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Current Status of Biomarker-based Screening for Colorectal Cancer Nozomu Kobayashi 1,2 1Cancer Screening Center, National Cancer Center Hospital 2Division of Screening Assessment and Management, National Cancer Center Institute for Cancer Control Keyword: 大腸がん検診 , バイオマーカー , Cologuard® , 大腸内視鏡検査 , 免疫便潜血検査 pp.526-530
Published Date 2026/4/25
DOI https://doi.org/10.11477/mf.053621800610040526
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 The pursuit of establishing more effective and acceptable colorectal cancer screening is accelerating the development of blood- or stool-based biomarker tests. Although some tests have been approved by the U.S. Food and Drug Administration and integrated into clinical practice, their diagnostic accuracy—particularly for early-stage lesions—remains lower than that of conventional methods [fecal immunochemical test(FIT)and colonoscopy]. Furthermore, while these tests may increase screening rates among populations that decline first-line screening methods, such individuals may not proceed to follow-up examinations, even with positive screening results. Consequently, these tests may not improve screening efficiency. Therefore, enhancing test accuracy and reducing costs remain the primary future challenges.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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