia
| | - Matthew Croxford
- Department of Colorectal Surgery, Footscray Hospital, Western Health, Footscray, VIC, Australia
| | - Malcolm Steel
- Department of Colorectal Surgery, Box Hill Hospital, Eastern Health, Box Hill, VIC, Australia
| | - Azim Jalali
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
| | - Grace Gard
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
| | - Yat Hang To
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Faculty of Medicine & Health Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Margaret Lee
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
- Department of Medical Oncology, Eastern Health, Box Hill, VIC, Australia
- Eastern Health Clinical School, Monash University, Box Hill, VIC, Australia
| | - Suzanne Kosmider
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
| | - Rachel Wong
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Eastern Health, Box Hill, VIC, Australia
- Eastern Health Clinical School, Monash University, Box Hill, VIC, Australia
| | - Jeanne Tie
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
- Faculty of Medicine & Health Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Peter Gibbs
- Personalised Oncology Division, Walter & Eliza Hall Institute, Parkville, VIC, Australia
- Department of Medical Oncology, Sunshine Hospital, Western Health, St Albans, VIC, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Parkville, VIC, Australia
- The Royal Melbourne Hospital, Parkville, VIC, Australia
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Harrison H, Thompson RE, Lin Z, Rossi SH, Stewart GD, Griffin SJ, Usher-Smith JA. Risk Prediction Models for Kidney Cancer: A Systematic Review. Eur Urol Focus 2021; 7:1380-1390. [PMID: 32680829 PMCID: PMC8642244 DOI: 10.1016/j.euf.2020.06.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/18/2020] [Accepted: 06/29/2020] [Indexed: 12/24/2022]
Abstract
CONTEXT Early detection of kidney cancer improves survival; however, low prevalence means that population-wide screening may be inefficient. Stratification of the population into risk categories could allow for the introduction of a screening programme tailored to individuals. OBJECTIVE This review will identify and compare published models that predict the risk of developing kidney cancer in the general population. EVIDENCE ACQUISITION A search identified primary research reporting or validating models predicting the risk of kidney cancer in Medline and EMBASE. After screening identified studies for inclusion, we extracted data onto a standardised form. The risk models were classified using the Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis (TRIPOD) guidelines and evaluated using the PROBAST assessment tool. EVIDENCE SYNTHESIS The search identified 15 281 articles. Sixty-two satisfied the inclusion criteria; performance measures were provided for 11 models. Some models predicted the risk of prevalent undiagnosed disease and others future incident disease. Six of the models had been validated, two using external populations. The most commonly included risk factors were age, smoking status, and body mass index. Most of the models had acceptable-to-good discrimination (area under the receiver-operating curve >0.7) in development and validation. Many models also had high specificity; however, several had low sensitivity. The highest performance was seen for the models using only biomarkers to detect kidney cancer; however, these were developed and validated in small case-control studies. CONCLUSIONS We identified a small number of risk models that could be used to stratify the population according to the risk of kidney cancer. Most exhibit reasonable discrimination, but a few have been validated externally in population-based studies. PATIENT SUMMARY In this review, we looked at mathematical models predicting the likelihood of an individual developing kidney cancer. We found several suitable models, using a range of risk factors (such as age and smoking) to predict the risk for individuals. Most of the models identified require further testing in the general population to confirm their usefulness.
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Affiliation(s)
- Hannah Harrison
- The Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK.
| | - Rachel E Thompson
- University of Cambridge School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
| | - Zhiyuan Lin
- University of Cambridge School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
| | - Sabrina H Rossi
- Department of Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
| | - Grant D Stewart
- Department of Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
| | - Simon J Griffin
- The Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Juliet A Usher-Smith
- The Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
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Robbins EC, Cross AJ. Reply. Clin Gastroenterol Hepatol 2021; 19:2217-2218. [PMID: 34089851 DOI: 10.1016/j.cgh.2021.05.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 02/07/2023]
Affiliation(s)
- Emma C Robbins
- Cancer Screening and Prevention Research Group (CSPRG), Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Amanda J Cross
- Cancer Screening and Prevention Research Group (CSPRG), Department of Surgery and Cancer, Imperial College London, London, United Kingdom
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Kværner AS, Birkeland E, Bucher-Johannessen C, Vinberg E, Nordby JI, Kangas H, Bemanian V, Ellonen P, Botteri E, Natvig E, Rognes T, Hovig E, Lyle R, Ambur OH, de Vos WM, Bultman S, Hjartåker A, Landberg R, Song M, Blix HS, Ursin G, Randel KR, de Lange T, Hoff G, Holme Ø, Berstad P, Rounge TB. The CRCbiome study: a large prospective cohort study examining the role of lifestyle and the gut microbiome in colorectal cancer screening participants. BMC Cancer 2021; 21:930. [PMID: 34407780 PMCID: PMC8371800 DOI: 10.1186/s12885-021-08640-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 07/27/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Colorectal cancer (CRC) screening reduces CRC incidence and mortality. However, current screening methods are either hampered by invasiveness or suboptimal performance, limiting their effectiveness as primary screening methods. To aid in the development of a non-invasive screening test with improved sensitivity and specificity, we have initiated a prospective biomarker study (CRCbiome), nested within a large randomized CRC screening trial in Norway. We aim to develop a microbiome-based classification algorithm to identify advanced colorectal lesions in screening participants testing positive for an immunochemical fecal occult blood test (FIT). We will also examine interactions with host factors, diet, lifestyle and prescription drugs. The prospective nature of the study also enables the analysis of changes in the gut microbiome following the removal of precancerous lesions. METHODS The CRCbiome study recruits participants enrolled in the Bowel Cancer Screening in Norway (BCSN) study, a randomized trial initiated in 2012 comparing once-only sigmoidoscopy to repeated biennial FIT, where women and men aged 50-74 years at study entry are invited to participate. Since 2017, participants randomized to FIT screening with a positive test result have been invited to join the CRCbiome study. Self-reported diet, lifestyle and demographic data are collected prior to colonoscopy after the positive FIT-test (baseline). Screening data, including colonoscopy findings are obtained from the BCSN database. Fecal samples for gut microbiome analyses are collected both before and 2 and 12 months after colonoscopy. Samples are analyzed using metagenome sequencing, with taxonomy profiles, and gene and pathway content as primary measures. CRCbiome data will also be linked to national registries to obtain information on prescription histories and cancer relevant outcomes occurring during the 10 year follow-up period. DISCUSSION The CRCbiome study will increase our understanding of how the gut microbiome, in combination with lifestyle and environmental factors, influences the early stages of colorectal carcinogenesis. This knowledge will be crucial to develop microbiome-based screening tools for CRC. By evaluating biomarker performance in a screening setting, using samples from the target population, the generalizability of the findings to future screening cohorts is likely to be high. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT01538550 .
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Affiliation(s)
- Ane Sørlie Kværner
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
| | - Einar Birkeland
- Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Cecilie Bucher-Johannessen
- Department of Research, Cancer Registry of Norway, Oslo, Norway
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Elina Vinberg
- Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Jan Inge Nordby
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | - Harri Kangas
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Vahid Bemanian
- Department of Multidisciplinary Laboratory Science and Medical Biochemistry, Genetic Unit, Akershus University Hospital, Lørenskog, Norway
| | - Pekka Ellonen
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Edoardo Botteri
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
- Department of Research, Cancer Registry of Norway, Oslo, Norway
| | - Erik Natvig
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
| | - Torbjørn Rognes
- Department of Informatics, Centre for Bioinformatics, University of Oslo, Oslo, Norway
- Department of Microbiology, Oslo University Hospital, Oslo, Norway
| | - Eivind Hovig
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
- Department of Informatics, Centre for Bioinformatics, University of Oslo, Oslo, Norway
| | - Robert Lyle
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Ole Herman Ambur
- Department of Microbiology and Infection Control, Akershus University Hospital, Lørenskog, Norway
- Department of Natural Sciences and Health, Oslo Metropolitan University, Oslo, Norway
| | - Willem M de Vos
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Scott Bultman
- Department of Genetics and Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | | | - Rikard Landberg
- Department of Biology and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden
| | - Mingyang Song
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Clinical and Translational Epidemiology Unit and Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Hege Salvesen Blix
- Department of Drug Statistics, Norwegian Institute of Public Health, Oslo, Norway
- School of Pharmacy, University of Oslo, Oslo, Norway
| | | | | | - Thomas de Lange
- Medical Department, Sahlgrenska University Hospital-Mölndal, Mölndal, Sweden
- Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Medical Research, Bærum Hospital, Bærum, Norway
| | - Geir Hoff
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
- Department of Research, Telemark Hospital, Skien, Norway
| | - Øyvind Holme
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway
- Department of Medicine, Sorlandet Hospital Kristiansand, Kristiansand, Norway
- Institute for Health and Society, University of Oslo, Oslo, Norway
| | - Paula Berstad
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Oslo, Norway.
| | - Trine B Rounge
- Department of Research, Cancer Registry of Norway, Oslo, Norway.
- Department of Informatics, Centre for Bioinformatics, University of Oslo, Oslo, Norway.
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What Should We Recommend for Colorectal Cancer Screening in Adults Aged 75 and Older? ACTA ACUST UNITED AC 2021; 28:2540-2547. [PMID: 34287279 PMCID: PMC8293045 DOI: 10.3390/curroncol28040231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 12/14/2022]
Abstract
The current recommendation to stop colorectal cancer screening for older adults is based on a lack of evidence due to systematic exclusion of this population from trials. Older adults are a heterogenous population with many available strategies for patient-centered assessment and decision-making. Evolutions in management strategies for colorectal cancer have made safe and effective options available to older adults, and the rationale to screen for treatable disease more reasonably, especially given the aging Canadian population. In this commentary, we review the current screening guidelines and the evidence upon which they were built, the unique considerations for screening older adults, new treatment options, the risks and benefits of increased screening and potential considerations for the new guidelines.
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Baidoun F, Elshiwy K, Elkeraie Y, Merjaneh Z, Khoudari G, Sarmini MT, Gad M, Al-Husseini M, Saad A. Colorectal Cancer Epidemiology: Recent Trends and Impact on Outcomes. Curr Drug Targets 2021; 22:998-1009. [PMID: 33208072 DOI: 10.2174/1389450121999201117115717] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/30/2020] [Accepted: 10/05/2020] [Indexed: 11/22/2022]
Abstract
Colorectal cancer (CRC) is the third most common cancer and the second leading cause of cancer related deaths in the world with an estimated number of 1.8 million new cases and about 881,000 deaths worldwide in 2018. The epidemiology of CRC varies significantly between different regions in the world as well as between different age, gender and racial groups. Multiple factors are involved in this variation, including risk factor exposure, demographic variations in addition to genetic susceptibility and genetic mutations and their effect on the prognosis and treatment response. In this mini-review, we discuss the recent epidemiological trend including the incidence and mortality of colorectal cancer worldwide and the factors affecting these trends.
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Affiliation(s)
- Firas Baidoun
- Department of Hospital Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | | | - Yasmine Elkeraie
- High institute of Public Health, Alexandria University, Alexandria, Egypt
| | - Zahi Merjaneh
- Department of Hospital Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - George Khoudari
- Department of Hospital Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Muhammad Talal Sarmini
- Department of Hospital Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Mohamed Gad
- Department of Internal Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Muneer Al-Husseini
- Department of Medicine, Ascension St John Hospital, Detroit, Michigan, United States
| | - Anas Saad
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, Cleveland, OH, United States
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Young GP, Chen G, Wilson CJ, McGrane E, Hughes-Barton DLA, Flight IHK, Symonds EL. "Rescue" of Nonparticipants in Colorectal Cancer Screening: A Randomized Controlled Trial of Three Noninvasive Test Options. Cancer Prev Res (Phila) 2021; 14:803-810. [PMID: 34127509 DOI: 10.1158/1940-6207.capr-21-0080] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/07/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022]
Abstract
Few studies have directly targeted nonparticipants in colorectal cancer screening to identify effective engagement strategies. We undertook a randomized controlled trial that targeted nonparticipants in a previous trial of average-risk subjects which compared participation rates for mailed invitations offering a fecal test, a blood test or a choice of either. Nonparticipants (n = 899) were randomized to be offered a kit containing a fecal immunochemical test (FIT), directions on how to arrange a blood DNA test, or the option of doing either. Screening participation was assessed 12 weeks after the offer. To assess the cognitive and attitudinal variables related to participation and invitee choice, invitees were surveyed after 12 weeks, and associations were investigated using multinomial logistic regression. Participation rates were similar between groups (P = 0.88): 12.0% for FIT (35/292), 13.3% for the blood test (39/293), and 13.4% for choice (39/290). Within the choice group, participation was significantly higher with FIT (9.7%, 28/290) compared with the blood test (3.8%, 11/290, P = 0.005). The only variable significantly associated with participation was socioeconomic status when offered FIT, and age when offered choice but there was none when offered the blood test. Survey respondents indicated that convenience, time-saving, comfort, and familiarity were major influences on participation. There was no clear advantage between a fecal test, blood test, or choice of test although, when given a choice, the fecal test was preferred. Differences in variables associated with participation according to invitation strategy warrant consideration when deciding upon an invitation strategy for screening nonparticipants. PREVENTION RELEVANCE: This trial of screening for those at average risk for colorectal cancer targeted past fecal-test nonparticipants and compared participation rates for mailed invitations offering a fecal test, blood test, or choice of either. Although there was no clear advantage between strategies, factors associated with participation differed between each strategy.
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Affiliation(s)
- Graeme Paul Young
- Flinders Centre for Innovation in Cancer, Flinders Medical Centre, Bedford Park, South Australia, Australia. .,Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Adelaide, South Australia, Australia
| | - Gang Chen
- Centre for Health Economics, Monash University, Caufield East, Victoria, Australia
| | - Carlene J Wilson
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Adelaide, South Australia, Australia.,School of Psychology and Public Health, LaTrobe University, Bundoora, Victoria, Australia
| | - Ellen McGrane
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom
| | - Donna Lee-Ann Hughes-Barton
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Adelaide, South Australia, Australia
| | - Ingrid Helen K Flight
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Adelaide, South Australia, Australia
| | - Erin Leigh Symonds
- Flinders Centre for Innovation in Cancer, Flinders Medical Centre, Bedford Park, South Australia, Australia.,Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Adelaide, South Australia, Australia.,Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
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Lin JS, Perdue LA, Henrikson NB, Bean SI, Blasi PR. Screening for Colorectal Cancer: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA 2021; 325:1978-1998. [PMID: 34003220 DOI: 10.1001/jama.2021.4417] [Citation(s) in RCA: 241] [Impact Index Per Article: 80.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
IMPORTANCE Colorectal cancer (CRC) remains a significant cause of morbidity and mortality in the US. OBJECTIVE To systematically review the effectiveness, test accuracy, and harms of screening for CRC to inform the US Preventive Services Task Force. DATA SOURCES MEDLINE, PubMed, and the Cochrane Central Register of Controlled Trials for relevant studies published from January 1, 2015, to December 4, 2019; surveillance through March 26, 2021. STUDY SELECTION English-language studies conducted in asymptomatic populations at general risk of CRC. DATA EXTRACTION AND SYNTHESIS Two reviewers independently appraised the articles and extracted relevant study data from fair- or good-quality studies. Random-effects meta-analyses were conducted. MAIN OUTCOMES AND MEASURES Colorectal cancer incidence and mortality, test accuracy in detecting cancers or adenomas, and serious adverse events. RESULTS The review included 33 studies (n = 10 776 276) on the effectiveness of screening, 59 (n = 3 491 045) on the test performance of screening tests, and 131 (n = 26 987 366) on the harms of screening. In randomized clinical trials (4 trials, n = 458 002), intention to screen with 1- or 2-time flexible sigmoidoscopy vs no screening was associated with a decrease in CRC-specific mortality (incidence rate ratio, 0.74 [95% CI, 0.68-0.80]). Annual or biennial guaiac fecal occult blood test (gFOBT) vs no screening (5 trials, n = 419 966) was associated with a reduction of CRC-specific mortality after 2 to 9 rounds of screening (relative risk at 19.5 years, 0.91 [95% CI, 0.84-0.98]; relative risk at 30 years, 0.78 [95% CI, 0.65-0.93]). In observational studies, receipt of screening colonoscopy (2 studies, n = 436 927) or fecal immunochemical test (FIT) (1 study, n = 5.4 million) vs no screening was associated with lower risk of CRC incidence or mortality. Nine studies (n = 6497) evaluated the test accuracy of screening computed tomography (CT) colonography, 4 of which also reported the test accuracy of colonoscopy; pooled sensitivity to detect adenomas 6 mm or larger was similar between CT colonography with bowel prep (0.86) and colonoscopy (0.89). In pooled values, commonly evaluated FITs (14 studies, n = 45 403) (sensitivity, 0.74; specificity, 0.94) and stool DNA with FIT (4 studies, n = 12 424) (sensitivity, 0.93; specificity, 0.85) performed better than high-sensitivity gFOBT (2 studies, n = 3503) (sensitivity, 0.50-0.75; specificity, 0.96-0.98) to detect cancers. Serious harms of screening colonoscopy included perforations (3.1/10 000 procedures) and major bleeding (14.6/10 000 procedures). CT colonography may have harms resulting from low-dose ionizing radiation. It is unclear if detection of extracolonic findings on CT colonography is a net benefit or harm. CONCLUSIONS AND RELEVANCE There are several options to screen for colorectal cancer, each with a different level of evidence demonstrating its ability to reduce cancer mortality, its ability to detect cancer or precursor lesions, and its risk of harms.
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Affiliation(s)
- Jennifer S Lin
- Kaiser Permanente Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Leslie A Perdue
- Kaiser Permanente Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Nora B Henrikson
- Kaiser Permanente Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Sarah I Bean
- Kaiser Permanente Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Paula R Blasi
- Kaiser Permanente Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
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Shafiei M, Alemrajabi M, Najafi A, Keihan AH, Sohrabi MR. Candidate Molecular Biomarkers for the Non- Invasive Detection of Colorectal Cancer using Gene Expression Profiling. IRANIAN JOURNAL OF PATHOLOGY 2021; 16:205-214. [PMID: 33936232 PMCID: PMC8085285 DOI: 10.30699/ijp.2021.132385.2475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 02/17/2021] [Indexed: 11/07/2022]
Abstract
Background & Objective: olorectal Cancer (CRC) is the third most common cancer after prostate (breast in women) and lung cancer; it is also the third cause of cancer deaths reported in both men and women in 2020. Currently, the most commonly used diagnostic tools for CRC are colonoscopy, serological methods, and other imaging techniques. Despite the benefits and abilities of these methods, each of them has disadvantages that reduce its functionality and acceptance. The aim of this study was identifying specific and non-invasive genetic biomarkers to diagnose colorectal cancer. Methods: In this study, changes in the expression of HLTF and SEPT9 genes were evaluated by Real Time PCR in blood and tissue samples of CRC patients. A total of 100 samples (50 Blood and 50 Tissue samples) were evaluated with a definite diagnosis of CRC in Firoozgar Hspital, Tehran, Iran, in 2018. The QPCR method was used to compare the expression of candidate genes between the patients group and control group in both samples. Sensitivity and specificity of the test were examined using ROC curve analysis. Results: The results showed a significant down-regulation in the expression of both selected genes in tissue and peripheral blood in the various stages of the CRC. The sensitivity and specifity of both genes was about 80%. Conclusion: The findings showed that the two candidate genes can be suggested as specific biomarkers for diagnosis of CRC using the peripheral blood as a non-invasive method. For a definite conclusion, more research is needed.
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Affiliation(s)
- Mohammad Shafiei
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mahdi Alemrajabi
- Gastrointestinal and Liver Disease Research Center (GILDRC), Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Najafi
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Amir Homayoun Keihan
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Masoud Reza Sohrabi
- Gastrointestinal and Liver Disease Research Center (GILDRC), Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
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Saito Y, Oka S, Kawamura T, Shimoda R, Sekiguchi M, Tamai N, Hotta K, Matsuda T, Misawa M, Tanaka S, Iriguchi Y, Nozaki R, Yamamoto H, Yoshida M, Fujimoto K, Inoue H. Colonoscopy screening and surveillance guidelines. Dig Endosc 2021; 33:486-519. [PMID: 33713493 DOI: 10.1111/den.13972] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/21/2021] [Accepted: 03/09/2021] [Indexed: 12/15/2022]
Abstract
The Colonoscopy Screening and Surveillance Guidelines were developed by the Japan Gastroenterological Endoscopy Society as basic guidelines based on the scientific methods. The importance of endoscopic screening and surveillance for both detection and post-treatment follow-up of colorectal cancer has been recognized as essential to reduce disease mortality. There is limited high-level evidence in this field; therefore, we had to focus on the consensus of experts. These clinical practice guidelines consist of 20 clinical questions and eight background knowledge topics that have been determined as the current guiding principles.
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Affiliation(s)
- Yutaka Saito
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | - Shiro Oka
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | | | - Ryo Shimoda
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | | | - Naoto Tamai
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | - Kinichi Hotta
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | | | - Masashi Misawa
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | - Shinji Tanaka
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | | | - Ryoichi Nozaki
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
| | | | | | | | - Haruhiro Inoue
- Japan Gastroenterological Endoscopy Society, Tokyo, Japan
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Effects of Screening Compliance on Long-term Reductions in All-Cause and Colorectal Cancer Mortality. Clin Gastroenterol Hepatol 2021; 19:967-975.e2. [PMID: 32634624 DOI: 10.1016/j.cgh.2020.06.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/29/2020] [Accepted: 06/06/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Randomized trials have shown that biennial fecal occult blood test (FOBT) screening reduces mortality from colorectal cancer (CRC), but not overall mortality. Differences in benefit for men vs women, and by age, are unknown. We sought to evaluate long-term reduction in all-cause and CRC-specific mortality in men and women who comply with offered screening, and in different age groups, using individual participant data from 2 large randomized trials of biennial FOBT screening, compared with an intention to treat analysis. METHODS We updated the CRC and all-cause mortality from the Danish CRC screening trial (n = 61,933) through 30 years of follow up and pooled individual participant data with individual 30-year follow-up data from the Minnesota Colon Cancer Control trial (n = 46,551). We compared the biennial screening groups to usual care (controls) in individuals 50-80 years old using Kaplan Meier estimates of relative risks and risk differences, adjusted for study differences in age, sex, and compliance. RESULTS Through 30 years of follow up, there were 33,478 (71.9%) and 33,479 (72.2%) total deaths and 1023 (2.2%) and 1146 (2.5%) CRC deaths in the biennial screening (n = 46,553) and control groups (n = 46,358), respectively. Among compliers, biennial FOBT screening significantly reduced CRC mortality by 16% (relative risk [RR], 0.84; 95% CI, 0.74-0.96) and all-cause mortality by 2% (RR, 0.98; 95% CI, 0.97-0.99). Among compliers, the reduction in CRC mortality was larger for men (RR, 0.75; 95% CI, 0.62-0.90) than women (RR, 0.91; 95% CI, 0.75-1.09). The largest reduction in CRC mortality was in compliant men 60-69 years old (RR, 0.59; 95% CI, 0.42-0.81) and women 70 years and older (RR, 0.53; 95% CI, 0.30-0.94). CONCLUSIONS Long-term CRC mortality outcomes of screening among compliers using biennial FOBT are sustained, with a statistically significant reduction in all-cause mortality. The reduction in CRC mortality is greater in men than women-the benefit in women lags that of men by about 10 years.
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Robbins EC, Cross AJ. Guaiac Fecal Occult Blood Tests and Mortality: A 30-Year Follow-up of Two Pooled Trials. Clin Gastroenterol Hepatol 2021; 19:892-894. [PMID: 32798704 DOI: 10.1016/j.cgh.2020.08.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023]
Affiliation(s)
- Emma C Robbins
- Cancer Screening and Prevention Research Group, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Amanda J Cross
- Cancer Screening and Prevention Research Group, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
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San Miguel Y, Demb J, Martinez ME, Gupta S, May FP. Time to Colonoscopy After Abnormal Stool-Based Screening and Risk for Colorectal Cancer Incidence and Mortality. Gastroenterology 2021; 160:1997-2005.e3. [PMID: 33545140 PMCID: PMC8096663 DOI: 10.1053/j.gastro.2021.01.219] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 01/18/2021] [Accepted: 01/23/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND AIMS The optimal time interval for diagnostic colonoscopy completion after an abnormal stool-based colorectal cancer (CRC) screening test is uncertain. We examined the association between time to colonoscopy and CRC outcomes among individuals who underwent diagnostic colonoscopy after abnormal stool-based screening. METHODS We performed a retrospective cohort study of veterans age 50 to 75 years with an abnormal fecal occult blood test (FOBT) or fecal immunochemical test (FIT) between 1999 and 2010. We used multivariable Cox proportional hazards to generate CRC-specific incidence and mortality hazard ratios (HRs) and 95% confidence intervals (CI) for 3-month colonoscopy intervals, with 1 to 3 months as the reference group. Association of time to colonoscopy with late-stage CRC diagnosis was also examined. RESULTS Our cohort included 204,733 patients. Mean age was 61 years (SD 6.9). Compared with patients who received a colonoscopy at 1 to 3 months, there was an increased CRC risk for patients who received a colonoscopy at 13 to 15 months (HR 1.13; 95% CI 1.00-1.27), 16 to 18 months (HR 1.25; 95% CI 1.10-1.43), 19 to 21 months (HR 1.28; 95% CI: 1.11-1.48), and 22 to 24 months (HR 1.26; 95% CI 1.07-1.47). Compared with patients who received a colonoscopy at 1 to 3 months, mortality risk was higher in groups who received a colonoscopy at 19 to 21 months (HR 1.52; 95% CI 1.51-1.99) and 22 to 24 months (HR 1.39; 95% CI 1.03-1.88). Odds for late-stage CRC increased at 16 months. CONCLUSIONS Increased time to colonoscopy is associated with higher risk of CRC incidence, death, and late-stage CRC after abnormal FIT/FOBT. Interventions to improve CRC outcomes should emphasize diagnostic follow-up within 1 year of an abnormal FIT/FOBT result.
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Affiliation(s)
- Yazmin San Miguel
- Division of Gastroenterology, Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California; Moores Cancer Center and Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California
| | - Joshua Demb
- Division of Gastroenterology, Department of Internal Medicine, University of California San Diego, La Jolla, California
| | - Maria Elena Martinez
- Moores Cancer Center and Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California
| | - Samir Gupta
- Division of Gastroenterology, Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California; Division of Gastroenterology, Department of Internal Medicine, University of California San Diego, La Jolla, California.
| | - Folasade P May
- Division of Gastroenterology, Department of Medicine, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California; Vatche and Tamar Manoukian Division of Digestive Diseases and Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California, Los Angeles, California.
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Hultcrantz R. Aspects of colorectal cancer screening, methods, age and gender. J Intern Med 2021; 289:493-507. [PMID: 32929813 PMCID: PMC8048936 DOI: 10.1111/joim.13171] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/27/2020] [Accepted: 08/20/2020] [Indexed: 02/06/2023]
Abstract
Colorectal cancer (CRC) is, besides breast, prostate, lung and skin cancers, the most common cancer worldwide and is suitable for screening. The incidence of CRC varies considerably in different parts of the world: in well-developed countries, the incidence is between 30 and 70 per 100 000 inhabitants, whereas in less-developed countries such as sub-Saharan Africa, it is 10-20/100 000 inhabitants. Women have a lower incidence of CRC, which is usually one-third of total incidence. Several studies have shown that it is possible to decrease mortality from CRC with about 20%, which is evidenced through the data from countries with screening programmes. Though the method of choice to identify blood samples in faecal matter is under debate, the most feasible way is to perform colonoscopy. Other methods include more advanced faecal analyses, testing for mutations from CRC, sigmoidoscopy, CT colonoscopy or optical colonoscopy. Colonoscopy is in most countries not available in sufficient amount and has to be carried out with great accuracy; otherwise, lesions will be missed to identify, thus leading to complications. Gender is an issue in CRC screening, as women have about 20% fewer colorectal adenomas and CRCs, but they also have more right-sided lesions, which are more difficult to detect with tests for faecal blood since they create less blood in faeces. Thus, other strategies may have to be developed for women in order for screening to have the same effect. It is essential to introduce colorectal cancer screening in all countries together with other clinical pieces of advice such as information on smoking, obesity and exercise in order to reduce one of the most dangerous cancers.
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Affiliation(s)
- R Hultcrantz
- From the, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
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Spolverato G, Capelli G, Battagello J, Barina A, Nordio S, Finotti E, Mondi I, Da Lio C, Morpurgo E, Navarro JA, Ceccato F, Perin A, Pedrazzani C, Turri G, Zanus G, Campi M, Massani M, Di Giacomo A, Prando D, Agresta F, Pucciarelli S, Zorzi M, Rugge M. More Favorable Short and Long-Term Outcomes for Screen-Detected Colorectal Cancer Patients. Front Oncol 2021; 11:620644. [PMID: 33791207 PMCID: PMC8005726 DOI: 10.3389/fonc.2021.620644] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 02/01/2021] [Indexed: 01/06/2023] Open
Abstract
Background Screening significantly reduces mortality from colorectal cancer (CRC). Screen detected (SD) tumors associate with better prognosis, even at later stage, compared to non-screen detected (NSD) tumors. We aimed to evaluate the association between diagnostic modality (SD vs. NSD) and short- and long-term outcomes of patients undergoing surgery for CRC. Materials and Methods This retrospective cohort study involved patients aged 50–69 years, residing in Veneto, Italy, who underwent curative-intent surgery for CRC between 2006 and 2018. The clinical multi-institutional dataset was linked with the screening dataset in order to define diagnostic modality (SD vs. NSD). Short- and long-term outcomes were compared between the two groups. Results Of 1,360 patients included, 464 were SD (34.1%) and 896 NSD (65.9%). Patients with a SD CRC were more likely to have less comorbidities (p = 0.013), lower ASA score (p = 0.001), tumors located in the proximal colon (p = 0.0018) and earlier stage at diagnosis (p < 0.0001). NSD patients were found to have more aggressive disease at diagnosis, higher complication rate and higher readmission rate due to surgical complications (all p < 0.05). NSD patients had a significantly lower Disease Free Survival and Overall Survival (all p < 0.0001), even after adjusting by demographic, clinic-pathological, tumor, and treatment characteristics. Conclusions SD tumors were associated with better long-term outcomes, even after multiple adjustments. Our results confirm the advantages for the target population to participate in the screening programs and comply with their therapeutic pathways.
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Affiliation(s)
- Gaya Spolverato
- Department Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - Giulia Capelli
- Department Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | | | - Andrea Barina
- Department Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - Susi Nordio
- General Surgery Unit, "SS. Giovanni e Paolo" Hospital, Venezia, Italy
| | - Elena Finotti
- General Surgery Unit, "SS. Giovanni e Paolo" Hospital, Venezia, Italy
| | | | | | - Emilio Morpurgo
- General Surgery Unit, Camposampiero Hospital, Camposampiero, Italy
| | | | - Fabio Ceccato
- General Surgery Unit, "Sant'Antonio" Hospital, Padova, Italy
| | - Alessandro Perin
- Department Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - Corrado Pedrazzani
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Giulia Turri
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Giacomo Zanus
- IV Surgical Unit, Ca' Foncello Hospital, Treviso, Italy
| | - Michela Campi
- IV Surgical Unit, Ca' Foncello Hospital, Treviso, Italy
| | - Marco Massani
- III Surgical Unit, Ca' Foncello Hospital, Treviso, Italy
| | | | - Daniela Prando
- Department of General Surgery, Adria Civil Hospital, Adria, Italy
| | | | - Salvatore Pucciarelli
- Department Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - Manuel Zorzi
- Veneto Tumor Registry, Azienda Zero, Padova, Italy
| | - Massimo Rugge
- Department of Medicine DIMED, Pathology and Cytopathology Unit, University of Padova, Padova, Italy
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Sekiguchi M, Kakugawa Y, Ikematsu H, Hotta K, Konda K, Tanaka Y, Takamaru H, Yamada M, Sakamoto T, Saito Y, Imai K, Ito S, Koga Y, Iwasaki M, Murakami Y, Matsuda T. Risk Stratification Score Improves Sensitivity for Advanced Colorectal Neoplasia in Colorectal Cancer Screening: The Oshima Study Workgroup. Clin Transl Gastroenterol 2021; 12:e00319. [PMID: 33939384 PMCID: PMC7925133 DOI: 10.14309/ctg.0000000000000319] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/27/2021] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION Noninvasive colorectal cancer (CRC) screening methods with higher sensitivity for advanced colorectal neoplasia (ACN) than the fecal immunochemical test (FIT) alone are warranted. This study aimed to elucidate the diagnostic performance of a risk stratification score calculated using baseline individual characteristics and its combination with FIT for detecting ACN. METHODS This cross-sectional analysis of data from a prospective cohort in Izu Oshima, Japan, included asymptomatic individuals age 40-79 years who underwent both 2-day quantitative FIT and screening colonoscopy. The 8-point risk score, calculated based on age, sex, CRC family history, body mass index, and smoking history, was assessed. Colonoscopy results were used as reference. RESULTS Overall, 1,191 individuals were included, and 112 had ACN. The sensitivity and specificity of the 1-/2-day FIT (cutoff: 50-200 ng Hb/mL) for ACN were 17.9%-33.9% (4.9%-22.0% for right-sided ACN) and 91.8%-97.6%, respectively. The risk score's c-statistic for ACN was 0.66, and combining the score (cutoff: 5 points) with 1-/2-day FIT (cutoff: 50-200 ng Hb/mL) yielded a sensitivity and specificity for ACN of 46.4%-56.3% (43.9%-48.8% for right-sided ACN) and 76.6%-80.8%, respectively. The specificity of the risk score and FIT combination for all adenomatous lesions was 82.4%-86.4%. DISCUSSION The 8-point risk score remarkably increased the sensitivity for ACN, particularly for right-sided ACN. Although the specificity decreased, it was still maintained at a relatively high level. The risk score and FIT combination has the potential to become a viable noninvasive CRC screening option.
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Affiliation(s)
- Masau Sekiguchi
- Cancer Screening Center, National Cancer Center Hospital, Tokyo, Japan
- Division of Screening Technology, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Yasuo Kakugawa
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Hiroaki Ikematsu
- Department of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
| | - Kinichi Hotta
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kenichi Konda
- Division of Gastroenterology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Yusaku Tanaka
- Division of Gastroenterology, Keiyu Hospital, Yokohama, Japan
| | | | - Masayoshi Yamada
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Taku Sakamoto
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Yutaka Saito
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kenichiro Imai
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Sayo Ito
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Yoshikatsu Koga
- Division of Developmental Therapeutics, EPOC, National Cancer Center, Kashiwa, Japan
| | - Motoki Iwasaki
- Epidemiology and Prevention Group, National Cancer Center, Tokyo, Japan
| | | | - Takahisa Matsuda
- Cancer Screening Center, National Cancer Center Hospital, Tokyo, Japan
- Division of Screening Technology, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
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Clark G, Strachan JA, Carey FA, Godfrey T, Irvine A, McPherson A, Brand J, Anderson AS, Fraser CG, Steele RJ. Transition to quantitative faecal immunochemical testing from guaiac faecal occult blood testing in a fully rolled-out population-based national bowel screening programme. Gut 2021; 70:106-113. [PMID: 32234803 DOI: 10.1136/gutjnl-2019-320297] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 03/18/2020] [Accepted: 03/22/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Faecal immunochemical tests (FIT) are replacing guaiac faecal occult blood tests (FOBT) in colorectal cancer (CRC) screening. Data from the first year of FIT screening were compared with those from FOBT screening and assumptions based on a pilot evaluation of FIT. DESIGN Data on uptake, positivity, positive predictive value (PPV) for CRC and higher-risk adenoma from participants in the first year of the FIT-based Scottish Bowel Screening Programme (n=919 665), with a threshold of 80 µg Hb/g faeces, were compared with those from the penultimate year of the FOBT-based programme (n=862 165) and those from the FIT evaluation (n=66 225). RESULTS Overall, uptake of FIT was 63.9% compared with 56.4% for FOBT. Positivity was 3.1% and 2.2% with FIT and FOBT; increases were seen in both sexes, and across age range and deprivation. More CRC and adenomas were detected by FIT, but the PPV for CRC was less (5.2% with FIT and 6.4% with FOBT). However, for higher-risk adenoma, PPV was greater with FIT (24.3% with FIT and 19.3% with FOBT). In the previous FIT evaluation, uptake was 58.5% with FIT compared with 54.0% with FOBT; positivity was 2.5% with FIT and 2.0% with FOBT. CONCLUSION Transition to FIT from FOBT produced higher uptake and positivity with lower PPV for CRC and higher PPV for adenoma. The FIT pilot evaluation underestimated uptake and positivity. Introducing FIT at the same threshold as the evaluation caused a 67.2% increase in colonoscopy demand instead of a predicted 10%.
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Affiliation(s)
- Gavin Clark
- Information Services Division, NHS National Services Scotland, Edinburgh, Scotland, UK
| | - Judith A Strachan
- Blood Sciences and Scottish Bowel Screening Laboratory, Ninewells Hospital and Medical School, Dundee, Scotland, UK
| | - Frank A Carey
- Department of Pathology, Ninewells Hospital and Medical School, Dundee, Scotland, UK
| | - Thomas Godfrey
- Information Services Division, NHS National Services Scotland, Edinburgh, Scotland, UK
| | - Audrey Irvine
- Scottish Bowel Screening Centre, Dundee, Scotland, UK
| | - Alisson McPherson
- Blood Sciences and Scottish Bowel Screening Laboratory, Ninewells Hospital and Medical School, Dundee, Scotland, UK
| | - Jess Brand
- National Specialist and Screening Services Directorate, NHS National Services Scotland, Edinburgh, Scotland, UK
| | - Annie S Anderson
- Centre for Public Health Nutrition, University of Dundee, Dundee, Scotland, UK
| | - Callum G Fraser
- Centre for Research into Cancer Prevention and Screening, University of Dundee, Dundee, UK
| | - Robert Jc Steele
- Centre for Research into Cancer Prevention and Screening, University of Dundee, Dundee, UK
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Alyabsi M, Sabatin F, Jazieh AR. The Outcome of Unscreened Population in Colorectal Cancer: The Impact of Sex and Other Determinants on Cancer Stage. Cancer Manag Res 2020; 12:12319-12327. [PMID: 33299349 PMCID: PMC7720843 DOI: 10.2147/cmar.s268823] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 09/08/2020] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND In Saudi Arabia, there is no population-based colorectal cancer (CRC) screening, and more than two-thirds of patients are diagnosed with a late stage. We assessed the association between sex and distant metastasis CRC and hypothesize that females, younger age, non-married, and patients with colon cancer would present with metastatic tumors. PATIENTS AND METHODS The retrospective cohort study used data from the Ministry of National Guard Cancer Registry. Logistic regression was used to assess the association between sex and metastatic CRC adjusting for patient covariates. In a sensitivity analysis, the association between sex and late-stage CRC was evaluated. RESULTS A total of 1016 CRC patients met the eligibility criteria, with 37.59% of females and 30.26% of males diagnosed with metastatic CRC. After adjusting for marital status, grade, and morphology, females were 20% more likely than males to present with a metastatic tumor 1.20 (95% CI, 1.04-1.38). CONCLUSION Although the entire Saudi population would benefit from CRC screening, women may benefit the most from targeted screening.
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Affiliation(s)
- Mesnad Alyabsi
- Population Health Research Section, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Fouad Sabatin
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Oncology Department, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Abdul Rahman Jazieh
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Oncology Department, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
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Burke JR, Brown P, Quyn A, Lambie H, Tolan D, Sagar P. Tumour growth rate of carcinoma of the colon and rectum: retrospective cohort study. BJS Open 2020; 4:1200-1207. [PMID: 32996713 PMCID: PMC8370463 DOI: 10.1002/bjs5.50355] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/18/2020] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND The growth pattern of colorectal cancer is seldom investigated. This cohort study aimed to explore tumour growth rate in colorectal cancers managed non-surgically or deemed not resectable, and to determine its implication for prognosis. METHODS Consecutive patients with colonic or rectal adenocarcinoma were identified through the colorectal multidisciplinary team database at Leeds Teaching Hospitals NHS Trust over a 2-year interval. Patients who received no treatment (surgery, stenting, colonic defunctioning procedures, chemotherapy, radiotherapy) and who underwent CT twice more than 5 weeks apart were included. Multidetector CT/three-dimensional image analysis was performed independently by three experienced radiologists. RESULTS Of 804 patients reviewed, 43 colorectal cancers were included in the final analysis. Median age at first CT was 80 (73-85) years and the median interval between scans was 150 (i.q.r. 72-471) days. An increase in T category was demonstrated in 31 of 43 tumours, with a median doubling time of 211 (112-404) days. The median percentage increase in tumour volume was 34·1 (13·3-53·9) per cent per 62 days. The all-cause 3-year mortality rate was 81 per cent (35 of 43) with a median survival time of 1·1 (0·4-2·2) years after the initial diagnostic scan. In those obstructed, the relative risk of death from subsequent perforation was 1·26 (95 per cent c.i. 1·07 to 1·49; P = 0·005). CONCLUSION This study documented a median doubling time of 211 days, with a concerning suggestion of tumour progression, which has implications for the current management standard.
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Affiliation(s)
- J. R. Burke
- John Golligher Colorectal Surgery UnitLeedsUK
- Leeds Institute of Biomedical and
Clinical SciencesSt James's University HospitalLeedsUK
| | - P. Brown
- Department of Clinical Radiology, Gastrointestinal and Abdominal Radiology,
St James's University Hospital, Leeds Teaching Hospitals NHS TrustLeedsUK
| | - A. Quyn
- John Golligher Colorectal Surgery UnitLeedsUK
- Leeds Institute of Biomedical and
Clinical SciencesSt James's University HospitalLeedsUK
| | - H. Lambie
- Department of Clinical Radiology, Gastrointestinal and Abdominal Radiology,
St James's University Hospital, Leeds Teaching Hospitals NHS TrustLeedsUK
| | - D. Tolan
- Department of Clinical Radiology, Gastrointestinal and Abdominal Radiology,
St James's University Hospital, Leeds Teaching Hospitals NHS TrustLeedsUK
| | - P. Sagar
- John Golligher Colorectal Surgery UnitLeedsUK
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Ogunwobi OO, Mahmood F, Akingboye A. Biomarkers in Colorectal Cancer: Current Research and Future Prospects. Int J Mol Sci 2020; 21:E5311. [PMID: 32726923 PMCID: PMC7432436 DOI: 10.3390/ijms21155311] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/12/2020] [Accepted: 07/20/2020] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is a leading cause of death worldwide, despite progress made in detection and management through surgery, chemotherapy, radiotherapy, and immunotherapy. Novel therapeutic agents have improved survival in both the adjuvant and advanced disease settings, albeit with an increased risk of toxicity and cost. However, metastatic disease continues to have a poor long-term prognosis and significant challenges remain due to late stage diagnosis and treatment failure. Biomarkers are a key tool in early detection, prognostication, survival, and predicting treatment response. The past three decades have seen advances in genomics and molecular pathology of cancer biomarkers, allowing for greater individualization of therapy with a positive impact on survival outcomes. Clinically useful predictive biomarkers aid clinical decision making, such as the presence of KRAS gene mutations predicting benefit from epidermal growth factor receptor (EGFR) inhibiting antibodies. However, few biomarkers have been translated into clinical practice highlighting the need for further investigation. We review a range of protein, DNA and RNA-based biomarkers under investigation for diagnostic, predictive, and prognostic properties for CRC. In particular, long non-coding RNAs (lncRNA), have been investigated as biomarkers in a range of cancers including colorectal cancer. Specifically, we evaluate the potential role of lncRNA plasmacytoma variant translocation 1 (PVT1), an oncogene, as a diagnostic, prognostic, and therapeutic biomarker in colorectal cancer.
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Affiliation(s)
- Olorunseun O. Ogunwobi
- Department of Biological Sciences, Hunter College of The City University of New York, New York, NY 10065, USA
- Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, Cornell University, New York, NY 10021, USA
| | - Fahad Mahmood
- The Dudley Group Hospitals, Russells Hall Hospital, The Dudley Group NHS Foundation Trust, Dudley, West Midlands DY1 2HQ, UK;
| | - Akinfemi Akingboye
- The Dudley Group Hospitals, Russells Hall Hospital, The Dudley Group NHS Foundation Trust, Dudley, West Midlands DY1 2HQ, UK;
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