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Montoya SM, Olaore P, Bastardo-Acosta J, Abdulla R, Schell MJ, Hidalgo A, Turner B, Rider M, Kishun-Jit N, Joshua A, Pollard J, Friedman M, Christy SM, Meade CD, Gwede CK. Protocol paper for an implementation science approach to promoting colorectal cancer screening in Federally Qualified Health Center clinics: A stepped-wedge, multilevel intervention trial. RESEARCH SQUARE 2024:rs.3.rs-4558718. [PMID: 39070625 PMCID: PMC11275978 DOI: 10.21203/rs.3.rs-4558718/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Background Colorectal cancer is the third leading cause of cancer-related deaths in the United States. Despite the Healthy People 2030 goal of 70.5%, colorectal cancer (CRC) screening rates in Federally Qualified Health Centers (FQHCs) are suboptimal at about 40%. The Colorectal Cancer Awareness, Research, Education and Screening-Rural Expansion, Access, and Capacity for Health (CARES-REACH) study seeks to address this disparity and accelerate the adoption and utilization of effective, evidence-based CRC screening practices. This paper describes the CARES-REACH study design and implementation methods. Methods Informed by a community-based participatory research (CBPR) framework and enriched by implementation science approaches, CARES-REACH features a stepped wedge design with extension for maintenance to support an implementation strategy focused on multiple levels: organizational, provider, and patient levels that entail processes to boost initial and repeat screening among average risk and age-eligible adults. This multilevel study entails the implementation of a core set of evidence-based interventions (EBIs) that include low literacy patient education (English, Spanish, and Haitian Creole language); provider education, system-wide electronic medical record (EMR) tools including provider prompts and patient reminders, FIT (fecal immunochemical test) kit distribution, plus an organization-wide cancer control champion who motivates providers, coaches and navigates patients, and monitors system-wide CRC screening activities. Trial registration NCT04464668.
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Zhang C, Chen J, Ren J, Li X, Zhang Y, Huang B, Xu Y, Dong L, Cao Y. N 6-methyladenosine levels in peripheral blood RNA: a potential diagnostic biomarker for colorectal cancer. Cancer Cell Int 2024; 24:96. [PMID: 38439072 PMCID: PMC10913687 DOI: 10.1186/s12935-024-03289-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 02/29/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND N6-methyladenosine (m6A) is dysregulated in various cancers, including colorectal cancer (CRC). Herein, we assess the diagnostic potential of peripheral blood (PB) m6A levels in CRC. METHODS We collected PB from healthy controls (HCs) and patients with CRC, analyzed PB RNA m6A levels and the expression of m6A-related demethylase genes FTO and ALKBH5, cocultured CRC cells with PB mononuclear cells (PBMCs), and constructed an MC38 cancer model. RESULTS PB RNA m6A levels were higher in the CRC than that in HCs. The area under the curve (AUC) of m6A levels (0.886) in the CRC was significantly larger compared with carbohydrate antigen 199 (CA199; 0.666) and carcinoembryonic antigen (CEA; 0.834). The combination of CEA and CA199 with PB RNA m6A led to an increase in the AUC (0.935). Compared with HCs, the expression of FTO and ALKBH5 was decreased in the CRC. After coculturing with CRC cells, the PBMCs RNA m6A were significantly increased, whereas the expression of FTO and ALKBH5 decreased. Furthermore, m6A RNA levels in the PB of MC38 cancer models were upregulated, whereas the expression of FTO and ALKBH5 decreased. CONCLUSIONS PB RNA m6A levels are a potential diagnostic biomarker for patients with CRC.
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Affiliation(s)
- Chunying Zhang
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jiadi Chen
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jingyi Ren
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaoyu Li
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yaqin Zhang
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Bihan Huang
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yihan Xu
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Luyan Dong
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yingping Cao
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, China.
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Gagrat ZD, Krockenberger M, Bhattacharya A, Gagrat BZ, Leduc CM, Matter MB, Fourrier KD, Mahoney DW, Edwards V DK, Lidgard GP, Limburg PJ, Johnson SC, Domanico MJ, Kisiel JB. Next-generation Multi-target Stool DNA Panel Accurately Detects Colorectal Cancer and Advanced Precancerous Lesions. Cancer Prev Res (Phila) 2024; 17:119-126. [PMID: 38224564 PMCID: PMC10911803 DOI: 10.1158/1940-6207.capr-23-0285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/10/2023] [Accepted: 01/10/2024] [Indexed: 01/17/2024]
Abstract
The multi-target stool DNA (mt-sDNA) test screens for colorectal cancer by analyzing DNA methylation/mutation and hemoglobin markers to algorithmically derive a qualitative result. A new panel of highly discriminant candidate methylated DNA markers (MDM) was recently developed. Performance of the novel MDM panel, with hemoglobin, was evaluated in a simulated screening population using archived stool samples weighted to early-stage colorectal cancer and prospectively collected advanced precancerous lesions (APL). Marker selection study (MSS) and separate preliminary independent verification studies (VS) were conducted utilizing samples from multi-center, case-control studies. Sample processing included targeted MDM capture, bisulfite conversion, and MDM quantitation. Fecal hemoglobin was quantified using ELISA. Samples were stratified into 75%/25% training-testing sets; model outcomes were cross-validated 1,000 times. All laboratory operators were blinded. The MSS included 232 cases (120 colorectal cancer/112 APLs) and 490 controls. The VS featured 210 cases (112 colorectal cancer/98 APLs) and 567 controls; APLs were 86.7% adenomas and 13.3% sessile serrated lesions (SSL). Average age was 65.5 (cases) and 63.2 (controls) years. Mean sensitivity in the VS from cross-validation was 95.2% for colorectal cancer and 57.2% for APLs, with specificities of 89.8% (no CRC/APLs) and 92.4% (no neoplasia). Subgroup analyses showed colorectal cancer sensitivities of 93.4% (stage I) and 94.2% (stage II). APL sensitivity was 82.9% for high-grade dysplasia, 73.4% for villous lesions, 49.8% for tubular lesions, and 30.2% for SSLs. These data support high sensitivity and specificity for a next-generation mt-sDNA test panel. Further evaluation of assay performance will be characterized in a prospective, multi-center clinical validation study (NCT04144738). PREVENTION RELEVANCE This study highlights performance of the next-generation mt-sDNA test, which exhibits high sensitivity and specificity for detecting colorectal cancer and APLs. This noninvasive option has potential to increase screening participation and clinical outcomes. A multi-center, clinical validation trial is underway. See related commentary by Bresalier, p. 93.
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Affiliation(s)
| | | | | | | | | | | | | | - Douglas W. Mahoney
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | | | | | | | | | | | - John B. Kisiel
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Kapinos KA, Halm EA, Murphy CC, Santini NO, Loewen AC, Skinner CS, Singal AG. Cost Effectiveness of Mailed Outreach Programs for Colorectal Cancer Screening: Analysis of a Pragmatic, Randomized Trial. Clin Gastroenterol Hepatol 2022; 20:2383-2392.e4. [PMID: 35144024 PMCID: PMC9357235 DOI: 10.1016/j.cgh.2022.01.054] [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: 04/21/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Clinical guidelines for colorectal cancer (CRC) screening suggest use of either stool-based tests or colonoscopy - modalities that differ in recommended screening intervals, adherence, and costs. We know little about the long-term cost differences in population-health outreach strategies to promote these strategies. METHODS We conducted a cost-effectiveness analysis to compare 2 mailed outreach strategies to increase CRC screening from a pragmatic, randomized clinical trial: mailed fecal immunochemical test (FIT) kits vs invitations to complete a screening colonoscopy. We built a 10-year Markov chain Monte Carlo microsimulation model to account for differences in screening intervals, adherence, and costs. RESULTS Mailed FIT kits had a lower 10-year average per-person cost of screening relative to colonoscopy invitations ($1139 vs $1725) but with 10.89 fewer months of compliance and 60 fewer advanced neoplasia detected (37 advanced adenomas and 23 CRC). Incremental cost effectiveness ratios for colonoscopy invitations compared with mailed FIT kits were $55.23, $15.84, and $25.48 per additional covered month, advanced adenoma, and CRC, respectively. Although FIT was the preferred strategy at low willingness-to-pay thresholds, the 2 strategies were equal at a willingness-to-pay threshold of $41.31 per covered month gained. CONCLUSION Mailed FIT or colonoscopy invitations are both options to improve CRC screening completion and advanced neoplasia detection, and the choice of outreach strategy may differ by a health system's willingness-to-pay threshold. Mailed FIT kits are less expensive than colonoscopy invitations but result in fewer months of screening compliance and advanced neoplasia detected.
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Affiliation(s)
- Kandice A Kapinos
- The Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas; Harold C. Simmons Comprehensive Cancer Center, Dallas, Texas; RAND Corporation, Arlington, Virginia.
| | - Ethan A Halm
- Department of Medicine, Robert Wood Johnson Medical School, New Brunswick, New Jersey
| | - Caitlin C Murphy
- The Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas; School of Public Health, University of Texas Health Science Center at Houston (UTHealth), Houston, Texas
| | | | - Adam C Loewen
- The Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Celette Sugg Skinner
- The Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas; Harold C. Simmons Comprehensive Cancer Center, Dallas, Texas
| | - Amit G Singal
- The Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas; Harold C. Simmons Comprehensive Cancer Center, Dallas, Texas
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Picazo-Perea M, Lopez-Martos A, Rodelgo-Jimenez L, Lorenzo-Lozano M. Sangre oculta en heces en pacientes sintomáticos en Atención Primaria: Un estudio retrospectivo en el área sanitaria de Toledo. Semergen 2022; 48:101815. [DOI: 10.1016/j.semerg.2022.101815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 06/13/2022] [Accepted: 06/19/2022] [Indexed: 10/14/2022]
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Spencer JC, Pignone MP. Facilitating Equitable, High-Quality Cancer Screening in the Post-COVID-19 Era. JAMA Netw Open 2022; 5:e2215496. [PMID: 35657630 PMCID: PMC10460542 DOI: 10.1001/jamanetworkopen.2022.15496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Jennifer C Spencer
- Department of Population Health, Dell Medical School, University of Texas at Austin
- Department of Internal Medicine, Dell Medical School, University of Texas at Austin
| | - Michael P Pignone
- Department of Population Health, Dell Medical School, University of Texas at Austin
- Department of Internal Medicine, Dell Medical School, University of Texas at Austin
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Redwood DG, Dinh TA, Kisiel JB, Borah BJ, Moriarty JP, Provost EM, Sacco FD, Tiesinga JJ, Ahlquist DA. Cost-Effectiveness of Multitarget Stool DNA Testing vs Colonoscopy or Fecal Immunochemical Testing for Colorectal Cancer Screening in Alaska Native People. Mayo Clin Proc 2021; 96:1203-1217. [PMID: 33840520 DOI: 10.1016/j.mayocp.2020.07.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/17/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To estimate the cost-effectiveness of multitarget stool DNA testing (MT-sDNA) compared with colonoscopy and fecal immunochemical testing (FIT) for Alaska Native adults. PATIENTS AND METHODS A Markov model was used to evaluate the 3 screening test effects over 40 years. Outcomes included colorectal cancer (CRC) incidence and mortality, costs, quality-adjusted life-years (QALYs), and incremental cost-effectiveness ratios (ICERs). The study incorporated updated evidence on screening test performance and adherence and was conducted from December 15, 2016, through November 6, 2019. RESULTS With perfect adherence, CRC incidence was reduced by 52% (95% CI, 46% to 56%) using colonoscopy, 61% (95% CI, 57% to 64%) using annual FIT, and 66% (95% CI, 63% to 68%) using MT-sDNA. Compared with no screening, perfect adherence screening extends life by 0.15, 0.17, and 0.19 QALYs per person with colonoscopy, FIT, and MT-sDNA, respectively. Colonoscopy is the most expensive strategy: approximately $110 million more than MT-sDNA and $127 million more than FIT. With imperfect adherence (best case), MT-sDNA resulted in 0.12 QALYs per person vs 0.05 and 0.06 QALYs per person by FIT and colonoscopy, respectively. Probabilistic sensitivity analyses supported the base-case analysis. Under varied adherence scenarios, MT-sDNA either dominates or is cost-effective (ICERs, $1740-$75,868 per QALY saved) compared with FIT and colonoscopy. CONCLUSION Each strategy reduced costs and increased QALYs compared with no screening. Screening by MT-sDNA results in the largest QALY savings. In Markov model analysis, screening by MT-sDNA in the Alaska Native population was cost-effective compared with screening by colonoscopy and FIT for a wide range of adherence scenarios.
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Doria-Rose VP, Lansdorp-Vogelaar I, McCarthy S, Puricelli-Perin DM, Butera V, Segnan N, Taplin SH, Senore C. Measures of longitudinal adherence to fecal-based colorectal cancer screening: Literature review and recommended approaches. Int J Cancer 2021; 149:316-326. [PMID: 33811643 DOI: 10.1002/ijc.33589] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/11/2021] [Accepted: 03/12/2021] [Indexed: 12/14/2022]
Abstract
The success of fecal occult blood-based colorectal cancer screening programs is dependent on repeating screening at short intervals (ie, every 1-2 years). We conducted a literature review to assess measures that have been used to assess longitudinal adherence to fecal-based screening. Among 46 citations identified and included in this review, six broad classifications of longitudinal adherence were identified: (a) stratified single-round attendance, (b) all possible adherence permutations, (c) consistent/inconsistent/never attendance, (d) number of times attended, (e) program adherence and (f) proportion of time covered. Advantages and disadvantages of these measures are described, and recommendations on which measures to use based on data availability and scientific question are also given. Stratified single round attendance is particularly useful for describing the yield of screening, while programmatic adherence measures are best suited to evaluating screening efficacy. We recommend that screening programs collect detailed longitudinal, individual-level data, not only for the screening tests themselves but additionally for diagnostic follow-up and surveillance exams, to allow for maximum flexibility in reporting adherence patterns using the measure of choice.
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Affiliation(s)
- V Paul Doria-Rose
- Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland, USA
| | | | - Sharon McCarthy
- Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland, USA
| | - Douglas M Puricelli-Perin
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Vicent Butera
- Center for Global Health, National Cancer Institute, Bethesda, Maryland, USA
| | - Nereo Segnan
- AOU Cittadella Salute e della Scienza, Centro di Prevenzione Oncologica Piemonte, Turin, Italy
| | - Stephen H Taplin
- Center for Global Health, National Cancer Institute, Bethesda, Maryland, USA
| | - Carlo Senore
- AOU Cittadella Salute e della Scienza, Centro di Prevenzione Oncologica Piemonte, Turin, Italy
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Nwankwo EC, Lines J, Trehan S, Marsh M, Trehan A, Banwait K, Pathapati S, Misra S, Obokhare I. Improving Adenoma Detection Rates: The Role of the Fecal Immunochemical Test. Cureus 2021; 13:e14382. [PMID: 33976998 PMCID: PMC8106918 DOI: 10.7759/cureus.14382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background There is limited knowledge about adenoma detection rates (ADRs) in patients with a positive fecal immunochemical test (FIT). We hypothesized that colonoscopy performed after FIT would result in higher ADRs. Methods We reviewed ADRs for colonoscopies performed after a positive FIT test and compared them to ADR rates for routine colonoscopy performed without an initial FIT test between November 2014 and March 2017 at multiple endoscopy sites. Results A total of 979 patients underwent a FIT testing in the Texas panhandle, of whom 12.1% (n=119) tested positive. Also, 32.8% (n=39) were found to have one or more tubular adenomatous polyps on final pathological examination. Among these patients, the majority were female (64.1%; n=25). Of the patients, 15.9% (n=19) had a hyperplastic polyp, 1.7% (n=2) had findings consistent with ulcerative colitis, and 0.8% (n=1) were positive for an adenocarcinoma. In the control group of 2,603 patients in whom routine colonoscopy was performed as the initial tool for screening, 719 were found to have one or more tubular adenomas, with an ADR rate of 27.5%. In this group, the cancer rate was found to be 1%. Conclusions There was a significant increase in the ADR when colonoscopy is conducted after a positive FIT test. Recommending colonoscopies after a positive FIT test will not only improve ADRs significantly but also lower the overall healthcare cost for screening colon cancer in this era of escalating healthcare costs.
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Affiliation(s)
| | - Jefferson Lines
- General Surgery, Texas Tech University Health Sciences Center, Amarillo, USA
| | - Sahiba Trehan
- General Surgery, Texas Tech University Health Sciences Center, Amarillo, USA
| | - Michelle Marsh
- General Surgery, Texas Tech University Health Sciences Center, Amarillo, USA
| | - Amit Trehan
- Gastroenterology, Amarillo Endoscopy Center, Amarillo, USA
| | - Kuldip Banwait
- Gastroenterology, Panhandle Gastroenterology, Amarillo, USA
| | | | - Subhasis Misra
- Surgery, Oncology, Texas Tech University Health Sciences Center, Amarillo, USA
| | - Izi Obokhare
- General Surgery, Texas Tech University Health Sciences Center, Amarillo, USA
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Serum Levels of BDNF in Patients with Adenoma and Colorectal Cancer. DISEASE MARKERS 2021; 2021:8867368. [PMID: 33628340 PMCID: PMC7895608 DOI: 10.1155/2021/8867368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 12/11/2022]
Abstract
The present study is aimed at examining the serum levels of brain-derived neurotrophic factor (BDNF) and investigating its role in differential diagnosis of colorectal cancer (CRC). Materials and Methods. In a Chinese population, we conducted a case-control study to compare the diagnostic performance of serum levels of BDNF and carcinoembryonic antigen (CEA) for CRC. We enrolled 61 healthy controls, 31 patients with adenomas, and 81 patients with CRC. We explored the correlation between serum levels of BDNF and several pathological features, such as tumor differentiation and TNM staging. Results. The serum levels of BDNF were significantly (p < 0.0001) higher in patients with CRC (10.64 ± 3.84, n = 81) than in the healthy controls (4.69 ± 1.69 ng/mL, n = 61). Serum BDNF also correlated with tumor size, tumor differentiation, and TNM staging (p < 0.05). For early diagnosis, the combination of BDNF (AUC 0.719; 95% CI, 0.621–0.816) and CEA (AUC 0.733; 95% CI, 0.632–0.909) slightly improved the diagnostic performance for CRC (AUC 0.823; 95% CI, 0.737-0.909). Conclusions. Combined detection of serum BDNF and CEA may thus have the potential to become a new laboratory method for the early clinical diagnosis of CRC.
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Solís-Ibinagagoitia M, Unanue-Arza S, Díaz-Seoane M, Martínez-Indart L, Lebeña-Maluf A, Idigoras I, Bilbao I, Portillo I. Factors Related to Non-participation in the Basque Country Colorectal Cancer Screening Programme. Front Public Health 2020; 8:604385. [PMID: 33363095 PMCID: PMC7760939 DOI: 10.3389/fpubh.2020.604385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 11/11/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Despite the high participation rates in the Basque Country, colorectal cancer screening programme (Spain), there is still a part of the population that has never participated. Since it is essential to ensure equal access to health services, it is necessary to identify the determinants of health and socio-economic factors related to non-participation in the screening programme. Methods: Cross sectional descriptive study including all invited population in a complete round between 2015 and the first trimester of 2017. Health risk factors available in medical records and their control have been analyzed using univariate and multivariate analyses. Results: 515,388 people were invited at the programme with a 71.9% of fecal immunochemical test participation rate. Factors that increase the risk of non-participation are: being men (OR = 1.10, 95% CI 1.09-1.12); younger than 60 (OR = 1.18, 95% CI 1.17-1.20); smoker (OR = 1.20, 95% CI 1.18-1.22); hypertensive (OR = 1.14, 95% CI 1.12-1.15) and diabetic (OR = 1.40, 95% CI 1.36-1.43); having severe comorbidity (OR = 2.09, 95% CI 2.00-2.19) and very high deprivation (OR = 1.15, 95% CI 1.12-1.17), as well as making <6 appointments to Primary Care in 3 years (OR = 2.39, 95% CI 2.33-2.45). Still, the area under the curve (AUC) indicates that there are more factors related to non-participation. Conclusions: The participation in the Basque Country colorectal cancer-screening Programme is related to some risk factors controlled by Primary Care among others. Therefore, the involvement of these professionals could improve, not only the adherence to the CRC screening, but also other health styles and preventive interventions.
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Affiliation(s)
| | - S Unanue-Arza
- Department of Nursing I, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
| | - M Díaz-Seoane
- Department of Preventive Medicine and Public Health, University Clinical Hospital of Valladolid, Valladolid, Spain
| | | | - A Lebeña-Maluf
- BioCruces-Bizkaia Health Research Institute, Barakaldo, Spain
| | - I Idigoras
- BioCruces-Bizkaia Health Research Institute, Barakaldo, Spain.,Basque Country Colorectal Cancer Screening Programme, Osakidetza, Basque Health Service, Bilbao, Spain
| | - I Bilbao
- Basque Country Colorectal Cancer Screening Programme, Osakidetza, Basque Health Service, Bilbao, Spain
| | - I Portillo
- BioCruces-Bizkaia Health Research Institute, Barakaldo, Spain.,Basque Country Colorectal Cancer Screening Programme, Osakidetza, Basque Health Service, Bilbao, Spain
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Lam TYT, Wu PI, Tang RSY, Luk AKC, Ng S, Sung JJY. Mobile messenger-initiated reminders improve longitudinal adherence in a community-based, opportunistic colorectal cancer screening program: A single-blind, crossover randomized controlled study. Cancer 2020; 127:914-921. [PMID: 33216357 DOI: 10.1002/cncr.33336] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/23/2020] [Accepted: 10/29/2020] [Indexed: 11/09/2022]
Abstract
BACKGROUND The fecal immunochemical test (FIT) is a cost-effective colorectal cancer (CRC) screening tool. However, longitudinal adherence, a factor that is critical to the success to any FIT-based screening program, often is poor. The authors hypothesized that reminders sent via mobile messengers, such as WhatsApp, improve such adherence. METHODS In the current single-blind, randomized study, subjects from an opportunistic FIT screening program who had a negative FIT result the year prior were randomly allocated (1:1) to receive either a 1-off reminder via the WhatsApp messenger (WR) 1 month prior to the due appointments or no reminder (NR). All subjects were blinded to study participation and group allocation. At 24 months after randomization, a crossover of intervention was performed among those individuals who remained in the FIT program. The primary outcome was FIT adherence, defined as the pick-up and on-time return of the FIT. The secondary outcome was FIT adherence after the crossover. RESULTS A total of 500 subjects were randomized to receive WR (250 subjects) or NR (250 subjects). Three individuals were excluded from analysis (1 died and 2 underwent colonoscopy). Both the FIT pick-up rate (80.3% vs 59.3%; P < .001) and return rate (79.9% vs 57.3%; P < .001) were significantly higher in the WR group compared with the NR group. After crossover of intervention (452 subjects), the WR group again was found to have a higher FIT pick-up rate (79.1% vs 52.9%; P < .001) and return rate (78.2% vs 52.4%; P < .001). CONCLUSIONS Text reminders sent via mobile messenger appear to improve the longitudinal adherence to FIT-based opportunistic CRC screening programs. The routine use of this technology in CRC screening should be considered.
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Affiliation(s)
- Thomas Y T Lam
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Peter I Wu
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong.,Department of Gastroenterology and Hepatology, St. George Hospital, University of New South Wales, Sydney, New South Wales, Australia
| | - Raymond S Y Tang
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Arthur K C Luk
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Simpson Ng
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Joseph J Y Sung
- Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, Hong Kong
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13
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Kew GS, Koh CJ. Strategies to Improve Persistent Adherence in Colorectal Cancer Screening. Gut Liver 2020; 14:546-552. [PMID: 31822055 PMCID: PMC7492491 DOI: 10.5009/gnl19306] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/22/2019] [Accepted: 10/31/2019] [Indexed: 01/08/2023] Open
Abstract
Colorectal cancer is a major cause of morbidity and mortality, and screening has been shown to reduce morbidity and mortality. This review highlights pertinent aspects of adherence to screening including the various options available and key concepts to consider in any systematic program. Persistent adherence, which is key to an efficacious screening program, is the compliance with repeated screening tests over a period of time. A “chain of survival” mindset emphasizes the stepwise, sequential and persistent approach to screening and is a helpful concept to drive the message of persistent adherence. A framework for the patient and physician interactions that support screening intervention is examined, and various factors that impact both patient and physician adoption and screening modality recommendations are reviewed. While systems-based approaches to screening have great utility in automation and monitoring in a surveillance program, some emerging data suggests that the human touch is still an essential driver for active participation in these programs. Finally, the proportion of time concept is discussed as a useful index for monitoring persistent adherence in both individuals and populations.
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Affiliation(s)
- Guan Sen Kew
- Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, Singapore
| | - Calvin Jianyi Koh
- Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, Singapore.,Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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14
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Kisiel JB, Eckmann JD, Limburg PJ. Multitarget Stool DNA for Average Risk Colorectal Cancer Screening: Major Achievements and Future Directions. Gastrointest Endosc Clin N Am 2020; 30:553-568. [PMID: 32439088 PMCID: PMC10964930 DOI: 10.1016/j.giec.2020.02.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
After 2 screen-setting studies showing high sensitivity for colorectal cancer and advanced precancerous lesions, multitarget stool DNA testing was endorsed by the US Preventative Services Task Force as a first-line colorectal cancer screening test. Uptake has increased exponentially since approval by the US Food and Drug Administration and Centers for Medicare and Medicaid Services. Adherence to testing is approximately 70%. Patients with positive results have high diagnostic colonoscopy completion rates in single-center studies. The positive predictive value for colorectal neoplasia in postapproval studies is high. Next-generation test prototypes show promise to extend specificity gains while maintaining high sensitivity.
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Affiliation(s)
- John B Kisiel
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street, Southwest, Rochester, MN 55905, USA.
| | - Jason D Eckmann
- Department of Internal Medicine, Mayo Clinic, 200 First Street, Southwest, Rochester, MN 55905, USA. https://twitter.com/JasonEckmannMD
| | - Paul J Limburg
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street, Southwest, Rochester, MN 55905, USA. https://twitter.com/limburg_paul
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Paltiel O, Keidar Tirosh A, Paz Stostky O, Calderon-Margalit R, Cohen AD, Elran E, Valinsky L, Matz E, Krieger M, Yehuda AB, Jaffe DH, Manor O. Adherence to national guidelines for colorectal cancer screening in Israel: Comprehensive multi-year assessment based on electronic medical records. J Med Screen 2020; 28:25-33. [PMID: 32356670 DOI: 10.1177/0969141320919152] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To assess time trends in colorectal cancer screening uptake, time-to-colonoscopy completion following a positive fecal occult blood test and associated patient factors, and the extent and predictors of longitudinal screening adherence in Israel. SETTING Nation-wide population-based study using data collected from four health maintenance organizations for the Quality Indicators in Community Healthcare Program. METHODS Screening uptake for the eligible population (aged 50-74) was recorded 2003-2018 using aggregate data. For a subcohort (2008-2012, N = 1,342,617), time-to-colonoscopy following a positive fecal occult blood test and longitudinal adherence to screening guidelines were measured using individual-level data, and associated factors assessed in multivariate models. RESULTS The annual proportion screened rose for both sexes from 11 to 65%, increasing five-fold for age group 60-74 and >six-fold for 50-59 year olds, respectively. From 2008 to 2012, 67,314 adults had a positive fecal occult blood test, of whom 71% eventually performed a colonoscopy after a median interval of 122 (95% confidence interval 110.2-113.7) days. Factors associated with time-to-colonoscopy included age, socioeconomic status, and comorbidities. Only 25.5% of the population demonstrated full longitudinal screening adherence, mainly attributable to colonoscopy in the past 10 years rather than annual fecal occult blood test performance (83% versus 17%, respectively). Smoking, diabetes, lower socioeconomic status, cardiovascular disease, and hypertension were associated with decreased adherence. Performance of other cancer screening tests and frequent primary care visits were strongly associated with adherence. CONCLUSIONS Despite substantial improvement in colorectal cancer screening uptake on a population level, individual-level data uncovered gaps in colonoscopy completion after a positive fecal occult blood test and in longitudinal adherence to screening, which should be addressed using focused interventions.
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Affiliation(s)
- Ora Paltiel
- Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel.,Quality Indicators in Community Healthcare Program, Jerusalem, Israel
| | - Aravah Keidar Tirosh
- Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel.,Quality Indicators in Community Healthcare Program, Jerusalem, Israel
| | - Orit Paz Stostky
- Pharmacy Department, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
| | - Ronit Calderon-Margalit
- Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel.,Quality Indicators in Community Healthcare Program, Jerusalem, Israel
| | - Arnon D Cohen
- Department of Quality Measurements and Research, Chief Physician's Office, Clalit Health Services, Tel Aviv, Israel
| | - Einat Elran
- Quality Management Department, Maccabi Healthcare Services, Tel Aviv, Israel
| | - Liora Valinsky
- Quality Department, Meuhedet Health Care, Tel Aviv, Israel
| | - Eran Matz
- Community Health Services, Leumit Health Services, Tel Aviv, Israel
| | - Michal Krieger
- Quality Indicators in Community Healthcare Program, Jerusalem, Israel
| | - Arye Ben Yehuda
- Quality Indicators in Community Healthcare Program, Jerusalem, Israel.,Department of Internal Medicine, Hadassah-Hebrew University, Jerusalem, Israel
| | - Dena H Jaffe
- Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel.,Quality Indicators in Community Healthcare Program, Jerusalem, Israel
| | - Orly Manor
- Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel.,Quality Indicators in Community Healthcare Program, Jerusalem, Israel
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16
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Multitarget Stool DNA Screening in Clinical Practice: High Positive Predictive Value for Colorectal Neoplasia Regardless of Exposure to Previous Colonoscopy. Am J Gastroenterol 2020; 115:608-615. [PMID: 32068535 PMCID: PMC7127971 DOI: 10.14309/ajg.0000000000000546] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Multitarget stool DNA (MT-sDNA) testing has grown as a noninvasive screening modality for colorectal cancer (CRC), but real-world clinical data are limited in the post-FDA approval setting. The effect of previous colonoscopy on MT-sDNA performance is not known. We aimed to evaluate findings of colorectal neoplasia (CRN) at diagnostic colonoscopy in patients with positive MT-sDNA testing, stratified by patient exposure to previous colonoscopy. METHODS We identified consecutive patients completing MT-sDNA testing over a 39-month period and reviewed the records of those with positive tests for neoplastic findings at diagnostic colonoscopy. MT-sDNA test positivity rate, adherence to diagnostic colonoscopy, and the positive predictive value (PPV) of MT-sDNA for any CRN and neoplastic subtypes were calculated. RESULTS Of 16,469 MT-sDNA tests completed, testing returned positive in 2,326 (14.1%) patients. After exclusion of patients at increased risk for CRC, 1,801 patients remained, 1,558 (87%) of whom underwent diagnostic colonoscopy; 918 of 1,558 (59%) of these patients had undergone previous colonoscopy, whereas 640 (41%) had not. Any CRN was found in 1,046 of 1,558 patients (PPV = 67%). More neoplastic lesions were found in patients without previous colonoscopy (73%); however, the rates remained high among those who had undergone previous colonoscopy (63%, P < 0.0001). The large majority (79%) of patients had right-sided neoplasia. DISCUSSION MT-sDNA has a high PPV for any CRN regardless of exposure to previous colonoscopy. Right-sided CRN was found at colonoscopy in most patients with positive MT-sDNA testing, representing a potential advantage over other currently available screening modalities for CRC.
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17
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Eckmann JD, Ebner DW, Kisiel JB. Multi-Target Stool DNA Testing for Colorectal Cancer Screening: Emerging Learning on Real-world Performance. CURRENT TREATMENT OPTIONS IN GASTROENTEROLOGY 2020; 18:109-119. [PMID: 31965446 PMCID: PMC10966619 DOI: 10.1007/s11938-020-00271-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW Multi-target stool DNA (MT-sDNA) was approved in 2014 for use in screening average-risk patients for colorectal cancer (CRC). Here, we highlight recent literature from post-market studies to provide an update on clinical use and utility not possible from pre-approval studies. RECENT FINDINGS MT-sDNA has been included in major society guidelines as an option for colorectal cancer screening, and has seen exponentially increasing use in clinical practice. MT-sDNA appears to be attracting new patients to CRC screening, and patient adherence to diagnostic colonoscopy after a positive MT-sDNA test is high. Approximately two-thirds of these patients are found to have colorectal neoplasia (CRN), 80% of whom have at least one right-sided lesion; 1 in 3 will have advanced CRN. High yield of CRN is due not only to post-screening increase in probability but also likely improved endoscopist attention. In those with a negative high-quality colonoscopy after positive MT-sDNA test ("false positive MT-sDNA"), further interventions do not appear to be necessary. SUMMARY MT-sDNA is a promising tool to improve rates and quality of CRC screening. Further investigation should examine MT-sDNA performance in populations at increased risk for CRC, and as an interval test after colonoscopy to detect potentially missed lesions.
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Affiliation(s)
- Jason D Eckmann
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Derek W Ebner
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55902, USA
| | - John B Kisiel
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55902, USA.
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18
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Murphy CC, Sen A, Watson B, Gupta S, Mayo H, Singal AG. A Systematic Review of Repeat Fecal Occult Blood Tests for Colorectal Cancer Screening. Cancer Epidemiol Biomarkers Prev 2019; 29:278-287. [PMID: 31740521 DOI: 10.1158/1055-9965.epi-19-0775] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/29/2019] [Accepted: 11/12/2019] [Indexed: 12/14/2022] Open
Abstract
Screening with fecal occult blood tests (FOBT) reduces colorectal cancer mortality. Failure to complete repeat tests may compromise screening effectiveness. We conducted a systematic review of repeat FOBT across diverse health care settings. We searched MEDLINE, Embase, and the Cochrane Library for studies published from 1997 to 2017 and reported repeat FOBT over ≥2 screening rounds. Studies (n = 27 reported in 35 articles) measured repeat FOBT as (i) proportion of Round 1 participants completing repeat FOBT in Round 2; (ii) proportion completing two, consecutive FOBT; or (iii) proportion completing ≥3 rounds. Among those who completed FOBT in Round 1, 24.6% to 89.6% completed repeat FOBT in Round 2 [median: 82.0%; interquartile range (IQR): 73.7%-84.6%]. The proportion completing FOBT in two rounds ranged from 16.4% to 80.0% (median: 46.6%; IQR: 40.5%-50.0%), and in studies examining ≥3 rounds, repeat FOBT ranged from 0.8% to 64.1% (median: 39.2%; IQR: 19.7%-49.4%). Repeat FOBT appeared higher in mailed outreach (69.1%-89.6%) compared with opportunistic screening (24.6%-48.6%). Few studies examined correlates of repeat FOBT. In summary, we observed a wide prevalence of repeat FOBT, and prevalence generally declined in successive screening rounds. Interventions that increase and maintain participation in FOBT are needed to optimize effectiveness of this screening strategy.
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Affiliation(s)
- Caitlin C Murphy
- Department of Population and Data Sciences, UT Southwestern Medical Center, Dallas, Texas.
- Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Ahana Sen
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
| | - Bianca Watson
- Department of Psychiatry and Behavioral Sciences, Tulane School of Medicine, New Orleans, Louisiana
| | - Samir Gupta
- Veterans Affairs San Diego Healthcare System, UC San Diego, San Diego, California
| | - Helen Mayo
- Health Sciences Digital Library and Learning Center, UT Southwestern Medical Center, Dallas Texas
| | - Amit G Singal
- Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
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19
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Colorectal cancer in Saudi Arabia as the proof-of-principle model for implementing strategies of predictive, preventive, and personalized medicine in healthcare. EPMA J 2019; 11:119-131. [PMID: 32140189 DOI: 10.1007/s13167-019-00186-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 08/14/2019] [Indexed: 12/24/2022]
Abstract
Colorectal cancer (CRC) is the most commonly diagnosed cancer among Saudi males and ranks third in females with up to 73% of cases diagnosed at late stage. This review provides an analysis of CRC situation in the Kingdom of Saudi Arabia (KSA) from healthcare perspective. A PUBMED (1986-2018) search was done to identify publications focusing on CRC in KSA. Due to reports of increased CRC incidence among young age group (< 50), and given the young population of KSA, the disease may burden the national healthcare system in the next decades. Environmental factors attributed to increasing incidence rates of CRC include red meat consumption, sedentary lifestyle, and increased calorie intake. Despite substantial investment in healthcare, attention to predictive diagnostics and targeted prevention is lacking. There is a need to develop national screening guidelines based on evidence that supports a reduction in incidence and mortality of CRC when screening is implemented. Future approaches are discussed based on multi-level diagnostics, risk assessment, and population screening programs focused on the needs of young populations that among others present the contents of the advanced approach by predictive, preventive, and personalized medicine. Recommendations are provided that could help to develop policies at regional and national levels. Countries with demographics and lifestyle similar to KSA may gain insights from this review to shape their policies and procedures.
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20
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Nielson CM, Vollmer WM, Petrik AF, Keast EM, Green BB, Coronado GD. Factors Affecting Adherence in a Pragmatic Trial of Annual Fecal Immunochemical Testing for Colorectal Cancer. J Gen Intern Med 2019; 34:978-985. [PMID: 30684199 PMCID: PMC6544723 DOI: 10.1007/s11606-018-4820-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 09/27/2018] [Accepted: 11/27/2018] [Indexed: 01/20/2023]
Abstract
BACKGROUND Colorectal cancer screening by fecal immunochemical test (FIT) reduces the burden of colorectal cancer. However, effectiveness relies on annual adherence, which presents challenges for clinic staff and patients. OBJECTIVE Describe FIT return rates and identify factors associated with FIT adherence over 2 years in a mailed FIT outreach program in federally qualified health centers. DESIGN Observational study nested in the Strategies and Opportunities to Stop Colon Cancer in Priority Populations (STOP CRC) trial. Five thousand one hundred ninety-five patients had an initial FIT order and were followed for ≥ 2 years (3574 also had a FIT order in the second year). MAIN MEASURES FIT return percent in each year and patient- and neighborhood-level characteristics associated with FIT adherence. KEY RESULTS Overall, the proportion of FIT orders that were completed was 46% in the patients' first year and 41% in the patients' second year. Of the 5195 patients with a FIT order in year 1, 3574 (69%) also had a FIT order in year 2 (71% of year 1 adherers and 67% of year 1 non-adherers, p = 0.009). Among those with a FIT order in the second year, the FIT return rate was about twice as high among those who were adherent in the first year (952/1674, or 57%) as among those who were not (531/1900, or 28%, p < 0.0001). Patient-level characteristics associated with higher odds of FIT return were a history of FIT screening at baseline, age over 65 (vs 50-65), no current tobacco use, recent receipt of a mammogram or flu vaccine, Asian ancestry (compared to non-Hispanic white), and non-English preference. The only neighborhood factor associated with lower FIT return rate was patient's larger residential city size. CONCLUSION Our findings can inform the customization of programs to promote FIT return among patients who receive care at federally qualified health centers. TRIAL REGISTRATION http://www.clinicaltrials.gov.
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Affiliation(s)
- Carrie M Nielson
- Kaiser Permanente Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA
| | - William M Vollmer
- Kaiser Permanente Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA
| | - Amanda F Petrik
- Kaiser Permanente Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA
| | - Erin M Keast
- Kaiser Permanente Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA
| | - Beverly B Green
- Kaiser Permanente Washington Health Research Institute, Seattle, WA, USA
| | - Gloria D Coronado
- Kaiser Permanente Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA.
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21
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Alyabsi M, Charlton M, Meza J, Islam KMM, Soliman A, Watanabe-Galloway S. The impact of travel time on colorectal cancer stage at diagnosis in a privately insured population. BMC Health Serv Res 2019; 19:172. [PMID: 30885199 PMCID: PMC6423832 DOI: 10.1186/s12913-019-4004-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 03/12/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Rural residents are less likely to receive screening for colorectal cancer (CRC) than urban residents. However, the mechanisms underlying this disparity, especially among people aged 50-64 years old with private health insurance, are not well understood. We examined the impact of travel time on stage at CRC diagnosis. METHODS This retrospective cohort study used data from the Blue Cross and Blue Shield of Nebraska. Members of this private insurance company aged 50-64 years, diagnosed with CRC during the period 2012-2016, and continuously enrolled in the insurance plan for at least 6 months prior to CRC diagnosis, were selected for this study. Using Google Maps, we estimated patients' travel time from their home ZIP code to the ZIP code of their colonoscopy provider. Using logistic regression, we analyzed the association between stage at CRC diagnosis, travel time, use of preventive services (i.e., check-ups or counseling to prevent or detect illness at an early stage) and patient characteristics. RESULTS A total of 307 subjects met the inclusion criteria. People who had not used preventive services 6 months prior to CRC diagnosis had 2.80 (95% CI, 1.00-7.90) times the odds of metastatic CRC compared to those who had used these services. No statistically significant association was found between travel time and metastatic CRC diagnosis (P = 0.99; 95% CI, 0.98-1.01). CONCLUSIONS The fact that 13% of the study population presented with metastatic CRC suggests some noncompliance with preventive services such as screening guidelines. To increase screening uptake and reduce metastatic cases, employers should offer incentives for their employees to make use of preventive services such as CRC screening.
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Affiliation(s)
- Mesnad Alyabsi
- Department of Population Health Research, King Abdullah International Medical Research Center (KAIMRC), King Saud bin Abdulaziz University for Health Sciences, P.O. Box 3660, Riyadh, 11481, 1515 Saudi Arabia
| | - Mary Charlton
- Department of Epidemiology, University of Iowa College of Public Health, 145 N. Riverside Drive, Iowa City, Iowa, 52242 USA
| | - Jane Meza
- Department of Biostatistics, University of Nebraska Medical Center, College of Public Health, 984375 Nebraska Medical Center, Omaha, NE 68198–4395 USA
| | - K. M. Monirul Islam
- Department of Epidemiology, University of Nebraska Medical Center, College of Public Health, 984395 Nebraska Medical Center, Omaha, NE 68198–4395 USA
| | - Amr Soliman
- City University of New York School of Medicine, Community Health and Social Medicine, 160 Convent Avenue, New York, NY 10031 USA
| | - Shinobu Watanabe-Galloway
- Department of Epidemiology, University of Nebraska Medical Center, College of Public Health, 984395 Nebraska Medical Center, Omaha, NE 68198–4395 USA
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22
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Analysis of healthcare service utilization after transport-related injuries by a mixture of hidden Markov models. PLoS One 2018; 13:e0206274. [PMID: 30408046 PMCID: PMC6224052 DOI: 10.1371/journal.pone.0206274] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 10/10/2018] [Indexed: 12/15/2022] Open
Abstract
Background Transport injuries commonly result in significant disease burden, leading to physical disability, mental health deterioration and reduced quality of life. Analyzing the patterns of healthcare service utilization after transport injuries can provide an insight into the health of the affected parties, allow improved health system resource planning, and provide a baseline against which any future system-level interventions can be evaluated. Therefore, this research aims to use time series of service utilization provided by a compensation agency to identify groups of claimants with similar utilization patterns, describe such patterns, and characterize the groups in terms of demographic, accident type and injury type. Methods To achieve this aim, we have proposed an analytical framework that utilizes latent variables to describe the utilization patterns over time and group the claimants into clusters based on their service utilization time series. To perform the clustering without dismissing the temporal dimension of the time series, we have used a well-established statistical approach known as the mixture of hidden Markov models (MHMM). Ensuing the clustering, we have applied multinomial logistic regression to provide a description of the clusters against demographic, injury and accident covariates. Results We have tested our model with data on psychology service utilization from one of the main compensation agencies for transport accidents in Australia, and found that three clear clusters of service utilization can be evinced from the data. These three clusters correspond to claimants who have tended to use the services 1) only briefly after the accident; 2) for an intermediate period of time and in moderate amounts; and 3) for a sustained period of time, and intensely. The size of these clusters is approximately 67%, 27% and 6% of the number of claimants, respectively. The multinomial logistic regression analysis has showed that claimants who were 30 to 60-year-old at the time of accident, were witnesses, and who suffered a soft tissue injury were more likely to be part of the intermediate cluster than the majority cluster. Conversely, claimants who suffered more severe injuries such as a brain head injury or anon-limb fracture injury and who started their service utilization later were more likely to be part of the sustained cluster. Conclusion This research has showed that clustering of service utilization time series is an effective approach for identifying the main user groups and utilization patterns of a healthcare service. In addition, using logistic regression to describe the clusters in terms of demographic, injury and accident covariates has helped identify the salient attributes of the claimants in each cluster. This finding is very important for the compensation agency and potentially other authorities as it provides a baseline to improve need understanding, resource planning and service provision.
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Adherence to colorectal cancer screening measured as the proportion of time covered. Gastrointest Endosc 2018; 88:323-331.e2. [PMID: 29477302 PMCID: PMC6050149 DOI: 10.1016/j.gie.2018.02.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 02/15/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Colorectal cancer (CRC) screening can reduce CRC incidence and mortality, but measuring screening adherence over time is challenging. We examined adherence using a novel measure characterizing the proportion of time covered (PTC) by screening tests. METHODS Eligible patients were age 50 to 60 years and followed at a large, safety-net health care system between January 2010 and September 2014. We estimated PTC as the number of days up to date with screening divided by the number of days from cohort entry until study end, CRC diagnosis, or death. We estimated mean and median PTC and used least-significant difference tests to assess differences in adherence by patient characteristics. RESULTS Of 18,257 patients, most were non-Hispanic black (40.5%) or Hispanic (34.9%) and/or female (62.4%). Approximately 40% (n = 7559) were never screened during the study period; the remaining 10,698 patients completed 19,105 screening examinations (14,481 fecal immunochemical tests [FITs], 4393 colonoscopies, 94 sigmoidoscopies, and 137 barium enemas). Overall, the mean PTC was 29.1% (95% confidence interval [CI], 28.6%-29.5%). Among those who completed at least one screening test (n = 10,698), the mean PTC was 49.0% (95% CI, 48.5%-49.5%). The most common reasons for non-adherence were lack of repeat FIT and no diagnostic colonoscopy after abnormal results for the FIT. The mean PTC increased with the number of primary care visits (0 visits, 21%; 1 visit, 29%; 2-3 visits, 35%; ≥4 visits, 37%; all P < .05). CONCLUSIONS PTC provides a reliable estimate of screening adherence, capturing breakdowns in the CRC screening process amenable to intervention. Repeat FIT and diagnostic colonoscopy are important intervention targets that may increase adherence in underserved populations.
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Singal AG, Corley DA, Kamineni A, Garcia M, Zheng Y, Doria-Rose PV, Quinn VP, Jensen CD, Chubak J, Tiro J, Doubeni CA, Ghai NR, Skinner CS, Wernli K, Halm EA. Patterns and predictors of repeat fecal immunochemical and occult blood test screening in four large health care systems in the United States. Am J Gastroenterol 2018; 113:746-754. [PMID: 29487413 PMCID: PMC6476786 DOI: 10.1038/s41395-018-0023-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 01/23/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Effectiveness of fecal occult blood test (FOBT) for colorectal cancer (CRC) screening depends on annual testing, but little is known about patterns of repeat stool-based screening within different settings. Our study's objective was to characterize screening patterns and identify factors associated with repeat screening among patients who completed an index guaiac FOBT (gFOBT) or fecal immunochemical test (FIT). METHODS We performed a multi-center retrospective cohort study among people who completed a FOBT between January 2010 and December 2011 to characterize repeat screening patterns over the subsequent 3 years. We studied at 4 large health care delivery systems in the United States. Logistic regression analyses were used to identify factors associated with repeat screening patterns. We included individuals aged 50-71 years who completed an index FOBT and had at least 3 years of follow-up. We excluded people with a history of CRC, colonoscopy within 10 years or flexible sigmoidoscopy within 5 years before the index test, or positive index stool test. Consistent screening was defined as repeat FOBT within every 15 months and inconsistent screening as repeat testing at least once during follow-up but less than consistent screening. RESULTS Among 959,857 eligible patients who completed an index FIT or gFOBT, 344,103 had three years of follow-up and met inclusion criteria. Of these, 46.6% had consistent screening, 43.4% inconsistent screening, and 10% had no repeat screening during follow-up. Screening patterns varied substantially across healthcare systems, with consistent screening proportions ranging from 1 to 54.3% and no repeat screening proportions ranging from 6.9 to 42.8%. Higher consistent screening proportions were observed in health systems with screening outreach and in-reach programs, whereas the safety-net health system, which uses opportunistic clinic-based screening, had the lowest consistent screening. Consistent screening increased with older age but was less common among racial/ethnic minorities and patients with more comorbidities. CONCLUSIONS Adherence with annual FOBT screening is highly variable across healthcare delivery systems. Settings with more organized screening programs performed better than those with opportunistic screening, but evidence-based interventions are needed to improve CRC screening adherence in all settings.
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Affiliation(s)
- Amit G. Singal
- University of Texas Southwestern Medical Center, Dallas TX
| | | | | | | | - Yingye Zheng
- Fred Hutchinson Cancer Research Center, Seattle WA
| | | | | | | | | | - Jasmin Tiro
- University of Texas Southwestern Medical Center, Dallas TX
| | | | | | | | | | - Ethan A. Halm
- University of Texas Southwestern Medical Center, Dallas TX
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Arnold CL, Rademaker A, Wolf MS, Liu D, Lucas G, Hancock J, Davis TC. Final Results of a 3-Year Literacy-Informed Intervention to Promote Annual Fecal Occult Blood Test Screening. J Community Health 2018; 41:724-31. [PMID: 26769026 DOI: 10.1007/s10900-015-0146-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This three arm study was designed to make CRC screening with FOBTs more accessible, understandable and actionable for patients cared for in predominantly rural Federally Qualified Health Centers. Patients in an enhanced version of usual care received an annual CRC recommendation and FOBT kit; those in the education arm additionally received brief literacy and culturally appropriate education and those in the nurse arm received the education by a nurse manager who followed up by telephone. Baseline FOBT rates in this population were 3 %. We evaluated if FOBT rates could be sustained over 3 years. A three-arm, quasi-experimental evaluation was conducted among eight clinics in Louisiana. Screening efforts included: (1) enhanced usual care, (2) literacy-informed education of patients, and (3) education plus nurse support. Overall, 961 average-risk patients, ages 50-85, eligible for routine CRC screenings were recruited. The primary outcome was completing three annual FOBT tests. Of 961 patients enrolled, 381 (39.6 %) participants did not complete a single FOBT, 60.4 % completed at least one FOBT of which 318 (33.1 %) completed only one, 162 (16.9 %) completed two and 100 (10.4 %) completed three FOBTs over the 3-year period (the primary study outcome). The primary outcome, return of three FOBT kits over the 3-year period, was achieved by 4.7 % in enhanced care, 11.4 % in education and 13.6 % in the nurse arm (p = 0.005). Overall 3-year FOBT screening rates were not sustained with any of the three interventions, despite reports of promising interim results at years 1 and 2. New strategies for sustaining FOBT screening over several years must be developed.
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Affiliation(s)
- Connie L Arnold
- Department of Medicine, Louisiana State University Health Sciences Center - Shreveport, 1501 Kings Highway, P.O. Box 33932, Shreveport, LA, 71130-3932, USA.
| | - Alfred Rademaker
- Department of Preventive Medicine, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
| | - Michael S Wolf
- Division of General Internal Medicine and Geriatrics, Northwestern University, Chicago, IL, USA
| | - Dachao Liu
- Department of Preventive Medicine, The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
| | - Geoffrey Lucas
- Department of Medicine, Louisiana State University Health Sciences Center - Shreveport, 1501 Kings Highway, P.O. Box 33932, Shreveport, LA, 71130-3932, USA
| | - Jill Hancock
- Department of Medicine, Louisiana State University Health Sciences Center - Shreveport, 1501 Kings Highway, P.O. Box 33932, Shreveport, LA, 71130-3932, USA
| | - Terry C Davis
- Department of Medicine, Louisiana State University Health Sciences Center - Shreveport, 1501 Kings Highway, P.O. Box 33932, Shreveport, LA, 71130-3932, USA
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Abstract
PURPOSE OF REVIEW The goal of this review is to summarize stool-based testing for colorectal cancer (CRC). The key questions answered in this review were the advantages and limitations of each available stool-based test for CRC and to examine their comparative efficacy. RECENT FINDINGS Guaiac-based fecal occult blood testing (gFOBT) is no longer a relevant test for CRC screening. fecal immunochemical testing (FIT) tests, especially quantitative assays, are clearly a reliable stool-based test. Multitarget DNA (mtsDNA) stool testing may represent a viable option as well, although cost and test characteristics are yet fully defined. FIT and mtsDNA represent the options for stool-based CRC screening. In larger screening centers, quantitative FIT assays represent an attractive option for stool-based testing. Qualitative FIT has applicability in smaller centers. Although a large validation trial showed promising results for mtsDNA, further head-to-head trials with FIT will help define the ultimate role of mtsDNA. Ultimately, however, the best test for CRC screening is the one performed stool-based CRC screening as an initial or alternative option can increase participation in CRC screening.
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Singal AG, Gupta S, Skinner CS, Ahn C, Santini NO, Agrawal D, Mayorga CA, Murphy C, Tiro JA, McCallister K, Sanders JM, Bishop WP, Loewen AC, Halm EA. Effect of Colonoscopy Outreach vs Fecal Immunochemical Test Outreach on Colorectal Cancer Screening Completion: A Randomized Clinical Trial. JAMA 2017; 318:806-815. [PMID: 28873161 PMCID: PMC5648645 DOI: 10.1001/jama.2017.11389] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
IMPORTANCE Mailed fecal immunochemical test (FIT) outreach is more effective than colonoscopy outreach for increasing 1-time colorectal cancer (CRC) screening, but long-term effectiveness may need repeat testing and timely follow-up for abnormal results. OBJECTIVE Compare the effectiveness of FIT outreach and colonoscopy outreach to increase completion of the CRC screening process (screening initiation and follow-up) within 3 years. DESIGN, SETTING, AND PARTICIPANTS Pragmatic randomized clinical trial from March 2013 to July 2016 among 5999 participants aged 50 to 64 years who were receiving primary care in Parkland Health and Hospital System and were not up to date with CRC screenings. INTERVENTIONS Random assignment to mailed FIT outreach (n = 2400), mailed colonoscopy outreach (n = 2400), or usual care with clinic-based screening (n = 1199). Outreach included processes to promote repeat annual testing for individuals in the FIT outreach group with normal results and completion of diagnostic and screening colonoscopy for those with an abnormal FIT result or assigned to colonoscopy outreach. MAIN OUTCOMES AND MEASURES Primary outcome was screening process completion, defined as adherence to colonoscopy completion, annual testing for a normal FIT result, diagnostic colonoscopy for an abnormal FIT result, or treatment evaluation if CRC was detected. Secondary outcomes included detection of any adenoma or advanced neoplasia (including CRC) and screening-related harms (including bleeding or perforation). RESULTS All 5999 participants (median age, 56 years; women, 61.9%) were included in the intention-to-screen analyses. Screening process completion was 38.4% in the colonoscopy outreach group, 28.0% in the FIT outreach group, and 10.7% in the usual care group. Compared with the usual care group, between-group differences for completion were higher for both outreach groups (27.7% [95% CI, 25.1% to 30.4%] for the colonoscopy outreach group; 17.3% [95% CI, 14.8% to 19.8%] for FIT outreach group), and highest in the colonoscopy outreach group (10.4% [95% CI, 7.8% to 13.1%] for the colonoscopy outreach group vs FIT outreach group; P < .001 for all comparisons). Compared with usual care, the between-group differences in adenoma and advanced neoplasia detection rates were higher for both outreach groups (colonoscopy outreach group: 10.3% [95% CI, 9.5% to 12.1%] for adenoma and 3.1% [95% CI, 2.0% to 4.1%] for advanced neoplasia, P < .001 for both comparisons; FIT outreach group: 1.3% [95% CI, -0.1% to 2.8%] for adenoma and 0.7% [95% CI, -0.2% to 1.6%] for advanced neoplasia, P < .08 and P < .13, respectively), and highest in the colonoscopy outreach group (colonoscopy outreach group vs FIT outreach group: 9.0% [95% CI, 7.3% to 10.7%] for adenoma and 2.4% [95% CI, 1.3% to 3.3%] for advanced neoplasia, P < .001 for both comparisons). There were no screening-related harms in any groups. CONCLUSIONS AND RELEVANCE Among persons aged 50 to 64 years receiving primary care at a safety-net institution, mailed outreach invitations offering FIT or colonoscopy compared with usual care increased the proportion completing CRC screening process within 3 years. The rate of screening process completion was higher with colonoscopy than FIT outreach. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT01710215.
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Affiliation(s)
- Amit G Singal
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
- Parkland Health and Hospital System, Dallas, Texas
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
| | - Samir Gupta
- Division of Gastroenterology, Veterans Affairs San Diego Health Care System, San Diego, California
- Department of Internal Medicine, Moores Cancer Center, University of California, San Diego, La Jolla
| | - Celette Sugg Skinner
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
| | - Chul Ahn
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
| | | | - Deepak Agrawal
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
| | - Christian A Mayorga
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
| | - Caitlin Murphy
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
| | - Jasmin A Tiro
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
| | - Katharine McCallister
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
| | - Joanne M Sanders
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
| | - Wendy Pechero Bishop
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
| | - Adam C Loewen
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
| | - Ethan A Halm
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
- Parkland Health and Hospital System, Dallas, Texas
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas
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Nguyen E, Mehta S, Yates SW, Schrader MK, Martin MC. Colon Cancer Screening in Concierge Practice. South Med J 2017; 110:408-411. [PMID: 28575898 DOI: 10.14423/smj.0000000000000661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVES This study evaluated the effectiveness of the Center for Executive Medicine (CEM) concierge primary care practice on preventive colorectal cancer (CRC) screening rates relative to local and national comparator data. METHODS We performed an electronic medical record search encompassing our entire patient population who are between the ages of 50 and 75 years to determine the rate of CRC screening. We compared this rate with the average rate of Medicare Advantage plans reported by our Independent Physician Association (IPA) in 2015 and national health plans reported by the National Committee for Quality Assurance in 2014. RESULTS The CEM had a CRC screening rate of 90.2%, which was significantly higher than local IPA Medicare Advantage plans (63.3%) and National Committee for Quality Assurance national plans (57.7%-66.5%). CEM members were significantly more likely than were IPA members to undergo screening (odds ratio 1.425, 95% confidence interval 1.348-1.507, P < 0.0001). CONCLUSIONS These results suggest that the CEM practice strategy and processes increase CRC screening rates.
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Affiliation(s)
- Elizabeth Nguyen
- From the Texas College of Osteopathic Medicine, Fort Worth, and the Center for Executive Medicine, Plano, Texas
| | - Shivani Mehta
- From the Texas College of Osteopathic Medicine, Fort Worth, and the Center for Executive Medicine, Plano, Texas
| | - Scott W Yates
- From the Texas College of Osteopathic Medicine, Fort Worth, and the Center for Executive Medicine, Plano, Texas
| | - M Keith Schrader
- From the Texas College of Osteopathic Medicine, Fort Worth, and the Center for Executive Medicine, Plano, Texas
| | - Michael C Martin
- From the Texas College of Osteopathic Medicine, Fort Worth, and the Center for Executive Medicine, Plano, Texas
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Decrease in Incidence of Colorectal Cancer Among Individuals 50 Years or Older After Recommendations for Population-based Screening. Clin Gastroenterol Hepatol 2017; 15:903-909.e6. [PMID: 27609707 PMCID: PMC5337450 DOI: 10.1016/j.cgh.2016.08.037] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 08/24/2016] [Accepted: 08/24/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The incidence of colorectal cancer (CRC) in the United States is increasing among adults younger than 50 years, but incidence has decreased among older populations after population-based screening was recommended in the late 1980s. Blacks have higher incidence than whites. These patterns have prompted suggestions to lower the screening age for average-risk populations or in blacks. At the same time, there has been controversy over whether reductions in CRC incidence can be attributed to screening. We examined age-related and race-related differences in CRC incidence during a 40-year time period. METHODS We determined the age-standardized incidence of CRC from 1975 through 2013 by using the population-based Surveillance, Epidemiology, and End Results (SEER) program of cancer registries. We calculated incidence for 5-year age categories (20-24 years through 80-84 years and 85 years or older) for different time periods (1975-1979, 1980-1984, 1985-1989, 1990-1994, 1995-1999, 2000-2004, 2005-2009, and 2010-2013), tumor subsite (proximal colon, descending colon, and rectum), and stages at diagnosis (localized, regional, and distant). Analyses were stratified by race (white vs black). RESULTS There were 450,682 incident cases of CRC reported to the SEER registries during the entire period (1975-2013). Overall incidence was 75.5/100,000 white persons and 83.6/100,000 black persons. CRC incidence peaked during 1980 through 1989 and began to decrease in 1990. In whites and blacks, the decreases in incidence between the time periods of 1980-1984 and 2010-2013 were limited to the screening-age population (ages 50 years or older). Between these time periods, there was 40% decrease in incidence among whites compared with 26% decrease in incidence among blacks. Decreases in incidence were greater for cancers of the distal colon and rectum, and reductions in these cancers were greater among whites than blacks. CRC incidence among persons younger than 50 years decreased slightly between 1975-1979 and 1990. However, among persons 20-49 years old, CRC incidence increased from 8.3/100,000 persons in 1990-1994 to 11.4/100,000 persons in 2010-2013; incidence rates in younger adults were similar for whites and blacks. CONCLUSIONS On the basis of an analysis of the SEER cancer registries from 1975 through 2013, CRC incidence decreased only among individuals 50 years or older between the time periods of 1980-1984 and 2010-2013. Incidence increased modestly among individuals 20-49 years old between the time periods of 1990-1994 and 2010-2013. The decision of whether to recommend screening for younger populations requires a formal analysis of risks and benefits. Our observed trends provide compelling evidence that screening has had an important role in reducing CRC incidence.
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30
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Arnold CL, Rademaker A, Liu D, Davis TC. Changes in Colorectal Cancer Screening Knowledge, Behavior, Beliefs, Self-Efficacy, and Barriers among Community Health Clinic Patients after a Health Literacy Intervention. JOURNAL OF COMMUNITY MEDICINE & HEALTH EDUCATION 2017; 7:497. [PMID: 28344855 PMCID: PMC5362257 DOI: 10.4172/2161-0711.1000497] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVE The objective in this pre- and post-survey assessment was to compare the effectiveness of a health literacy-directed intervention designed to increase knowledge, beliefs, barriers, self-efficacy and behavior associated with CRC screening with FOBT among patients cared for in predominantly rural community clinics and the change in these characteristics over the first 15 months after enrolling in a study designed to assess screening strategies. METHODS Between 2008 and 2011, a quasi-experimental intervention was conducted in 8 predominantly rural Federally Qualified Health Centers. Patients were orally administered a 15-minute survey at enrollment by a clinic research assistant (RA) and at 15 months by phone by a central RA. Participants included 428 community clinic patients aged 50-85 (mean 58.5); the majority (79%) were female, 69% were African American, and 54% had limited health literacy. RESULTS There was significant improvement across all groups with the number of patients reporting they had been given information /education on CRC testing (p<.0001), been given an FOBT kit (p<.0001), and completed an FOBT (p<.0001) with significant improvement in having a doctor recommendation in all groups except usual care. Confidence in an FOBT's potential to decrease chances of dying from CRC improved across all groups as well (p<0.002). In addition, patients 'belief that they would get CRC in their lifetime' decreased across all groups post-intervention (p<0.03) as did their worry that they may find out they have CRC (p<0.04). CONCLUSION Overall these low income FQHC patients who were not up-to-date with screening had heard of CRC screening, had positive attitudes toward screening and wanted to know if they had cancer. Results demonstrate the value of giving patients a recommendation and a kit; patients in all groups reported significant increases at 15 months in completing CRC screening (>83%) as confirmed by study records.
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Affiliation(s)
- Connie L. Arnold
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Alfred Rademaker
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL
| | - Dachao Liu
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL
| | - Terry C. Davis
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
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31
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Shahidi N, Cheung WY. Colorectal cancer screening: Opportunities to improve uptake, outcomes, and disparities. World J Gastrointest Endosc 2016; 8:733-740. [PMID: 28042387 PMCID: PMC5159671 DOI: 10.4253/wjge.v8.i20.733] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 09/05/2016] [Accepted: 09/18/2016] [Indexed: 02/05/2023] Open
Abstract
Colorectal cancer screening has become a standard of care in industrialized nations for those 50 to 75 years of age, along with selected high-risk populations. While colorectal cancer screening has been shown to reduce both the incidence and mortality of colorectal cancer, it is a complex multi-disciplinary process with a number of important steps that require optimization before tangible improvements in outcomes are possible. For both opportunistic and programmatic colorectal cancer screening, poor participant uptake remains an ongoing concern. Furthermore, current screening modalities (such as the guaiac based fecal occult blood test, fecal immunochemical test and colonoscopy) may be used or performed suboptimally, which can lead to missed neoplastic lesions and unnecessary endoscopic evaluations. The latter poses the risk of adverse events, such as perforation and post-polypectomy bleeding, as well as financial impacts to the healthcare system. Moreover, ongoing disparities in colorectal cancer screening persist among marginalized populations, including specific ethnic minorities (African Americans, Hispanics, Asians, Indigenous groups), immigrants, and those who are economically disenfranchised. Given this context, we aimed to review the current literature on these important areas pertaining to colorectal cancer screening, particularly focusing on the guaiac based fecal occult blood test, the fecal immunochemical test and colonoscopy.
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32
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Davis SN, Christy SM, Chavarria EA, Abdulla R, Sutton SK, Schmidt AR, Vadaparampil ST, Quinn GP, Simmons VN, Ufondu CB, Ravindra C, Schultz I, Roetzheim RG, Shibata D, Meade CD, Gwede CK. A randomized controlled trial of a multicomponent, targeted, low-literacy educational intervention compared with a nontargeted intervention to boost colorectal cancer screening with fecal immunochemical testing in community clinics. Cancer 2016; 123:1390-1400. [PMID: 27906448 DOI: 10.1002/cncr.30481] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 11/03/2016] [Accepted: 11/08/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND The objective of the current study was to improve colorectal cancer (CRC) screening uptake with the fecal immunochemical test (FIT). The current study investigated the differential impact of a multicomponent, targeted, low-literacy educational intervention compared with a standard, nontargeted educational intervention. METHODS Patients aged 50 to 75 years who were of average CRC risk and not up-to-date with CRC screening were recruited from either a federally qualified health center or a primary care community health clinic. Patients were randomized to the intervention condition (targeted photonovella booklet/DVD plus FIT kit) or comparison condition (standard Centers for Disease Control and Prevention brochure plus FIT kit). The main outcome was screening with FIT within 180 days of delivery of the intervention. RESULTS Of the 416 participants, 54% were female; the participants were racially and ethnically diverse (66% white, 10% Hispanic, and 28% African American), predominantly of low income, and insured (the majority had county health insurance). Overall, the FIT completion rate was 81%, with 78.1% of participants in the intervention versus 83.5% of those in the comparison condition completing FIT (P = .17). In multivariate analysis, having health insurance was found to be the primary factor predicting a lack of FIT screening (adjusted odds ratio, 2.10; 95% confidence interval, 1.04-4.26 [P = .04]). CONCLUSIONS The multicomponent, targeted, low-literacy materials were not found to be significantly different or more effective in increasing FIT uptake compared with the nontargeted materials. Provision of a FIT test plus education may provide a key impetus to improve the completion of CRC screening. The type of educational material (targeted vs nontargeted) may matter less. The findings of the current study provide a unique opportunity for clinics to adopt FIT and to choose the type of patient education materials based on clinic, provider, and patient preferences. Cancer 2017;123:1390-1400. © 2016 American Cancer Society.
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Affiliation(s)
- Stacy N Davis
- Health Education and Behavioral Science, Rutgers School of Public Health, Piscataway, New Jersey.,Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Shannon M Christy
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Enmanuel A Chavarria
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Rania Abdulla
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Steven K Sutton
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Alyssa R Schmidt
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Susan T Vadaparampil
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Gwendolyn P Quinn
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Vani N Simmons
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | | | | | - Ida Schultz
- Premier Community HealthCare Group Inc, Dade City, Florida
| | - Richard G Roetzheim
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - David Shibata
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida.,Department of Surgery, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Cathy D Meade
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Clement K Gwede
- Division of Population Science, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida
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33
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Arnold CL, Rademaker A, Wolf MS, Liu D, Hancock J, Davis TC. Third Annual Fecal Occult Blood Testing in Community Health Clinics. Am J Health Behav 2016; 40:302-9. [PMID: 27103409 DOI: 10.5993/ajhb.40.3.2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVES Our objective was to determine the effectiveness of 3 approaches to encourage completion of fecal occult blood testing (FOBT) in the third year of the intervention. METHODS Between 2008 and 2011, a quasi-experimental intervention was conducted in 8 predominantly rural Federally Qualified Health Centers. Clinics were randomly assigned to enhanced care (screening recommendation and FOBT kit mailed annually), education (patients additionally received a health literacy appropriate pamphlet and simplified FOBT instructions), or nurse support (same as education but with nurse follow-up). Participants included 206 patients with negative FOBTs in years 1 and 2; ages 50-85, 80% female, 70% African American, and 52% had limited health literacy. The main outcome measure was completion of a third annual FOBT. RESULTS Third-year FOBT rates were 48% overall, 34.2% enhanced care, 59.6% education, and 47.4% nurse support (p = .21), even after adjustment for sex, marital status, and health literacy. CONCLUSION All mailed interventions were similarly effective in sustaining rates of FOBT screening. Post hoc analyses of the results analyzed by health literacy skills found that patients with both limited and adequate health literacy skills were more likely to complete FOBTs when mailed simplified instructions.
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Affiliation(s)
- Connie L Arnold
- Department of Medicine and Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, LA, USA.
| | - Alfred Rademaker
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
| | - Michael S Wolf
- Medicine and Learning Sciences, Associate Chair, Department of Medicine, Associate Division Chief - Research, Department of General Internal Medicine and Geriatrics Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Dachao Liu
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
| | - Jill Hancock
- Department of Medicine and Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Terry C Davis
- Department of Medicine and Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, LA, USA
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El Zoghbi M, Cummings LC. New era of colorectal cancer screening. World J Gastrointest Endosc 2016; 8:252-258. [PMID: 26981176 PMCID: PMC4781905 DOI: 10.4253/wjge.v8.i5.252] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 10/24/2015] [Accepted: 01/04/2016] [Indexed: 02/05/2023] Open
Abstract
Colorectal cancer (CRC) is the 2nd most common cancer in women and 3rd most common cancer in men worldwide. Most CRCs develop from adenomatous polyps arising from glandular epithelium. Tumor growth is initiated by mutation of the tumor suppressor gene APC and involves other genetic mutations in a stepwise process over years. Both hereditary and environmental factors contribute to the development of CRC. Screening has been proven to reduce the incidence of CRC. Screening has also contributed to the decrease in CRC mortality in the United States. However, CRC incidence and/or mortality remain on the rise in some parts of the world (Eastern Europe, Asia, and South America), likely due to factors including westernized diet, lifestyle, and lack of healthcare infrastructure. Multiple screening options are available, ranging from direct radiologic or endoscopic visualization tests that primarily detect premalignant or malignant lesions such as flexible sigmoidoscopy, optical colonoscopy, colon capsule endoscopy, computed tomographic colonography, and double contrast barium enema - to stool based tests which primarily detect cancers, including fecal DNA, fecal immunochemical test, and fecal occult blood test. The availability of some of these tests is limited to areas with high economic resources. This article will discuss CRC epidemiology, pathogenesis, risk factors, and screening modalities with a particular focus on new technologies.
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Liang PS, Wheat CL, Abhat A, Brenner AT, Fagerlin A, Hayward RA, Thomas JP, Vijan S, Inadomi JM. Adherence to Competing Strategies for Colorectal Cancer Screening Over 3 Years. Am J Gastroenterol 2016; 111:105-14. [PMID: 26526080 PMCID: PMC4887132 DOI: 10.1038/ajg.2015.367] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 09/03/2015] [Accepted: 10/01/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVES We have shown that, in a randomized trial comparing adherence to different colorectal cancer (CRC) screening strategies, participants assigned to either fecal occult blood testing (FOBT) or given a choice between FOBT and colonoscopy had significantly higher adherence than those assigned to colonoscopy during the first year. However, how adherence to screening changes over time is unknown. METHODS In this trial, 997 participants were cluster randomized to one of the three screening strategies: (i) FOBT, (ii) colonoscopy, or (iii) a choice between FOBT and colonoscopy. Research assistants helped participants to complete testing only in the first year. Adherence to screening was defined as completion of three FOBT cards in each of 3 years after enrollment or completion of colonoscopy within the first year of enrollment. The primary outcome was adherence to assigned strategy over 3 years. Additional outcomes included identification of sociodemographic factors associated with adherence. RESULTS Participants assigned to annual FOBT completed screening at a significantly lower rate over 3 years (14%) than those assigned to colonoscopy (38%, P<0.001) or choice (42%, P<0.001); however, completion of any screening test fell precipitously, indicating the strong effect of patient navigation. In multivariable logistic regression analysis, being randomized to the choice or colonoscopy group, Chinese language, homosexuality, being married/partnered, and having a non-nurse practitioner primary care provider were independently associated with greater adherence to screening (P<0.01). CONCLUSIONS In a 3-year follow-up of a randomized trial comparing competing CRC screening strategies, participants offered a choice between FOBT and colonoscopy continued to have relatively high adherence, whereas adherence in the FOBT group fell significantly below that of the choice and colonoscopy groups. Patient navigation is crucial to achieving adherence to CRC screening, and FOBT is especially vulnerable because of the need for annual testing.
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Affiliation(s)
- Peter S. Liang
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
| | - Chelle L. Wheat
- Department of Health Services, School of Public Health, University of Washington, Seattle, Washington, USA
| | - Anshu Abhat
- Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Alison T. Brenner
- Cecil Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Angela Fagerlin
- Veteran Affairs Center for Clinical Management Research, Ann Arbor, Michigan, USA
- Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Rodney A. Hayward
- Veteran Affairs Center for Clinical Management Research, Ann Arbor, Michigan, USA
- Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Jennifer P. Thomas
- Department of Medicine, University of California, San Francisco, California, USA
| | - Sandeep Vijan
- Veteran Affairs Center for Clinical Management Research, Ann Arbor, Michigan, USA
- Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - John M. Inadomi
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
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Berger BM, Schroy PC, Dinh TA. Screening for Colorectal Cancer Using a Multitarget Stool DNA Test: Modeling the Effect of the Intertest Interval on Clinical Effectiveness. Clin Colorectal Cancer 2015; 15:e65-74. [PMID: 26792032 DOI: 10.1016/j.clcc.2015.12.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 12/01/2015] [Accepted: 12/09/2015] [Indexed: 02/08/2023]
Abstract
BACKGROUND A multitarget stool DNA (mt-sDNA) test was recently approved for colorectal cancer (CRC) screening for men and women, aged ≥ 50 years, at average risk of CRC. The guidelines currently recommend a 3-year interval for mt-sDNA testing in the absence of empirical data. We used clinical effectiveness modeling to project decreases in CRC incidence and related mortality associated with mt-sDNA screening to help inform interval setting. MATERIALS AND METHODS The Archimedes model (Archimedes Inc., San Francisco, CA) was used to conduct a 5-arm, virtual, clinical screening study of a population of 200,000 virtual individuals to compare the clinical effectiveness of mt-sDNA screening at 1-, 3-, and 5-year intervals compared with colonoscopy at 10-year intervals and no screening for a 30-year period. The study endpoints were the decrease in CRC incidence and related mortality of each strategy versus no screening. Cost-effectiveness ratios (US dollars per quality-adjusted life year [QALY]) of mt-sDNA intervals were calculated versus no screening. RESULTS Compared with 10-year colonoscopy, annual mt-sDNA testing produced similar reductions in CRC incidence (65% vs. 63%) and related mortality (73% vs. 72%). mt-sDNA testing at 3-year intervals reduced the CRC incidence by 57% and CRC mortality by 67%, and mt-sDNA testing at 5-year intervals reduced the CRC incidence by 52% and CRC mortality by 62%. At an average price of $600 per test, the annual, 3-year, and 5-year mt-sDNA screening costs would be $20,178, $11,313, and $7388 per QALY, respectively, compared with no screening. CONCLUSION These data suggest that screening every 3 years using a multitarget mt-sDNA test provides reasonable performance at acceptable cost.
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Affiliation(s)
| | - Paul C Schroy
- Department of Gastroenterology, Boston University School of Medicine, Boston, MA
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Green BB, Anderson ML, Chubak J, Fuller S, Meenan RT, Vernon SW. Impact of continued mailed fecal tests in the patient-centered medical home: Year 3 of the Systems of Support to Increase Colon Cancer Screening and Follow-Up randomized trial. Cancer 2015; 122:312-21. [PMID: 26488332 DOI: 10.1002/cncr.29734] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 08/21/2015] [Accepted: 09/15/2015] [Indexed: 12/31/2022]
Abstract
BACKGROUND The current study was conducted to determine the effect of continuing a centralized fecal occult blood test (FOBT) mailed program on screening adherence. METHODS A patient-level randomized controlled trial was conducted in 21 patient-centered medical home primary care clinics between January 2010 and November 2012. A total of 2208 patients ranging in age from 52 to 75 years in a substudy of the Systems of Support to Increase Colon Cancer Screening and Follow-Up (SOS) trial were randomized at year 3 to continued automated interventions (Continued group), which included mailed information regarding colorectal cancer (CRC) screening choices, and were mailed stool kit tests or to a group in which interventions were stopped (Stopped group). The main outcomes and measures were the completion of CRC screening in year 3 and by subgroup characteristics, respectively. RESULTS Adherence to CRC screening in year 3 was found to be significantly higher in patients in the Continued group compared with those in the Stopped group (53.3% vs 37.3%; adjusted net difference, 15.6% [P<.001]). This difference was entirely due to greater completion of FOBT (adjusted net difference, 18.0% [P<.001]). Year 3 CRC screening rates were highest in patients in the Continued group completing FOBT in both years 1 and 2 (77.2%), followed by patients completing only 1 FOBT in 1 of the 2 years (44.6%), with low rates of CRC testing reported among patients not completing any FOBT within the first 2 years (18.1%). CONCLUSIONS A centralized mailed FOBT CRC screening program continued to be more effective than patient-centered medical home usual-care interventions, but only for those patients who had previously completed FOBT testing. Research is needed regarding how to engage patients not completing CRC testing after being mailed at least 2 rounds of FOBT tests. Cancer 2016;122:312-321. © 2015 American Cancer Society.
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Affiliation(s)
- Beverly B Green
- Group Health Permanente, Seattle, Washington.,Group Health Research Institute, Seattle, Washington.,Department of Family Medicine, University of Washington School of Medicine, Seattle, Washington
| | | | - Jessica Chubak
- Group Health Research Institute, Seattle, Washington.,University of Washington School of Public Health, Seattle, Washington
| | - Sharon Fuller
- Group Health Research Institute, Seattle, Washington
| | - Richard T Meenan
- Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon
| | - Sally W Vernon
- School of Public Health, The University of Texas Health Science Center at Houston, Houston, Texas
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Fedewa SA, Ma J, Sauer AG, Siegel RL, Smith RA, Wender RC, Doroshenk MK, Brawley OW, Ward EM, Jemal A. How many individuals will need to be screened to increase colorectal cancer screening prevalence to 80% by 2018? Cancer 2015; 121:4258-65. [PMID: 26308967 DOI: 10.1002/cncr.29659] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 07/20/2015] [Accepted: 07/21/2015] [Indexed: 11/09/2022]
Abstract
BACKGROUND A recent study estimates that 277,000 colorectal cancer (CRC) cases and 203,000 CRC deaths will be averted between 2013 and 2030 if the National Colorectal Cancer Roundtable goal of increasing CRC screening prevalence to 80% by 2018 is reached. However, the number of individuals who need to be screened (NNS) to achieve this goal is unknown. In this communication, the authors estimate the NNS to achieve 80% by 2018 nationwide and by state. METHODS The authors estimated the NNS by subtracting adults aged 50 to 75 years who would need to be screened to achieve an 80% CRC screening prevalence from the number who are currently guideline-compliant from population estimates for this age group. The 2013 National Health Interview Survey and the 2012 Behavioral Risk Factor Surveillance System were used to estimate CRC screening prevalence and data from the US Census Bureau were used to estimate population projections. The NNS were age-standardized and sex-standardized. RESULTS Nationwide, 24.39 million individuals (95% confidence interval, 24.37-24.41 million) aged 50 to 75 years will need to be screened to achieve 80% by 2018. By state, the NNS ranged from 45,400 in Vermont to 2.72 million in California. The majority of individuals who need to be screened are aged 50 to 64 years and the largest subgroup is privately insured. CONCLUSIONS The authors estimated that at least 24.4 million additional individuals in the United States will need to be screened to achieve the National Colorectal Cancer Roundtable goal of increasing CRC screening prevalence to 80% by 2018. To reach this goal, improving facilitators of CRC screening, including physician recommendation and patient awareness, is needed.
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Affiliation(s)
- Stacey A Fedewa
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia.,Department of Epidemiology, Emory University, Atlanta, Georgia
| | - Jiemin Ma
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia
| | - Ann Goding Sauer
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia
| | - Rebecca L Siegel
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia
| | - Robert A Smith
- Cancer Control Science, American Cancer Society, Atlanta, Georgia
| | - Richard C Wender
- Cancer Control Science, American Cancer Society, Atlanta, Georgia
| | - Mary K Doroshenk
- Cancer Control Science, American Cancer Society, Atlanta, Georgia
| | - Otis W Brawley
- Office of the Chief Medical Officer, American Cancer Society, Atlanta, Georgia
| | - Elizabeth M Ward
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia
| | - Ahmedin Jemal
- Surveillance and Health Services Research, American Cancer Society, Atlanta, Georgia
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Participant uptake of the fecal immunochemical test decreases with the two-sample regimen compared with one-sample FIT. Eur J Cancer Prev 2015; 23:516-23. [PMID: 25203483 PMCID: PMC4186737 DOI: 10.1097/cej.0000000000000084] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Fecal immunochemical tests (FITs) are recommended to screen average-risk adults for colorectal cancer (CRC). Little research has examined whether a two-sample FIT affects participant uptake, compared with a one-sample FIT. Examining participant uptake is important, as evidence suggests that a two-sample FIT may increase the sensitivity to detect CRC. OBJECTIVE This study had two objectives: (i) to evaluate FIT completion in a population that received either a one-sample FIT kit (1-FIT) or a two-sample FIT kit (2-FIT) and (ii) to understand whether uptake varies by age, sex, or receipt of prior CRC screening. METHODS We conducted a randomized controlled trial in which 3081 participants who were aged between 50 and 75 years and were at an average risk for CRC, and who had requested FITs, randomly received 1-FIT (n=1540) or 2-FIT (n=1541) kits. FIT completion was defined as the completion and return of a one-sample test by the patients in the 1-FIT group or of both sample tests by those in the 2-FIT group. Cox proportional hazard regression models were used to determine the independent effect of group type (2-FIT vs. 1-FIT) on the completion of the FIT, adjusting for age, sex, and receipt of prior CRC screening. RESULTS The 2-FIT group had lower test completion rates (hazard ratio=0.87; 95% confidence interval=0.78-0.97; P=0.01) after adjusting for age, sex, and receipt of prior CRC screening. Participant uptake did not vary by age, sex, or receipt of prior CRC screening. CONCLUSION This unique, rigorous randomized controlled trial found that the 2-FIT regimen decreases completion of FIT. Further research is needed to understand whether decreases in participant uptake are offset by increased gains in test sensitivity.
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Pornet C, Denis B, Perrin P, Gendre I, Launoy G. Predictors of adherence to repeat fecal occult blood test in a population-based colorectal cancer screening program. Br J Cancer 2014; 111:2152-5. [PMID: 25314056 PMCID: PMC4260031 DOI: 10.1038/bjc.2014.507] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 08/14/2014] [Accepted: 08/20/2014] [Indexed: 12/27/2022] Open
Abstract
Background: Socio-economic, environmental factors and general practitioner (GP) involvement may influence adherence to repeat faecal occult blood testing (FOBT) of organised colorectal cancer (CRC) screening. The aim of the study was to identify predictors of adherence to repeat testing. Methods: The populationcomprised people eligible for the third round of a CRC screening programme in a French district (n=118 905). Multilevel logistic regression analysis was performed to identify individual and area-level characteristics associated with ‘compliant participants' participating in the all three rounds vs ‘occasional participants' participating in one or two rounds. Results: Compared to ‘occasional participants', ‘compliant participants' were more likely to participate after receiving a FOBT kit from their GP (odds ratio (OR), 10.7; 95% CI, 10.01–11.5) vs FOBT received at home, and were less likely to live in socio-economically deprived areas (OR, 0.75; 0.70–0.80) and urban areas (OR, 0.94; 0.88–1.00). Conclusions: As for a screening round participation, strategies aimed at improving the participation to a screening programme should target GPs and people living in socially deprived areas.
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Affiliation(s)
- C Pornet
- 8216;Cancers & Preventions' INSERM U 1086, University of Caen Basse-Normandie, CHU, Caen France
| | - B Denis
- Association pour le dépistage du cancer colorectal en Alsace, 122 rue Logelbach, Colmar, France
| | - P Perrin
- Association pour le dépistage du cancer colorectal en Alsace, 122 rue Logelbach, Colmar, France
| | - I Gendre
- Association pour le dépistage du cancer colorectal en Alsace, 122 rue Logelbach, Colmar, France
| | - G Launoy
- 8216;Cancers & Preventions' INSERM U 1086, University of Caen Basse-Normandie, CHU, Caen France
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Murphy CC, Vernon SW, Haddock NM, Anderson ML, Chubak J, Green BB. Longitudinal predictors of colorectal cancer screening among participants in a randomized controlled trial. Prev Med 2014; 66:123-30. [PMID: 24937648 PMCID: PMC4209306 DOI: 10.1016/j.ypmed.2014.06.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Revised: 06/02/2014] [Accepted: 06/08/2014] [Indexed: 02/09/2023]
Abstract
OBJECTIVE Few studies use longitudinal data to identify predictors of colorectal cancer screening (CRCS). We examined predictors of (1) initial CRCS during the first year of a randomized trial, and (2) repeat CRCS during the second year of the trial among those that completed FOBT in Year 1. METHODS The sample comprised 1247 participants of the Systems of Support to Increase Colorectal Cancer Screening (SOS) Trial (Group Health Cooperative, August 2008 to November 2011). Potential predictors of CRCS were identified with logistic regression and included sociodemographics, health history, and validated scales of psychosocial constructs. RESULTS Prior CRCS (OR 2.64, 95% CI 1.99-3.52) and intervention group (Automated: OR 2.06 95% CI 1.43-2.95; Assisted: OR 4.03, 95% CI 2.69-6.03; Navigated: OR 5.64, 95% CI 3.74-8.49) were predictors of CRCS completion at Year 1. For repeat CRCS at Year 2, prior CRCS at baseline (OR 1.97, 95% CI 1.25-3.11), intervention group (Automated: OR 9.27, 95% CI 4.56-18.82; Assisted: OR 11.17, 95% CI 5.44-22.94; Navigated: OR 13.10, 95% CI 6.33-27.08), and self-efficacy (OR 1.32, 95% CI 1.00-1.73) were significant predictors. CONCLUSION Self-efficacy and prior CRCS are important predictors of future screening behavior. CRCS completion increased when access barriers were removed through interventions.
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Affiliation(s)
- Caitlin C Murphy
- Center for Health Promotion and Prevention Research, The University of Texas School of Public Health, Houston, TX, USA
| | - Sally W Vernon
- Center for Health Promotion and Prevention Research, The University of Texas School of Public Health, Houston, TX, USA.
| | - Nicole M Haddock
- Center for Health Promotion and Prevention Research, The University of Texas School of Public Health, Houston, TX, USA
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Liss DT, Petit-Homme A, Feinglass J, Buchanan DR, Baker DW. Adherence to repeat fecal occult blood testing in an urban community health center network. J Community Health 2014; 38:829-33. [PMID: 23546555 DOI: 10.1007/s10900-013-9685-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Annual fecal occult blood testing (FOBT) has the potential to reduce colorectal cancer mortality, but in practice it is challenging to complete FOBT every year. Repeat FOBT adherence may be especially low in community health center (CHC) settings, where many patients face barriers to annual FOBT completion. We conducted a retrospective cohort analysis to investigate adherence to annual FOBT in an urban CHC network that serves a predominantly Spanish-speaking, uninsured adult patient population. This study used data from the two-year period between January 2010 and December 2011, and included adults aged 50-74 who completed a screening FOBT with a negative result during the first 6 months of 2010. We examined whether each patient completed a second FOBT between 9 and 18 months after the initial negative FOBT, and tested whether repeat FOBT adherence was associated with patient characteristics or the number of clinic visits after the initial negative FOBT. Only 69 of 281 included patients completed repeat FOBT (24.6 % adherence), and none of 62 patients (0 %) with 0 clinic visits completed repeat FOBT. We detected no significant differences in adherence by age, sex, preferred language, insurance status, or number of chronic conditions. In multivariable regression, the adjusted relative risk of repeat FOBT was 1.66 (95 % CI 1.09-2.54; p = 0.02) among patients with 3 or more clinic visits (referent: patients with 1-2 visits). The observed low rate of adherence greatly diminishes the effectiveness of FOBT in reducing CRC mortality. Findings demonstrate the need for systems-based interventions that increase adherence without requiring face-to-face encounters.
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Affiliation(s)
- David T Liss
- Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, 750 N. Lake Shore Drive, 10th Floor, Chicago, IL 60611, USA.
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Duncan A, Turnbull D, Wilson C, Osborne JM, Cole SR, Flight I, Young GP. Behavioural and demographic predictors of adherence to three consecutive faecal occult blood test screening opportunities: a population study. BMC Public Health 2014; 14:238. [PMID: 24606951 PMCID: PMC4234274 DOI: 10.1186/1471-2458-14-238] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 03/03/2014] [Indexed: 12/12/2022] Open
Abstract
Background Social cognitive variables are often examined for their association with initial participation in colorectal cancer screening. Few studies have examined the association of these variables with adherence to multiple screening offers i.e., rescreening. This study aimed to describe patterns of participatory behaviour after three rounds of screening using faecal immunochemical tests (FIT) and to determine social cognitive, demographic and background variables predictive of variations in adherence. Methods Participants were 1,540 men and women aged 50 to 75 living in South Australia who completed a behavioural survey measuring demographic (for example, age, gender) and social cognitive variables relevant to FIT screening (for example, perceived barriers, benefits, self-efficacy). The survey was followed by three, free FIT screening offers mailed on an annual basis from 2008 to 2010. Patterns of participation after three screening rounds were described as one of five screening behaviours; 1) consistent re-participation (adherent with all screening rounds), 2) consistent refusal (adherent with no screening rounds), 3) drop out (adherent with earlier but not later rounds), 4) intermittent re-participation (adherent with alternate rounds) and 5) delayed entry (adherent with later but not initial round(s)). Univariate (Chi Square and Analysis of Variance) and multivariate (Generalised Estimating Equations) analyses were conducted to determine variables predictive of each category of non-adherence (those that did not participate in every screening offer, groups 2, 3, 4 and 5) relative to consistent re-participation. Results Significant social cognitive predictors of non-adherence were; less self-efficacy (drop out and consistent refusal), greater perceived barriers (drop out) and lower levels of response efficacy (consistent refusal). Demographic predictors of non-adherence included; male gender (delayed entry), younger age (intermittent, delayed and consistent refusal), less frequent GP visits (intermittent re-participation) and 'ancillary only' private health insurance (drop out). Less satisfaction with screening at baseline predicted drop out, consistent refusal and delayed entry. Conclusions Different combinations of demographic and behavioural variables predicted different patterns of rescreening adherence. Rescreening interventions may benefit from a targeted approach that considers the different needs of the population subgroups. Satisfaction with past FOBT screening measured prior to the study screening offers was an important predictor of adherence.
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Affiliation(s)
- Amy Duncan
- School of Psychology, The University of Adelaide, Adelaide 5005, South Australia, Australia.
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Lee JK, Liles EG, Bent S, Levin TR, Corley DA. Accuracy of fecal immunochemical tests for colorectal cancer: systematic review and meta-analysis. Ann Intern Med 2014; 160:171. [PMID: 24658694 PMCID: PMC4189821 DOI: 10.7326/m13-1484] [Citation(s) in RCA: 442] [Impact Index Per Article: 44.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Performance characteristics of fecal immunochemical tests (FITs) to screen for colorectal cancer (CRC) have been inconsistent. PURPOSE To synthesize data about the diagnostic accuracy of FITs for CRC and identify factors affecting its performance characteristics. DATA SOURCES Online databases, including MEDLINE and EMBASE, and bibliographies of included studies from 1996 to 2013. STUDY SELECTION All studies evaluating the diagnostic accuracy of FITs for CRC in asymptomatic, average-risk adults. DATA EXTRACTION Two reviewers independently extracted data and critiqued study quality. DATA SYNTHESIS Nineteen eligible studies were included and meta-analyzed. The pooled sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio of FITs for CRC were 0.79 (95% CI, 0.69 to 0.86), 0.94 (CI, 0.92 to 0.95), 13.10 (CI, 10.49 to 16.35), 0.23 (CI, 0.15 to 0.33), respectively, with an overall diagnostic accuracy of 95% (CI, 93% to 97%). There was substantial heterogeneity between studies in both the pooled sensitivity and specificity estimates. Stratifying by cutoff value for a positive test result or removal of discontinued FIT brands resulted in homogeneous sensitivity estimates. Sensitivity for CRC improved with lower assay cutoff values for a positive test result (for example, 0.89 [CI, 0.80 to 0.95] at a cutoff value less than 20 µg/g vs. 0.70 [CI, 0.55 to 0.81] at cutoff values of 20 to 50 µg/g) but with a corresponding decrease in specificity. A single-sample FIT had similar sensitivity and specificity as several samples, independent of FIT brand. LIMITATIONS Only English-language articles were included. Lack of data prevented complete subgroup analyses by FIT brand. CONCLUSION Fecal immunochemical tests are moderately sensitive, are highly specific, and have high overall diagnostic accuracy for detecting CRC. Diagnostic performance of FITs depends on the cutoff value for a positive test result. PRIMARY FUNDING SOURCE National Institute of Diabetes and Digestive and Kidney Diseases and National Cancer Institute.
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Davis TC, Arnold CL, Bennett CL, Wolf MS, Reynolds C, Liu D, Rademaker A. Strategies to improve repeat fecal occult blood testing cancer screening. Cancer Epidemiol Biomarkers Prev 2014; 23:134-43. [PMID: 24192009 PMCID: PMC3894742 DOI: 10.1158/1055-9965.epi-13-0795] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND A comparative effectiveness intervention by this team improved initial fecal occult blood testing (FOBT) rates from 3% to 53% among community clinic patients. The purpose of this study was to evaluate the effectiveness and costs associated with a literacy-informed intervention on repeat FOBT testing. METHODS Between 2008 and 2011, a three-arm quasi-experiential comparative effectiveness evaluation was conducted in eight community clinics in Louisiana. Clinics were randomly assigned to receive: enhanced care, a screening recommendation, and FOBT kit annually; a brief educational intervention where patients additionally received a literacy appropriate pamphlet and simplified FOBT instructions; or nurse support where a nurse manager provided the education and followed up with phone support. In year 2, all materials were mailed. The study consisted of 461 patients, ages 50 to 85 years, with a negative initial FOBT. RESULTS Repeat FOBT rates were 38% enhanced care, 33% education, and 59% with nurse support (P = 0.017). After adjusting for age, race, gender, and literacy, patients receiving nurse support were 1.46 times more likely to complete repeat FOBT screening than those receiving education [95% confidence interval (CI), 1.14-1.06; P = 0.002] and 1.45 times more likely than those in enhanced care but this was not significant (95% CI, 0.93-2.26; P = 0.10). The incremental cost per additional person screened was $2,450 for nurse over enhanced care. CONCLUSION A mailed pamphlet and FOBT with simplified instructions did not improve annual screening. IMPACT Telephone outreach by a nurse manager was effective in improving rates of repeat FOBT, yet this may be too costly for community clinics.
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Affiliation(s)
- Terry C. Davis
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Connie L. Arnold
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Charles L. Bennett
- South Carolina College of Pharmacy, the Hollings Cancer Center of the Medical University of South Carolina, the Arnold School of Public Health, and the William Jennings Bryan Veterans Administration Medical Center, Charleston and Columbia, South Carolina
| | - Michael S. Wolf
- Division of General Internal Medicine & Geriatrics, Northwestern University, Chicago, IL
| | - Cristalyn Reynolds
- Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Dachao Liu
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL
| | - Alfred Rademaker
- Department of Preventive Medicine and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL
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Bulliard JL, Garcia M, Blom J, Senore C, Mai V, Klabunde C. Sorting out measures and definitions of screening participation to improve comparability: The example of colorectal cancer. Eur J Cancer 2014; 50:434-46. [DOI: 10.1016/j.ejca.2013.09.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 09/25/2013] [Accepted: 09/26/2013] [Indexed: 12/20/2022]
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Bae N, Park S, Lim S. Factors associated with adherence to fecal occult blood testing for colorectal cancer screening among adults in the Republic of Korea. Eur J Oncol Nurs 2013; 18:72-7. [PMID: 24183583 DOI: 10.1016/j.ejon.2013.09.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Revised: 08/23/2013] [Accepted: 09/03/2013] [Indexed: 12/24/2022]
Abstract
PURPOSE Repeated participation in fecal occult blood testing (FOBT) is one of the major factors affecting the long-term success of population-based colorectal cancer screening programs. The aim of this study is to explore strong factors linked to repeated participation in FOBT in the prior decade (2002-2011) among adults using the Health Belief Model (HBM) after controlling for other covariates. METHODS Data were obtained from South Korean adults, aged 50 years and over, who visited a national health screening center within a magnet hospital (N = 237). A pilot test was conducted to investigate the internal consistency of the HBM instruments and the clarity of survey questions. Sample characteristics and rates of adherence to FOBT screening were examined using means and frequencies. Important factors associated with adherence to FOBT were examined using multivariate logistic regression analysis. RESULTS About 44% of the respondents were adherent to FOBT screening over the prior decade. Four out of the six HBM-driven factors (perceived susceptibility, severity, and barriers, and health motivation) were statistically significant. Those with greater levels of susceptibility and health motivation and lower levels of severity and barriers were more likely to adhere to FOBT. CONCLUSIONS Health professionals should focus more on the four modifiable HBM-related factors to encourage adults to adhere to FOBT. Intervention programs, which lower perceived severity and barriers and increase susceptibility and health motivation, should be developed and implemented.
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Affiliation(s)
- Nayoung Bae
- Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea.
| | - Sunhee Park
- College of Nursing Science, East-West Nursing Research Institute, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul 130-071, Republic of Korea.
| | - Sungwon Lim
- National Evidence-based Health Care Collaborating Agency, Seoul, Republic of Korea.
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Hubbard RA, Johnson E, Hsia R, Rutter CM. The cumulative risk of false-positive fecal occult blood test after 10 years of colorectal cancer screening. Cancer Epidemiol Biomarkers Prev 2013; 22:1612-9. [PMID: 23868091 DOI: 10.1158/1055-9965.epi-13-0254] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Annual colorectal cancer screening with fecal occult blood test (FOBT) is a noninvasive alternative to screening colonoscopy once every 10 years. If false-positive FOBT results are common, then many patients selecting an FOBT regimen will be exposed to the same invasive testing as those selecting a colonoscopy regimen. The objective of this study was to estimate the probability of experiencing a false-positive after receiving annual FOBT screening for 10 years. METHODS Medical records for patients aged 50 to 79 years receiving FOBT screening with Hemoccult Sensa between 1997 and 2009 at Group Health of Washington State captured the date and results of each FOBT, along with subsequent colorectal cancer diagnoses. We used logistic regression to analyze associations between patient characteristics and odds of a positive FOBT with no invasive cancer diagnosis within 1 year (FOBT+, CRC-). We estimated the probability of receiving at least one FOBT+, CRC- result after 10 years of screening. RESULTS We observed 181,950 FOBTs from 94,637 individuals. Older patients, males, and non-White patients were significantly more likely to receive FOBT+, CRC- results (P < 0.001 for all risk factors). After 10 years of annual FOBT, 23.0% [95% confidence interval (CI), 18.2-27.0] will receive at least one FOBT+, CRC- result. CONCLUSIONS Most patients participating in annual FOBT screening for 10 years will not have a positive result, reinforcing the potential value of this regimen as a noninvasive alternative to colonoscopy. IMPACT Annual stool-based screening is a screening alternative resulting in substantially fewer colonoscopies than once per decade colonoscopy.
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Affiliation(s)
- Rebecca A Hubbard
- Group Health Research Institute; Department of Biostatistics, School of Public Health, University of Washington; and Group Health Permanente, Seattle, WA 98101, USA.
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Baker DW, Brown T, Buchanan DR, Weil J, Cameron KA, Ranalli L, Ferreira MR, Stephens Q, Balsley K, Goldman SN, Wolf MS. Design of a randomized controlled trial to assess the comparative effectiveness of a multifaceted intervention to improve adherence to colorectal cancer screening among patients cared for in a community health center. BMC Health Serv Res 2013; 13:153. [PMID: 23627550 PMCID: PMC3656775 DOI: 10.1186/1472-6963-13-153] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Accepted: 04/09/2013] [Indexed: 12/31/2022] Open
Abstract
Background Colorectal cancer (CRC) is common and leads to significant morbidity and mortality. Although screening with fecal occult blood testing (FOBT) or endoscopy has been shown to decrease CRC mortality, screening rates remain suboptimal. Screening rates are particularly low for people with low incomes and members of underrepresented minority groups. FOBT should be done annually to detect CRC early and to reduce CRC mortality, but this often does not occur. This paper describes the design of a multifaceted intervention to increase long-term adherence to FOBT among poor, predominantly Latino patients, and the design of a randomized controlled trial (RCT) to test the efficacy of this intervention compared to usual care. Methods In this RCT, patients who are due for repeat FOBT are identified in the electronic health record (EHR) and randomized to receive either usual care or a multifaceted intervention. The usual care group includes multiple point-of-care interventions (e.g., standing orders, EHR reminders), performance measurement, and financial incentives to improve CRC screening rates. The intervention augments usual care through mailed CRC screening test kits, low literacy patient education materials, automated phone and text message reminders, in-person follow up calls from a CRC Screening Coordinator, and communication of results to patients along with a reminder card highlighting when the patient is next due for screening. The primary outcome is completion of FOBT within 6 months of becoming due. Discussion The main goal of the study is to determine the comparative effectiveness of the intervention compared to usual care. Additionally, we want to assess whether or not it is possible to achieve high rates of adherence to CRC screening with annual FOBT, which is necessary for reducing CRC mortality. The intervention relies on technology that is increasingly widespread and declining in cost, including EHR systems, automated phone and text messaging, and FOBTs for CRC screening. We took this approach to ensure generalizability and allow us to rapidly disseminate the intervention through networks of community health centers (CHCs) if the RCT shows the intervention to be superior to usual care. Trial registration ClinicalTrials.gov NCT01453894
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Cole SR, Gregory T, Whibley A, Ward P, Turnbull D, Wilson C, Flight I, Esterman A, Young GP. Predictors of Re-participation in Faecal Occult Blood Test-Based Screening for Colorectal Cancer. Asian Pac J Cancer Prev 2012; 13:5989-94. [DOI: 10.7314/apjcp.2012.13.12.5989] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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