Background: Colorectal cancer (CRC) claims 900,000 lives per year. Colonoscopy offers reliable detection, but with low patient adherence rates. To significantly reduce CRC incidence and mortality, a more convenient screening measure for advanced precancerous lesions (APL) and CRC is urgently needed.
Methods: In this study, the clinical performance of a multitarget stool DNA (mt-sDNA) test combining fecal im-munochemical test (FIT) with the analysis of genetic biomarkers by real-time PCR was evaluated in a cohort of 208 subjects.
Results: The mt-sDNA test showed a sensitivity of 84.2% for CRC (all stages) and 39.6% sensitivity for APL detection with a specificity of 91.5%. Within the APL group, high-grade dysplasia, characterized by the highest risk of further cancer progression, were detected with 75% sensitivity.
Conclusions: The mt-sDNA test represents a significant advancement for non-invasive detection of APL and CRC and bears great potential to enhance CRC prevention, incidence, and mortality.
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http://dx.doi.org/10.7754/Clin.Lab.2024.240620 | DOI Listing |
Background: Colorectal cancer (CRC) claims 900,000 lives per year. Colonoscopy offers reliable detection, but with low patient adherence rates. To significantly reduce CRC incidence and mortality, a more convenient screening measure for advanced precancerous lesions (APL) and CRC is urgently needed.
View Article and Find Full Text PDFAm J Gastroenterol
December 2024
Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA.
Background And Aims: Few studies have evaluated multi-target stool DNA (mt-sDNA) in clinical practice. We analyzed mt-sDNA utilization at the University of Pittsburgh Medical Center (UPMC).
Methods: We assessed mt-sDNA orders between 1/1/2017 to 12/31/2021.
J Prim Care Community Health
December 2024
Exact Sciences Corporation, Madison, WI, USA.
Objectives: To describe member adherence to a mail-based, health insurer-sponsored gap closure program for colorectal cancer (CRC) screening using multi-target stool DNA (mt-sDNA; Cologuard) tests.
Methods: Combined patient data from Exact Sciences Laboratories LLC and data from mass-mailed mt-sDNA orders placed by a large Medicare Advantage Insurance Plan were analyzed (03/01/2023-06/30/2023). Adherence and time to test return were the primary and secondary outcomes, respectively.
J Gen Intern Med
November 2024
Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Background: Multitarget stool DNA (mt-sDNA) is an increasingly utilized noninvasive option for colorectal cancer screening; however, its impact is limited by imperfect test adherence. Tailored patient navigation (TPN) improves adherence for other cancer screening tests, but its role in mt-sDNA is not known.
Aim: Determine whether TPN improves mt-sDNA completion and reduces sample could not be processed (SCNBP) result rates.
J Gastrointest Cancer
October 2024
Digestive Disease Research Center, Medical University of South Carolina, Charleston, SC, USA.
Background: Multitarget stool DNA (MT-sDNA) tests (here, Cologuard®) are currently used in average-risk patients as a primary method of screening for colorectal cancer. However, MT-sDNA testing has also been used in patients who previously underwent colonoscopy who wish to avoid repeat colonoscopy. Here, in a large primary care practice setting, our aim was to evaluate the diagnostic performance of MT-sDNA testing in patients with a previously normal colonoscopy.
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